├── .DS_Store
├── .gitignore
├── Cargo.lock
├── Cargo.toml
├── LICENSE
├── README.md
├── assets
    ├── .DS_Store
    └── images
    │   ├── .DS_Store
    │   └── feedr.png
└── src
    ├── app.rs
    ├── feed.rs
    ├── main.rs
    ├── tui.rs
    └── ui.rs


/.DS_Store:
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https://raw.githubusercontent.com/bahdotsh/feedr/56ab43629e3b14ddda6406e85e983eb07bf979fa/.DS_Store


--------------------------------------------------------------------------------
/.gitignore:
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1 | /target
2 | 


--------------------------------------------------------------------------------
/Cargo.lock:
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--------------------------------------------------------------------------------
/Cargo.toml:
--------------------------------------------------------------------------------
 1 | [package]
 2 | name = "feedr"
 3 | version = "0.1.0"
 4 | edition = "2021"
 5 | description = "Feedr is a feature-rich terminal-based RSS feed reader written in Rust."
 6 | documentation = "https://github.com/bahdotsh/feedr"
 7 | homepage = "https://github.com/bahdotsh/feedr"
 8 | repository = "https://github.com/bahdotsh/feedr"
 9 | keywords = ["rss", "feed-reader", "terminal", "tui", "cli"]
10 | categories = ["command-line-utilities", "text-processing", "web-programming"]
11 | license = "MIT"
12 | 
13 | [dependencies]
14 | anyhow = "1.0"
15 | ratatui = "0.23"
16 | crossterm = "0.27"
17 | serde = { version = "1.0", features = ["derive"] }
18 | serde_json = "1.0"
19 | reqwest = { version = "0.11", features = ["blocking"] }
20 | rss = "2.0"
21 | dirs = "5.0"
22 | html2text = "0.6"
23 | open = "3.2"
24 | chrono = "0.4"
25 | unicode-width = "0.1.11"
26 | uuid = { version = "1.4", features = ["v4", "serde"] }
27 | 
28 | [profile.release]
29 | codegen-units = 1
30 | lto = true
31 | 


--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
 1 | MIT License
 2 | 
 3 | Copyright (c) 2025 Gokul
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 | 


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
  1 | # Feedr - Terminal RSS Feed Reader 📰
  2 | 
  3 | Feedr is a feature-rich terminal-based RSS feed reader written in Rust. It provides a clean, intuitive TUI interface for managing and reading RSS feeds with elegant visuals and smooth keyboard navigation.
  4 | 
  5 | ![Feedr Terminal RSS Reader](assets/images/feedr.png)
  6 | 
  7 | ## ✨ Features
  8 | 
  9 | - **Dashboard View**: See the latest articles across all your feeds
 10 | - **Feed Management**: Subscribe to and organize multiple RSS feeds
 11 | - **Rich Content Display**: Beautiful formatting of articles with HTML-to-text conversion
 12 | - **Smart Search**: Quickly find content across all your feeds
 13 | - **Browser Integration**: Open articles in your default browser
 14 | 
 15 | ## 🚀 Installation
 16 | 
 17 | ### Prerequisites
 18 | 
 19 | - Rust and Cargo (install from [https://rustup.rs/](https://rustup.rs/))
 20 | 
 21 | ### Using Cargo Install (Recommended)
 22 | ```bash
 23 | cargo install feedr
 24 | ```
 25 | 
 26 | ### Build from Source
 27 | ```bash
 28 | git clone https://github.com/bahdotsh/feedr.git
 29 | cd feedr
 30 | cargo build --release
 31 | ```
 32 | 
 33 | The binary will be available at `target/release/feedr`.
 34 | 
 35 | ## 🎮 Usage
 36 | 
 37 | Run the application:
 38 | 
 39 | ```bash
 40 | feedr
 41 | ```
 42 | 
 43 | ### Quick Start
 44 | 1. When you open Feedr for the first time, press `a` to add a feed
 45 | 2. Enter a valid RSS feed URL (e.g., `https://news.ycombinator.com/rss`)
 46 | 3. Use arrow keys to navigate and `Enter` to view items
 47 | 4. Press `o` to open the current article in your browser
 48 | 
 49 | ### Keyboard Controls
 50 | 
 51 | #### General Navigation
 52 | | Key | Action |
 53 | |-----|--------|
 54 | | `Tab` | Cycle between views |
 55 | | `q` | Quit application |
 56 | | `r` | Refresh all feeds |
 57 | | `/` | Search mode |
 58 | 
 59 | #### Dashboard View
 60 | | Key | Action |
 61 | |-----|--------|
 62 | | `f` | Go to feeds list |
 63 | | `a` | Add a new feed |
 64 | | `↑/↓` | Navigate items |
 65 | | `Enter` | View selected item |
 66 | | `o` | Open link in browser |
 67 | 
 68 | #### Feed List View
 69 | | Key | Action |
 70 | |-----|--------|
 71 | | `h` / `Esc` | Go to dashboard |
 72 | | `a` | Add a new feed |
 73 | | `d` | Delete selected feed |
 74 | | `↑/↓` | Navigate feeds |
 75 | | `Enter` | View feed items |
 76 | 
 77 | #### Feed Items View
 78 | | Key | Action |
 79 | |-----|--------|
 80 | | `h` / `Esc` | Back to feeds list |
 81 | | `Home` | Go to dashboard |
 82 | | `↑/↓` | Navigate items |
 83 | | `Enter` | View item details |
 84 | | `o` | Open item in browser |
 85 | 
 86 | #### Item Detail View
 87 | | Key | Action |
 88 | |-----|--------|
 89 | | `h` / `Esc` | Back to feed items |
 90 | | `Home` | Go to dashboard |
 91 | | `o` | Open item in browser |
 92 | 
 93 | ## 🧩 Dependencies
 94 | 
 95 | - **[ratatui](https://github.com/ratatui-org/ratatui)**: Terminal UI framework
 96 | - **[crossterm](https://github.com/crossterm-rs/crossterm)**: Terminal manipulation
 97 | - **[reqwest](https://github.com/seanmonstar/reqwest)**: HTTP client
 98 | - **[rss](https://github.com/rust-syndication/rss)**: RSS parsing
 99 | - **[html2text](https://github.com/servo/html5ever)**: HTML to text conversion
100 | - **[chrono](https://github.com/chronotope/chrono)**: Date and time handling
101 | - **[serde](https://github.com/serde-rs/serde)**: Serialization/deserialization
102 | 
103 | ## 📜 License
104 | 
105 | MIT
106 | 
107 | ## 🤝 Contributing
108 | 
109 | Contributions are welcome! Please feel free to submit a Pull Request.
110 | 
111 | 1. Fork the repository
112 | 2. Create your feature branch (`git checkout -b feature/amazing-feature`)
113 | 3. Commit your changes (`git commit -m 'Add some amazing feature'`)
114 | 4. Push to the branch (`git push origin feature/amazing-feature`)
115 | 5. Open a Pull Request
116 | 


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/assets/.DS_Store:
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https://raw.githubusercontent.com/bahdotsh/feedr/56ab43629e3b14ddda6406e85e983eb07bf979fa/assets/.DS_Store


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/assets/images/.DS_Store:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/bahdotsh/feedr/56ab43629e3b14ddda6406e85e983eb07bf979fa/assets/images/.DS_Store


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/assets/images/feedr.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/bahdotsh/feedr/56ab43629e3b14ddda6406e85e983eb07bf979fa/assets/images/feedr.png


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/src/app.rs:
--------------------------------------------------------------------------------
  1 | use crate::feed::{Feed, FeedCategory, FeedItem};
  2 | use crate::ui::extract_domain;
  3 | use anyhow::Result;
  4 | use chrono::{DateTime, Utc};
  5 | use serde::{Deserialize, Serialize};
  6 | use std::fs;
  7 | use std::path::Path;
  8 | use std::collections::HashMap;
  9 | 
 10 | #[derive(Clone, Debug, Default)]
 11 | pub struct FilterOptions {
 12 |     pub category: Option<String>,  // Filter by feed category
 13 |     pub age: Option<TimeFilter>,   // Filter by content age
 14 |     pub has_author: Option<bool>,  // Filter for items with/without author
 15 |     pub read_status: Option<bool>, // Filter for read/unread items
 16 |     pub min_length: Option<usize>, // Filter by content length
 17 | }
 18 | 
 19 | #[derive(Clone, Debug, PartialEq)]
 20 | pub enum TimeFilter {
 21 |     Today,
 22 |     ThisWeek,
 23 |     ThisMonth,
 24 |     Older,
 25 | }
 26 | 
 27 | impl FilterOptions {
 28 |     pub fn new() -> Self {
 29 |         Self::default()
 30 |     }
 31 | 
 32 |     pub fn is_active(&self) -> bool {
 33 |         self.category.is_some()
 34 |             || self.age.is_some()
 35 |             || self.has_author.is_some()
 36 |             || self.read_status.is_some()
 37 |             || self.min_length.is_some()
 38 |     }
 39 | 
 40 |     pub fn reset(&mut self) {
 41 |         *self = Self::default();
 42 |     }
 43 | }
 44 | 
 45 | #[derive(Clone, Debug, PartialEq)]
 46 | pub enum InputMode {
 47 |     Normal,
 48 |     InsertUrl,
 49 |     SearchMode,
 50 |     FilterMode,
 51 |     CategoryMode,     // For category management
 52 |     CategoryNameInput, // For creating/renaming categories
 53 | }
 54 | 
 55 | #[derive(Clone, Debug, PartialEq)]
 56 | pub enum View {
 57 |     Dashboard,
 58 |     FeedList,
 59 |     FeedItems,
 60 |     FeedItemDetail,
 61 |     CategoryManagement,
 62 | }
 63 | 
 64 | #[derive(Clone, Debug)]
 65 | pub struct App {
 66 |     pub feeds: Vec<Feed>,
 67 |     pub bookmarks: Vec<String>,
 68 |     pub categories: Vec<FeedCategory>,
 69 |     pub selected_category: Option<usize>,
 70 |     pub input: String,
 71 |     pub input_mode: InputMode,
 72 |     pub selected_feed: Option<usize>,
 73 |     pub selected_item: Option<usize>,
 74 |     pub view: View,
 75 |     pub error: Option<String>,
 76 |     pub search_query: String,
 77 |     pub is_searching: bool,
 78 |     pub filtered_items: Vec<(usize, usize)>, // (feed_idx, item_idx) for search results
 79 |     pub dashboard_items: Vec<(usize, usize)>, // (feed_idx, item_idx) for dashboard
 80 |     pub is_loading: bool,                    // Flag to indicate loading/refreshing state
 81 |     pub loading_indicator: usize,            // For animated loading indicator
 82 |     pub filter_options: FilterOptions,
 83 |     pub filter_mode: bool,       // Whether we're in filter selection mode
 84 |     pub read_items: Vec<String>, // Track read item IDs
 85 |     pub filtered_dashboard_items: Vec<(usize, usize)>, // Filtered items for dashboard
 86 |     pub category_action: Option<CategoryAction>, // For category management
 87 | }
 88 | 
 89 | #[derive(Clone, Debug)]
 90 | pub enum CategoryAction {
 91 |     Create,
 92 |     Rename(usize),
 93 |     AddFeedToCategory(String), // Feed URL to add
 94 | }
 95 | 
 96 | #[derive(Serialize, Deserialize)]
 97 | struct SavedData {
 98 |     bookmarks: Vec<String>,
 99 |     categories: Vec<FeedCategory>,
100 |     read_items: Vec<String>,
101 | }
102 | 
103 | impl App {
104 |     pub fn new() -> Self {
105 |         let saved_data = Self::load_saved_data().unwrap_or_else(|_| SavedData {
106 |             bookmarks: vec![],
107 |             categories: vec![],
108 |             read_items: vec![],
109 |         });
110 |         
111 |         let mut app = Self {
112 |             feeds: Vec::new(),
113 |             bookmarks: saved_data.bookmarks,
114 |             categories: saved_data.categories,
115 |             selected_category: None,
116 |             input: String::new(),
117 |             input_mode: InputMode::Normal,
118 |             selected_feed: None,
119 |             selected_item: None,
120 |             view: View::Dashboard,
121 |             error: None,
122 |             search_query: String::new(),
123 |             is_searching: false,
124 |             filtered_items: Vec::new(),
125 |             dashboard_items: Vec::new(),
126 |             is_loading: false,
127 |             loading_indicator: 0,
128 |             filter_options: FilterOptions::new(),
129 |             filter_mode: false,
130 |             read_items: saved_data.read_items,
131 |             filtered_dashboard_items: Vec::new(),
132 |             category_action: None,
133 |         };
134 | 
135 |         // Load bookmarked feeds
136 |         app.load_bookmarked_feeds();
137 |         app.update_dashboard();
138 | 
139 |         app
140 |     }
141 | 
142 |     pub fn load_bookmarked_feeds(&mut self) {
143 |         self.feeds.clear();
144 |         for url in &self.bookmarks {
145 |             match Feed::from_url(url) {
146 |                 Ok(feed) => self.feeds.push(feed),
147 |                 Err(_) => { /* Skip failed feeds */ }
148 |             }
149 |         }
150 |     }
151 | 
152 |     fn load_saved_data() -> Result<SavedData> {
153 |         let path = Self::data_path();
154 |         if !path.exists() {
155 |             return Ok(SavedData {
156 |                 bookmarks: Vec::new(),
157 |                 categories: Vec::new(),
158 |                 read_items: Vec::new(),
159 |             });
160 |         }
161 | 
162 |         let data = fs::read_to_string(path)?;
163 |         let saved_data: SavedData = serde_json::from_str(&data)?;
164 |         Ok(saved_data)
165 |     }
166 | 
167 |     fn save_data(&self) -> Result<()> {
168 |         let path = Self::data_path();
169 |         if let Some(dir) = path.parent() {
170 |             fs::create_dir_all(dir)?;
171 |         }
172 | 
173 |         let saved_data = SavedData {
174 |             bookmarks: self.bookmarks.clone(),
175 |             categories: self.categories.clone(),
176 |             read_items: self.read_items.clone(),
177 |         };
178 | 
179 |         let json = serde_json::to_string(&saved_data)?;
180 |         fs::write(path, json)?;
181 |         Ok(())
182 |     }
183 | 
184 |     fn data_path() -> std::path::PathBuf {
185 |         let mut path = dirs::data_dir().unwrap_or_else(|| Path::new(".").to_path_buf());
186 |         path.push("feedr");
187 |         path.push("feedr_data.json");
188 |         path
189 |     }
190 | 
191 |     pub fn apply_filters(&mut self) {
192 |         // First update the dashboard items normally
193 |         if !self.filter_options.is_active() {
194 |             // No filters active, so filtered items are the same as dashboard items
195 |             self.filtered_dashboard_items = self.dashboard_items.clone();
196 |             return;
197 |         }
198 | 
199 |         self.filtered_dashboard_items = self
200 |             .dashboard_items
201 |             .iter()
202 |             .filter(|&&(feed_idx, item_idx)| self.item_matches_filter(feed_idx, item_idx))
203 |             .cloned()
204 |             .collect();
205 |     }
206 | 
207 |     fn item_matches_filter(&self, feed_idx: usize, item_idx: usize) -> bool {
208 |         let feed = match self.feeds.get(feed_idx) {
209 |             Some(f) => f,
210 |             None => return false,
211 |         };
212 | 
213 |         let item = match feed.items.get(item_idx) {
214 |             Some(i) => i,
215 |             None => return false,
216 |         };
217 | 
218 |         // Check category filter
219 |         if let Some(category) = &self.filter_options.category {
220 |             // Use feed URL to infer category
221 |             let feed_domain = extract_domain(&feed.url);
222 |             if !feed_domain.contains(category) {
223 |                 return false;
224 |             }
225 |         }
226 | 
227 |         // Check age filter
228 |         if let Some(age_filter) = &self.filter_options.age {
229 |             if let Some(date_str) = &item.pub_date {
230 |                 if let Ok(date) = DateTime::parse_from_rfc2822(date_str) {
231 |                     let now = Utc::now();
232 |                     let duration = now.signed_duration_since(date.with_timezone(&Utc));
233 | 
234 |                     match age_filter {
235 |                         TimeFilter::Today => {
236 |                             if duration.num_hours() > 24 {
237 |                                 return false;
238 |                             }
239 |                         }
240 |                         TimeFilter::ThisWeek => {
241 |                             if duration.num_days() > 7 {
242 |                                 return false;
243 |                             }
244 |                         }
245 |                         TimeFilter::ThisMonth => {
246 |                             if duration.num_days() > 30 {
247 |                                 return false;
248 |                             }
249 |                         }
250 |                         TimeFilter::Older => {
251 |                             if duration.num_days() <= 30 {
252 |                                 return false;
253 |                             }
254 |                         }
255 |                     }
256 |                 } else {
257 |                     // Can't parse date, so filter out if age filter is active
258 |                     return false;
259 |                 }
260 |             } else {
261 |                 // No date, so filter out if age filter is active
262 |                 return false;
263 |             }
264 |         }
265 | 
266 |         // Check author filter
267 |         if let Some(has_author) = self.filter_options.has_author {
268 |             let item_has_author =
269 |                 item.author.is_some() && !item.author.as_ref().unwrap().is_empty();
270 |             if has_author != item_has_author {
271 |                 return false;
272 |             }
273 |         }
274 | 
275 |         // Check read status filter
276 |         if let Some(is_read) = self.filter_options.read_status {
277 |             let item_id = self.get_item_id(feed_idx, item_idx);
278 |             let item_is_read = self.read_items.contains(&item_id);
279 |             if is_read != item_is_read {
280 |                 return false;
281 |             }
282 |         }
283 | 
284 |         // Check content length filter
285 |         if let Some(min_length) = self.filter_options.min_length {
286 |             if let Some(desc) = &item.description {
287 |                 let plain_text = html2text::from_read(desc.as_bytes(), 80);
288 |                 if plain_text.len() < min_length {
289 |                     return false;
290 |                 }
291 |             } else {
292 |                 // No description, so it doesn't meet length requirement
293 |                 return false;
294 |             }
295 |         }
296 | 
297 |         true
298 |     }
299 | 
300 |     // Generate a unique ID for an item to track read status
301 |     fn get_item_id(&self, feed_idx: usize, item_idx: usize) -> String {
302 |         if let Some(feed) = self.feeds.get(feed_idx) {
303 |             if let Some(item) = feed.items.get(item_idx) {
304 |                 if let Some(link) = &item.link {
305 |                     return link.clone();
306 |                 }
307 |                 return format!("{}_{}", feed.url, item.title);
308 |             }
309 |         }
310 |         String::new()
311 |     }
312 | 
313 |     // Mark an item as read
314 |     pub fn mark_item_as_read(&mut self, feed_idx: usize, item_idx: usize) -> Result<()> {
315 |         let item_id = self.get_item_id(feed_idx, item_idx);
316 |         if !item_id.is_empty() && !self.read_items.contains(&item_id) {
317 |             self.read_items.push(item_id);
318 |             self.save_data()?;
319 |         }
320 |         Ok(())
321 |     }
322 | 
323 |     // Check if an item is read
324 |     pub fn is_item_read(&self, feed_idx: usize, item_idx: usize) -> bool {
325 |         let item_id = self.get_item_id(feed_idx, item_idx);
326 |         self.read_items.contains(&item_id)
327 |     }
328 | 
329 |     pub fn update_dashboard(&mut self) {
330 |         // Clear existing dashboard items
331 |         self.dashboard_items.clear();
332 |         
333 |         // Get all feeds and sort by most recent first
334 |         let mut all_items = Vec::new();
335 |         
336 |         for (feed_idx, feed) in self.feeds.iter().enumerate() {
337 |             for (item_idx, item) in feed.items.iter().enumerate() {
338 |                 let date = item.pub_date.as_ref().and_then(|date_str| {
339 |                     DateTime::parse_from_rfc2822(date_str).ok()
340 |                 });
341 |                 
342 |                 all_items.push((feed_idx, item_idx, date));
343 |             }
344 |         }
345 |         
346 |         // Sort by date (most recent first)
347 |         all_items.sort_by(|a, b| {
348 |             match (&a.2, &b.2) {
349 |                 (Some(a_date), Some(b_date)) => b_date.cmp(a_date),
