Refactor downloaders to separate package to utilize an interface

downloader/downloaders/ytdlp-lib.go

@@ -0,0 +1,57 @@
+package downloaders
+
+import (
+	"context"
+	"fmt"
+	"log"
+
+	"github.com/gen2brain/beeep"
+	"github.com/lrstanley/go-ytdlp"
+)
+
+var dl = ytdlp.New().
+	// FormatSort("bestvideo[ext=mp4]+bestaudio[ext=m4a]").
+	FormatSort("res,ext:mp4:m4a").
+	Output("C:/Users/Administrator/ytdlpVideos/%(uploader)s/%(title)s.%(ext)s").
+	LimitRate(fmt.Sprintf("%dM", 150/DOWNLOAD_WORKERS)).
+	// HTTPChunkSize("20M").
+	MarkWatched().
+	SponsorblockMark("all").
+	RecodeVideo("mp4").
+	ConcurrentFragments(6)
+
+type YTDLPLibDownloader struct{}
+
+func (d *YTDLPLibDownloader) Download(url string) error {
+	_, ongoing := ongoingDownloads[url]
+	if ongoing {
+		// return fmt.Errorf("Download %s is already ongoing", url)
+		log.Printf("Download %s is already ongoing", url)
+		return nil
+	}
+	ongoingDownloadsMutex.Lock()
+	ongoingDownloads[url] = struct{}{}
+	ongoingDownloadsMutex.Unlock()
+
+	log.Printf("Downloading %s", url)
+
+	err := beeep.Beep(beeep.DefaultFreq, beeep.DefaultDuration)
+	if err != nil {
+		log.Printf("Failed beeping with %+v", err)
+	}
+	err = beeep.Alert("Download Started", url, "assets/information.png")
+	if err != nil {
+		log.Printf("Failed alerting with %+v", err)
+	}
+
+	_, err = dl.Run(context.TODO(), url)
+	if err != nil {
+		return fmt.Errorf("failed downloading %s with %+v", url, err)
+	}
+
+	log.Printf("Downloaded %s", url)
+	ongoingDownloadsMutex.Lock()
+	delete(ongoingDownloads, url)
+	ongoingDownloadsMutex.Unlock()
+	return nil
+}