├── LICENSE
├── README.md
├── chat_serv
    ├── Cargo.lock
    ├── Cargo.toml
    └── src
    │   ├── j_read.rs
    │   ├── j_write.rs
    │   └── main.rs
├── chatbox
    ├── Cargo.lock
    ├── Cargo.toml
    └── src
    │   └── lib.rs
├── mdrend
    ├── Cargo.lock
    ├── Cargo.toml
    ├── src
    │   └── main.rs
    └── test_data
    │   └── hello.md
├── pgrep
    ├── Cargo.lock
    ├── Cargo.toml
    ├── src
    │   └── main.rs
    └── test_data
    │   ├── t1.txt
    │   └── t2.txt
├── shop_base
    ├── Cargo.lock
    ├── Cargo.toml
    ├── diesel.toml
    ├── migrations
    │   ├── 00000000000000_diesel_initial_setup
    │   │   ├── down.sql
    │   │   └── up.sql
    │   └── 2019-03-26-103937_create_items
    │   │   ├── down.sql
    │   │   └── up.sql
    └── src
    │   ├── cli.rs
    │   ├── lib.rs
    │   ├── models.rs
    │   └── schema.rs
└── shop_site
    ├── Cargo.lock
    ├── Cargo.toml
    ├── src
        └── main.rs
    └── test_site
        ├── static
            └── index.html
        └── templates
            └── item_list.html


/LICENSE:
--------------------------------------------------------------------------------
 1 | MIT License
 2 | 
 3 | Copyright (c) 2018 Packt
 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 | 
 2 | 
 3 | 
 4 | # Rust-Projects
 5 | This is the code repository for [Rust Projects [Video]](https://www.packtpub.com/in/programming/rust-projects-video), published by [Packt](https://www.packtpub.com/?utm_source=github). It contains all the supporting project files necessary to work through the video course from start to finish.
 6 | ## About the Video Course
 7 | The Rust programming language is a boon for systems programmers because of its powerful and expressive type system and strict compile-time static analysis. Still, there are best practices to follow and idioms that the community has developed over time. This course tackles testing, building and distributing applications, and other real-world challenges using Rust, Cargo, and the Rustup toolchain manager.
 8 | You will build four projects, including a search tool, a Markdown parser, a chat server and client, and a blog. In this course, we’ll progress from command line applications, built with proper command line argument parsing and error handling, to more complex applications like a GUI text editor and several web applications. We’ll explore asynchronous programming and concurrent programming in Rust using real-world scenarios like file searching and stress testing. Finally, we’ll build a simple web app that interacts with a database in a type-safe manner using Diesel.
 9 | By the end of the course, you will be adept with the knowledge of Rust to practically implement it in real-world projects. You’ll know enough to build high-quality software that can be shared with the rest of the Rust community or even used in production.
10 | 
11 | The code bundle for this video course is available at: https://github.com/PacktPublishing/Rust-Projects
12 | 
13 | <H2>What You Will Learn</H2>
14 | <DIV class=book-info-will-learn-text>
15 | <UL>
16 | <LI> Building command line interfaces in Rust with CLAP
17 | <LI> Creating web applications with Rocket
18 | <LI> Accessing a database in a typesafe manner
19 | <LI> Handling errors gracefully and idiomatically
20 | <LI> Organizing code with crates and workspaces
21 | <LI> Packaging and distribute Rust applications and libraries</UL></DIV>
22 | 
23 | ## Instructions and Navigation
24 | ### Assumed Knowledge
25 | To fully benefit from the coverage included in this course, you will need:<br/>
26 | This video is for Rust developers who would like to practically implement the Rust programming knowledge. Basic Rust knowledge is assumed.
27 | ### Technical Requirements
28 | This course has the following software requirements:<br/>
29 | Operating system: Windows/Mac/Linux Ubuntu <br/>
30 | Browser: Any <br/>
31 | Rustup >1.11, downloadable at https://rustup.rs/ <br/>
32 | PostgreSQL 9 or 10, downloadable at https://www.postgresql.org/ <br/>
33 | 
34 | 
35 | 
36 | 
37 | ## Related Products
38 |  [Web Services/REST API Testing with SoapUI+ Real Time Projects [Video]](https://www.packtpub.com/in/application-development/webservicesrest-api-testing-soapui-real-time-projects)
39 | 
40 |  [Hyperledger for Blockchain Applications [Video]](https://www.packtpub.com/in/application-development/hyperledger-blockchain-applications-video)
41 | 
42 |  [RUST: The Easy Way [Video]](https://www.packtpub.com/in/application-development/rustthe-easy-way-video)
43 | 


--------------------------------------------------------------------------------
/chat_serv/Cargo.lock:
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--------------------------------------------------------------------------------
/chat_serv/Cargo.toml:
--------------------------------------------------------------------------------
 1 | [package]
 2 | name = "chat_serv"
 3 | version = "0.1.0"
 4 | authors = ["matthew <matt@storyfeet.com>"]
 5 | edition = "2018"
 6 | 
 7 | [dependencies]
 8 | failure = "0.1.5"
 9 | futures = "0.1.25"
10 | tokio = "0.1.15"
11 | tokio-channel = "0.1.0"
12 | 
13 | serde = "1.0.89"
14 | serde_json = "1.0.38"
15 | serde_derive = "1.0.89"
16 | 
17 | chatbox = {path = "../chatbox/"}
18 | 