350 |                 (Some(_), None) => std::cmp::Ordering::Less,
351 |                 (None, Some(_)) => std::cmp::Ordering::Greater,
352 |                 (None, None) => std::cmp::Ordering::Equal,
353 |             }
354 |         });
355 |         
356 |         // Add items to dashboard (limited to most recent 100 for performance)
357 |         for (feed_idx, item_idx, _) in all_items.into_iter().take(100) {
358 |             self.dashboard_items.push((feed_idx, item_idx));
359 |         }
360 |         
361 |         // Apply any active filters
362 |         self.apply_filters();
363 |     }
364 | 
365 |     pub fn add_feed(&mut self, url: &str) -> Result<()> {
366 |         let feed = Feed::from_url(url)?;
367 |         self.feeds.push(feed);
368 |         if !self.bookmarks.contains(&url.to_string()) {
369 |             self.bookmarks.push(url.to_string());
370 |         }
371 |         self.update_dashboard();
372 |         
373 |         // Save data
374 |         self.save_data()?;
375 |         
376 |         Ok(())
377 |     }
378 | 
379 |     pub fn remove_current_feed(&mut self) -> Result<()> {
380 |         if let Some(idx) = self.selected_feed {
381 |             if idx < self.feeds.len() {
382 |                 let url = self.feeds[idx].url.clone();
383 |                 
384 |                 // Remove from feeds
385 |                 self.feeds.remove(idx);
386 |                 
387 |                 // Remove from bookmarks
388 |                 if let Some(pos) = self.bookmarks.iter().position(|x| x == &url) {
389 |                     self.bookmarks.remove(pos);
390 |                 }
391 |                 
392 |                 // Remove from all categories
393 |                 for category in &mut self.categories {
394 |                     category.remove_feed(&url);
395 |                 }
396 |                 
397 |                 // Update selected feed
398 |                 if !self.feeds.is_empty() {
399 |                     if idx >= self.feeds.len() {
400 |                         self.selected_feed = Some(self.feeds.len() - 1);
401 |                     }
402 |                 } else {
403 |                     self.selected_feed = None;
404 |                     self.view = View::Dashboard;
405 |                 }
406 |                 
407 |                 // Update dashboard
408 |                 self.update_dashboard();
409 |                 
410 |                 // Save changes
411 |                 self.save_data()?;
412 |             }
413 |         }
414 |         
415 |         Ok(())
416 |     }
417 | 
418 |     pub fn current_feed(&self) -> Option<&Feed> {
419 |         self.selected_feed.and_then(|idx| self.feeds.get(idx))
420 |     }
421 | 
422 |     pub fn current_item(&self) -> Option<&FeedItem> {
423 |         self.current_feed()
424 |             .and_then(|feed| self.selected_item.and_then(|idx| feed.items.get(idx)))
425 |     }
426 | 
427 |     pub fn dashboard_item(&self, idx: usize) -> Option<(&Feed, &FeedItem)> {
428 |         if idx < self.dashboard_items.len() {
429 |             let (feed_idx, item_idx) = self.dashboard_items[idx];
430 |             if let Some(feed) = self.feeds.get(feed_idx) {
431 |                 if let Some(item) = feed.items.get(item_idx) {
432 |                     return Some((feed, item));
433 |                 }
434 |             }
435 |         }
436 |         None
437 |     }
438 | 
439 |     pub fn open_current_item_in_browser(&self) -> Result<()> {
440 |         if let Some(item) = self.current_item() {
441 |             if let Some(link) = &item.link {
442 |                 open::that(link)?;
443 |             }
444 |         }
445 |         Ok(())
446 |     }
447 | 
448 |     pub fn search_feeds(&mut self, query: &str) {
449 |         self.search_query = query.to_lowercase();
450 |         self.is_searching = !query.is_empty();
451 | 
452 |         if !self.is_searching {
453 |             return;
454 |         }
455 | 
456 |         self.filtered_items.clear();
457 |         for (feed_idx, feed) in self.feeds.iter().enumerate() {
458 |             if feed.title.to_lowercase().contains(&self.search_query) {
459 |                 // Add all items from matching feed
460 |                 for item_idx in 0..feed.items.len() {
461 |                     self.filtered_items.push((feed_idx, item_idx));
462 |                 }
463 |             } else {
464 |                 // Check individual items
465 |                 for (item_idx, item) in feed.items.iter().enumerate() {
466 |                     if item.title.to_lowercase().contains(&self.search_query)
467 |                         || item
468 |                             .description
469 |                             .as_ref()
470 |                             .map_or(false, |d| d.to_lowercase().contains(&self.search_query))
471 |                     {
472 |                         self.filtered_items.push((feed_idx, item_idx));
473 |                     }
474 |                 }
475 |             }
476 |         }
477 |     }
478 | 
479 |     pub fn search_item(&self, idx: usize) -> Option<(&Feed, &FeedItem)> {
480 |         if idx < self.filtered_items.len() {
481 |             let (feed_idx, item_idx) = self.filtered_items[idx];
482 |             if let Some(feed) = self.feeds.get(feed_idx) {
483 |                 if let Some(item) = feed.items.get(item_idx) {
484 |                     return Some((feed, item));
485 |                 }
486 |             }
487 |         }
488 |         None
489 |     }
490 | 
491 |     pub fn refresh_feeds(&mut self) -> Result<()> {
492 |         self.is_loading = true;
493 | 
494 |         // Instead of threading, we'll do a synchronous refresh
495 |         // but track the loading state to show the animation
496 |         let urls = self.bookmarks.clone();
497 |         self.feeds.clear();
498 | 
499 |         for url in &urls {
500 |             match Feed::from_url(url) {
501 |                 Ok(feed) => self.feeds.push(feed),
502 |                 Err(e) => self.error = Some(format!("Failed to refresh feed {}: {}", url, e)),
503 |             }
504 |         }
505 | 
506 |         self.update_dashboard();
507 |         self.is_loading = false;
508 | 
509 |         Ok(())
510 |     }
511 | 
512 |     pub fn update_loading_indicator(&mut self) {
513 |         self.loading_indicator = (self.loading_indicator + 1) % 10;
514 |     }
515 | 
516 |     pub fn get_available_categories(&self) -> Vec<String> {
517 |         // Extract potential categories from feed domains
518 |         let mut categories = std::collections::HashSet::new();
519 | 
520 |         for feed in &self.feeds {
521 |             let domain = extract_domain(&feed.url);
522 | 
523 |             // Try to extract a category from the domain
524 |             if domain.contains("news") || domain.contains("nytimes") || domain.contains("cnn") {
525 |                 categories.insert("news".to_string());
526 |             } else if domain.contains("tech")
527 |                 || domain.contains("wired")
528 |                 || domain.contains("ycombinator")
529 |             {
530 |                 categories.insert("tech".to_string());
531 |             } else if domain.contains("science")
532 |                 || domain.contains("nature")
533 |                 || domain.contains("scientific")
534 |             {
535 |                 categories.insert("science".to_string());
536 |             } else if domain.contains("finance")
537 |                 || domain.contains("money")
538 |                 || domain.contains("business")
539 |             {
540 |                 categories.insert("finance".to_string());
541 |             } else if domain.contains("sport")
542 |                 || domain.contains("espn")
543 |                 || domain.contains("athletic")
544 |             {
545 |                 categories.insert("sports".to_string());
546 |             } else {
547 |                 // Use the first part of the domain as a fallback category
548 |                 if let Some(first_part) = domain.split('.').next() {
549 |                     categories.insert(first_part.to_string());
550 |                 }
551 |             }
552 |         }
553 | 
554 |         let mut result: Vec<String> = categories.into_iter().collect();
555 |         result.sort();
556 |         result
557 |     }
558 | 
559 |     pub fn get_filter_stats(&self) -> (usize, usize, usize) {
560 |         let active_count = [
561 |             self.filter_options.category.is_some(),
562 |             self.filter_options.age.is_some(),
563 |             self.filter_options.has_author.is_some(),
564 |             self.filter_options.read_status.is_some(),
565 |             self.filter_options.min_length.is_some(),
566 |         ]
567 |         .iter()
568 |         .filter(|&&x| x)
569 |         .count();
570 | 
571 |         let filtered_count = if self.is_searching {
572 |             self.filtered_items.len()
573 |         } else {
574 |             self.filtered_dashboard_items.len()
575 |         };
576 | 
577 |         let total_count = if self.is_searching {
578 |             self.filtered_items.len()
579 |         } else {
580 |             self.dashboard_items.len()
581 |         };
582 | 
583 |         (active_count, filtered_count, total_count)
584 |     }
585 | 
586 |     pub fn get_filter_summary(&self) -> String {
587 |         let mut parts = Vec::new();
588 | 
589 |         if let Some(category) = &self.filter_options.category {
590 |             parts.push(format!("Category: {}", category));
591 |         }
592 | 
593 |         if let Some(age) = &self.filter_options.age {
594 |             let age_str = match age {
595 |                 TimeFilter::Today => "Today",
596 |                 TimeFilter::ThisWeek => "This Week",
597 |                 TimeFilter::ThisMonth => "This Month",
598 |                 TimeFilter::Older => "Older than a month",
599 |             };
600 |             parts.push(format!("Age: {}", age_str));
601 |         }
602 | 
603 |         if let Some(has_author) = self.filter_options.has_author {
604 |             parts.push(format!(
605 |                 "Author: {}",
606 |                 if has_author {
607 |                     "With author"
608 |                 } else {
609 |                     "No author"
610 |                 }
611 |             ));
612 |         }
613 | 
614 |         if let Some(is_read) = self.filter_options.read_status {
615 |             parts.push(format!(
616 |                 "Status: {}",
617 |                 if is_read { "Read" } else { "Unread" }
618 |             ));
619 |         }
620 | 
621 |         if let Some(length) = self.filter_options.min_length {
622 |             let length_str = match length {
623 |                 100 => "Short",
624 |                 500 => "Medium",
625 |                 1000 => "Long",
626 |                 _ => "Custom",
627 |             };
628 |             parts.push(format!("Length: {}", length_str));
629 |         }
630 | 
631 |         if parts.is_empty() {
632 |             "No filters active".to_string()
633 |         } else {
634 |             parts.join(" | ")
635 |         }
636 |     }
637 | 
638 |     // Category management functions
639 |     pub fn create_category(&mut self, name: &str) -> Result<()> {
640 |         // Trim the name and check if it's empty
641 |         let name = name.trim();
642 |         if name.is_empty() {
643 |             return Err(anyhow::anyhow!("Category name cannot be empty"));
644 |         }
645 | 
646 |         // Check if category with same name exists
647 |         if self.categories.iter().any(|c| c.name == name) {
648 |             return Err(anyhow::anyhow!("Category with this name already exists"));
649 |         }
650 | 
651 |         // Create and add the new category
652 |         let category = FeedCategory::new(name);
653 |         self.categories.push(category);
654 |         self.selected_category = Some(self.categories.len() - 1);
655 |         
656 |         // Save categories
657 |         self.save_data()?;
658 |         
659 |         Ok(())
660 |     }
661 | 
662 |     pub fn delete_category(&mut self, idx: usize) -> Result<()> {
663 |         if idx >= self.categories.len() {
664 |             return Err(anyhow::anyhow!("Invalid category index"));
665 |         }
666 | 
667 |         self.categories.remove(idx);
668 |         if !self.categories.is_empty() && self.selected_category.is_some() {
669 |             if self.selected_category.unwrap() >= self.categories.len() {
670 |                 self.selected_category = Some(self.categories.len() - 1);
671 |             }
672 |         } else {
673 |             self.selected_category = None;
674 |         }
675 | 
676 |         // Save categories
677 |         self.save_data()?;
678 |         
679 |         Ok(())
680 |     }
681 | 
682 |     pub fn rename_category(&mut self, idx: usize, new_name: &str) -> Result<()> {
683 |         let new_name = new_name.trim();
684 |         if new_name.is_empty() {
685 |             return Err(anyhow::anyhow!("Category name cannot be empty"));
686 |         }
687 | 
688 |         // Check if another category already has this name
689 |         if self.categories.iter().enumerate().any(|(i, c)| i != idx && c.name == new_name) {
690 |             return Err(anyhow::anyhow!("Category with this name already exists"));
691 |         }
692 | 
693 |         if idx < self.categories.len() {
694 |             self.categories[idx].rename(new_name);
695 |             self.save_data()?;
696 |             Ok(())
697 |         } else {
698 |             Err(anyhow::anyhow!("Invalid category index"))
699 |         }
700 |     }
701 | 
702 |     pub fn assign_feed_to_category(&mut self, feed_url: &str, category_idx: usize) -> Result<()> {
703 |         if category_idx >= self.categories.len() {
704 |             return Err(anyhow::anyhow!("Invalid category index"));
705 |         }
706 | 
707 |         // Add feed to the selected category
708 |         self.categories[category_idx].add_feed(feed_url);
709 |         
710 |         // Save the updated categories
711 |         self.save_data()?;
712 |         
713 |         Ok(())
714 |     }
715 | 
716 |     pub fn remove_feed_from_category(&mut self, feed_url: &str, category_idx: usize) -> Result<()> {
717 |         if category_idx >= self.categories.len() {
718 |             return Err(anyhow::anyhow!("Invalid category index"));
719 |         }
720 | 
721 |         let removed = self.categories[category_idx].remove_feed(feed_url);
722 |         if removed {
723 |             self.save_data()?;
724 |             Ok(())
725 |         } else {
726 |             Err(anyhow::anyhow!("Feed not found in category"))
727 |         }
728 |     }
729 | 
730 |     pub fn toggle_category_expanded(&mut self, idx: usize) -> Result<()> {
731 |         if idx < self.categories.len() {
732 |             self.categories[idx].toggle_expanded();
733 |             Ok(())
734 |         } else {
735 |             Err(anyhow::anyhow!("Invalid category index"))
736 |         }
737 |     }
738 | 
739 |     pub fn get_feeds_by_category(&self) -> HashMap<Option<String>, Vec<(usize, &Feed)>> {
740 |         let mut result = HashMap::new();
741 |         
742 |         // Add 'Uncategorized' group
743 |         result.insert(None, Vec::new());
744 |         
745 |         // Prepare category name lookup by feed URL
746 |         let feed_to_category: HashMap<&str, &str> = self.categories.iter()
747 |             .flat_map(|cat| cat.feeds.iter().map(move |url| (url.as_str(), cat.name.as_str())))
748 |             .collect();
749 |         
750 |         // Group feeds by their category
751 |         for (idx, feed) in self.feeds.iter().enumerate() {
752 |             let category_name = feed_to_category.get(feed.url.as_str()).map(|&name| name.to_string());
753 |             result.entry(category_name).or_insert_with(Vec::new).push((idx, feed));
754 |         }
755 |         
756 |         result
757 |     }
758 | 
759 |     // When managing categories in UI
760 |     pub fn get_category_for_feed(&self, feed_url: &str) -> Option<usize> {
761 |         self.categories.iter().position(|c| c.contains_feed(feed_url))
762 |     }
763 |     
764 |     // Helper to get all feeds in a category
765 |     pub fn get_feeds_in_category(&self, category_idx: usize) -> Vec<(usize, &Feed)> {
766 |         if category_idx >= self.categories.len() {
767 |             return Vec::new();
768 |         }
769 |         
770 |         let category = &self.categories[category_idx];
771 |         self.feeds.iter().enumerate()
772 |             .filter(|(_, feed)| category.contains_feed(&feed.url))
773 |             .collect()
774 |     }
775 |     
776 |     // Get uncategorized feeds
777 |     pub fn get_uncategorized_feeds(&self) -> Vec<(usize, &Feed)> {
778 |         // Create a set of all feeds that are in categories
779 |         let categorized_feeds: std::collections::HashSet<&str> = self.categories.iter()
780 |             .flat_map(|cat| cat.feeds.iter().map(|url| url.as_str()))
781 |             .collect();
782 |         
783 |         // Return feeds that aren't in any category
784 |         self.feeds.iter().enumerate()
785 |             .filter(|(_, feed)| !categorized_feeds.contains(feed.url.as_str()))
786 |             .collect()
787 |     }
788 | }
789 | 


--------------------------------------------------------------------------------
/src/feed.rs:
--------------------------------------------------------------------------------
  1 | use anyhow::{Context, Result};
  2 | use chrono::{DateTime, Utc};
  3 | use rss::{Channel, Item};
  4 | use std::time::Duration;
  5 | use serde::{Deserialize, Serialize};
  6 | use std::collections::HashSet;
  7 | use uuid::Uuid;
  8 | 
  9 | #[derive(Clone, Debug, Serialize, Deserialize)]
 10 | pub struct Feed {
 11 |     pub url: String,
 12 |     pub title: String,
 13 |     pub items: Vec<FeedItem>,
 14 | }
 15 | 
 16 | #[derive(Clone, Debug, Serialize, Deserialize)]
 17 | pub struct FeedItem {
 18 |     pub title: String,
 19 |     pub link: Option<String>,
 20 |     pub description: Option<String>,
 21 |     pub pub_date: Option<String>,
 22 |     pub author: Option<String>,
 23 |     pub formatted_date: Option<String>,
 24 | }
 25 | 
 26 | #[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq)]
 27 | pub struct FeedCategory {
 28 |     pub id: String,
 29 |     pub name: String,
 30 |     pub feeds: HashSet<String>, // URLs of feeds in this category, using HashSet for faster lookup
 31 |     pub expanded: bool,         // UI state: whether the category is expanded in the UI
 32 | }
 33 | 
 34 | impl FeedCategory {
 35 |     pub fn new(name: &str) -> Self {
 36 |         Self {
 37 |             id: Uuid::new_v4().to_string(),
 38 |             name: name.to_string(),
 39 |             feeds: HashSet::new(),
 40 |             expanded: true,
 41 |         }
 42 |     }
 43 | 
 44 |     pub fn add_feed(&mut self, url: &str) {
 45 |         self.feeds.insert(url.to_string());
 46 |     }
 47 | 
 48 |     pub fn remove_feed(&mut self, url: &str) -> bool {
 49 |         self.feeds.remove(url)
 50 |     }
 51 | 
 52 |     pub fn contains_feed(&self, url: &str) -> bool {
 53 |         self.feeds.contains(url)
 54 |     }
 55 | 
 56 |     pub fn is_empty(&self) -> bool {
 57 |         self.feeds.is_empty()
 58 |     }
 59 | 
 60 |     pub fn feed_count(&self) -> usize {
 61 |         self.feeds.len()
 62 |     }
 63 | 
 64 |     pub fn rename(&mut self, new_name: &str) {
 65 |         self.name = new_name.to_string();
 66 |     }
 67 | 
 68 |     pub fn toggle_expanded(&mut self) {
 69 |         self.expanded = !self.expanded;
 70 |     }
 71 | }
 72 | 
 73 | impl Feed {
 74 |     pub fn from_url(url: &str) -> Result<Self> {
 75 |         let content = reqwest::blocking::Client::new()
 76 |             .get(url)
 77 |             .timeout(Duration::from_secs(10))
 78 |             .send()
 79 |             .context("Failed to fetch feed")?
