├── .gitignore ├── LICENSE ├── Makefile ├── README.md ├── blog.go ├── bot └── bot.go ├── cmd └── BlogggerBot │ └── main.go ├── feed.go ├── feed └── feed.go └── models ├── blog.go └── models.go /.gitignore: -------------------------------------------------------------------------------- 1 | .*.sw* 2 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | {one line to give the program's name and a brief idea of what it does.} 635 | Copyright (C) {year} {name of author} 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | {project} Copyright (C) {year} {fullname} 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | -------------------------------------------------------------------------------- /Makefile: -------------------------------------------------------------------------------- 1 | PROJECT_NAME ?= BlogggerBot 2 | GO_VARS ?= GOOS=linux GOARCH=amd64 3 | COMMIT := $(shell git rev-parse --short HEAD) 4 | VERSION ?= $(shell git describe --tags ${COMMIT} 2> /dev/null || echo "$(COMMIT)") 5 | BUILD_TIME := $(shell LANG=en_US date +"%F_%T_%z") 6 | LD_FLAGS := -X main.Version=$(VERSION) -X main.Commit=$(COMMIT) -X main.BuildTime=$(BUILD_TIME) 7 | 8 | deps: 9 | go get -v -u ./... 10 | 11 | build: 12 | $(GO_VARS) go build -o $(PROJECT_NAME).o -ldflags="$(LD_FLAGS)" github.com/mehdy/BlogggerBot/cmd/BlogggerBot 13 | 14 | test: 15 | $(GO_VARS) go test -v -cover -race ./... 16 | 17 | clean: 18 | rm -rf $(PROJECT_NAME).o 19 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Bloggger Bot 2 | This is the bot that sends blog updates to [Bloggger](https://t.me/Bloggger) channel 3 | -------------------------------------------------------------------------------- /blog.go: -------------------------------------------------------------------------------- 1 | package BlogggerBot 2 | 3 | import ( 4 | "time" 5 | 6 | "github.com/jinzhu/gorm" 7 | ) 8 | 9 | type Blog struct { 10 | gorm.Model 11 | Title string `gorm:"SIZE:512;NOT NULL"` 12 | Description string `gorm:"SIZE:2048"` 13 | URL string `gorm:"SIZE:1024;NOT NULL"` 14 | FeedURL string `gorm:"SIZE:1024;NOT NULL"` 15 | Language string `gorm:"SIZE:5"` 16 | LastUpdatedAt time.Time `gorm:"NOT NULL"` 17 | Posts []Post `gorm:"ForeignKey:BlogID"` 18 | } 19 | 20 | type Post struct { 21 | gorm.Model 22 | BlogID uint `gorm:"NOT NULL"` 23 | Blog Blog 24 | Author string `gorm:"SIZE:256;NOT NULL"` 25 | Title string `gorm:"SIZE:2048;NOT NULL"` 26 | Content string `gorm:"NOT NULL"` 27 | PublishedAt time.Time `gorm:"NOT NULL"` 28 | URL string `gorm:"NOT NULL"` 29 | ShortURL string 30 | GUID string `gorm:"NOT NULL;UNIQUE"` 31 | Notified bool `gorm:"NOT NULL;DEFAULT:false"` 32 | } 33 | 34 | type BlogService interface { 35 | GetBlog(uint) (Blog, error) 36 | GetBlogs() ([]Blog, error) 37 | CreateBlog(*Blog) error 38 | UpdatedBlog(*Blog) error 39 | CreatePost(*Post) error 40 | GetNewPosts() ([]Post, error) 41 | Notify(*Post) error 42 | } 43 | -------------------------------------------------------------------------------- /bot/bot.go: -------------------------------------------------------------------------------- 1 | package bot 2 | 3 | import ( 4 | "bytes" 5 | "encoding/json" 6 | "fmt" 7 | "log" 8 | "net/http" 9 | "strings" 10 | "time" 11 | 12 | "github.com/go-telegram-bot-api/telegram-bot-api" 13 | 14 | "github.com/mehdy/BlogggerBot" 15 | "github.com/spf13/viper" 16 | ) 17 | 18 | type Bot struct { 19 | b *tgbotapi.BotAPI 20 | hc *http.Client 21 | handlers map[string]func(tgbotapi.Update) 22 | BS BlogggerBot.BlogService 23 | FS BlogggerBot.FeedService 24 | } 25 | 26 | func NewBot() *Bot { 27 | bot, err := tgbotapi.NewBotAPI(viper.GetString("BOT_TOKEN")) 28 | if err != nil { 29 | log.Panic(err) 30 | } 31 | log.Printf("Authorized on account %s", bot.Self.UserName) 32 | 33 | b := Bot{ 34 | b: bot, 35 | hc: &http.Client{Timeout: 3 * time.Second}, 36 | handlers: map[string]func(tgbotapi.Update){}, 37 | } 38 | 39 | b.handlers["/new_blog"] = b.AddNewBlog 40 | b.handlers["/update_posts"] = b.UpdatePosts 41 | b.handlers["/send_updates"] = b.SendNewPosts 42 | 43 | return &b 44 | } 45 | 46 | func (b *Bot) Run() { 47 | u := tgbotapi.NewUpdate(0) 48 | u.Timeout = 30 49 | 50 | updates, err := b.b.GetUpdatesChan(u) 51 | if err != nil { 52 | log.Panic(err) 53 | } 54 | 55 | for update := range updates { 56 | if update.Message == nil { 57 | log.Print(update) 58 | continue 59 | } 60 | log.Printf("[%s] %s", update.Message.From.UserName, update.Message.Text) 61 | 62 | if update.Message.From.UserName != viper.GetString("BOT_ADMIN") { 63 | msg := tgbotapi.NewMessage(update.Message.Chat.ID, "You are not authorized to run command") 64 | b.b.Send(msg) 65 | continue 66 | } 67 | 68 | parsed := strings.SplitN(update.Message.Text, " ", 2) 69 | if handler, ok := b.handlers[parsed[0]]; ok { 70 | go handler(update) 71 | } else { 72 | go b.defaultHandler(update) 73 | } 74 | 75 | } 76 | } 77 | 78 | func (b *Bot) defaultHandler(u tgbotapi.Update) { 79 | msg := tgbotapi.NewMessage(u.Message.Chat.ID, "Command not found") 80 | b.b.Send(msg) 81 | } 82 | 83 | func (b *Bot) SendNewPosts(u tgbotapi.Update) { 84 | msg := tgbotapi.NewMessage(u.Message.Chat.ID, "starting to send updated posts...") 85 | b.b.Send(msg) 86 | posts, err := b.BS.GetNewPosts() 87 | if err != nil { 88 | log.Panicln(err) 89 | msg := tgbotapi.NewMessage(u.Message.Chat.ID, "Unable to get updated posts") 90 | b.b.Send(msg) 91 | } 92 | for _, post := range posts { 93 | text := fmt.Sprintf(viper.GetString("BOT_MESSAGE_TEMPLATE"), post.Author, post.Title, post.ShortURL) 94 | msg := tgbotapi.NewMessageToChannel(viper.GetString("BOT_CHANNEL"), text) 95 | b.b.Send(msg) 96 | if err := b.BS.Notify(&post); err != nil { 97 | log.Println(err) 98 | } 99 | } 100 | msg = tgbotapi.NewMessage(u.Message.Chat.ID, "sent all updated posts") 101 | b.b.Send(msg) 102 | 103 | } 104 | 105 | func (b *Bot) UpdatePosts(u tgbotapi.Update) { 106 | msg := tgbotapi.NewMessage(u.Message.Chat.ID, "starting to update the posts...") 107 | b.b.Send(msg) 108 | 109 | blogs, err := b.BS.GetBlogs() 110 | if err != nil { 111 | log.Print(err) 112 | msg := tgbotapi.NewMessage(u.Message.Chat.ID, "Unable to get blogs :(") 113 | b.b.Send(msg) 114 | return 115 | } 116 | for _, blog := range blogs { 117 | feeds, err := b.FS.GetNewPosts(blog.FeedURL, blog.LastUpdatedAt) 118 | if err != nil { 119 | log.Println(err) 120 | } 121 | 122 | for _, feed := range feeds { 123 | var shortURL string 124 | body := bytes.NewBuffer([]byte(fmt.Sprintf(`{"longUrl": "%s"}`, feed.Link))) 