--------------------------------------------------------------------------------
/chat_serv/src/j_read.rs:
--------------------------------------------------------------------------------
 1 | use failure::Error;
 2 | use futures::try_ready;
 3 | use tokio::prelude::*;
 4 | 
 5 | enum Rding {
 6 |     Len(usize),
 7 |     Val(usize, Vec<u8>),
 8 | }
 9 | 
10 | pub struct JRead<R: AsyncRead> {
11 |     buf: [u8; 500],
12 |     buflen: usize,
13 |     ptr: usize,
14 |     reading: Rding,
15 |     r: R,
16 | }
17 | 
18 | impl<R: AsyncRead> JRead<R> {
19 |     pub fn new(r: R) -> Self {
20 |         JRead {
21 |             buf: [0; 500],
22 |             buflen: 0,
23 |             ptr: 0,
24 |             reading: Rding::Len(0),
25 |             r,
26 |         }
27 |     }
28 | }
29 | 
30 | impl<R: AsyncRead> Stream for JRead<R> {
31 |     type Item = String;
32 |     type Error = Error;
33 |     fn poll(&mut self) -> Result<Async<Option<Self::Item>>, Self::Error> {
34 |         loop {
35 |             if self.ptr == self.buflen {
36 |                 self.buflen = try_ready! { self.r.poll_read(&mut self.buf)};
37 |                 self.ptr = 0;
38 |             }
39 |             if self.buflen == 0 {
40 |                 return Ok(Async::Ready(None));
41 |             }
42 |             match self.reading {
43 |                 Rding::Len(ref mut nb) => {
44 |                     match self.buf[self.ptr] {
45 |                         b':' => self.reading = Rding::Val(*nb, Vec::new()),
46 |                         v if v >= b'0' && v <= b'9' => {
47 |                             *nb = *nb * 10 + ((v - 48) as usize);
48 |                         }
49 |                         _ => {}
50 |                     }
51 |                     self.ptr += 1;
52 |                 }
53 |                 Rding::Val(n, ref mut v) => {
54 |                     let p_dist = std::cmp::min(self.ptr + n - v.len(), self.buflen);
55 |                     v.append(&mut self.buf[self.ptr..p_dist].to_vec());
56 |                     self.ptr = p_dist;
57 |                     if v.len() == n {
58 |                         let res = String::from_utf8(v.clone())?;
59 |                         self.reading = Rding::Len(0);
60 |                         return Ok(Async::Ready(Some(res)));
61 |                     }
62 |                 }
63 |             }
64 |         }
65 |     }
66 | }
67 | 


--------------------------------------------------------------------------------
/chat_serv/src/j_write.rs:
--------------------------------------------------------------------------------
 1 | use futures::future::Future;
 2 | use futures::try_ready;
 3 | use serde::Serialize;
 4 | use tokio::prelude::*;
 5 | 
 6 | pub struct JWrite<S, W> {
 7 |     in_s: S,
 8 |     out_w: W,
 9 |     buff: Option<Vec<u8>>,
10 | }
11 | 
12 | impl<S, W> JWrite<S, W> {
13 |     pub fn new(in_s: S, out_w: W) -> Self {
14 |         JWrite {
15 |             in_s,
16 |             out_w,
17 |             buff: None,
18 |         }
19 |     }
20 | }
21 | 
22 | impl<S, I, W> Future for JWrite<S, W>
23 | where
24 |     S: Stream<Item = I, Error = ()>,
25 |     I: Serialize,
26 |     W: AsyncWrite,
27 | {
28 |     type Item = ();
29 |     type Error = ();
30 |     fn poll(&mut self) -> Result<Async<Self::Item>, Self::Error> {
31 |         loop {
32 |             match self.buff {
33 |                 None => {
34 |                     let i = match try_ready! {self.in_s.poll()} {
35 |                         Some(v) => v,
36 |                         None => return Ok(Async::Ready(())),
37 |                     };
38 |                     self.buff = serde_json::to_string(&i)
39 |                         .map(|v| v.as_bytes().to_vec())
40 |                         .ok();
41 |                 }
42 |                 Some(ref mut v) => {
43 |                     let n = try_ready! {self.out_w.poll_write(v).map_err(|_| println!("could not write out"))};
44 |                     if n == v.len() {
45 |                         self.buff = None;
46 |                     } else {
47 |                         self.buff = Some(v.split_off(n));
48 |                     }
49 |                 }
50 |             }
51 |         }
52 |     }
53 | }
54 | 


--------------------------------------------------------------------------------
/chat_serv/src/main.rs:
--------------------------------------------------------------------------------
 1 | use tokio::net::TcpListener;
 2 | use tokio::prelude::*;
 3 | use serde_derive::*;
 4 | use chatbox::{ChatBox,Request};
 5 | use tokio_channel::{mpsc,oneshot};
 6 | 
 7 | mod j_read;
 8 | mod j_write;
 9 | 
10 | 
11 | #[derive(Debug,Clone,Serialize,Deserialize)]
12 | pub struct Message{
13 |     name:String,
14 |     tx:String,
15 | }
16 | 
17 | #[derive(Debug,Clone,Serialize,Deserialize)]
18 | pub struct ServerMessage{
19 |     mess:Option<Message>,
20 |     since:Option<usize>,
21 | 
22 | }
23 | 
24 | fn main() {
25 |     let addr = "127.0.0.1:8088".parse().unwrap();
26 |     let lis = TcpListener::bind(&addr).expect("could not bind address");
27 | 
28 |     let (ch_box,ch_s) = ChatBox::new();
29 | 
30 | 
31 |     let fut = lis.incoming().for_each(move |sock|{
32 |         let ch_s = ch_s.clone();
33 |         let (sock_r,sock_w) = sock.split();
34 |         let (fin_s,fin_r) = mpsc::channel(10);
35 |         let write_f = j_write::JWrite::new(fin_r,sock_w);
36 |         tokio::spawn(write_f);
37 |         let rd = j_read::JRead::new(sock_r).for_each(move |s| {
38 |             let v:ServerMessage = serde_json::from_str(&s)?;
39 |             println!("recieved:{:?}",v);
40 |             if let Some(m) = v.mess{
41 |                 let f = ch_s.clone()
42 |                         .send(Request::Put(m))
43 |                         .map(|_|())
44 |                         .map_err(|_|println!("could not send message to chatbox"));
45 |                 tokio::spawn(f);
46 |             }
47 | 
48 |             if let Some(n) = v.since{
49 |                 let (os_s,os_r) = oneshot::channel();
50 |                 let fc = fin_s.clone();
51 |                 let f = ch_s.clone()
52 |                         .send(Request::Since(n,os_s))
53 |                         .map_err(|_|println!("could not send since to chatbox"))
54 |                         .and_then(|_|os_r.map_err(|_|println!("could not get from chatbox oneshot")))
55 |                         .and_then(move |v| fc.send(v).map_err(|_|println!("could not send to fin_c")))
56 |                         .map(|_|());
57 |                 tokio::spawn(f);
58 |             }
59 |             Ok(())
60 |         }).map_err(|_|());
61 |         tokio::spawn(rd);
62 |         Ok(())
63 |     }).map_err(|e|println!("Listening Err :{:?}" ,e));
64 | 
65 |     tokio::run(fut.join(ch_box).map(|_|()));
66 | 
67 |     println!("Hello, world!");
68 | }
69 | 