 80 |             .bytes()
 81 |             .context("Failed to read response body")?;
 82 | 
 83 |         let channel = Channel::read_from(&content[..]).context("Failed to parse RSS feed")?;
 84 | 
 85 |         let items = channel
 86 |             .items()
 87 |             .iter()
 88 |             .map(|item| FeedItem::from_rss_item(item))
 89 |             .collect();
 90 | 
 91 |         Ok(Feed {
 92 |             url: url.to_string(),
 93 |             title: channel.title().to_string(),
 94 |             items,
 95 |         })
 96 |     }
 97 | }
 98 | 
 99 | impl FeedItem {
100 |     fn from_rss_item(item: &Item) -> Self {
101 |         // Format the date for better display
102 |         let formatted_date = item.pub_date().and_then(|date_str| {
103 |             DateTime::parse_from_rfc2822(date_str)
104 |                 .ok()
105 |                 .map(|dt| format_date(dt.with_timezone(&Utc)))
106 |         });
107 | 
108 |         FeedItem {
109 |             title: item.title().unwrap_or("Untitled").to_string(),
110 |             // Using map for Option<&str> to Option<String> conversion
111 |             link: item.link().map(ToString::to_string),
112 |             description: item.description().map(ToString::to_string),
113 |             pub_date: item.pub_date().map(ToString::to_string),
114 |             author: item.author().map(ToString::to_string),
115 |             formatted_date,
116 |         }
117 |     }
118 | }
119 | 
120 | fn format_date(dt: DateTime<Utc>) -> String {
121 |     // Calculate how long ago the item was published
122 |     let now = Utc::now();
123 |     let diff = now.signed_duration_since(dt);
124 | 
125 |     if diff.num_minutes() < 60 {
126 |         format!("{} minutes ago", diff.num_minutes())
127 |     } else if diff.num_hours() < 24 {
128 |         format!("{} hours ago", diff.num_hours())
129 |     } else if diff.num_days() < 7 {
130 |         format!("{} days ago", diff.num_days())
131 |     } else {
132 |         // For older items, show the actual date
133 |         dt.format("%B %d, %Y").to_string()
134 |     }
135 | }
136 | 


--------------------------------------------------------------------------------
/src/main.rs:
--------------------------------------------------------------------------------
 1 | mod app;
 2 | mod feed;
 3 | mod tui;
 4 | mod ui;
 5 | 
 6 | use anyhow::Result;
 7 | use app::App;
 8 | 
 9 | fn main() -> Result<()> {
10 |     // Initialize the application
11 |     let app = App::new();
12 | 
13 |     // Run the terminal UI
14 |     tui::run(app)?;
15 | 
16 |     Ok(())
17 | }
18 | 
19 | 


--------------------------------------------------------------------------------
/src/tui.rs:
--------------------------------------------------------------------------------
  1 | use crate::app::{App, CategoryAction, InputMode, TimeFilter, View};
  2 | use crate::ui;
  3 | use anyhow::Result;
  4 | use crossterm::{
  5 |     event::{self, DisableMouseCapture, EnableMouseCapture, Event, KeyCode, KeyModifiers},
  6 |     execute,
  7 |     terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
  8 | };
  9 | use ratatui::{
 10 |     backend::{Backend, CrosstermBackend},
 11 |     Terminal,
 12 | };
 13 | use std::{io, time::Duration};
 14 | 
 15 | pub fn run(mut app: App) -> Result<()> {
 16 |     // Set up terminal
 17 |     enable_raw_mode()?;
 18 |     let mut stdout = io::stdout();
 19 |     execute!(stdout, EnterAlternateScreen, EnableMouseCapture)?;
 20 |     let backend = CrosstermBackend::new(stdout);
 21 |     let mut terminal = Terminal::new(backend)?;
 22 | 
 23 |     // Run the main application loop
 24 |     let result = run_app(&mut terminal, &mut app);
 25 | 
 26 |     // Clean up terminal
 27 |     disable_raw_mode()?;
 28 |     execute!(
 29 |         terminal.backend_mut(),
 30 |         LeaveAlternateScreen,
 31 |         DisableMouseCapture
 32 |     )?;
 33 |     terminal.show_cursor()?;
 34 | 
 35 |     // Handle any errors from the application
 36 |     if let Err(err) = result {
 37 |         println!("Error: {:?}", err);
 38 |     }
 39 | 
 40 |     Ok(())
 41 | }
 42 | 
 43 | fn run_app<B: Backend>(terminal: &mut Terminal<B>, app: &mut App) -> Result<()> {
 44 |     let mut last_tick = std::time::Instant::now();
 45 |     let tick_rate = Duration::from_millis(100); // 100ms for smooth animation
 46 | 
 47 |     loop {
 48 |         terminal.draw(|f| ui::render(f, app))?;
 49 | 
 50 |         // If loading, use a shorter timeout for animation
 51 |         let timeout = if app.is_loading {
 52 |             tick_rate
 53 |                 .checked_sub(last_tick.elapsed())
 54 |                 .unwrap_or_else(|| Duration::from_secs(0))
 55 |         } else if app.error.is_some() {
 56 |             Duration::from_millis(3000)
 57 |         } else {
 58 |             Duration::from_millis(100)
 59 |         };
 60 | 
 61 |         if event::poll(timeout)? {
 62 |             // Handle user input
 63 |             if handle_events(app)? {
 64 |                 return Ok(());
 65 |             }
 66 |         } else if last_tick.elapsed() >= tick_rate {
 67 |             // Update animation frame on tick
 68 |             if app.is_loading {
 69 |                 app.update_loading_indicator();
 70 |             }
 71 | 
 72 |             // Clear error after timeout
 73 |             if app.error.is_some() && last_tick.elapsed() >= Duration::from_millis(3000) {
 74 |                 app.error = None;
 75 |             }
 76 | 
 77 |             last_tick = std::time::Instant::now();
 78 |         }
 79 |     }
 80 | }
 81 | 
 82 | fn handle_events(app: &mut App) -> Result<bool> {
 83 |     if let Event::Key(key) = event::read()? {
 84 |         match app.input_mode {
 85 |             InputMode::Normal => match app.view {
 86 |                 View::Dashboard => match key.code {
 87 |                     KeyCode::Char('q') => return Ok(true),
 88 |                     KeyCode::Char('f') => {
 89 |                         app.filter_mode = true;
 90 |                         app.input_mode = InputMode::FilterMode;
 91 |                     }
 92 |                     KeyCode::Char('c') => {
 93 |                         if key.modifiers.contains(KeyModifiers::CONTROL) {
 94 |                             // Switch to category management view
 95 |                             app.view = View::CategoryManagement;
 96 |                             app.selected_category = if !app.categories.is_empty() {
 97 |                                 Some(0)
 98 |                             } else {
 99 |                                 None
100 |                             };
101 |                         } else {
102 |                             // Get available categories
103 |                             let categories = app.get_available_categories();
104 | 
105 |                             if categories.is_empty() {
106 |                                 // No categories available, toggle off if on
107 |                                 app.filter_options.category = None;
108 |                             } else {
109 |                                 // Cycle through available categories
110 |                                 if app.filter_options.category.is_none() {
111 |                                     // Set to first category
112 |                                     app.filter_options.category = Some(categories[0].clone());
113 |                                 } else {
114 |                                     // Find current index and move to next
115 |                                     let current = app.filter_options.category.as_ref().unwrap();
116 |                                     let current_idx = categories.iter().position(|c| c == current);
117 | 
118 |                                     if let Some(idx) = current_idx {
119 |                                         if idx < categories.len() - 1 {
120 |                                             // Move to next category
121 |                                             app.filter_options.category =
122 |                                                 Some(categories[idx + 1].clone());
123 |                                         } else {
124 |                                             // Wrap around to None
125 |                                             app.filter_options.category = None;
126 |                                         }
127 |                                     } else {
128 |                                         // Current category not found, set to first
129 |                                         app.filter_options.category = Some(categories[0].clone());
130 |                                     }
131 |                                 }
132 |                             }
133 |                             app.apply_filters();
134 |                         }
135 |                     }
136 |                     KeyCode::Tab => {
137 |                         // Check if shift modifier is pressed
138 |                         if key.modifiers.contains(event::KeyModifiers::SHIFT) {
139 |                             // With Shift+Tab, go from Feeds to Dashboard
140 |                             if matches!(app.view, View::FeedList) {
141 |                                 app.view = View::Dashboard;
142 |                             }
143 |                         } else {
144 |                             // With Tab, go from Dashboard to Feeds
145 |                             if matches!(app.view, View::Dashboard) {
146 |                                 app.view = View::FeedList;
147 |                             }
148 |                         }
149 |                     }
150 |                     KeyCode::Char('a') => {
151 |                         app.input.clear();
152 |                         app.input_mode = InputMode::InsertUrl;
153 |                     }
154 |                     KeyCode::Char('r') => {
155 |                         // Set loading flag before starting refresh
156 |                         app.is_loading = true;
157 | 
158 |                         if let Err(e) = app.refresh_feeds() {
159 |                             app.error = Some(format!("Failed to refresh feeds: {}", e));
160 |                         }
161 | 
162 |                         // Refresh completed
163 |                         app.is_loading = false;
164 |                     }
165 |                     KeyCode::Char('/') => {
166 |                         app.input.clear();
167 |                         app.input_mode = InputMode::SearchMode;
168 |                     }
169 |                     KeyCode::Char('1') => {
170 |                         if app.feeds.is_empty() {
171 |                             // Add Hacker News RSS
172 |                             if let Err(e) = app.add_feed("https://news.ycombinator.com/rss") {
173 |                                 app.error = Some(format!("Failed to add feed: {}", e));
174 |                             }
175 |                         }
176 |                     }
177 |                     KeyCode::Char('2') => {
178 |                         if app.feeds.is_empty() {
179 |                             // Add TechCrunch RSS
180 |                             if let Err(e) = app.add_feed("https://feeds.feedburner.com/TechCrunch")
181 |                             {
182 |                                 app.error = Some(format!("Failed to add feed: {}", e));
183 |                             }
184 |                         }
185 |                     }
186 |                     KeyCode::Char('3') => {
187 |                         if app.feeds.is_empty() {
188 |                             // Add NYTimes RSS
189 |                             if let Err(e) = app.add_feed(
190 |                                 "https://rss.nytimes.com/services/xml/rss/nyt/HomePage.xml",
191 |                             ) {
192 |                                 app.error = Some(format!("Failed to add feed: {}", e));
193 |                             }
194 |                         }
195 |                     }
196 |                     KeyCode::Up => {
197 |                         if let Some(selected) = app.selected_item {
198 |                             if selected > 0 {
199 |                                 app.selected_item = Some(selected - 1);
200 |                             }
201 |                         } else if !app.dashboard_items.is_empty() {
202 |                             app.selected_item = Some(0);
203 |                         }
204 |                     }
205 |                     KeyCode::Down => {
206 |                         if let Some(selected) = app.selected_item {
207 |                             if selected < app.dashboard_items.len() - 1 {
208 |                                 app.selected_item = Some(selected + 1);
209 |                             }
210 |                         } else if !app.dashboard_items.is_empty() {
211 |                             app.selected_item = Some(0);
212 |                         }
213 |                     }
214 |                     KeyCode::Enter => {
215 |                         if let Some(selected) = app.selected_item {
216 |                             if app.is_searching && selected < app.filtered_items.len() {
217 |                                 let (feed_idx, item_idx) = app.filtered_items[selected];
218 |                                 app.selected_feed = Some(feed_idx);
219 |                                 app.selected_item = Some(item_idx);
220 |                                 app.view = View::FeedItemDetail;
221 |                             } else if selected < app.dashboard_items.len() {
222 |                                 let (feed_idx, item_idx) = app.dashboard_items[selected];
223 |                                 app.selected_feed = Some(feed_idx);
224 |                                 app.selected_item = Some(item_idx);
225 |                                 app.view = View::FeedItemDetail;
226 |                             }
227 |                         }
228 |                     }
229 |                     KeyCode::Char('o') => {
230 |                         if app.selected_item.is_some() {
231 |                             if let Err(e) = app.open_current_item_in_browser() {
232 |                                 app.error = Some(format!("Failed to open link: {}", e));
233 |                             }
234 |                         }
235 |                     }
236 |                     _ => {}
237 |                 },
238 |                 View::FeedList => match key.code {
239 |                     KeyCode::Char('q') => return Ok(true),
240 |                     KeyCode::Tab => {
241 |                         app.view = View::Dashboard;
242 |                     }
243 |                     KeyCode::Char('a') => {
244 |                         app.input.clear();
245 |                         app.input_mode = InputMode::InsertUrl;
246 |                     }
247 |                     KeyCode::Char('d') => {
248 |                         if let Err(e) = app.remove_current_feed() {
249 |                             app.error = Some(format!("Failed to remove feed: {}", e));
250 |                         }
251 |                     }
252 |                     KeyCode::Char('h') | KeyCode::Esc | KeyCode::Home => {
253 |                         app.view = View::Dashboard;
254 |                         app.selected_item = None;
255 |                     }
256 |                     KeyCode::Char('/') => {
257 |                         app.input.clear();
258 |                         app.input_mode = InputMode::SearchMode;
259 |                     }
260 |                     KeyCode::Char('r') => {
261 |                         // Set loading flag before starting refresh
262 |                         app.is_loading = true;
263 | 
