package main import ( "fmt" "log" "net/http" "net/url" "github.com/dustin/go-humanize" "github.com/joho/godotenv" "github.com/namsral/flag" ) var ( ChatId int BotToken string ) func init() { err := godotenv.Load() if err != nil { log.Fatal("error loading .env file") } flag.IntVar(&ChatId, "TELEGRAM_CHAT_ID", 0, "Chat id of telegram channel") flag.StringVar(&BotToken, "TELEGRAM_BOT_TOKEN", "", "Telegram bot token") flag.Parse() if ChatId == 0 { log.Fatal("TELEGRAM_CHAT_ID not set") } if BotToken == "" { log.Fatal("TELEGRAM_BOT_TOKEN not set") } } func SendItemToTelegram(item *Item) error { text := fmt.Sprintf("%s (%s)\n", item.Title, humanize.Time(item.PubDate.Time)) linkItem := item.Link != item.Guid if linkItem { text += fmt.Sprintf("[Link](%s) ", item.Link) } text += fmt.Sprintf("[Comments](%s)", item.Guid) return SendTextToTelegram(text) } func SendTextToTelegram(text string) error { url := fmt.Sprintf("https://api.telegram.org/bot%s/sendMessage?parse_mode=markdown&disable_web_page_preview=true&chat_id=%d&text=%s", BotToken, ChatId, url.QueryEscape(text)) resp, err := http.Get(url) if err != nil { err = fmt.Errorf("error during GET %s: %w", url, err) return err } defer resp.Body.Close() log.Printf("GET %s: %d\n", url, resp.StatusCode) return nil }