125 | reqUrl := fmt.Sprintf("https://www.googleapis.com/urlshortener/v1/url?key=%s", 126 | viper.GetString("API_TOKEN")) 127 | req, err := http.NewRequest("POST", reqUrl, body) 128 | if err == nil { 129 | req.Header.Set("Content-Type", "application/json") 130 | resp, err := b.hc.Do(req) 131 | if err == nil { 132 | var res map[string]string 133 | if err := json.NewDecoder(resp.Body).Decode(&res); err == nil { 134 | if id, ok := res["id"]; ok { 135 | shortURL = id 136 | } 137 | } 138 | } 139 | } 140 | 141 | if shortURL == "" { 142 | shortURL = feed.Link 143 | } 144 | p := BlogggerBot.Post{ 145 | BlogID: blog.ID, 146 | Title: feed.Title, 147 | PublishedAt: *feed.PublishedParsed, 148 | URL: feed.Link, 149 | ShortURL: shortURL, 150 | GUID: feed.GUID, 151 | } 152 | 153 | if feed.Author != nil && feed.Author.Name != "" { 154 | p.Author = feed.Author.Name 155 | } else { 156 | p.Author = blog.Title 157 | } 158 | 159 | b.BS.CreatePost(&p) 160 | } 161 | 162 | b.BS.UpdatedBlog(&blog) 163 | } 164 | 165 | msg = tgbotapi.NewMessage(u.Message.Chat.ID, "Updated Successfully") 166 | b.b.Send(msg) 167 | } 168 | 169 | func (b *Bot) AddNewBlog(u tgbotapi.Update) { 170 | var msg tgbotapi.MessageConfig 171 | parsed := strings.SplitN(u.Message.Text, " ", 2) 172 | if len(parsed) != 2 { 173 | msg = tgbotapi.NewMessage(u.Message.Chat.ID, "No URL to add. command should be like /add_blog URL") 174 | } 175 | feed, err := b.FS.GetBlog(parsed[1]) 176 | if err != nil { 177 | log.Println(err) 178 | msg = tgbotapi.NewMessage(u.Message.Chat.ID, "Unable to add this feed") 179 | } else { 180 | blog := BlogggerBot.Blog{ 181 | Title: feed.Title, 182 | Description: feed.Description, 183 | Language: feed.Language, 184 | FeedURL: parsed[1], 185 | LastUpdatedAt: time.Now(), 186 | } 187 | if err := b.BS.CreateBlog(&blog); err != nil { 188 | log.Println(err) 189 | msg = tgbotapi.NewMessage(u.Message.Chat.ID, "Unable to add this feed") 190 | } else { 191 | msg = tgbotapi.NewMessage(u.Message.Chat.ID, "Blog has been added successfully") 192 | } 193 | } 194 | b.b.Send(msg) 195 | } 196 | -------------------------------------------------------------------------------- /cmd/BlogggerBot/main.go: -------------------------------------------------------------------------------- 1 | package main 2 | 3 | import ( 4 | "log" 5 | 6 | "github.com/mehdy/BlogggerBot/bot" 7 | "github.com/mehdy/BlogggerBot/feed" 8 | "github.com/mehdy/BlogggerBot/models" 9 | "github.com/spf13/viper" 10 | ) 11 | 12 | func main() { 13 | viper.SetConfigName("bloggger") 14 | viper.AddConfigPath(".") 15 | if err := viper.ReadInConfig(); err != nil { 16 | log.Fatal(err) 17 | } 18 | 19 | app := bot.NewBot() 20 | 21 | db := models.OpenDB() 22 | defer db.Close() 23 | 24 | app.BS = &models.BlogService{db} 25 | app.FS = feed.NewFeedReader() 26 | 27 | app.Run() 28 | } 29 | -------------------------------------------------------------------------------- /feed.go: -------------------------------------------------------------------------------- 1 | package BlogggerBot 2 | 3 | import ( 4 | "time" 5 | 6 | "github.com/mmcdole/gofeed" 7 | ) 8 | 9 | type FeedService interface { 10 | GetNewPosts(url string, since time.Time) ([]gofeed.Item, error) 11 | GetBlog(url string) (gofeed.Feed, error) 