264 |                         if let Err(e) = app.refresh_feeds() {
265 |                             app.error = Some(format!("Failed to refresh feeds: {}", e));
266 |                         }
267 | 
268 |                         // Refresh completed
269 |                         app.is_loading = false;
270 |                     }
271 |                     KeyCode::Up => {
272 |                         if let Some(selected) = app.selected_feed {
273 |                             if selected > 0 {
274 |                                 app.selected_feed = Some(selected - 1);
275 |                             }
276 |                         } else if !app.feeds.is_empty() {
277 |                             app.selected_feed = Some(0);
278 |                         }
279 |                     }
280 |                     KeyCode::Down => {
281 |                         if let Some(selected) = app.selected_feed {
282 |                             if selected < app.feeds.len() - 1 {
283 |                                 app.selected_feed = Some(selected + 1);
284 |                             }
285 |                         } else if !app.feeds.is_empty() {
286 |                             app.selected_feed = Some(0);
287 |                         }
288 |                     }
289 |                     KeyCode::Enter => {
290 |                         if app.selected_feed.is_some() {
291 |                             app.selected_item = Some(0);
292 |                             app.view = View::FeedItems;
293 |                         }
294 |                     }
295 |                     KeyCode::Char('c') if key.modifiers.contains(KeyModifiers::CONTROL) => {
296 |                         // Switch to category management view
297 |                         app.view = View::CategoryManagement;
298 |                         app.selected_category = if !app.categories.is_empty() {
299 |                             Some(0)
300 |                         } else {
301 |                             None
302 |                         };
303 |                     }
304 |                     KeyCode::Char('c') if app.selected_feed.is_some() && 
305 |                                         !key.modifiers.contains(KeyModifiers::CONTROL) => {
306 |                         // Assign the selected feed to a category
307 |                         if let Some(feed_idx) = app.selected_feed {
308 |                             if feed_idx < app.feeds.len() {
309 |                                 let feed_url = app.feeds[feed_idx].url.clone();
310 |                                 app.category_action = Some(CategoryAction::AddFeedToCategory(feed_url));
311 |                                 app.view = View::CategoryManagement;
312 |                             }
313 |                         }
314 |                     }
315 |                     _ => {}
316 |                 },
317 |                 View::FeedItems => match key.code {
318 |                     KeyCode::Char('q') => return Ok(true),
319 |                     KeyCode::Esc | KeyCode::Char('h') | KeyCode::Backspace => {
320 |                         app.view = View::FeedList;
321 |                         app.selected_item = None;
322 |                     }
323 |                     KeyCode::Home => {
324 |                         app.view = View::Dashboard;
325 |                         app.selected_item = None;
326 |                     }
327 |                     KeyCode::Char('/') => {
328 |                         app.input.clear();
329 |                         app.input_mode = InputMode::SearchMode;
330 |                     }
331 |                     KeyCode::Char('r') => {
332 |                         // Set loading flag before starting refresh
333 |                         app.is_loading = true;
334 | 
335 |                         if let Err(e) = app.refresh_feeds() {
336 |                             app.error = Some(format!("Failed to refresh feeds: {}", e));
337 |                         }
338 | 
339 |                         // Refresh completed
340 |                         app.is_loading = false;
341 |                     }
342 |                     KeyCode::Up => {
343 |                         if let Some(selected) = app.selected_item {
344 |                             if selected > 0 {
345 |                                 app.selected_item = Some(selected - 1);
346 |                             }
347 |                         }
348 |                     }
349 |                     KeyCode::Down => {
350 |                         if let Some(selected) = app.selected_item {
351 |                             let feed = app.current_feed().unwrap();
352 |                             if selected < feed.items.len() - 1 {
353 |                                 app.selected_item = Some(selected + 1);
354 |                             }
355 |                         }
356 |                     }
357 |                     KeyCode::Enter => {
358 |                         if app.selected_item.is_some() {
359 |                             app.view = View::FeedItemDetail;
360 |                             if let Some(feed_idx) = app.selected_feed {
361 |                                 if let Some(item_idx) = app.selected_item {
362 |                                     if let Err(e) = app.mark_item_as_read(feed_idx, item_idx) {
363 |                                         app.error =
364 |                                             Some(format!("Failed to mark item as read: {}", e));
365 |                                     }
366 |                                 }
367 |                             }
368 |                         }
369 |                     }
370 |                     KeyCode::Char('o') => {
371 |                         if app.selected_item.is_some() {
372 |                             if let Err(e) = app.open_current_item_in_browser() {
373 |                                 app.error = Some(format!("Failed to open link: {}", e));
374 |                             }
375 |                         }
376 |                     }
377 |                     _ => {}
378 |                 },
379 |                 View::FeedItemDetail => match key.code {
380 |                     KeyCode::Char('q') => return Ok(true),
381 |                     KeyCode::Esc | KeyCode::Char('h') | KeyCode::Backspace => {
382 |                         if app.is_searching {
383 |                             // Return to search results
384 |                             app.view = View::Dashboard;
385 |                             app.selected_item = Some(0);
386 |                         } else {
387 |                             // Return to feed items
388 |                             app.view = View::FeedItems;
389 |                         }
390 |                     }
391 |                     KeyCode::Home => {
392 |                         app.view = View::Dashboard;
393 |                         app.selected_item = None;
394 |                     }
395 |                     KeyCode::Char('r') => {
396 |                         // Set loading flag before starting refresh
397 |                         app.is_loading = true;
398 | 
399 |                         if let Err(e) = app.refresh_feeds() {
400 |                             app.error = Some(format!("Failed to refresh feeds: {}", e));
401 |                         }
402 | 
403 |                         // Refresh completed
404 |                         app.is_loading = false;
405 |                     }
406 |                     KeyCode::Char('o') => {
407 |                         if let Err(e) = app.open_current_item_in_browser() {
408 |                             app.error = Some(format!("Failed to open link: {}", e));
409 |                         }
410 |                     }
411 |                     _ => {}
412 |                 },
413 |                 View::CategoryManagement => {
414 |                     match key.code {
415 |                         KeyCode::Esc | KeyCode::Char('q') => {
416 |                             // Return to previous view
417 |                             app.view = View::FeedList;
418 |                             app.category_action = None;
419 |                         }
420 |                         KeyCode::Char('n') => {
421 |                             // Create a new category
422 |                             app.input.clear();
423 |                             app.category_action = Some(CategoryAction::Create);
424 |                             app.input_mode = InputMode::CategoryNameInput;
425 |                         }
426 |                         KeyCode::Char('e') if app.selected_category.is_some() => {
427 |                             // Rename the selected category
428 |                             if let Some(idx) = app.selected_category {
429 |                                 if idx < app.categories.len() {
430 |                                     app.input = app.categories[idx].name.clone();
431 |                                     app.category_action = Some(CategoryAction::Rename(idx));
432 |                                     app.input_mode = InputMode::CategoryNameInput;
433 |                                 }
434 |                             }
435 |                         }
436 |                         KeyCode::Char('d') if app.selected_category.is_some() => {
437 |                             // Delete the selected category
438 |                             if let Some(idx) = app.selected_category {
439 |                                 if let Err(e) = app.delete_category(idx) {
440 |                                     app.error = Some(format!("Failed to delete category: {}", e));
441 |                                 }
442 |                             }
443 |                         }
444 |                         KeyCode::Enter => {
445 |                             // Add feed to category if that's the current action
446 |                             if let Some(CategoryAction::AddFeedToCategory(ref feed_url)) = app.category_action.clone() {
447 |                                 if let Some(idx) = app.selected_category {
448 |                                     if let Err(e) = app.assign_feed_to_category(&feed_url, idx) {
449 |                                         app.error = Some(format!("Failed to assign feed to category: {}", e));
450 |                                     } else {
451 |                                         // Success, go back to feed list
452 |                                         app.view = View::FeedList;
453 |                                         app.category_action = None;
454 |                                     }
455 |                                 }
456 |                             }
457 |                         }
458 |                         KeyCode::Up => {
459 |                             // Select previous category
460 |                             if let Some(selected) = app.selected_category {
461 |                                 if selected > 0 {
462 |                                     app.selected_category = Some(selected - 1);
463 |                                 }
464 |                             } else if !app.categories.is_empty() {
465 |                                 app.selected_category = Some(0);
466 |                             }
467 |                         }
468 |                         KeyCode::Down => {
469 |                             // Select next category
470 |                             if let Some(selected) = app.selected_category {
471 |                                 if selected < app.categories.len() - 1 {
472 |                                     app.selected_category = Some(selected + 1);
473 |                                 }
474 |                             } else if !app.categories.is_empty() {
475 |                                 app.selected_category = Some(0);
476 |                             }
477 |                         }
478 |                         KeyCode::Char(' ') if app.selected_category.is_some() => {
479 |                             // Toggle category expanded/collapsed
480 |                             if let Some(idx) = app.selected_category {
481 |                                 if let Err(e) = app.toggle_category_expanded(idx) {
482 |                                     app.error = Some(format!("Failed to toggle category: {}", e));
483 |                                 }
484 |                             }
485 |                         }
486 |                         KeyCode::Char('r') => {
487 |                             // Remove a feed from the selected category
488 |                             if let Some(CategoryAction::AddFeedToCategory(ref feed_url)) = app.category_action.clone() {
489 |                                 if let Some(idx) = app.selected_category {
490 |                                     if let Err(e) = app.remove_feed_from_category(&feed_url, idx) {
491 |                                         app.error = Some(format!("Failed to remove feed from category: {}", e));
492 |                                     }
493 |                                 }
494 |                             }
495 |                         }
496 |                         _ => {}
497 |                     }
498 |                 }
499 |             },
500 |             InputMode::InsertUrl => match key.code {
501 |                 KeyCode::Enter => {
502 |                     let url = app.input.trim().to_string();
503 |                     if !url.is_empty() {
504 |                         match app.add_feed(&url) {
505 |                             Ok(_) => {}
506 |                             Err(e) => {
507 |                                 app.error = Some(format!("Failed to add feed: {}", e));
508 |                             }
509 |                         }
510 |                     }
511 |                     app.input.clear();
512 |                     app.input_mode = InputMode::Normal;
513 |                 }
514 |                 KeyCode::Esc => {
515 |                     app.input.clear();
516 |                     app.input_mode = InputMode::Normal;
517 |                 }
518 |                 KeyCode::Char(c) => {
519 |                     app.input.push(c);
520 |                 }
521 |                 KeyCode::Backspace => {
522 |                     app.input.pop();
523 |                 }
524 |                 _ => {}
525 |             },
526 |             InputMode::SearchMode => match key.code {
527 |                 KeyCode::Enter => {
528 |                     let query = app.input.trim().to_string();
529 |                     app.search_feeds(&query);
530 |                     app.selected_item = Some(0);
531 |                     app.view = View::Dashboard; // Show search results in dashboard
532 |                     app.input_mode = InputMode::Normal;
533 |                 }
534 |                 KeyCode::Esc => {
535 |                     app.input.clear();
536 |                     app.is_searching = false;
537 |                     app.input_mode = InputMode::Normal;
538 |                 }
539 |                 KeyCode::Char(c) => {
540 |                     app.input.push(c);
541 |                 }
542 |                 KeyCode::Backspace => {
543 |                     app.input.pop();
544 |                 }
545 |                 _ => {}
546 |             },
547 |             InputMode::FilterMode => match key.code {
548 |                 KeyCode::Esc => {
549 |                     app.filter_mode = false;
550 |                     app.input_mode = InputMode::Normal;
551 |                 }
552 |                 KeyCode::Char('c') => {
553 |                     // Toggle category filter
554 |                     if app.filter_options.category.is_none() {
555 |                         // Cycle through available categories (tech, news, etc.)