--------------------------------------------------------------------------------
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--------------------------------------------------------------------------------
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701 | 


--------------------------------------------------------------------------------
/chatbox/Cargo.toml:
--------------------------------------------------------------------------------
 1 | [package]
 2 | name = "chatbox"
 3 | version = "0.1.0"
 4 | authors = ["matthew <matt@storyfeet.com>"]
 5 | edition = "2018"
 6 | 
 7 | [dependencies]
 8 | futures = "0.1.25"
 9 | tokio = "0.1.16"
10 | tokio-channel = "0.1.0"
11 | 


--------------------------------------------------------------------------------
/chatbox/src/lib.rs:
--------------------------------------------------------------------------------
 1 | use futures::Future;
 2 | use std::fmt::Debug;
 3 | use tokio::prelude::*;
 4 | use tokio_channel::{mpsc, oneshot};
 5 | 
 6 | pub enum Request<M> {
 7 |     Put(M),
 8 |     Since(usize, oneshot::Sender<Vec<M>>),
 9 | }
10 | 
11 | pub struct ChatBox<M> {
12 |     store: Vec<M>,
13 |     ch_r: mpsc::Receiver<Request<M>>,
14 | }
15 | 
16 | impl<M> ChatBox<M> {
17 |     pub fn new() -> (Self, mpsc::Sender<Request<M>>) {
18 |         let (ch_s, ch_r) = mpsc::channel(10);
19 |         (
20 |             ChatBox {
21 |                 store: Vec::new(),
22 |                 ch_r,
23 |             },
24 |             ch_s,
25 |         )
26 |     }
27 | }
28 | 
29 | impl<M: Debug + Clone> Future for ChatBox<M> {
30 |     type Item = ();
31 |     type Error = ();
32 |     fn poll(&mut self) -> Result<Async<Self::Item>, Self::Error> {
33 |         loop {
34 |             let rq = match { self.ch_r.poll()? } {
35 |                 Async::NotReady => return Ok(Async::NotReady),
36 |                 Async::Ready(Some(v)) => v,
37 |                 Async::Ready(None) => return Ok(Async::Ready(())),
38 |             };
39 |             match rq {
40 |                 Request::Put(m) => {
41 |                     println!("got message {:?}", m);
42 |                     self.store.push(m);
43 |                 }
44 |                 Request::Since(n, ch) => {
45 |                     println!("got request {:?}", n);
46 |                     let res = if n >= self.store.len() {
47 |                         Vec::new()
48 |                     } else {
49 |                         Vec::from(&self.store[n..])
50 |                     };
51 |                     ch.send(res).ok();
52 |                 }
53 |             }
54 |         }
55 |     }
56 | }
57 | 
58 | #[cfg(test)]
59 | mod tests {
60 |     use super::*;
61 |     use futures::future::lazy;
62 | 
63 |     #[test]
64 |     fn it_works() {
65 |         let (ts_s, ts_r) = mpsc::channel(10);
66 |         let f = lazy(move || {
67 |             let (f, ch_s) = ChatBox::new();
68 |             tokio::spawn(f);
69 |             for i in 0..5 {
70 |                 let tss = ts_s.clone();
71 |                 let ch2 = ch_s.clone();
72 |                 let (os_s, os_r) = oneshot::channel();
73 |                 let f2 = ch_s
74 |                     .clone()
75 |                     .send(Request::Put(i))
76 |                     .and_then(|_| ch2.send(Request::Since(0, os_s)))
77 |                     .map_err(|e| println!("{:?}", e))
78 |                     .and_then(|_| os_r.map_err(|_| ()))
79 |                     .and_then(move |res| {
80 |                         println!("res {} = {:?}", i, res);
81 |                         tss.send(res)
82 |                             .map_err(move |_| println!("could not send {}", i))
83 |                     })
84 |                     .map(|_| ());
85 |                 tokio::spawn(f2);
86 |             }
87 |             Ok(())
88 |         });
89 |         tokio::run(f);
90 | 
91 |         let mut longest = 0;
92 |         for v in ts_r.wait() {
93 |             longest = std::cmp::max(longest, v.unwrap().len());
94 |         }
95 |         assert_eq!(longest, 5);
96 |     }
97 | }
98 | 


