feat: add yt-dlp support for downloading video/audio and enhance related commands

client/bot/handlers/ytdlp.go

@@ -0,0 +1,63 @@
+package handlers
+
+import (
+	"net/url"
+	"strings"
+
+	"github.com/celestix/gotgproto/dispatcher"
+	"github.com/celestix/gotgproto/ext"
+	"github.com/charmbracelet/log"
+	"github.com/duke-git/lancet/v2/slice"
+
+	"github.com/krau/SaveAny-Bot/client/bot/handlers/utils/msgelem"
+	"github.com/krau/SaveAny-Bot/common/i18n"
+	"github.com/krau/SaveAny-Bot/common/i18n/i18nk"
+	"github.com/krau/SaveAny-Bot/pkg/enums/tasktype"
+	"github.com/krau/SaveAny-Bot/pkg/tcbdata"
+	"github.com/krau/SaveAny-Bot/storage"
+)
+
+func handleYtdlpCmd(ctx *ext.Context, update *ext.Update) error {
+	logger := log.FromContext(ctx)
+	args := strings.Split(update.EffectiveMessage.Text, " ")
+	if len(args) < 2 {
+		ctx.Reply(update, ext.ReplyTextString(i18n.T(i18nk.BotMsgYtdlpUsage)), nil)
+		return dispatcher.EndGroups
+	}
+
+	urls := args[1:]
+	// Validate and clean URLs
+	for i, link := range urls {
+		urls[i] = strings.TrimSpace(link)
+		u, err := url.Parse(link)
+		if err != nil || u.Scheme == "" || u.Host == "" {
+			logger.Warnf("Invalid URL: %s", link)
+			urls[i] = ""
+		}
+	}
+	urls = slice.Compact(urls)
+
+	if len(urls) == 0 {
+		ctx.Reply(update, ext.ReplyTextString(i18n.T(i18nk.BotMsgYtdlpErrorNoValidUrls)), nil)
+		return dispatcher.EndGroups
+	}
+
+	logger.Debugf("Preparing yt-dlp download for %d URL(s)", len(urls))
+
+	// Build storage selection keyboard
+	markup, err := msgelem.BuildAddSelectStorageKeyboard(storage.GetUserStorages(ctx, update.GetUserChat().GetID()), tcbdata.Add{
+		TaskType:  tasktype.TaskTypeYtdlp,
+		YtdlpURLs: urls,
+	})
+	if err != nil {
+		return err
+	}
+
+	ctx.Reply(update, ext.ReplyTextString(i18n.T(i18nk.BotMsgYtdlpInfoUrlsSelectStorage, map[string]any{
+		"Count": len(urls),
+	})), &ext.ReplyOpts{
+		Markup: markup,
+	})
+
+	return dispatcher.EndGroups
+}