556 |                         app.filter_options.category = Some("tech".to_string());
557 |                     } else if app.filter_options.category.as_deref() == Some("tech") {
558 |                         app.filter_options.category = Some("news".to_string());
559 |                     } else if app.filter_options.category.as_deref() == Some("news") {
560 |                         app.filter_options.category = Some("science".to_string());
561 |                     } else {
562 |                         app.filter_options.category = None;
563 |                     }
564 |                     app.apply_filters();
565 |                 }
566 |                 KeyCode::Char('t') => {
567 |                     // Cycle through time filters
568 |                     if app.filter_options.age.is_none() {
569 |                         app.filter_options.age = Some(TimeFilter::Today);
570 |                     } else if app.filter_options.age == Some(TimeFilter::Today) {
571 |                         app.filter_options.age = Some(TimeFilter::ThisWeek);
572 |                     } else if app.filter_options.age == Some(TimeFilter::ThisWeek) {
573 |                         app.filter_options.age = Some(TimeFilter::ThisMonth);
574 |                     } else if app.filter_options.age == Some(TimeFilter::ThisMonth) {
575 |                         app.filter_options.age = Some(TimeFilter::Older);
576 |                     } else {
577 |                         app.filter_options.age = None;
578 |                     }
579 |                     app.apply_filters();
580 |                 }
581 |                 KeyCode::Char('a') => {
582 |                     // Toggle author filter
583 |                     app.filter_options.has_author = match app.filter_options.has_author {
584 |                         None => Some(true),
585 |                         Some(true) => Some(false),
586 |                         Some(false) => None,
587 |                     };
588 |                     app.apply_filters();
589 |                 }
590 |                 KeyCode::Char('r') => {
591 |                     // Toggle read status filter
592 |                     app.filter_options.read_status = match app.filter_options.read_status {
593 |                         None => Some(true),        // Show read
594 |                         Some(true) => Some(false), // Show unread
595 |                         Some(false) => None,       // Show all
596 |                     };
597 |                     app.apply_filters();
598 |                 }
599 |                 KeyCode::Char('l') => {
600 |                     // Cycle through content length filters
601 |                     app.filter_options.min_length = match app.filter_options.min_length {
602 |                         None => Some(100),       // Short
603 |                         Some(100) => Some(500),  // Medium
604 |                         Some(500) => Some(1000), // Long
605 |                         _ => None,               // All
606 |                     };
607 |                     app.apply_filters();
608 |                 }
609 |                 KeyCode::Char('x') => {
610 |                     // Clear all filters
611 |                     app.filter_options.reset();
612 |                     app.apply_filters();
613 |                 }
614 |                 _ => {}
615 |             },
616 |             InputMode::CategoryNameInput => {
617 |                 match key.code {
618 |                     KeyCode::Enter => {
619 |                         // Process category name input
620 |                         match app.category_action.clone() {
621 |                             Some(CategoryAction::Create) => {
622 |                                 let input = app.input.clone();
623 |                                 if let Err(e) = app.create_category(&input) {
624 |                                     app.error = Some(format!("Failed to create category: {}", e));
625 |                                 }
626 |                             }
627 |                             Some(CategoryAction::Rename(idx)) => {
628 |                                 let input = app.input.clone();
629 |                                 if let Err(e) = app.rename_category(idx, &input) {
630 |                                     app.error = Some(format!("Failed to rename category: {}", e));
631 |                                 }
632 |                             }
633 |                             _ => {}
634 |                         }
635 |                         app.input.clear();
636 |                         app.input_mode = InputMode::Normal;
637 |                     }
638 |                     KeyCode::Esc => {
639 |                         // Cancel the operation
640 |                         app.input.clear();
641 |                         app.input_mode = InputMode::Normal;
642 |                         app.category_action = None;
643 |                     }
644 |                     KeyCode::Backspace => {
645 |                         app.input.pop();
646 |                     }
647 |                     KeyCode::Char(c) => {
648 |                         app.input.push(c);
649 |                     }
650 |                     _ => {}
651 |                 }
652 |             },
653 |             InputMode::CategoryMode => {
654 |                 // Handle category mode key events
655 |                 match key.code {
656 |                     KeyCode::Esc => {
657 |                         app.input_mode = InputMode::Normal;
658 |                     }
659 |                     _ => {}
660 |                 }
661 |             }
662 |         }
663 |     }
664 |     Ok(false)
665 | }
666 | 


--------------------------------------------------------------------------------
/src/ui.rs:
--------------------------------------------------------------------------------
   1 | use crate::app::{App, CategoryAction, InputMode, TimeFilter, View};
   2 | use html2text::from_read;
   3 | use ratatui::{
   4 |     backend::Backend,
   5 |     layout::{Alignment, Constraint, Direction, Layout, Rect},
   6 |     style::{Color, Modifier, Style},
   7 |     symbols::{self},
   8 |     text::{Line, Span, Text},
   9 |     widgets::{
  10 |         canvas::{Canvas, Rectangle},
  11 |         Block, BorderType, Borders, Clear, List, ListItem, ListState, Padding, Paragraph, Tabs, Wrap,
  12 |     },
  13 |     Frame,
  14 | };
  15 | use unicode_width::{UnicodeWidthChar, UnicodeWidthStr};
  16 | 
  17 | // Define a refined color palette inspired by modern terminal themes
  18 | const PRIMARY_COLOR: Color = Color::Cyan; // blue
  19 | const SECONDARY_COLOR: Color = Color::Magenta; // purple
  20 | const HIGHLIGHT_COLOR: Color = Color::Green; // mint
  21 | const BACKGROUND_COLOR: Color = Color::Black; // charcoal
  22 | const TEXT_COLOR: Color = Color::White; // off-white
  23 | const MUTED_COLOR: Color = Color::DarkGray; // steel gray
  24 | const ACCENT_COLOR: Color = Color::Yellow; // gold
  25 | const ERROR_COLOR: Color = Color::Red; // rose
  26 | const BORDER_COLOR: Color = Color::DarkGray; // dark gray
  27 | 
  28 | const NORMAL_BORDER: BorderType = BorderType::Rounded;
  29 | const ACTIVE_BORDER: BorderType = BorderType::Thick;
  30 | 
  31 | pub fn render<B: Backend>(f: &mut Frame<B>, app: &App) {
  32 |     // Set background color for the entire terminal
  33 |     let bg_block = Block::default().style(Style::default().bg(BACKGROUND_COLOR));
  34 |     f.render_widget(bg_block, f.size());
  35 | 
  36 |     // Main layout division
  37 |     let chunks = Layout::default()
  38 |         .direction(Direction::Vertical)
  39 |         .margin(1)
  40 |         .constraints([
  41 |             Constraint::Length(3), // Title/tab bar
  42 |             Constraint::Min(0),    // Main content
  43 |             Constraint::Length(3), // Help bar
  44 |         ])
  45 |         .split(f.size());
  46 | 
  47 |     render_title_bar(f, app, chunks[0]);
  48 | 
  49 |     match app.view {
  50 |         View::Dashboard => render_dashboard(f, app, chunks[1]),
  51 |         View::FeedList => render_feed_list(f, app, chunks[1]),
  52 |         View::FeedItems => render_feed_items(f, app, chunks[1]),
  53 |         View::FeedItemDetail => render_item_detail(f, app, chunks[1]),
  54 |         View::CategoryManagement => render_category_management(f, app, chunks[1]),
  55 |     }
  56 | 
  57 |     render_help_bar(f, app, chunks[2]);
  58 | 
  59 |     // Show error if present
  60 |     if let Some(error) = &app.error {
  61 |         render_error_modal(f, error);
  62 |     }
  63 | 
  64 |     // Show input modal when in input modes
  65 |     if matches!(app.input_mode, InputMode::InsertUrl | InputMode::SearchMode) {
  66 |         render_input_modal(f, app);
  67 |     }
  68 | 
  69 |     // Show filter modal when in filter mode
  70 |     if app.filter_mode {
  71 |         render_filter_modal(f, app);
  72 |     }
  73 | 
  74 |     // Show category input modal when in category name input mode
  75 |     if app.input_mode == InputMode::CategoryNameInput {
  76 |         render_category_input_modal(f, app);
  77 |     }
  78 | }
  79 | 
  80 | fn render_title_bar<B: Backend>(f: &mut Frame<B>, app: &App, area: Rect) {
  81 |     // Create tabs for navigation
  82 |     let titles = vec!["Dashboard", "Feeds", "Items", "Detail", "Categories"];
  83 |     let selected_tab = match app.view {
  84 |         View::Dashboard => 0,
  85 |         View::FeedList => 1,
  86 |         View::FeedItems => 2,
  87 |         View::FeedItemDetail => 3,
  88 |         View::CategoryManagement => 4,
  89 |     };
  90 | 
  91 |     // Loading animation characters - smoother spinner
  92 |     let loading_symbols = ["◐", "◓", "◑", "◒"];
  93 | 
  94 |     // Create title with loading indicator if loading
  95 |     let title = if app.is_loading {
  96 |         format!(
  97 |             " {} Loading... ",
  98 |             loading_symbols[app.loading_indicator % 4]
  99 |         )
 100 |     } else {
 101 |         " 📰 Feedr ".to_string()
 102 |     };
 103 | 
 104 |     // Create tab highlight effect
 105 |     let tabs = Tabs::new(
 106 |         titles
 107 |             .iter()
 108 |             .enumerate()
 109 |             .map(|(i, t)| {
 110 |                 let prefix = if i == selected_tab { "▪ " } else { "  " };
 111 |                 Line::from(vec![Span::styled(
 112 |                     format!("{}{}", prefix, t),
 113 |                     if i == selected_tab {
 114 |                         Style::default()
 115 |                             .fg(HIGHLIGHT_COLOR)
 116 |                             .add_modifier(Modifier::BOLD)
 117 |                     } else {
 118 |                         Style::default().fg(MUTED_COLOR)
 119 |                     },
 120 |                 )])
 121 |             })
 122 |             .collect(),
 123 |     )
 124 |     .block(
 125 |         Block::default()
 126 |             .borders(Borders::ALL)
 127 |             .border_type(if app.is_loading {
 128 |                 ACTIVE_BORDER
 129 |             } else {
 130 |                 NORMAL_BORDER
 131 |             })
 132 |             .border_style(Style::default().fg(PRIMARY_COLOR))
 133 |             .title(title)
 134 |             .title_alignment(Alignment::Center)
 135 |             .padding(Padding::new(1, 0, 0, 0)),
 136 |     )
 137 |     .style(Style::default().fg(MUTED_COLOR))
 138 |     .select(selected_tab)
 139 |     .divider(symbols::line::VERTICAL);
 140 | 
 141 |     f.render_widget(tabs, area);
 142 | }
 143 | 
 144 | fn render_dashboard<B: Backend>(f: &mut Frame<B>, app: &App, area: Rect) {
 145 |     let mut title = if app.is_searching {
 146 |         format!(" 🔍 Search Results: '{}' ", app.search_query)
 147 |     } else {
 148 |         " 🔔 Latest Updates ".to_string()
 149 |     };
 150 | 
 151 |     // Add filter indicators to title if any filters are active
 152 |     if app.filter_options.is_active() {
 153 |         title = format!("{} | 🔍 Filtered", title);
 154 |     }
 155 | 
 156 |     // Use the filtered items when filters are active
 157 |     let items_to_display = if app.is_searching {
 158 |         &app.filtered_items
 159 |     } else if app.filter_options.is_active() {
 160 |         &app.filtered_dashboard_items
 161 |     } else {
 162 |         &app.dashboard_items
 163 |     };
 164 | 
 165 |     if items_to_display.is_empty() {
 166 |         let message = if app.is_searching {
 167 |             let no_results = format!("No results found for '{}'", app.search_query);
 168 | 
 169 |             // Create a visually appealing empty search results screen
 170 |             let mut lines = Vec::new();
 171 |             lines.push("");
 172 |             lines.push("       🔍       ");
 173 |             lines.push("");
 174 |             lines.push(&no_results);
 175 |             lines.push("");
 176 |             lines.push("Try different keywords or add more feeds");
 177 | 
 178 |             lines.join("\n")
 179 |         } else if app.feeds.is_empty() {
 180 |             // Enhanced ASCII art with color coding and interactive suggestions
 181 |             let ascii_art = vec![
 182 |                 "                                                ",
 183 |                 "  ███████╗███████╗███████╗██████╗ ██████╗      ",
 184 |                 "  ██╔════╝██╔════╝██╔════╝██╔══██╗██╔══██╗     ",
 185 |                 "  █████╗  █████╗  █████╗  ██║  ██║██████╔╝     ",
 186 |                 "  ██╔══╝  ██╔══╝  ██╔══╝  ██║  ██║██╔══██╗     ",
 187 |                 "  ██║     ███████╗███████╗██████╔╝██║  ██║     ",
 188 |                 "  ╚═╝     ╚══════╝╚══════╝╚═════╝ ╚═╝  ╚═╝     ",
 189 |                 "                                                ",
 190 |                 "  Welcome to Feedr - Your Terminal RSS Reader   ",
 191 |                 " ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ",
 192 |                 "                                                ",
 193 |                 "  📚 Get started by adding your favorite RSS feeds",
 194 |                 "  🔶 Press 'a' to add a feed URL                 ",
 195 |                 "                                                ",
 196 |                 "  Quick-add suggestions: (press the number key) ",
 197 |                 "    1️⃣ news.ycombinator.com/rss                  ",
 198 |                 "    2️⃣ feeds.feedburner.com/TechCrunch           ",
 199 |             ];
 200 |             ascii_art.join("\n")
 201 |         } else {
 202 |             let empty_msg = vec![
 203 |                 "",
 204 |                 "       📭       ",
 205 |                 "",
 206 |                 "No recent items",
 207 |                 "",
 208 |                 "Refresh with 'r' to update",
 209 |                 "",
 210 |             ];
 211 |             empty_msg.join("\n")
 212 |         };
 213 | 
 214 |         // Rich text for empty dashboard
 215 |         let mut text = Text::default();
 216 | 
 217 |         if app.feeds.is_empty() && !app.is_searching {
 218 |             // For welcome screen
 219 |             for line in message.lines() {
 220 |                 if line.contains("Welcome") {
 221 |                     text.lines.push(Line::from(vec![Span::styled(
 222 |                         line,
 223 |                         Style::default()
 224 |                             .fg(ACCENT_COLOR)
 225 |                             .add_modifier(Modifier::BOLD),
 226 |                     )]));
 227 |                 } else if line.contains("Press") {
 228 |                     text.lines.push(Line::from(vec![Span::styled(
 229 |                         line,
 230 |                         Style::default().fg(HIGHLIGHT_COLOR),
 231 |                     )]));
 232 |                 } else if line.contains("Some suggestions") {
 233 |                     text.lines.push(Line::from(vec![Span::styled(
 234 |                         line,
 235 |                         Style::default()
 236 |                             .fg(SECONDARY_COLOR)
 237 |                             .add_modifier(Modifier::BOLD),
 238 |                     )]));
 239 |                 } else if line.contains("•") {
 240 |                     text.lines.push(Line::from(vec![Span::styled(
 241 |                         line,
 242 |                         Style::default().fg(PRIMARY_COLOR),
 243 |                     )]));
 244 |                 } else if line.contains("Get started") {
 245 |                     text.lines.push(Line::from(vec![Span::styled(
 246 |                         line,
 247 |                         Style::default().fg(TEXT_COLOR),
 248 |                     )]));
 249 |                 } else if line.contains("━") {
 250 |                     text.lines.push(Line::from(vec![Span::styled(
 251 |                         line,
 252 |                         Style::default().fg(BORDER_COLOR),
 253 |                     )]));
 254 |                 } else if line.contains("███") {
 255 |                     text.lines.push(Line::from(vec![Span::styled(
 256 |                         line,
 257 |                         Style::default().fg(PRIMARY_COLOR),
 258 |                     )]));
 259 |                 } else {
 260 |                     text.lines.push(Line::from(line));
 261 |                 }
 262 |             }
 263 |         } else {
 264 |             // For empty search or empty dashboard
 265 |             for line in message.lines() {
 266 |                 if line.contains("🔍") || line.contains("📭") {
 267 |                     text.lines.push(Line::from(vec![Span::styled(
 268 |                         line,
 269 |                         Style::default().fg(SECONDARY_COLOR),
 270 |                     )]));
 271 |                 } else if line.contains("No results") || line.contains("No recent") {
 272 |                     text.lines.push(Line::from(vec![Span::styled(
 273 |                         line,
 274 |                         Style::default().fg(TEXT_COLOR).add_modifier(Modifier::BOLD),
 275 |                     )]));
 276 |                 } else {
 277 |                     text.lines.push(Line::from(vec![Span::styled(
 278 |                         line,
 279 |                         Style::default().fg(MUTED_COLOR),
 280 |                     )]));
 281 |                 }
 282 |             }
 283 |         }
 284 | 
 285 |         let paragraph = Paragraph::new(text).alignment(Alignment::Center).block(
 286 |             Block::default()
 287 |                 .title(title)
 288 |                 .title_alignment(Alignment::Center)
 289 |                 .borders(Borders::ALL)
 290 |                 .border_type(NORMAL_BORDER)
 291 |                 .border_style(Style::default().fg(PRIMARY_COLOR))
 292 |                 .padding(Padding::new(1, 1, 1, 1)),
 293 |         );
 294 | 
 295 |         f.render_widget(paragraph, area);
 296 |         return;
 297 |     }
 298 | 
 299 |     if app.filter_options.is_active() && items_to_display.is_empty() {
