101 lines
2.0 KiB
Go
101 lines
2.0 KiB
Go
package internal
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import (
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"encoding/json"
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"errors"
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"log"
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"os/exec"
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"strings"
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"time"
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"github.com/marcopeocchi/yt-dlp-web-ui/server/cli"
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"github.com/marcopeocchi/yt-dlp-web-ui/server/config"
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)
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type metadata struct {
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Entries []DownloadInfo `json:"entries"`
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Count int `json:"playlist_count"`
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PlaylistTitle string `json:"title"`
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Type string `json:"_type"`
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}
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func PlaylistDetect(req DownloadRequest, mq *MessageQueue, db *MemoryDB) error {
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var (
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downloader = config.Instance().DownloaderPath
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cmd = exec.Command(downloader, req.URL, "-J")
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)
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stdout, err := cmd.StdoutPipe()
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if err != nil {
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return err
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}
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m := metadata{}
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err = cmd.Start()
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if err != nil {
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return err
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}
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log.Println(cli.BgRed, "Decoding metadata", cli.Reset, req.URL)
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err = json.NewDecoder(stdout).Decode(&m)
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if err != nil {
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return err
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}
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log.Println(cli.BgGreen, "Decoded metadata", cli.Reset, req.URL)
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if m.Type == "" {
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cmd.Wait()
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return errors.New("probably not a valid URL")
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}
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if m.Type == "playlist" {
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log.Println(
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cli.BgGreen, "Playlist detected", cli.Reset, m.Count, "entries",
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)
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for i, meta := range m.Entries {
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delta := time.Second.Microseconds() * int64(i+1)
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// detect playlist title from metadata since each playlist entry will be
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// treated as an individual download
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req.Rename = strings.Replace(
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req.Rename,
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"%(playlist_title)s",
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m.PlaylistTitle,
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1,
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)
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proc := &Process{
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Url: meta.OriginalURL,
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Progress: DownloadProgress{},
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Output: DownloadOutput{
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Filename: req.Rename,
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},
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Info: meta,
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Params: req.Params,
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}
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proc.Info.URL = meta.OriginalURL
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proc.Info.CreatedAt = time.Now().Add(time.Duration(delta))
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db.Set(proc)
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proc.SetPending()
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mq.PublishPlaylistEntry(proc)
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}
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err = cmd.Wait()
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return err
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}
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proc := &Process{Url: req.URL, Params: req.Params}
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mq.Publish(proc)
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log.Println("Sending new process to message queue", proc.Url)
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err = cmd.Wait()
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return err
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}
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