preset.go
| 1 | package service |
| 2 | |
| 3 | import ( |
| 4 | "fmt" |
| 5 | "strings" |
| 6 | "vidarchive/internal/models" |
| 7 | "vidarchive/internal/repository" |
| 8 | ) |
| 9 | |
| 10 | type PresetService struct { |
| 11 | repo *repository.PresetRepository |
| 12 | } |
| 13 | |
| 14 | func NewPresetService(repo *repository.PresetRepository) *PresetService { |
| 15 | return &PresetService{repo: repo} |
| 16 | } |
| 17 | |
| 18 | func (s *PresetService) Create(p *models.Preset) error { |
| 19 | return s.repo.Save(p) |
| 20 | } |
| 21 | |
| 22 | func (s *PresetService) GetByID(id int64) (*models.Preset, error) { |
| 23 | return s.repo.GetByID(id) |
| 24 | } |
| 25 | |
| 26 | func (s *PresetService) GetAll() ([]*models.Preset, error) { |
| 27 | return s.repo.GetAll() |
| 28 | } |
| 29 | |
| 30 | func (s *PresetService) GetDefault() (*models.Preset, error) { |
| 31 | return s.repo.GetDefault() |
| 32 | } |
| 33 | |
| 34 | func (s *PresetService) Update(p *models.Preset) error { |
| 35 | return s.repo.Save(p) |
| 36 | } |
| 37 | |
| 38 | func (s *PresetService) Delete(id int64) error { |
| 39 | return s.repo.Delete(id) |
| 40 | } |
| 41 | |
| 42 | func (s *PresetService) BuildArgs(p *models.Preset, formatOverride, customFlags string) []string { |
| 43 | var args []string |
| 44 | |
| 45 | // Format selection |
| 46 | if formatOverride != "" { |
| 47 | args = append(args, "-f", formatOverride) |
| 48 | } else if p.FormatMode == "custom" && p.CustomFormat != "" { |
| 49 | args = append(args, "-f", p.CustomFormat) |
| 50 | } else if p.FormatMode == "preset" && p.Format != "" { |
| 51 | if p.Quality != "" { |
| 52 | args = append(args, "-f", applyHeightCap(p.Format, p.Quality)) |
| 53 | } else { |
| 54 | args = append(args, "-f", p.Format) |
| 55 | } |
| 56 | } |
| 57 | // If FormatMode is "default" or empty, don't pass -f (let yt-dlp choose) |
| 58 | |
| 59 | // Audio extraction |
| 60 | if p.ExtractAudio { |
| 61 | args = append(args, "--extract-audio") |
| 62 | if p.AudioFormat != "" { |
| 63 | args = append(args, "--audio-format", p.AudioFormat) |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | // Subtitles |
| 68 | if p.EmbedSubs { |
| 69 | args = append(args, "--embed-subs") |
| 70 | if p.SubLangs != "" { |
| 71 | args = append(args, "--sub-langs", p.SubLangs) |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | // Thumbnail |
| 76 | if p.EmbedThumbnail { |
| 77 | args = append(args, "--embed-thumbnail") |
| 78 | } |
| 79 | |
| 80 | // Metadata |
| 81 | if p.EmbedMetadata { |
| 82 | args = append(args, "--embed-metadata") |
| 83 | } |
| 84 | |
| 85 | // Info JSON |
| 86 | if p.WriteInfoJSON { |
| 87 | args = append(args, "--write-info-json") |
| 88 | } |
| 89 | |
| 90 | // Custom flags |
| 91 | if p.CustomFlags != "" { |
| 92 | args = append(args, strings.Fields(p.CustomFlags)...) |
| 93 | } |
| 94 | |
| 95 | if customFlags != "" { |
| 96 | args = append(args, strings.Fields(customFlags)...) |
| 97 | } |
| 98 | |
| 99 | return args |
| 100 | } |
| 101 | |
| 102 | // applyHeightCap adds a max-height filter to a format selector. For a combined |
| 103 | // "video+audio" selector it binds the filter to the video stream only (e.g. |
| 104 | // "bestvideo[height<=720]+bestaudio"), since applying it to the whole expression |
| 105 | // would wrongly constrain the audio selector. It always appends an unfiltered |
| 106 | // fallback so a missing capped variant still resolves. |
| 107 | func applyHeightCap(format, maxHeight string) string { |
| 108 | parts := strings.Split(format, "+") |
| 109 | parts[0] = fmt.Sprintf("%s[height<=%s]", parts[0], maxHeight) |
| 110 | return strings.Join(parts, "+") + "/" + format |
| 111 | } |
| 112 | |
| 113 | func (s *PresetService) EffectiveFlags(p *models.Preset, formatOverride, customFlags string) string { |
| 114 | args := s.BuildArgs(p, formatOverride, customFlags) |
| 115 | return strings.Join(args, " ") |
| 116 | } |
| 117 |