 300 |         let mut text = Text::default();
 301 | 
 302 |         text.lines.push(Line::from(""));
 303 |         text.lines.push(Line::from(Span::styled(
 304 |             "       🔍       ",
 305 |             Style::default().fg(SECONDARY_COLOR),
 306 |         )));
 307 |         text.lines.push(Line::from(""));
 308 |         text.lines.push(Line::from(Span::styled(
 309 |             "No items match your current filters",
 310 |             Style::default().fg(TEXT_COLOR).add_modifier(Modifier::BOLD),
 311 |         )));
 312 |         text.lines.push(Line::from(""));
 313 |         text.lines.push(Line::from(Span::styled(
 314 |             app.get_filter_summary(),
 315 |             Style::default().fg(SECONDARY_COLOR),
 316 |         )));
 317 |         text.lines.push(Line::from(""));
 318 |         text.lines.push(Line::from(Span::styled(
 319 |             "Press 'f' to adjust filters or 'r' to refresh feeds",
 320 |             Style::default().fg(HIGHLIGHT_COLOR),
 321 |         )));
 322 | 
 323 |         let paragraph = Paragraph::new(text).alignment(Alignment::Center).block(
 324 |             Block::default()
 325 |                 .title(title)
 326 |                 .title_alignment(Alignment::Center)
 327 |                 .borders(Borders::ALL)
 328 |                 .border_type(NORMAL_BORDER)
 329 |                 .border_style(Style::default().fg(PRIMARY_COLOR))
 330 |                 .padding(Padding::new(1, 1, 1, 1)),
 331 |         );
 332 | 
 333 |         f.render_widget(paragraph, area);
 334 |         return;
 335 |     }
 336 | 
 337 |     // For non-empty dashboard, create richly formatted items
 338 |     let items: Vec<ListItem> = items_to_display
 339 |         .iter()
 340 |         .enumerate()
 341 |         .map(|(idx, &(feed_idx, item_idx))| {
 342 |             let (feed, item) = if app.is_searching {
 343 |                 app.search_item(idx).unwrap()
 344 |             } else {
 345 |                 app.dashboard_item(idx).unwrap()
 346 |             };
 347 | 
 348 |             let date_str = item.formatted_date.as_deref().unwrap_or("Unknown date");
 349 |             let is_selected = app.selected_item.map_or(false, |selected| selected == idx);
 350 |             let is_read = app.is_item_read(feed_idx, item_idx);
 351 | 
 352 |             // Create clearer visual group with feed name as header
 353 |             ListItem::new(vec![
 354 |                 // Feed source with icon - more prominent
 355 |                 Line::from(vec![
 356 |                     Span::styled(
 357 |                         if is_selected { "► " } else { "● " },
 358 |                         Style::default().fg(if is_selected {
 359 |                             HIGHLIGHT_COLOR
 360 |                         } else if is_read {
 361 |                             MUTED_COLOR // Use muted color for read items
 362 |                         } else {
 363 |                             PRIMARY_COLOR
 364 |                         }),
 365 |                     ),
 366 |                     Span::styled(
 367 |                         format!("[{}]", feed.title),
 368 |                         Style::default()
 369 |                             .fg(SECONDARY_COLOR)
 370 |                             .add_modifier(Modifier::BOLD),
 371 |                     ),
 372 |                 ]),
 373 |                 // Item title - more prominent
 374 |                 Line::from(vec![
 375 |                     Span::styled("  │ ", Style::default().fg(BORDER_COLOR)),
 376 |                     Span::styled(
 377 |                         &item.title,
 378 |                         Style::default()
 379 |                             .fg(if is_selected {
 380 |                                 HIGHLIGHT_COLOR
 381 |                             } else {
 382 |                                 TEXT_COLOR
 383 |                             })
 384 |                             .add_modifier(if is_selected {
 385 |                                 Modifier::BOLD
 386 |                             } else {
 387 |                                 Modifier::empty()
 388 |                             }),
 389 |                     ),
 390 |                 ]),
 391 |                 // Publication date with icon
 392 |                 Line::from(vec![
 393 |                     Span::styled("  └─ ", Style::default().fg(BORDER_COLOR)),
 394 |                     Span::styled("🕒 ", Style::default().fg(PRIMARY_COLOR)),
 395 |                     Span::styled(date_str, Style::default().fg(MUTED_COLOR)),
 396 |                 ]),
 397 |                 // Empty line for spacing between items
 398 |                 Line::from(""),
 399 |             ])
 400 |             .style(Style::default().fg(TEXT_COLOR).bg(if is_selected {
 401 |                 Color::Rgb(59, 66, 82)
 402 |             } else {
 403 |                 BACKGROUND_COLOR
 404 |             }))
 405 |         })
 406 |         .collect();
 407 | 
 408 |     let dashboard_list = List::new(items)
 409 |         .block(
 410 |             Block::default()
 411 |                 .title(title)
 412 |                 .title_alignment(Alignment::Center)
 413 |                 .borders(Borders::ALL)
 414 |                 .border_type(NORMAL_BORDER)
 415 |                 .border_style(Style::default().fg(PRIMARY_COLOR))
 416 |                 .padding(Padding::new(1, 0, 0, 0)),
 417 |         )
 418 |         .highlight_style(
 419 |             Style::default()
 420 |                 .bg(Color::Rgb(59, 66, 82)) // Slightly lighter than background
 421 |                 .fg(HIGHLIGHT_COLOR)
 422 |                 .add_modifier(Modifier::BOLD),
 423 |         )
 424 |         .highlight_symbol(" ► ");
 425 | 
 426 |     let mut state = ratatui::widgets::ListState::default();
 427 |     state.select(app.selected_item);
 428 | 
 429 |     f.render_stateful_widget(dashboard_list, area, &mut state);
 430 | }
 431 | 
 432 | fn render_feed_list<B: Backend>(f: &mut Frame<B>, app: &App, area: Rect) {
 433 |     let chunks = Layout::default()
 434 |         .direction(Direction::Vertical)
 435 |         .constraints([
 436 |             Constraint::Length(3),
 437 |             Constraint::Min(0),
 438 |         ])
 439 |         .split(area);
 440 | 
 441 |     let title_text = vec![
 442 |         Line::from(Span::styled(
 443 |             "  Add your RSS/Atom feeds to get started  ",
 444 |             Style::default().fg(MUTED_COLOR),
 445 |         )),
 446 |         Line::from(Span::styled(
 447 |             "  Press 'a' to add a feed                  ",
 448 |             Style::default().fg(HIGHLIGHT_COLOR),
 449 |         )),
 450 |     ];
 451 | 
 452 |     let title_para = Paragraph::new(Text::from(title_text))
 453 |         .block(Block::default().borders(Borders::NONE))
 454 |         .alignment(Alignment::Left);
 455 | 
 456 |     f.render_widget(title_para, chunks[0]);
 457 | 
 458 |     if app.feeds.is_empty() {
 459 |         // Restore the stylized ASCII robot penguin
 460 |         let mut text = Text::default();
 461 | 
 462 |         // Stylized ASCII robot penguin
 463 |         text.lines.push(Line::from(Span::styled(
 464 |             "                                           ",
 465 |             Style::default().fg(MUTED_COLOR),
 466 |         )));
 467 |         text.lines.push(Line::from(Span::styled(
 468 |             "       .---.                               ",
 469 |             Style::default().fg(PRIMARY_COLOR),
 470 |         )));
 471 |         text.lines.push(Line::from(vec![
 472 |             Span::styled("      |", Style::default().fg(PRIMARY_COLOR)),
 473 |             Span::styled("o_o", Style::default().fg(ACCENT_COLOR)),
 474 |             Span::styled(
 475 |                 " |                              ",
 476 |                 Style::default().fg(PRIMARY_COLOR),
 477 |             ),
 478 |         ]));
 479 |         text.lines.push(Line::from(vec![
 480 |             Span::styled("      |", Style::default().fg(PRIMARY_COLOR)),
 481 |             Span::styled(":_/", Style::default().fg(SECONDARY_COLOR)),
 482 |             Span::styled(
 483 |                 " |                              ",
 484 |                 Style::default().fg(PRIMARY_COLOR),
 485 |             ),
 486 |         ]));
 487 |         text.lines.push(Line::from(Span::styled(
 488 |             "     //   \\ \\                             ",
 489 |             Style::default().fg(PRIMARY_COLOR),
 490 |         )));
 491 |         text.lines.push(Line::from(Span::styled(
 492 |             "    (|     | )                            ",
 493 |             Style::default().fg(PRIMARY_COLOR),
 494 |         )));
 495 |         text.lines.push(Line::from(Span::styled(
 496 |             "   /'\\_   _/`\\                           ",
 497 |             Style::default().fg(PRIMARY_COLOR),
 498 |         )));
 499 |         text.lines.push(Line::from(Span::styled(
 500 |             "   \\___)=(___/                           ",
 501 |             Style::default().fg(PRIMARY_COLOR),
 502 |         )));
 503 |         text.lines.push(Line::from(Span::styled(
 504 |             "                                           ",
 505 |             Style::default().fg(MUTED_COLOR),
 506 |         )));
 507 | 
 508 |         // Help message
 509 |         text.lines.push(Line::from(Span::styled(
 510 |             "  No feeds added yet!                      ",
 511 |             Style::default().fg(TEXT_COLOR).add_modifier(Modifier::BOLD),
 512 |         )));
 513 |         text.lines.push(Line::from(Span::styled(
 514 |             "                                           ",
 515 |             Style::default().fg(MUTED_COLOR),
 516 |         )));
 517 |         text.lines.push(Line::from(Span::styled(
 518 |             "  Press 'a' to add a feed                  ",
 519 |             Style::default().fg(HIGHLIGHT_COLOR),
 520 |         )));
 521 | 
 522 |         let paragraph = Paragraph::new(text).alignment(Alignment::Center).block(
 523 |             Block::default()
 524 |                 .title(" 📋 Feeds ")
 525 |                 .title_alignment(Alignment::Center)
 526 |                 .borders(Borders::ALL)
 527 |                 .border_type(NORMAL_BORDER)
 528 |                 .border_style(Style::default().fg(PRIMARY_COLOR))
 529 |                 .padding(Padding::new(1, 1, 1, 1)),
 530 |         );
 531 | 
 532 |         f.render_widget(paragraph, chunks[1]);
 533 |         return;
 534 |     }
 535 | 
 536 |     // Modify to show category indicators next to feeds
 537 |     let items: Vec<ListItem> = app
 538 |         .feeds
 539 |         .iter()
 540 |         .enumerate()
 541 |         .map(|(i, feed)| {
 542 |             let mut content = vec![];
 543 |             
 544 |             // Add category indicator if the feed is in a category
 545 |             let category = app.get_category_for_feed(&feed.url);
 546 |             let category_tag = if let Some(cat_idx) = category {
 547 |                 if cat_idx < app.categories.len() {
 548 |                     format!(" [{}]", app.categories[cat_idx].name)
 549 |                 } else {
 550 |                     String::new()
 551 |                 }
 552 |             } else {
 553 |                 String::new()
 554 |             };
 555 | 
 556 |             // Feed title with category tag
 557 |             let feed_title = format!("{}{}", feed.title, category_tag);
 558 | 
 559 |             if Some(i) == app.selected_feed {
 560 |                 content.push(Span::styled(
 561 |                     format!("▶ {}", feed_title),
 562 |                     Style::default()
 563 |                         .fg(HIGHLIGHT_COLOR)
 564 |                         .add_modifier(Modifier::BOLD),
 565 |                 ));
 566 |             } else {
 567 |                 content.push(Span::styled(
 568 |                     format!("  {}", feed_title),
 569 |                     Style::default().fg(TEXT_COLOR),
 570 |                 ));
 571 |             }
 572 | 
 573 |             let domain = extract_domain(&feed.url);
 574 |             content.push(Span::styled(
 575 |                 format!(" ({})", domain),
 576 |                 Style::default().fg(MUTED_COLOR),
 577 |             ));
 578 | 
 579 |             ListItem::new(Line::from(content))
 580 |         })
 581 |         .collect();
 582 | 
 583 |     let feeds = List::new(items)
 584 |         .block(
 585 |             Block::default()
 586 |                 .borders(Borders::ALL)
 587 |                 .border_type(NORMAL_BORDER)
 588 |                 .title(" 📋 Feeds ")
 589 |                 .title_alignment(Alignment::Center)
 590 |                 .border_style(Style::default().fg(PRIMARY_COLOR)),
 591 |         )
 592 |         .highlight_style(
 593 |             Style::default()
 594 |                 .bg(PRIMARY_COLOR)
 595 |                 .fg(TEXT_COLOR)
 596 |                 .add_modifier(Modifier::BOLD),
 597 |         )
 598 |         .highlight_symbol(" ► ");
 599 | 
 600 |     // Create a mutable ListState to track selection
 601 |     let mut list_state = ListState::default();
 602 |     list_state.select(app.selected_feed);
 603 |     
 604 |     f.render_stateful_widget(feeds, chunks[1], &mut list_state);
 605 | }
 606 | 
 607 | // Add this helper function to extract domain from URL
 608 | pub fn extract_domain(url: &str) -> String {
 609 |     let clean_url = url
 610 |         .replace("https://", "")
 611 |         .replace("http://", "")
 612 |         .replace("www.", "");
 613 | 
 614 |     if let Some(slash_pos) = clean_url.find('/') {
 615 |         clean_url[..slash_pos].to_string()
 616 |     } else {
 617 |         clean_url
 618 |     }
 619 | }
 620 | 
 621 | fn render_feed_items<B: Backend>(f: &mut Frame<B>, app: &App, area: Rect) {
 622 |     if let Some(feed) = app.current_feed() {
 623 |         let title = format!(" 📰 {} ", feed.title);
 624 | 
 625 |         if feed.items.is_empty() {
 626 |             // Empty feed visualization
 627 |             let mut text = Text::default();
 628 | 
 629 |             text.lines.push(Line::from(""));
 630 |             text.lines.push(Line::from(Span::styled(
 631 |                 "       📭       ",
 632 |                 Style::default().fg(SECONDARY_COLOR),
 633 |             )));
 634 |             text.lines.push(Line::from(""));
 635 |             text.lines.push(Line::from(Span::styled(
 636 |                 "No items in this feed",
 637 |                 Style::default().fg(TEXT_COLOR).add_modifier(Modifier::BOLD),
 638 |             )));
 639 |             text.lines.push(Line::from(""));
 640 |             text.lines.push(Line::from(Span::styled(
 641 |                 "This feed might be empty or need refreshing",
 642 |                 Style::default().fg(MUTED_COLOR),
 643 |             )));
 644 |             text.lines.push(Line::from(""));
 645 |             text.lines.push(Line::from(Span::styled(
 646 |                 "Press 'r' to refresh feeds",
 647 |                 Style::default().fg(HIGHLIGHT_COLOR),
 648 |             )));
 649 | 
 650 |             let paragraph = Paragraph::new(text).alignment(Alignment::Center).block(
 651 |                 Block::default()
 652 |                     .title(title)
 653 |                     .title_alignment(Alignment::Center)
 654 |                     .borders(Borders::ALL)
 655 |                     .border_type(NORMAL_BORDER)
 656 |                     .border_style(Style::default().fg(PRIMARY_COLOR))
 657 |                     .padding(Padding::new(1, 1, 1, 1)),
 658 |             );
 659 | 
 660 |             f.render_widget(paragraph, area);
 661 |             return;
 662 |         }
 663 | 
 664 |         // Enhanced feed items for better readability
 665 |         let items: Vec<ListItem> = feed
 666 |             .items
 667 |             .iter()
 668 |             .enumerate()
 669 |             .map(|(idx, item)| {
 670 |                 let date_str = item.formatted_date.as_deref().unwrap_or("");
 671 |                 let author = item.author.as_deref().unwrap_or("");
 672 |                 let is_selected = app.selected_item.map_or(false, |selected| selected == idx);
 673 |                 let is_read = app
 674 |                     .selected_feed
 675 |                     .map_or(false, |feed_idx| app.is_item_read(feed_idx, idx));
 676 | 
 677 |                 // More distinct selection indicators
 678 |                 let (title_color, bullet_icon, bullet_color) = if is_selected {
 679 |                     (HIGHLIGHT_COLOR, "►", PRIMARY_COLOR)
 680 |                 } else if is_read {
 681 |                     (MUTED_COLOR, "•", MUTED_COLOR) // Muted for read items
 682 |                 } else {
 683 |                     (SECONDARY_COLOR, "•", MUTED_COLOR)
 684 |                 };
 685 | 
 686 |                 // Better formatted snippet with HTML cleanup
 687 |                 let snippet = if let Some(desc) = &item.description {
 688 |                     let plain_text = html2text::from_read(desc.as_bytes(), 50);
 689 |                     // Remove excess whitespace for cleaner display
 690 |                     let clean_text = plain_text
 691 |                         .replace('\n', " ")
 692 |                         .replace("  ", " ")
 693 |                         .trim()
 694 |                         .to_string();
 695 |                     let snippet = truncate_str(&clean_text, 80);
 696 |                     snippet
 697 |                 } else {
 698 |                     "".to_string()
 699 |                 };
 700 | 
 701 |                 // Create visually separated blocks for each item
 702 |                 let mut lines = vec![
 703 |                     // Title with more distinct selection indicator
 704 |                     Line::from(vec![
 705 |                         Span::styled(
 706 |                             format!("{} ", bullet_icon),
 707 |                             Style::default().fg(bullet_color),
 708 |                         ),
 709 |                         Span::styled(
 710 |                             &item.title,
 711 |                             Style::default()
 712 |                                 .fg(title_color)
 713 |                                 .add_modifier(if is_selected {
 714 |                                     Modifier::BOLD
 715 |                                 } else {
 716 |                                     Modifier::empty()
 717 |                                 }),
 718 |                         ),
 719 |                     ]),
 720 |                 ];
 721 | 
 722 |                 // Add content preview with better formatting
 723 |                 if !snippet.is_empty() {
 724 |                     lines.push(Line::from(vec![
 725 |                         Span::styled("  │ ", Style::default().fg(BORDER_COLOR)),
 726 |                         Span::styled(
 727 |                             snippet,