--------------------------------------------------------------------------------
/mdrend/Cargo.lock:
--------------------------------------------------------------------------------
  1 | # This file is automatically @generated by Cargo.
  2 | # It is not intended for manual editing.
  3 | [[package]]
  4 | name = "ansi_term"
  5 | version = "0.11.0"
  6 | source = "registry+https://github.com/rust-lang/crates.io-index"
  7 | dependencies = [
  8 |  "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  9 | ]
 10 | 
 11 | [[package]]
 12 | name = "atty"
 13 | version = "0.2.11"
 14 | source = "registry+https://github.com/rust-lang/crates.io-index"
 15 | dependencies = [
 16 |  "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
 17 |  "termion 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
 18 |  "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
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100 | 
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105 | 
106 | [[package]]
107 | name = "pulldown-cmark"
108 | version = "0.4.1"
109 | source = "registry+https://github.com/rust-lang/crates.io-index"
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114 |  "unicase 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
115 | ]
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117 | [[package]]
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120 | source = "registry+https://github.com/rust-lang/crates.io-index"
121 | 
122 | [[package]]
123 | name = "redox_termios"
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126 | dependencies = [
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128 | ]
129 | 
130 | [[package]]
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133 | source = "registry+https://github.com/rust-lang/crates.io-index"
134 | 
135 | [[package]]
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137 | version = "1.5.2"
138 | source = "registry+https://github.com/rust-lang/crates.io-index"
139 | dependencies = [
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144 | ]
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146 | [[package]]
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149 | source = "registry+https://github.com/rust-lang/crates.io-index"
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154 | [[package]]
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160 | ]
161 | 
162 | [[package]]
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164 | version = "0.1.5"
165 | source = "registry+https://github.com/rust-lang/crates.io-index"
166 | 
167 | [[package]]
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169 | version = "0.8.1"
170 | source = "registry+https://github.com/rust-lang/crates.io-index"
171 | 
172 | [[package]]
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174 | version = "0.1.5"
175 | source = "registry+https://github.com/rust-lang/crates.io-index"
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177 | [[package]]
178 | name = "winapi"
179 | version = "0.3.7"
180 | source = "registry+https://github.com/rust-lang/crates.io-index"
181 | dependencies = [
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183 |  "winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
184 | ]
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189 | source = "registry+https://github.com/rust-lang/crates.io-index"
190 | 
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192 | name = "winapi-x86_64-pc-windows-gnu"
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194 | source = "registry+https://github.com/rust-lang/crates.io-index"
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--------------------------------------------------------------------------------
/mdrend/Cargo.toml:
--------------------------------------------------------------------------------
 1 | [package]
 2 | name = "mdrend-dont-use-test123"
 3 | version = "0.1.0"
 4 | authors = ["matthew <matt@storyfeet.com>"]
 5 | edition = "2018"
 6 | license = "MIT"
 7 | keywords = [ "Parse","markdown"]
 8 | description = "Read a markdown file and return a parsed html file"
 9 | 
10 | [dependencies]
11 | 
12 | clap = "2.33.0"
13 | pulldown-cmark = "0.4.1"
14 | maud = "0.20.0"
15 | 
16 | 
17 | 


--------------------------------------------------------------------------------
/mdrend/src/main.rs:
--------------------------------------------------------------------------------
 1 | #![feature(proc_macro_hygiene)]
 2 | 
 3 | use clap::{clap_app, crate_version};
 4 | use maud::html;
 5 | use pulldown_cmark::{html::push_html, Event, Parser};
 6 | 
 7 | fn wrap_html(s:&str,css:Option<&str>)->String{
 8 |     let res = html!{
 9 |         (maud::DOCTYPE)
10 |         html {
11 |             head {
12 |                 meta charset="utf-8";
13 |                 @if let Some(s) = css {
14 |                     link rel="stylesheet" type="text/css" href=(s) {}
15 |                 }
16 | 
17 |             }
18 |             body {
19 |                 (maud::PreEscaped(s))
20 |             }
21 |         }
22 |     };
23 |     res.into_string()
24 | }
25 | 
26 | 
27 | fn main() {
28 |     let clap = clap_app!( mdrend =>
29 |                           (version:crate_version!())
30 |                           (author:"Matt Stoodley")
31 |                           (about:"Renders markdown as you like")
32 |                           (@arg input: +required "Sets the input file")
33 |                           (@arg wrap: -w "Wrap in html")
34 |                           (@arg evnet: -e "Print events")
35 |                           (@arg css: --css +takes_value "Link to css")
36 |     )
37 |     .get_matches();
38 | 
39 |     let infile =
40 |         std::fs::read_to_string(clap.value_of("input").unwrap()).expect("Could not read file");
41 | 
42 |     let ps = Parser::new(&infile);
43 | 
44 |     let ps: Vec<Event> = ps.into_iter().collect();
45 |     if clap.is_present("event") {
46 |         for p in &ps {
47 |             println!("{:?}", p);
48 |         }
49 |     }
50 | 
51 |     
52 |     let mut res = String::new();
53 |     push_html(&mut res, ps.into_iter());
54 | 
55 |     if clap.is_present("wrap"){
56 |         res = wrap_html(&res,clap.value_of("css")); 
57 |     }
58 |     println!("{}", res);
59 | }
60 | 


--------------------------------------------------------------------------------
/mdrend/test_data/hello.md:
--------------------------------------------------------------------------------
1 | Hello
2 | =====
3 | 
4 | Here is a page of markdown *stuff*
5 | 


--------------------------------------------------------------------------------
/pgrep/Cargo.lock:
--------------------------------------------------------------------------------
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 13 | dependencies = [
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 15 | ]
 16 | 
 17 | [[package]]
 18 | name = "atty"
 19 | version = "0.2.11"
 20 | source = "registry+https://github.com/rust-lang/crates.io-index"
 21 | dependencies = [
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 24 |  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 25 | ]
 26 | 
 27 | [[package]]
 28 | name = "autocfg"
 29 | version = "0.1.2"
 30 | source = "registry+https://github.com/rust-lang/crates.io-index"
 31 | 
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 33 | name = "backtrace"
 34 | version = "0.3.13"
 35 | source = "registry+https://github.com/rust-lang/crates.io-index"
 36 | dependencies = [
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 38 |  "backtrace-sys 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
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--------------------------------------------------------------------------------
/pgrep/Cargo.toml:
--------------------------------------------------------------------------------
 1 | [package]
 2 | name = "pgrep"
 3 | version = "0.1.0"
 4 | authors = ["matthew"]
 5 | edition = "2018"
 6 | 
 7 | [dependencies]
 8 | regex = "1.1.0"
 9 | clap = "2.32.0"
10 | failure = "0.1.5"
11 | 


