feat: add new feature

internal/client.go

@@ -2,14 +2,12 @@ package internal
 
 import (
 	"context"
-	"fmt"
 	"path/filepath"
 
 	"exporter/config"
 
 	"github.com/gotd/td/telegram"
 	"github.com/gotd/td/telegram/auth"
-	"github.com/gotd/td/telegram/downloader"
 	"github.com/gotd/td/tg"
 	"github.com/pkg/errors"
 	"github.com/samber/lo"
@@ -122,57 +120,3 @@ func (t *TClient) ChannelInfoByID(ctx context.Context, channelID int64) (*tg.Cha
 	channel := chats[0].(*tg.Channel)
 	return channel, nil
 }
-
-func (t *TClient) Channel(ctx context.Context, channel *tg.Channel, offset int) error {
-	inputPeer := &tg.InputPeerChannel{ChannelID: channel.ID, AccessHash: channel.AccessHash}
-	messages, err := t.api.MessagesGetHistory(ctx, &tg.MessagesGetHistoryRequest{
-		Peer:     inputPeer,
-		Limit:    10,
-		OffsetID: offset,
-	})
-	if err != nil {
-		return errors.Wrap(err, "messages.getHistory")
-	}
-
-	downloader := downloader.NewDownloader()
-	lo.ForEach(messages.(*tg.MessagesChannelMessages).GetMessages(), func(item tg.MessageClass, index int) {
-		msg, ok := item.(*tg.Message)
-		if !ok {
-			fmt.Println("ID: get failed")
-			return
-		}
-
-		if !t.downloadMedia {
-			return
-		}
-
-		if mediaClass, ok := msg.GetMedia(); ok {
-			if photoClass, ok := mediaClass.(*tg.MessageMediaPhoto).GetPhoto(); ok {
-				photo := photoClass.(*tg.Photo)
-
-				thumbSize := ""
-				if len(photo.Sizes) > 1 {
-					thumbSize = photo.Sizes[len(photo.Sizes)-1].GetType()
-				}
-
-				location := &tg.InputPhotoFileLocation{
-					ID:            photo.GetID(),
-					AccessHash:    photo.GetAccessHash(),
-					FileReference: photo.GetFileReference(),
-					ThumbSize:     thumbSize,
-				}
-
-				saveTo := lo.Must(filepath.Abs(fmt.Sprintf("./photos/%d.jpg", photo.GetID())))
-				storage, err := downloader.Download(t.api, location).ToPath(ctx, saveTo)
-
-				if err != nil {
-					fmt.Println(err)
-				} else {
-					fmt.Println("Downloaded : ", storage)
-				}
-			}
-		}
-	})
-
-	return nil
-}