 728 |                             Style::default().fg(if is_selected { TEXT_COLOR } else { MUTED_COLOR }),
 729 |                         ),
 730 |                     ]));
 731 |                 }
 732 | 
 733 |                 // Add better formatted metadata with icons
 734 |                 if !author.is_empty() && !date_str.is_empty() {
 735 |                     lines.push(Line::from(vec![
 736 |                         Span::styled("  └─ ", Style::default().fg(BORDER_COLOR)),
 737 |                         Span::styled("👤 ", Style::default().fg(PRIMARY_COLOR)),
 738 |                         Span::styled(author, Style::default().fg(TEXT_COLOR)),
 739 |                         Span::styled(" • ", Style::default().fg(BORDER_COLOR)),
 740 |                         Span::styled("🕒 ", Style::default().fg(PRIMARY_COLOR)),
 741 |                         Span::styled(date_str, Style::default().fg(TEXT_COLOR)),
 742 |                     ]));
 743 |                 } else if !author.is_empty() {
 744 |                     lines.push(Line::from(vec![
 745 |                         Span::styled("  └─ ", Style::default().fg(BORDER_COLOR)),
 746 |                         Span::styled("👤 ", Style::default().fg(PRIMARY_COLOR)),
 747 |                         Span::styled(author, Style::default().fg(TEXT_COLOR)),
 748 |                     ]));
 749 |                 } else if !date_str.is_empty() {
 750 |                     lines.push(Line::from(vec![
 751 |                         Span::styled("  └─ ", Style::default().fg(BORDER_COLOR)),
 752 |                         Span::styled("🕒 ", Style::default().fg(PRIMARY_COLOR)),
 753 |                         Span::styled(date_str, Style::default().fg(TEXT_COLOR)),
 754 |                     ]));
 755 |                 }
 756 | 
 757 |                 // Add a subtle separator line between items for better visual grouping
 758 |                 lines.push(Line::from(Span::styled(
 759 |                     "  ",
 760 |                     Style::default().fg(MUTED_COLOR),
 761 |                 )));
 762 | 
 763 |                 ListItem::new(lines).style(Style::default().fg(TEXT_COLOR).bg(if is_selected {
 764 |                     Color::Rgb(59, 66, 82)
 765 |                 } else {
 766 |                     BACKGROUND_COLOR
 767 |                 }))
 768 |             })
 769 |             .collect();
 770 | 
 771 |         let items_list = List::new(items)
 772 |             .block(
 773 |                 Block::default()
 774 |                     .title(title)
 775 |                     .title_alignment(Alignment::Center)
 776 |                     .borders(Borders::ALL)
 777 |                     .border_type(NORMAL_BORDER)
 778 |                     .border_style(Style::default().fg(PRIMARY_COLOR))
 779 |                     .padding(Padding::new(1, 0, 0, 0)),
 780 |             )
 781 |             .highlight_style(
 782 |                 Style::default()
 783 |                     .bg(Color::Rgb(59, 66, 82))
 784 |                     .fg(HIGHLIGHT_COLOR)
 785 |                     .add_modifier(Modifier::BOLD),
 786 |             )
 787 |             .highlight_symbol(""); // We're handling the symbol manually now
 788 | 
 789 |         let mut state = ratatui::widgets::ListState::default();
 790 |         state.select(app.selected_item);
 791 | 
 792 |         f.render_stateful_widget(items_list, area, &mut state);
 793 |     }
 794 | }
 795 | 
 796 | fn render_item_detail<B: Backend>(f: &mut Frame<B>, app: &App, area: Rect) {
 797 |     if let Some(item) = app.current_item() {
 798 |         // Split the area into header and content
 799 |         let chunks = Layout::default()
 800 |             .direction(Direction::Vertical)
 801 |             .constraints([
 802 |                 Constraint::Length(6), // Header (increased for richer metadata)
 803 |                 Constraint::Min(0),    // Content
 804 |             ])
 805 |             .split(area);
 806 | 
 807 |         // Create header with rich styling and icons
 808 |         let mut header_lines = vec![
 809 |             // Title with icon
 810 |             Line::from(vec![
 811 |                 Span::styled("  ", Style::default().fg(MUTED_COLOR)),
 812 |                 Span::styled(
 813 |                     &item.title,
 814 |                     Style::default()
 815 |                         .fg(HIGHLIGHT_COLOR)
 816 |                         .add_modifier(Modifier::BOLD),
 817 |                 ),
 818 |             ]),
 819 |             // Separator line
 820 |             Line::from(vec![
 821 |                 Span::styled("  ", Style::default().fg(MUTED_COLOR)),
 822 |                 Span::styled(
 823 |                     "─".repeat(
 824 |                         (chunks[0].width as usize)
 825 |                             .saturating_sub(4)
 826 |                             .min(item.title.width()),
 827 |                     ),
 828 |                     Style::default().fg(BORDER_COLOR),
 829 |                 ),
 830 |             ]),
 831 |         ];
 832 | 
 833 |         // Add read status with icon
 834 |         if let (Some(feed_idx), Some(item_idx)) = (app.selected_feed, app.selected_item) {
 835 |             let is_read = app.is_item_read(feed_idx, item_idx);
 836 |             header_lines.push(Line::from(vec![
 837 |                 Span::styled("  ", Style::default().fg(MUTED_COLOR)),
 838 |                 Span::styled(
 839 |                     if is_read { "✓ " } else { "✗ " },
 840 |                     Style::default().fg(if is_read {
 841 |                         HIGHLIGHT_COLOR
 842 |                     } else {
 843 |                         MUTED_COLOR
 844 |                     }),
 845 |                 ),
 846 |                 Span::styled("Status: ", Style::default().fg(SECONDARY_COLOR)),
 847 |                 Span::styled(
 848 |                     if is_read { "Read" } else { "Unread" },
 849 |                     Style::default().fg(if is_read {
 850 |                         HIGHLIGHT_COLOR
 851 |                     } else {
 852 |                         MUTED_COLOR
 853 |                     }),
 854 |                 ),
 855 |             ]));
 856 |         }
 857 |         // Add publication date with icon
 858 |         if let Some(date) = &item.formatted_date {
 859 |             header_lines.push(Line::from(vec![
 860 |                 Span::styled("  ", Style::default().fg(MUTED_COLOR)),
 861 |                 Span::styled(
 862 |                     "🕒 ",
 863 |                     Style::default()
 864 |                         .fg(PRIMARY_COLOR)
 865 |                         .add_modifier(Modifier::BOLD),
 866 |                 ),
 867 |                 Span::styled("Published: ", Style::default().fg(SECONDARY_COLOR)),
 868 |                 Span::styled(date, Style::default().fg(TEXT_COLOR)),
 869 |             ]));
 870 |         }
 871 | 
 872 |         // Add author with icon
 873 |         if let Some(author) = &item.author {
 874 |             header_lines.push(Line::from(vec![
 875 |                 Span::styled("  ", Style::default().fg(MUTED_COLOR)),
 876 |                 Span::styled(
 877 |                     "👤 ",
 878 |                     Style::default()
 879 |                         .fg(PRIMARY_COLOR)
 880 |                         .add_modifier(Modifier::BOLD),
 881 |                 ),
 882 |                 Span::styled("Author: ", Style::default().fg(SECONDARY_COLOR)),
 883 |                 Span::styled(author, Style::default().fg(TEXT_COLOR)),
 884 |             ]));
 885 |         }
 886 | 
 887 |         // Add link with visual cue
 888 |         if let Some(link) = &item.link {
 889 |             header_lines.push(Line::from(vec![
 890 |                 Span::styled("  ", Style::default().fg(MUTED_COLOR)),
 891 |                 Span::styled(
 892 |                     "🔗 ",
 893 |                     Style::default()
 894 |                         .fg(PRIMARY_COLOR)
 895 |                         .add_modifier(Modifier::BOLD),
 896 |                 ),
 897 |                 Span::styled("Link: ", Style::default().fg(SECONDARY_COLOR)),
 898 |                 Span::styled(
 899 |                     truncate_url(link, 40),
 900 |                     Style::default()
 901 |                         .fg(ACCENT_COLOR)
 902 |                         .add_modifier(Modifier::UNDERLINED),
 903 |                 ),
 904 |             ]));
 905 | 
 906 |             // Add guidance for opening in browser
 907 |             header_lines.push(Line::from(vec![
 908 |                 Span::styled("  ", Style::default().fg(MUTED_COLOR)),
 909 |                 Span::styled("  └─ Press ", Style::default().fg(BORDER_COLOR)),
 910 |                 Span::styled(
 911 |                     "'o'",
 912 |                     Style::default()
 913 |                         .fg(HIGHLIGHT_COLOR)
 914 |                         .add_modifier(Modifier::BOLD),
 915 |                 ),
 916 |                 Span::styled(" to open in browser", Style::default().fg(BORDER_COLOR)),
 917 |             ]));
 918 |         }
 919 | 
 920 |         let header = Paragraph::new(header_lines)
 921 |             .block(
 922 |                 Block::default()
 923 |                     .title(" 📄 Article Details ")
 924 |                     .title_alignment(Alignment::Center)
 925 |                     .borders(Borders::ALL)
 926 |                     .border_type(NORMAL_BORDER)
 927 |                     .border_style(Style::default().fg(PRIMARY_COLOR))
 928 |                     .padding(Padding::new(1, 1, 0, 0)),
 929 |             )
 930 |             .style(Style::default().fg(TEXT_COLOR));
 931 | 
 932 |         f.render_widget(header, chunks[0]);
 933 | 
 934 |         // Render content with HTML converted to plain text and formatted
 935 |         let description = if let Some(desc) = &item.description {
 936 |             from_read(desc.as_bytes(), 80)
 937 |         } else {
 938 |             "No description available".to_string()
 939 |         };
 940 | 
 941 |         // Create content paragraph with enhanced formatting
 942 |         let content = Paragraph::new(description)
 943 |             .block(
 944 |                 Block::default()
 945 |                     .title(" 📝 Content ")
 946 |                     .title_alignment(Alignment::Center)
 947 |                     .borders(Borders::ALL)
 948 |                     .border_type(NORMAL_BORDER)
 949 |                     .border_style(Style::default().fg(PRIMARY_COLOR))
 950 |                     .padding(Padding::new(1, 1, 1, 1)),
 951 |             )
 952 |             .style(Style::default().fg(TEXT_COLOR))
 953 |             .wrap(Wrap { trim: true });
 954 | 
 955 |         f.render_widget(content, chunks[1]);
 956 |     }
 957 | }
 958 | 
 959 | fn render_help_bar<B: Backend>(f: &mut Frame<B>, app: &App, area: Rect) {
 960 |     // Match on the input mode and view to determine the help text and style
 961 |     let (help_text, _style) = match app.input_mode {
 962 |         InputMode::Normal => {
 963 |             let help_text = match app.view {
 964 |                 View::Dashboard => {
 965 |                     if app.feeds.is_empty() {
 966 |                         "a: Add feed | q: Quit | CTRL+C: Manage categories"
 967 |                     } else {
 968 |                         "↑/↓: Navigate | ENTER: View feed | a: Add feed | r: Refresh | f: Filter | /: Search | q: Quit"
 969 |                     }
 970 |                 }
 971 |                 View::FeedList => {
 972 |                     if app.feeds.is_empty() {
 973 |                         "a: Add feed | q: Quit | TAB: Dashboard | CTRL+C: Categories"
 974 |                     } else {
 975 |                         "a: Add feed | c: Assign to category | DEL: Remove feed | ENTER: Open | q: Quit | CTRL+C: Categories"
 976 |                     }
 977 |                 }
 978 |                 View::CategoryManagement => {
 979 |                     "n: New category | e: Edit | d: Delete | SPACE: Toggle feeds | c: Add selected feed | ESC/q: Back"
 980 |                 }
 981 |                 View::FeedItems => {
 982 |                     "h/esc: back to feeds | home: dashboard | enter: view detail | o: open link | /: search | q: quit"
 983 |                 }
 984 |                 View::FeedItemDetail => {
 985 |                     "h/esc: back | home: dashboard | o: open in browser | q: quit"
 986 |                 }
 987 |             };
 988 |             (help_text, Style::default().fg(TEXT_COLOR))
 989 |         }
 990 |         InputMode::InsertUrl => ("Enter feed URL (e.g., https://news.ycombinator.com/rss)", Style::default().fg(HIGHLIGHT_COLOR)),
 991 |         InputMode::SearchMode => ("Enter search term (press ENTER to search)", Style::default().fg(HIGHLIGHT_COLOR)),
 992 |         InputMode::FilterMode => ("", Style::default().fg(MUTED_COLOR)),
 993 |         InputMode::CategoryNameInput => ("", Style::default().fg(MUTED_COLOR)),
 994 |         InputMode::CategoryMode => ("", Style::default().fg(MUTED_COLOR)),
 995 |     };
 996 | 
 997 |     // Only show help bar in normal mode
 998 |     if matches!(app.input_mode, InputMode::Normal) {
 999 |         // Create a stylized help bar with visually separated commands
1000 |         let parts: Vec<&str> = help_text.split('|').collect();
1001 |         let mut spans = Vec::new();
1002 | 
1003 |         for (idx, part) in parts.iter().enumerate() {
1004 |             let trimmed = part.trim();
1005 | 
1006 |             // Extract the command key and description
1007 |             if let Some(pos) = trimmed.find(':') {
1008 |                 let (key, desc) = trimmed.split_at(pos + 1);
1009 | 
1010 |                 // Add the key in highlight color
1011 |                 spans.push(Span::styled(
1012 |                     key,
1013 |                     Style::default()
1014 |                         .fg(HIGHLIGHT_COLOR)
1015 |                         .add_modifier(Modifier::BOLD),
1016 |                 ));
1017 | 
1018 |                 // Add the description in normal text color
1019 |                 spans.push(Span::styled(desc, Style::default().fg(TEXT_COLOR)));
1020 |             } else {
1021 |                 spans.push(Span::styled(trimmed, Style::default().fg(TEXT_COLOR)));
1022 |             }
1023 | 
1024 |             // Add separator unless this is the last item
1025 |             if idx < parts.len() - 1 {
1026 |                 spans.push(Span::styled(" | ", Style::default().fg(BORDER_COLOR)));
1027 |             }
1028 |         }
1029 | 
1030 |         let help = Paragraph::new(Line::from(spans))
1031 |             .alignment(Alignment::Center)
1032 |             .block(
1033 |                 Block::default()
1034 |                     .borders(Borders::ALL)
1035 |                     .border_type(NORMAL_BORDER)
1036 |                     .border_style(Style::default().fg(PRIMARY_COLOR))
1037 |                     .title(" 💡 Commands ")
1038 |                     .title_alignment(Alignment::Center),
1039 |             );
1040 |         f.render_widget(help, area);
1041 |     }
1042 | }
1043 | 
1044 | fn render_error_modal<B: Backend>(f: &mut Frame<B>, error: &str) {
1045 |     let area = centered_rect(60, 25, f.size());
1046 | 
1047 |     // Clear the background
1048 |     f.render_widget(Clear, area);
1049 | 
1050 |     // Create a visually appealing error box
1051 |     let error_lines = vec![
1052 |         Line::from(Span::styled(
1053 |             "  ⚠️  ERROR  ⚠️  ",
1054 |             Style::default()
1055 |                 .fg(ERROR_COLOR)
1056 |                 .add_modifier(Modifier::BOLD),
1057 |         )),
1058 |         Line::from(""),
1059 |         Line::from(Span::styled(error, Style::default().fg(TEXT_COLOR))),
1060 |         Line::from(""),
1061 |         Line::from(Span::styled(
1062 |             "Press any key to dismiss",
1063 |             Style::default().fg(MUTED_COLOR),
1064 |         )),
1065 |     ];
1066 | 
1067 |     let error_text = Paragraph::new(error_lines)
1068 |         .block(
1069 |             Block::default()
1070 |                 .borders(Borders::ALL)
1071 |                 .border_type(ACTIVE_BORDER)
1072 |                 .border_style(Style::default().fg(ERROR_COLOR))
1073 |                 .padding(Padding::new(2, 2, 1, 1)),
1074 |         )
1075 |         .alignment(Alignment::Center)
1076 |         .wrap(Wrap { trim: true });
1077 | 
1078 |     f.render_widget(error_text, area);
1079 | }
1080 | 
1081 | fn render_input_modal<B: Backend>(f: &mut Frame<B>, app: &App) {
1082 |     let area = centered_rect(70, 20, f.size());
1083 | 
1084 |     // Clear the background with semi-transparent effect
1085 |     f.render_widget(Clear, area);
1086 | 
1087 |     // Create modal title and help text based on mode
1088 |     let (title, help_text, icon) = if matches!(app.input_mode, InputMode::InsertUrl) {
1089 |         (
1090 |             " Add Feed URL ",
1091 |             "Enter the RSS feed URL and press Enter",
1092 |             "🔗",
1093 |         )
1094 |     } else {
1095 |         (" Search ", "Enter search terms and press Enter", "🔍")
1096 |     };
1097 | 
1098 |     // Create an attractive input box
1099 |     let mut lines = Vec::new();
1100 | 
1101 |     // Add icon and title
1102 |     lines.push(Line::from(vec![
1103 |         Span::styled(
1104 |             format!("  {}  ", icon),
1105 |             Style::default().fg(SECONDARY_COLOR),
1106 |         ),
1107 |         Span::styled(
1108 |             title,
1109 |             Style::default()
1110 |                 .fg(HIGHLIGHT_COLOR)
1111 |                 .add_modifier(Modifier::BOLD),
1112 |         ),
1113 |     ]));
1114 | 
1115 |     // Add help text
1116 |     lines.push(Line::from(vec![Span::styled(
1117 |         format!("  {}  ", help_text),
1118 |         Style::default().fg(MUTED_COLOR),
1119 |     )]));
1120 | 
1121 |     // Add spacer
1122 |     lines.push(Line::from(""));
1123 | 
1124 |     // Add input field with cursor
1125 |     let input_display = format!("{}█", app.input);
1126 |     lines.push(Line::from(vec![
1127 |         Span::styled("  > ", Style::default().fg(PRIMARY_COLOR)),
1128 |         Span::styled(
1129 |             input_display,
1130 |             Style::default()
1131 |                 .fg(ACCENT_COLOR)
1132 |                 .add_modifier(Modifier::BOLD),
1133 |         ),
1134 |     ]));
1135 | 
1136 |     // Add controls help
1137 |     lines.push(Line::from(""));
1138 |     lines.push(Line::from(vec![Span::styled(
1139 |         "  Press Enter to submit or Esc to cancel  ",
1140 |         Style::default().fg(TEXT_COLOR),
1141 |     )]));
1142 | 
1143 |     let input_paragraph = Paragraph::new(lines).block(
1144 |         Block::default()
1145 |             .borders(Borders::ALL)
1146 |             .border_type(ACTIVE_BORDER)
1147 |             .border_style(Style::default().fg(PRIMARY_COLOR))
1148 |             .padding(Padding::new(2, 2, 1, 1)),