--------------------------------------------------------------------------------
/pgrep/src/main.rs:
--------------------------------------------------------------------------------
 1 | use clap::{clap_app, crate_version};
 2 | use failure::{Error, Fail};
 3 | use regex::Regex;
 4 | 
 5 | use std::path::Path;
 6 | 
 7 | #[derive(Debug, Fail)]
 8 | #[fail(display = "Argument not provided '{}'", arg)]
 9 | struct ArgErr {
10 |     arg: &'static str,
11 | }
12 | 
13 | #[derive(Debug)]
14 | struct Record {
15 |     line: usize,
16 |     tx: String,
17 | }
18 | 
19 | fn process_file<P: AsRef<Path>>(p: P, re: &Regex) -> Result<Vec<Record>, Error> {
20 |     let mut res = Vec::new();
21 |     let bts = std::fs::read(p)?;
22 |     if let Ok(ss) = String::from_utf8(bts) {
23 |         for (i, l) in ss.lines().enumerate() {
24 |             if re.is_match(l) {
25 |                 res.push(Record {
26 |                     line: i,
27 |                     tx: l.to_string(),
28 |                 });
29 |             }
30 |         }
31 |     }
32 |     Ok(res)
33 | }
34 | 
35 | fn process_path<P, FF, EF>(p: P, re: &Regex, ff: &FF, ef: &EF) -> Result<(), Error>
36 | where
37 |     P: AsRef<Path>,
38 |     FF: Fn(&Path, Vec<Record>),
39 |     EF: Fn(Error),
40 | {
41 |     let p = p.as_ref();
42 |     let md = p.metadata()?;
43 |     let ft = md.file_type();
44 |     if ft.is_file() {
45 |         let dt = process_file(p, re)?;
46 |         ff(p, dt);
47 |     }
48 | 
49 |     if ft.is_dir() {
50 |         let dd = std::fs::read_dir(p)?;
51 |         for d in dd {
52 |             if let Err(e) = process_path(d?.path(), re, ff, ef) {
53 |                 ef(e);
54 |             }
55 |         }
56 |     }
57 | 
58 |     Ok(())
59 | }
60 | 
61 | fn main() {
62 |     if let Err(e) = run() {
63 |         println!("There was an error: {}", e);
64 |     }
65 | }
66 | 
67 | fn run() -> Result<(), Error> {
68 |     let cp = clap_app!(
69 |         pgrep =>
70 |         (version : crate_version!())
71 |         (about : "A Grep like program")
72 |         (author : "Matt")
73 |         (@arg pattern : +required "The regex pattern to search for")
74 |         (@arg file : -f --file +takes_value "The file to test")
75 |     )
76 |     .get_matches();
77 | 
78 |     let re = Regex::new(cp.value_of("pattern").unwrap())?;
79 | 
80 |     let p = process_path(
81 |         cp.value_of("file").ok_or(ArgErr { arg: "file" })?,
82 |         &re,
83 |         &|pt, v| {
84 |             println!("{:?}", pt);
85 |             println!("{:?}", v);
86 |         },
87 |         &|e| {
88 |             println!("Error:{}", e);
89 |         },
90 |     );
91 | 
92 |     println!("{:?}", p);
93 |     Ok(())
94 | }
95 | 


--------------------------------------------------------------------------------
/pgrep/test_data/t1.txt:
--------------------------------------------------------------------------------
1 | help me I'm falling.
2 | Hello world
3 | 
4 | Hello People of te world
5 | 
6 | Lets all say Hello
7 | 


--------------------------------------------------------------------------------
/pgrep/test_data/t2.txt:
--------------------------------------------------------------------------------
1 | I'm going for a walk
2 | 
3 | I'm going to say Hello
4 | 
5 | People will say Hello back
6 | 
7 | 


--------------------------------------------------------------------------------
/shop_base/Cargo.lock:
--------------------------------------------------------------------------------
  1 | [[package]]
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  3 | version = "0.6.10"
  4 | source = "registry+https://github.com/rust-lang/crates.io-index"
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 11 | version = "0.11.0"
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 15 | ]
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385 | "checksum vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "05c78687fb1a80548ae3250346c3db86a80a7cdd77bda190189f2d0a0987c81a"
386 | "checksum winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "92c1eb33641e276cfa214a0522acad57be5c56b10cb348b3c5117db75f3ac4b0"
387 | "checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
388 | "checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
389 | 


--------------------------------------------------------------------------------
/shop_base/Cargo.toml:
--------------------------------------------------------------------------------
 1 | [package]
 2 | name = "shop_base"
 3 | version = "0.1.0"
 4 | authors = ["matthew <matt@storyfeet.com>"]
 5 | edition = "2018"
 6 | 
 7 | [[bin]]
 8 | name = "shop_cli"
 9 | path = "src/cli.rs"
10 | 
11 | [lib]
12 | name = "shop_base"
13 | path = "src/lib.rs"
14 | 
15 | [dependencies]
16 | 
17 | serde = "1.0.90"
18 | serde_derive = "1.0.90"
19 | diesel = {version = "1.4.1", features = ["postgres"]}
20 | dotenv = "0.13.0"
21 | failure = "0.1.5"
22 | clap = "2.32.0"
23 | 


--------------------------------------------------------------------------------
/shop_base/diesel.toml:
--------------------------------------------------------------------------------
1 | # For documentation on how to configure this file,
2 | # see diesel.rs/guides/configuring-diesel-cli
3 | 
4 | [print_schema]
5 | file = "src/schema.rs"
6 | 


