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package main
import (
"log"
"net/url"
"os"
"strings"
tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api/v5"
"github.com/kkdai/youtube/v2"
)
func main() {
bot, err := tgbotapi.NewBotAPI(os.Getenv("TELEGRAM_TOKEN"))
bot.SetAPIEndpoint("https://tg.neonxp.ru/bot%s/%s")
if err != nil {
log.Panic(err)
}
bot.Debug = true
log.Printf("Authorized on account %s", bot.Self.UserName)
u := tgbotapi.NewUpdate(0)
u.Timeout = 60
updates := bot.GetUpdatesChan(u)
for update := range updates {
if update.Message != nil { // If we got a message
message := update.Message
link, err := url.Parse(message.Text)
if err != nil {
continue
}
go func(message *tgbotapi.Message) {
if link.Host == "youtube.com" && link.Query().Get("v") != "" {
if err := download(bot, message, link.Query().Get("v")); err != nil {
msg := tgbotapi.NewMessage(message.Chat.ID, "Ошибка: "+err.Error())
log.Println(err)
msg.ReplyToMessageID = message.MessageID
bot.Send(msg)
}
} else if link.Host == "youtu.be" && link.Path != "" {
pathParts := strings.SplitN(link.Path, "?", 2)
if err := download(bot, message, pathParts[0]); err != nil {
msg := tgbotapi.NewMessage(message.Chat.ID, "Ошибка: "+err.Error())
log.Println(err)
msg.ReplyToMessageID = message.MessageID
bot.Send(msg)
}
}
}(message)
}
}
}
func download(bot *tgbotapi.BotAPI, message *tgbotapi.Message, videoID string) error {
client := youtube.Client{}
video, err := client.GetVideo(videoID)
if err != nil {
return err
}
formats := video.Formats.WithAudioChannels()
stream, _, err := client.GetStream(video, &formats[0])
if err != nil {
return err
}
defer stream.Close()
msg := tgbotapi.NewMessage(message.Chat.ID, "Начинаю скачивать: "+video.Title+"\n<a href=\""+formats[0].URL+"\">Адрес файла</a>")
msg.ParseMode = "html"
msg.ReplyToMessageID = message.MessageID
if _, err := bot.Send(msg); err != nil {
return err
}
file := tgbotapi.FileReader{
Name: "video.mp4",
Reader: stream,
}
_, err = bot.Send(tgbotapi.NewVideo(message.From.ID, file))
return err
}
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