1149 |     );
1150 | 
1151 |     f.render_widget(input_paragraph, area);
1152 | }
1153 | 
1154 | fn render_filter_modal<B: Backend>(f: &mut Frame<B>, app: &App) {
1155 |     let area = centered_rect(70, 60, f.size());
1156 | 
1157 |     // Clear the area
1158 |     f.render_widget(Clear, area);
1159 | 
1160 |     // Create filter selection UI
1161 |     let mut text = Vec::new();
1162 | 
1163 |     // Header
1164 |     text.push(Line::from(vec![
1165 |         Span::styled("  🔍  ", Style::default().fg(PRIMARY_COLOR)),
1166 |         Span::styled(
1167 |             "Feed Filters",
1168 |             Style::default()
1169 |                 .fg(HIGHLIGHT_COLOR)
1170 |                 .add_modifier(Modifier::BOLD),
1171 |         ),
1172 |     ]));
1173 | 
1174 |     text.push(Line::from(""));
1175 |     text.push(Line::from("  Select filters to apply to your feed items:"));
1176 |     text.push(Line::from(""));
1177 | 
1178 |     // Category filter
1179 |     let available_categories = app.get_available_categories();
1180 |     let category_status = match &app.filter_options.category {
1181 |         Some(cat) => format!("[{}]", cat),
1182 |         None => "[Off]".to_string(),
1183 |     };
1184 | 
1185 |     text.push(Line::from(vec![
1186 |         Span::styled("  c - Category: ", Style::default().fg(TEXT_COLOR)),
1187 |         Span::styled(
1188 |             category_status,
1189 |             Style::default().fg(if app.filter_options.category.is_some() {
1190 |                 HIGHLIGHT_COLOR
1191 |             } else {
1192 |                 MUTED_COLOR
1193 |             }),
1194 |         ),
1195 |         Span::styled(
1196 |             if !available_categories.is_empty() {
1197 |                 format!(" ({})", available_categories.join(", "))
1198 |             } else {
1199 |                 "".to_string()
1200 |             },
1201 |             Style::default().fg(MUTED_COLOR),
1202 |         ),
1203 |     ]));
1204 | 
1205 |     // Age filter
1206 |     let age_status = match &app.filter_options.age {
1207 |         Some(age) => {
1208 |             let age_str = match age {
1209 |                 TimeFilter::Today => "Today",
1210 |                 TimeFilter::ThisWeek => "This Week",
1211 |                 TimeFilter::ThisMonth => "This Month",
1212 |                 TimeFilter::Older => "Older",
1213 |             };
1214 |             format!("[{}]", age_str)
1215 |         }
1216 |         None => "[Off]".to_string(),
1217 |     };
1218 | 
1219 |     text.push(Line::from(vec![
1220 |         Span::styled("  t - Time/Age: ", Style::default().fg(TEXT_COLOR)),
1221 |         Span::styled(
1222 |             age_status,
1223 |             Style::default().fg(if app.filter_options.age.is_some() {
1224 |                 HIGHLIGHT_COLOR
1225 |             } else {
1226 |                 MUTED_COLOR
1227 |             }),
1228 |         ),
1229 |     ]));
1230 | 
1231 |     // Author filter
1232 |     let author_status = match app.filter_options.has_author {
1233 |         Some(true) => "[With author]",
1234 |         Some(false) => "[No author]",
1235 |         None => "[Off]",
1236 |     };
1237 | 
1238 |     text.push(Line::from(vec![
1239 |         Span::styled("  a - Author: ", Style::default().fg(TEXT_COLOR)),
1240 |         Span::styled(
1241 |             author_status,
1242 |             Style::default().fg(if app.filter_options.has_author.is_some() {
1243 |                 HIGHLIGHT_COLOR
1244 |             } else {
1245 |                 MUTED_COLOR
1246 |             }),
1247 |         ),
1248 |     ]));
1249 | 
1250 |     // Read status filter
1251 |     let read_status = match app.filter_options.read_status {
1252 |         Some(true) => "[Read]",
1253 |         Some(false) => "[Unread]",
1254 |         None => "[Off]",
1255 |     };
1256 | 
1257 |     text.push(Line::from(vec![
1258 |         Span::styled("  r - Read status: ", Style::default().fg(TEXT_COLOR)),
1259 |         Span::styled(
1260 |             read_status,
1261 |             Style::default().fg(if app.filter_options.read_status.is_some() {
1262 |                 HIGHLIGHT_COLOR
1263 |             } else {
1264 |                 MUTED_COLOR
1265 |             }),
1266 |         ),
1267 |     ]));
1268 | 
1269 |     // Length filter
1270 |     let length_status = match app.filter_options.min_length {
1271 |         Some(100) => "[Short]",
1272 |         Some(500) => "[Medium]",
1273 |         Some(1000) => "[Long]",
1274 |         Some(n) => &format!("[{} chars]", n),
1275 |         None => "[Off]",
1276 |     };
1277 | 
1278 |     text.push(Line::from(vec![
1279 |         Span::styled("  l - Length: ", Style::default().fg(TEXT_COLOR)),
1280 |         Span::styled(
1281 |             length_status,
1282 |             Style::default().fg(if app.filter_options.min_length.is_some() {
1283 |                 HIGHLIGHT_COLOR
1284 |             } else {
1285 |                 MUTED_COLOR
1286 |             }),
1287 |         ),
1288 |     ]));
1289 | 
1290 |     // Clear filters option
1291 |     text.push(Line::from(""));
1292 |     text.push(Line::from(vec![
1293 |         Span::styled("  x - ", Style::default().fg(TEXT_COLOR)),
1294 |         Span::styled("Clear all filters", Style::default().fg(ERROR_COLOR)),
1295 |     ]));
1296 | 
1297 |     text.push(Line::from(""));
1298 |     text.push(Line::from(""));
1299 | 
1300 |     // Update the filter statistics
1301 |     let (active_count, filtered_count, total_count) = app.get_filter_stats();
1302 | 
1303 |     text.push(Line::from(vec![Span::styled(
1304 |         format!(
1305 |             "  Active Filters: {}/5  |  Showing: {}/{} items",
1306 |             active_count, filtered_count, total_count
1307 |         ),
1308 |         Style::default().fg(MUTED_COLOR),
1309 |     )]));
1310 | 
1311 |     // Add the filter summary
1312 |     if active_count > 0 {
1313 |         text.push(Line::from(""));
1314 |         text.push(Line::from(vec![Span::styled(
1315 |             format!("  Current filters: {}", app.get_filter_summary()),
1316 |             Style::default().fg(SECONDARY_COLOR),
1317 |         )]));
1318 |     }
1319 | 
1320 |     text.push(Line::from(""));
1321 |     text.push(Line::from(vec![Span::styled(
1322 |         "  Press Esc to close this dialog",
1323 |         Style::default().fg(TEXT_COLOR),
1324 |     )]));
1325 | 
1326 |     let filter_paragraph = Paragraph::new(text).block(
1327 |         Block::default()
1328 |             .borders(Borders::ALL)
1329 |             .border_type(ACTIVE_BORDER)
1330 |             .border_style(Style::default().fg(PRIMARY_COLOR))
1331 |             .title(" Filter Options ")
1332 |             .title_alignment(Alignment::Center)
1333 |             .padding(Padding::new(2, 2, 1, 1)),
1334 |     );
1335 | 
1336 |     f.render_widget(filter_paragraph, area);
1337 | }
1338 | 
1339 | // Helper function to create a centered rect using up certain percentage of the available rect
1340 | fn centered_rect(percent_x: u16, percent_y: u16, r: Rect) -> Rect {
1341 |     // Create padding effect with backdrop
1342 |     let _ = Canvas::default()
1343 |         .paint(|ctx| {
1344 |             ctx.draw(&Rectangle {
1345 |                 x: 0.0,
1346 |                 y: 0.0,
1347 |                 width: r.width as f64,
1348 |                 height: r.height as f64,
1349 |                 color: Color::Rgb(0, 0, 0),
1350 |             });
1351 |         })
1352 |         .x_bounds([0.0, r.width as f64])
1353 |         .y_bounds([0.0, r.height as f64]);
1354 | 
1355 |     // Calculate popup dimensions
1356 |     let popup_layout = Layout::default()
1357 |         .direction(Direction::Vertical)
1358 |         .constraints([
1359 |             Constraint::Percentage((100 - percent_y) / 2),
1360 |             Constraint::Percentage(percent_y),
1361 |             Constraint::Percentage((100 - percent_y) / 2),
1362 |         ])
1363 |         .split(r);
1364 | 
1365 |     Layout::default()
1366 |         .direction(Direction::Horizontal)
1367 |         .constraints([
1368 |             Constraint::Percentage((100 - percent_x) / 2),
1369 |             Constraint::Percentage(percent_x),
1370 |             Constraint::Percentage((100 - percent_x) / 2),
1371 |         ])
1372 |         .split(popup_layout[1])[1]
1373 | }
1374 | 
1375 | // Helper function to truncate a URL for display
1376 | fn truncate_url(url: &str, max_length: usize) -> String {
1377 |     // Remove common prefixes for cleaner display
1378 |     let clean_url = url
1379 |         .replace("https://", "")
1380 |         .replace("http://", "")
1381 |         .replace("www.", "");
1382 | 
1383 |     truncate_str(&clean_url, max_length)
1384 | }
1385 | 
1386 | // Helper function to truncate a string with unicode awareness
1387 | fn truncate_str(s: &str, max_chars: usize) -> String {
1388 |     if s.width() <= max_chars {
1389 |         s.to_string()
1390 |     } else {
1391 |         // Find position to truncate while respecting unicode boundaries
1392 |         let mut total_width = 0;
1393 |         let mut truncate_idx = 0;
1394 | 
1395 |         for (idx, c) in s.char_indices() {
1396 |             let char_width = c.width_cjk().unwrap_or(1);
1397 |             if total_width + char_width > max_chars.saturating_sub(3) {
1398 |                 truncate_idx = idx;
1399 |                 break;
1400 |             }
1401 |             total_width += char_width;
1402 |         }
1403 | 
1404 |         if truncate_idx > 0 {
1405 |             format!("{}...", &s[..truncate_idx])
1406 |         } else {
1407 |             // Fallback if we couldn't properly calculate (shouldn't happen often)
1408 |             format!("{}...", &s[..max_chars.saturating_sub(3)])
1409 |         }
1410 |     }
1411 | }
1412 | 
1413 | // Update the render_category_management function to show feeds when a category is expanded
1414 | fn render_category_management<B: Backend>(f: &mut Frame<B>, app: &App, area: Rect) {
1415 |     let chunks = Layout::default()
1416 |         .direction(Direction::Vertical)
1417 |         .constraints([
1418 |             Constraint::Length(3),  // Title
1419 |             Constraint::Min(3),     // Category list
1420 |             Constraint::Length(5),  // Help text
1421 |         ])
1422 |         .split(area);
1423 | 
1424 |     // Add a title block
1425 |     let title = match &app.category_action {
1426 |         Some(CategoryAction::AddFeedToCategory(url)) => {
1427 |             // Show which feed is being assigned to a category
1428 |             let feed_idx = app.feeds.iter().position(|f| f.url == *url);
1429 |             let feed_title = feed_idx
1430 |                 .and_then(|idx| app.feeds.get(idx))
1431 |                 .map_or("Unknown Feed", |feed| feed.title.as_str());
1432 |             format!(" 📂 Add '{}' to Category ", truncate_str(feed_title, 30))
1433 |         }
1434 |         _ => " 📂 Category Management ".to_string(),
1435 |     };
1436 | 
1437 |     let title_block = Block::default()
1438 |         .borders(Borders::ALL)
1439 |         .border_type(NORMAL_BORDER)
1440 |         .title(title)
1441 |         .title_alignment(Alignment::Center)
1442 |         .border_style(Style::default().fg(PRIMARY_COLOR));
1443 | 
1444 |     f.render_widget(title_block, chunks[0]);
1445 | 
1446 |     // Prepare list items for categories and their feeds
1447 |     let mut list_items = Vec::new();
1448 |     let mut list_indices = Vec::new();  // To map UI index to category index
1449 |     
1450 |     if app.categories.is_empty() {
1451 |         list_items.push(ListItem::new(Line::from(Span::styled(
1452 |             "No categories yet. Press 'n' to create a new category.",
1453 |             Style::default().fg(MUTED_COLOR),
1454 |         ))));
1455 |     } else {
1456 |         for (cat_idx, category) in app.categories.iter().enumerate() {
1457 |             // Add category to the list
1458 |             let icon = if category.expanded { "▼" } else { "▶" };
1459 |             let feed_count = category.feed_count();
1460 |             let count_text = if feed_count == 1 {
1461 |                 "1 feed".to_string()
1462 |             } else {
1463 |                 format!("{} feeds", feed_count)
1464 |             };
1465 |             
1466 |             let style = if Some(cat_idx) == app.selected_category {
1467 |                 Style::default().fg(HIGHLIGHT_COLOR).add_modifier(Modifier::BOLD)
1468 |             } else {
1469 |                 Style::default().fg(TEXT_COLOR)
1470 |             };
1471 |             
1472 |             list_items.push(ListItem::new(Line::from(Span::styled(
1473 |                 format!("{} {} ({})", icon, category.name, count_text),
1474 |                 style,
1475 |             ))));
1476 |             list_indices.push(Some(cat_idx));
1477 |             
1478 |             // If category is expanded, show its feeds
1479 |             if category.expanded {
1480 |                 let feeds_in_category = app.feeds.iter()
1481 |                     .enumerate()
1482 |                     .filter(|(_, feed)| category.contains_feed(&feed.url))
1483 |                     .collect::<Vec<_>>();
1484 |                 
1485 |                 for (feed_idx, feed) in &feeds_in_category {
1486 |                     let feed_style = if Some(*feed_idx) == app.selected_feed {
1487 |                         Style::default().fg(ACCENT_COLOR)
1488 |                     } else {
1489 |                         Style::default().fg(MUTED_COLOR)
1490 |                     };
1491 |                     
1492 |                     list_items.push(ListItem::new(Line::from(Span::styled(
1493 |                         format!("   → {}", truncate_str(&feed.title, 40)),
1494 |                         feed_style,
1495 |                     ))));
1496 |                     list_indices.push(None);  // None means this is a feed, not a category
1497 |                 }
1498 |                 
1499 |                 // Show a message if the category is empty
1500 |                 if feeds_in_category.is_empty() {
1501 |                     list_items.push(ListItem::new(Line::from(Span::styled(
1502 |                         "   (No feeds in this category)",
1503 |                         Style::default().fg(MUTED_COLOR),
1504 |                     ))));
1505 |                     list_indices.push(None);
1506 |                 }
1507 |             }
1508 |         }
1509 |     }
1510 | 
1511 |     let categories_list = List::new(list_items)
1512 |         .block(
1513 |             Block::default()
1514 |                 .borders(Borders::ALL)
1515 |                 .border_type(NORMAL_BORDER)
1516 |                 .title(" Categories ")
1517 |                 .border_style(Style::default().fg(SECONDARY_COLOR)),
1518 |         )
1519 |         .highlight_style(
1520 |             Style::default()
1521 |                 .bg(PRIMARY_COLOR)
1522 |                 .fg(Color::Black)
1523 |                 .add_modifier(Modifier::BOLD),
1524 |         );
1525 | 
1526 |     // Create a mutable ListState based on the selected category
1527 |     let mut list_state = ListState::default();
1528 |     if let Some(selected_idx) = app.selected_category {
1529 |         // Find the corresponding index in the UI list (may differ due to expanded feeds)
1530 |         if let Some(ui_idx) = list_indices.iter().position(|&cat_idx| cat_idx == Some(selected_idx)) {
1531 |             list_state.select(Some(ui_idx));
1532 |         }
1533 |     }
1534 |     
1535 |     f.render_stateful_widget(categories_list, chunks[1], &mut list_state);
1536 | 
1537 |     // Render help text
1538 |     let help_text = if let Some(CategoryAction::AddFeedToCategory(_)) = &app.category_action {
1539 |         "ENTER: Add to category | ESC/q: Cancel | UP/DOWN: Navigate"
1540 |     } else {
1541 |         "n: New category | e: Edit | d: Delete | SPACE: Toggle feeds | c: Add selected feed | ESC/q: Back"
1542 |     };
1543 | 
1544 |     let help_block = Block::default()
1545 |         .borders(Borders::ALL)
1546 |         .border_type(NORMAL_BORDER)
1547 |         .title(" Controls ")
1548 |         .border_style(Style::default().fg(MUTED_COLOR));
1549 | 
1550 |     let help_para = Paragraph::new(help_text)
1551 |         .block(help_block)
1552 |         .alignment(Alignment::Center)
1553 |         .wrap(Wrap { trim: true });
1554 | 
1555 |     f.render_widget(help_para, chunks[2]);
1556 | }
1557 | 
1558 | // Add a new function to render the category name input modal
1559 | fn render_category_input_modal<B: Backend>(f: &mut Frame<B>, app: &App) {
1560 |     let area = centered_rect(60, 20, f.size());
1561 |     
1562 |     // Clear the area behind the modal
1563 |     f.render_widget(Clear, area);
1564 |     
1565 |     let chunks = Layout::default()
1566 |         .direction(Direction::Vertical)
1567 |         .margin(1)
1568 |         .constraints([
1569 |             Constraint::Length(3),  // Title
1570 |             Constraint::Length(3),  // Input field
1571 |             Constraint::Length(1),  // Spacer
1572 |             Constraint::Length(3),  // Help text
1573 |         ])
1574 |         .split(area);
1575 |     
1576 |     // Determine title based on the current action
1577 |     let title = match &app.category_action {
1578 |         Some(CategoryAction::Create) => " Create New Category ",
1579 |         Some(CategoryAction::Rename(_)) => " Rename Category ",
1580 |         _ => " Category Name ",
1581 |     };
1582 |     
1583 |     // Create title block
1584 |     let title_block = Block::default()
1585 |         .borders(Borders::ALL)
1586 |         .title(title)
1587 |         .title_alignment(Alignment::Center)
1588 |         .border_style(Style::default().fg(PRIMARY_COLOR));
1589 |     
1590 |     f.render_widget(title_block, chunks[0]);
1591 |     
1592 |     // Create input field
1593 |     let input_block = Block::default()
1594 |         .borders(Borders::ALL)
1595 |         .title(" Name ")
1596 |         .border_style(Style::default().fg(SECONDARY_COLOR));
1597 |     
1598 |     let input_text = Paragraph::new(app.input.as_str())
1599 |         .block(input_block)
1600 |         .style(Style::default().fg(HIGHLIGHT_COLOR));
1601 |     
1602 |     f.render_widget(input_text, chunks[1]);
1603 |     
1604 |     // Position cursor at the end of input
1605 |     let cursor_x = app.input.width() as u16 + chunks[1].x + 1; // +1 for border
1606 |     let cursor_y = chunks[1].y + 1;
1607 |     f.set_cursor(cursor_x, cursor_y);
1608 |     
1609 |     // Help text
1610 |     let help_block = Block::default()
1611 |         .borders(Borders::ALL)
1612 |         .title(" Controls ")
1613 |         .border_style(Style::default().fg(MUTED_COLOR));
1614 |     
1615 |     let help_text = "ENTER: Confirm | ESC: Cancel";
1616 |     let help_para = Paragraph::new(help_text)
1617 |         .block(help_block)
1618 |         .alignment(Alignment::Center);
1619 |     
1620 |     f.render_widget(help_para, chunks[3]);
1621 | }
1622 | 


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