--------------------------------------------------------------------------------
/shop_base/migrations/00000000000000_diesel_initial_setup/down.sql:
--------------------------------------------------------------------------------
1 | -- This file was automatically created by Diesel to setup helper functions
2 | -- and other internal bookkeeping. This file is safe to edit, any future
3 | -- changes will be added to existing projects as new migrations.
4 | 
5 | DROP FUNCTION IF EXISTS diesel_manage_updated_at(_tbl regclass);
6 | DROP FUNCTION IF EXISTS diesel_set_updated_at();
7 | 


--------------------------------------------------------------------------------
/shop_base/migrations/00000000000000_diesel_initial_setup/up.sql:
--------------------------------------------------------------------------------
 1 | -- This file was automatically created by Diesel to setup helper functions
 2 | -- and other internal bookkeeping. This file is safe to edit, any future
 3 | -- changes will be added to existing projects as new migrations.
 4 | 
 5 | 
 6 | 
 7 | 
 8 | -- Sets up a trigger for the given table to automatically set a column called
 9 | -- `updated_at` whenever the row is modified (unless `updated_at` was included
10 | -- in the modified columns)
11 | --
12 | -- # Example
13 | --
14 | -- ```sql
15 | -- CREATE TABLE users (id SERIAL PRIMARY KEY, updated_at TIMESTAMP NOT NULL DEFAULT NOW());
16 | --
17 | -- SELECT diesel_manage_updated_at('users');
18 | -- ```
19 | CREATE OR REPLACE FUNCTION diesel_manage_updated_at(_tbl regclass) RETURNS VOID AS $$
20 | BEGIN
21 |     EXECUTE format('CREATE TRIGGER set_updated_at BEFORE UPDATE ON %s
22 |                     FOR EACH ROW EXECUTE PROCEDURE diesel_set_updated_at()', _tbl);
23 | END;
24 | $$ LANGUAGE plpgsql;
25 | 
26 | CREATE OR REPLACE FUNCTION diesel_set_updated_at() RETURNS trigger AS $$
27 | BEGIN
28 |     IF (
29 |         NEW IS DISTINCT FROM OLD AND
30 |         NEW.updated_at IS NOT DISTINCT FROM OLD.updated_at
31 |     ) THEN
32 |         NEW.updated_at := current_timestamp;
33 |     END IF;
34 |     RETURN NEW;
35 | END;
36 | $$ LANGUAGE plpgsql;
37 | 


--------------------------------------------------------------------------------
/shop_base/migrations/2019-03-26-103937_create_items/down.sql:
--------------------------------------------------------------------------------
1 | -- This file should undo anything in `up.sql`
2 | DROP TABLE items
3 | 


--------------------------------------------------------------------------------
/shop_base/migrations/2019-03-26-103937_create_items/up.sql:
--------------------------------------------------------------------------------
1 | -- Your SQL goes here
2 | CREATE TABLE items (
3 |     id SERIAL PRIMARY KEY,
4 |     name VARCHAR NOT NULL,
5 |     description VARCHAR NOT NULL,
6 |     price INTEGER NOT NULL,
7 |     instock INTEGER NOT NULL DEFAULT 0
8 | )
9 | 


--------------------------------------------------------------------------------
/shop_base/src/cli.rs:
--------------------------------------------------------------------------------
 1 | extern crate shop_base;
 2 | use clap::{clap_app, crate_version};
 3 | use failure::Error;
 4 | use shop_base::Conn;
 5 | 
 6 | fn main() -> Result<(), Error> {
 7 |     let clap = clap_app!(blog_cli =>
 8 |         (about:"Edit the shop_base contents")
 9 |         (version : crate_version!())
10 |         (author: "Matthew Stoodley")
11 |         (@subcommand put =>
12 |             (about : "Put an item on the database")
13 |             (@arg name:+required "The name of the item")
14 |             (@arg description:+required "A description of the item")
15 |             (@arg price:+required "The price of the item in pence")
16 |          )
17 |         (@subcommand find =>
18 |             (about : "Find items matching a given name part")
19 |             (@arg name:+required "A partial match of the item name")
20 |             (@arg limit:+takes_value "The maximum number of entries to return")
21 |          )
22 |         (@subcommand stock =>
23 |             (about :"Set the stock level for an item in the store")
24 |             (@arg id:+required "The Item id")
25 |             (@arg amount:+required "The new value")
26 |             (@arg rel:-r "Add to previous value")
27 |          )
28 |     )
29 |     .get_matches();
30 | 
31 |     let conn = Conn::new()?;
32 |     if let Some(sub) = clap.subcommand_matches("put") {
33 |         let r = conn.put_item(
34 |             sub.value_of("name").unwrap(),
35 |             sub.value_of("description").unwrap(),
36 |             sub.value_of("price").and_then(|v| v.parse().ok()).unwrap(),
37 |         )?;
38 |         println!("Added Item {:?}", r);
39 |     }
40 | 
41 |     if let Some(sub) = clap.subcommand_matches("find") {
42 |         let r = conn.find_items(
43 |             sub.value_of("name").unwrap(),
44 |             sub.value_of("limit")
45 |                 .and_then(|v| v.parse().ok())
46 |                 .unwrap_or(5),
47 |         )?;
48 |         for p in r {
49 |             println!("\n----------Entry----------\n");
50 |             println!("{:?}", p);
51 |         }
52 |     }
53 | 
54 |     if let Some(sub) = clap.subcommand_matches("stock") {
55 |         let r = conn.set_stock(
56 |             sub.value_of("id").unwrap().parse().unwrap(),
57 |             sub.value_of("amount").unwrap().parse().unwrap(),
58 |             sub.is_present("rel"),
59 |         );
60 |         println!("Updated : {:?}", r);
61 |     }
62 |     Ok(())
63 | }
64 | 