12 | } 13 | -------------------------------------------------------------------------------- /feed/feed.go: -------------------------------------------------------------------------------- 1 | package feed 2 | 3 | import ( 4 | "time" 5 | 6 | "github.com/mmcdole/gofeed" 7 | ) 8 | 9 | type FeedReader struct { 10 | f *gofeed.Parser 11 | } 12 | 13 | func NewFeedReader() *FeedReader { 14 | var fr FeedReader 15 | fr.f = gofeed.NewParser() 16 | return &fr 17 | } 18 | 19 | func (f *FeedReader) GetBlog(url string) (gofeed.Feed, error) { 20 | feed, err := f.f.ParseURL(url) 21 | return *feed, err 22 | } 23 | 24 | func (f *FeedReader) GetNewPosts(url string, since time.Time) ([]gofeed.Item, error) { 25 | feed, err := f.f.ParseURL(url) 26 | if err != nil { 27 | return []gofeed.Item{}, err 28 | } 29 | var posts []gofeed.Item 30 | for _, item := range feed.Items { 31 | if item.PublishedParsed != nil && item.PublishedParsed.After(since) { 32 | posts = append(posts, *item) 33 | } 34 | } 35 | return posts, nil 36 | } 37 | -------------------------------------------------------------------------------- /models/blog.go: -------------------------------------------------------------------------------- 1 | package models 2 | 3 | import ( 4 | "time" 5 | 6 | "github.com/jinzhu/gorm" 7 | 8 | "github.com/mehdy/BlogggerBot" 9 | ) 10 | 11 | type BlogService struct { 12 | DB *gorm.DB 13 | } 14 | 15 | func (s *BlogService) GetBlog(id uint) (BlogggerBot.Blog, error) { 16 | var b BlogggerBot.Blog 17 | err := s.DB.First(&b, id).Error 18 | return b, err 19 | } 20 | 21 | func (s *BlogService) GetBlogs() ([]BlogggerBot.Blog, error) { 22 | var blogs []BlogggerBot.Blog 23 | err := s.DB.Find(&blogs).Error 24 | return blogs, err 25 | } 26 | 27 | func (s *BlogService) CreateBlog(b *BlogggerBot.Blog) error { 28 | return s.DB.Create(b).Error 29 | } 30 | 31 | func (s *BlogService) UpdatedBlog(b *BlogggerBot.Blog) error { 32 | return s.DB.Model(b).Update("last_updated_at", time.Now()).Error 33 | } 34 | 35 | func (s *BlogService) CreatePost(p *BlogggerBot.Post) error { 36 | return s.DB.Create(p).Error 37 | } 38 | 39 | func (s *BlogService) GetNewPosts() ([]BlogggerBot.Post, error) { 40 | var posts []BlogggerBot.Post 41 | err := s.DB.Not("notified", true).Find(&posts).Error 42 | return posts, err 43 | } 44 | 45 | func (s *BlogService) Notify(p *BlogggerBot.Post) error { 46 | return s.DB.Model(p).Update("notified", true).Error 47 | } 48 | -------------------------------------------------------------------------------- /models/models.go: -------------------------------------------------------------------------------- 1 | package models 2 | 3 | import ( 4 | "log" 5 | 6 | "github.com/jinzhu/gorm" 7 | _ "github.com/jinzhu/gorm/dialects/sqlite" 8 | "github.com/mehdy/BlogggerBot" 9 | ) 10 | 11 | func OpenDB() *gorm.DB { 12 | var err error 13 | var db *gorm.DB 14 | 15 | if db, err = gorm.Open("sqlite3", "bloggger.db"); err != nil { 16 | log.Fatal(err) 17 | } 18 | 19 | if err = db.DB().Ping(); err != nil { 20 | log.Fatal(err) 21 | } 22 | 23 | // Migrations 24 | db.Debug().AutoMigrate(&BlogggerBot.Blog{}, &BlogggerBot.Post{}) 25 | return db 26 | } 27 | --------------------------------------------------------------------------------