--------------------------------------------------------------------------------
/shop_base/src/lib.rs:
--------------------------------------------------------------------------------
 1 | #[macro_use]
 2 | extern crate diesel;
 3 | use diesel::pg::PgConnection;
 4 | use diesel::prelude::*;
 5 | use failure::Error;
 6 | 
 7 | mod models;
 8 | pub use models::{Item, NewItem};
 9 | mod schema;
10 | use schema::items;
11 | 
12 | pub struct Conn(PgConnection);
13 | 
14 | impl Conn {
15 |     pub fn new() -> Result<Self, Error> {
16 |         dotenv::dotenv().ok();
17 |         let db_url = std::env::var("DATABASE_URL")?;
18 |         Ok(Conn(PgConnection::establish(&db_url)?))
19 |     }
20 | 
21 |     pub fn put_item(&self, name: &str, description: &str, price: i32) -> Result<Item, Error> {
22 |         let nit = NewItem {
23 |             name,
24 |             description,
25 |             price,
26 |         };
27 |         diesel::insert_into(items::table)
28 |             .values(&nit)
29 |             .get_result(&self.0)
30 |             .map_err(|x| x.into())
31 |     }
32 | 
33 |     pub fn find_items(&self, name: &str, lim: i64) -> Result<Vec<Item>, Error> {
34 |         let lname = format!("%{}%", name);
35 |         items::table
36 |             .filter(items::name.ilike(lname))
37 |             .order(items::id.desc())
38 |             .limit(lim)
39 |             .load(&self.0)
40 |             .map_err(|e| e.into())
41 |     }
42 | 
43 |     pub fn set_stock(&self, id: i32, mut n: i32, rel: bool) -> Result<Item, Error> {
44 |         if rel {
45 |             let items: Vec<Item> = items::table.find(id).for_update().load(&self.0)?;
46 |             n += items[0].instock;
47 |         }
48 |         diesel::update(items::table::find(items::table, id))
49 |             .set(items::instock.eq(n))
50 |             .get_result(&self.0)
51 |             .map_err(|e| e.into())
52 |     }
53 | }
54 | 
55 | #[cfg(test)]
56 | mod tests {
57 |     #[test]
58 |     fn it_works() {
59 |         assert_eq!(2 + 2, 4);
60 |     }
61 | }
62 | 


--------------------------------------------------------------------------------
/shop_base/src/models.rs:
--------------------------------------------------------------------------------
 1 | use crate::schema::items;
 2 | use serde_derive::*;
 3 | 
 4 | #[derive(Queryable, Serialize, Deserialize, Clone, Debug)]
 5 | pub struct Item {
 6 |     pub id: i32,
 7 |     pub name: String,
 8 |     pub description: String,
 9 |     pub price: i32,
10 |     pub instock: i32,
11 | }
12 | 
13 | #[derive(Queryable, Insertable, Clone, Debug)]
14 | #[table_name = "items"]
15 | pub struct NewItem<'a> {
16 |     pub name: &'a str,
17 |     pub description: &'a str,
18 |     pub price: i32,
19 | }
20 | 


--------------------------------------------------------------------------------
/shop_base/src/schema.rs:
--------------------------------------------------------------------------------
 1 | table! {
 2 |     items (id) {
 3 |         id -> Int4,
 4 |         name -> Varchar,
 5 |         description -> Varchar,
 6 |         price -> Int4,
 7 |         instock -> Int4,
 8 |     }
 9 | }
10 | 


--------------------------------------------------------------------------------
/shop_site/Cargo.toml:
--------------------------------------------------------------------------------
 1 | [package]
 2 | name = "shop_site"
 3 | version = "0.1.0"
 4 | authors = ["matthew <matt@storyfeet.com>"]
 5 | edition = "2018"
 6 | 
 7 | [dependencies]
 8 | actix = "0.7.9"
 9 | actix-web = "0.7.19"
10 | failure = "0.1.5"
11 | shop_base = {path = "../shop_base"}
12 | futures = "0.1.26"
13 | serde = "1.0.90"
14 | serde_derive = "1.0.90"
15 | lazy_static = "1.3.0"
16 | handlebars = "1.1.0"
17 | 


--------------------------------------------------------------------------------
/shop_site/src/main.rs:
--------------------------------------------------------------------------------
  1 | use actix::prelude::*;
  2 | use actix_web::middleware::session::{CookieSessionBackend, RequestSession, SessionStorage};
  3 | use actix_web::{
  4 |     fs, http, server::HttpServer, App, AsyncResponder, Form, HttpRequest, HttpResponse, Query,
  5 |     Responder, State,
  6 | };
  7 | use failure::Error;
  8 | use futures::Future;
  9 | use handlebars::Handlebars;
 10 | use serde_derive::*;
 11 | use shop_base::{Conn, Item};
 12 | 
 13 | enum DBRequest {
 14 |     FindItems(String, i64),
 15 | }
 16 | enum DBResponse {
 17 |     FoundItems(Vec<Item>),
 18 | }
 19 | 
 20 | impl Message for DBRequest {
 21 |     type Result = Result<DBResponse, Error>;
 22 | }
 23 | 
 24 | pub struct DBExecutor {
 25 |     conn: Conn,
 26 | }
 27 | 
 28 | impl Actor for DBExecutor {
 29 |     type Context = SyncContext<Self>;
 30 | }
 31 | 
 32 | impl Handler<DBRequest> for DBExecutor {
 33 |     type Result = Result<DBResponse, Error>;
 34 |     fn handle(&mut self, msg: DBRequest, _: &mut Self::Context) -> Self::Result {
 35 |         match msg {
 36 |             DBRequest::FindItems(s, i) => Ok(DBResponse::FoundItems(self.conn.find_items(&s, i)?)),
 37 |         }
 38 |     }
 39 | }
 40 | 
 41 | #[derive(Deserialize, Debug)]
 42 | struct FormFindItems {
 43 |     search_term: String,
 44 |     limit: Option<i64>,
 45 | }
 46 | 
 47 | fn search<F>(
 48 |     page_hand: &Addr<DBExecutor>,
 49 |     ffi: &FormFindItems,
 50 |     req: &HttpRequest<F>,
 51 | ) -> impl Responder {
 52 |     let searches = req
 53 |         .session()
 54 |         .get::<i32>("searches")
 55 |         .expect("Session Should exist")
 56 |         .unwrap_or(0)
 57 |         + 1;
 58 |     req.session()
 59 |         .set("searches", searches)
 60 |         .expect("Could not set searches");
 61 |     page_hand
 62 |         .send(DBRequest::FindItems(
 63 |             ffi.search_term.clone(),
 64 |             ffi.limit.unwrap_or(5),
 65 |         ))
 66 |         .and_then(move |r| match r {
 67 |             Ok(DBResponse::FoundItems(v)) => Ok(HttpResponse::Ok()
 68 |                 .content_type("text/html")
 69 |                 .body(TEMPLATES.render("item_list", &(&v, searches)).unwrap())),
 70 |             Err(_) => Ok(HttpResponse::Ok().json("Error finding Database")),
 71 |         })
 72 |         .responder()
 73 | }
 74 | 
 75 | lazy_static::lazy_static! {
 76 |     static ref TEMPLATES:Handlebars = {
 77 |         let mut res = Handlebars::new();
 78 |         let df = std::fs::read_to_string("test_site/templates/item_list.html").expect("Could not read template");
 79 |         res.register_template_string("item_list",df).expect("Could not parse template");
 80 |         res
 81 |     };
 82 | }
 83 | 
 84 | fn main() {
 85 |     let sys = System::new("shop_site");
 86 | 
 87 |     let db_hand = SyncArbiter::start(3, || DBExecutor {
 88 |         conn: Conn::new().unwrap(),
 89 |     });
 90 | 
 91 |     HttpServer::new(move || {
 92 |         vec![
 93 |             App::with_state(db_hand.clone())
 94 |                 .prefix("/db/")
 95 |                 .middleware(SessionStorage::new(
 96 |                     CookieSessionBackend::signed(&[0; 32]).secure(false),
 97 |                 ))
 98 |                 .resource("/", |r| {
 99 |                     r.f(|_| {
100 |                         HttpResponse::Ok()
101 |                             .content_type("text/plain")
102 |                             .body("This is the Database side of the app")
103 |                     })
104 |                 })
105 |                 .resource("/find_items", |r| {
106 |                     r.method(http::Method::GET).with(
107 |                         |(state, query, req): (
108 |                             State<Addr<DBExecutor>>,
109 |                             Query<FormFindItems>,
110 |                             HttpRequest<_>,
111 |                         )| { search(&state, &query, &req) },
112 |                     );
113 | 
114 |                     r.method(http::Method::POST).with(
115 |                         |(state, form, req): (
116 |                             State<Addr<DBExecutor>>,
117 |                             Form<FormFindItems>,
118 |                             HttpRequest<_>,
119 |                         )| { search(&state, &form, &req) },
120 |                     )
121 |                 })
122 |                 .boxed(),
123 |             App::new()
124 |                 .handler(
125 |                     "/",
126 |                     fs::StaticFiles::new("test_site/static/")
127 |                         .unwrap()
128 |                         .show_files_listing()
129 |                         .index_file("index.html"),
130 |                 )
131 |                 .boxed(),
132 |         ]
133 |     })
134 |     .bind("127.0.0.1:8088")
135 |     .unwrap()
136 |     .start();
137 | 
138 |     sys.run();
139 | 
140 |     println!("Done");
141 | }
142 | 


--------------------------------------------------------------------------------
/shop_site/test_site/static/index.html:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE HTML>
 2 | <html>
 3 |     <head>
 4 |         <meta charset="utf-8">
 5 |     </head>
 6 |     <body>
 7 |         <h1>Welcome to the Shop</h1>
 8 |         <p>I hope you like it here</p>
 9 |         <h2>Get Request</h2>
10 |         <form action="/db/find_items" method="GET">
11 |             Term:<input type="text" name="search_term">
12 |             Limit:<input type="number" name="limit">
13 |             <input type="submit" value ="Search">
14 |         </form>
15 |         <h2>Post Request</h2>
16 |         <form action="/db/find_items" method="POST">
17 |             Term:<input type="text" name="search_term">
18 |             Limit:<input type="number" name="limit">
19 |             <input type="submit" value ="Search">
20 |         </form>
21 |     </body>
22 | </html>
23 | 


--------------------------------------------------------------------------------
/shop_site/test_site/templates/item_list.html:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE HTML>
 2 | <html>
 3 |     <head>
 4 |         <meta charset="utf-8">
 5 |     </head>
 6 |     <body>
 7 |         <h1>Welcome to the Shop</h1>
 8 |         <p>I hope you like it here</p>
 9 |         <h2>Get Request</h2>
10 |         <form action="/db/find_items" method="GET">
11 |             Term:<input type="text" name="search_term">
12 |             Limit:<input type="number" name="limit">
13 |             <input type="submit" value ="Search">
14 |         </form>
15 |         <h2>Post Request</h2>
16 |         <form action="/db/find_items" method="POST">
17 |             Term:<input type="text" name="search_term">
18 |             Limit:<input type="number" name="limit">
19 |             <input type="submit" value ="Search">
20 |         </form>
21 | 
22 |         <p> Searches so far = {{this.1}}</p>
23 |         <h2>Results</h2>
24 |         {{#each this.0}}
25 |             <div style="border:1px solid black; padding:5px">
26 |                 {{id}} : <b>{{name}}</b>
27 |             </div>
28 |         {{/each}}
29 |     </body>
30 | </html>
31 | 


--------------------------------------------------------------------------------