Release list: filter by quality, codec, HDR, DV and language

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

internal/arr/release.go

@@ -27,12 +27,16 @@ type Release struct {
 	FullSeason          bool     `json:"fullSeason"`
 	Quality             struct {
 		Quality struct {
-			Name string `json:"name"`
+			Name       string `json:"name"`
+			Resolution int    `json:"resolution"`
 		} `json:"quality"`
 	} `json:"quality"`
 	Languages []struct {
 		Name string `json:"name"`
 	} `json:"languages"`
+	CustomFormats []struct {
+		Name string `json:"name"`
+	} `json:"customFormats"`
 }
 
 // QualityName returns the release's quality, e.g. "Bluray-1080p".
@@ -64,3 +68,29 @@ func (c *Client) Grab(ctx context.Context, r Release) error {
 	body := map[string]any{"guid": r.GUID, "indexerId": r.IndexerID}
 	return c.Do(ctx, http.MethodPost, "release", nil, body, nil)
 }
+
+// Attrs derives the filterable properties from what the release announces:
+// its title, quality, custom formats and languages. Codec and HDR only show up
+// when the uploader put them into the title.
+func (r Release) Attrs() FileAttrs {
+	names := []string{r.Title, r.Quality.Quality.Name}
+	for _, cf := range r.CustomFormats {
+		names = append(names, cf.Name)
+	}
+	text := strings.Join(names, " ")
+
+	a := FileAttrs{Resolution: r.Quality.Quality.Resolution, Codec: codecOf(text)}
+	if a.Resolution == 0 {
+		if m := reRes.FindStringSubmatch(text); m != nil {
+			a.Resolution = atoi(m[1])
+		}
+	}
+	a.DV = reDV.MatchString(text)
+	a.HDR = reHDR.MatchString(text)
+	for _, l := range r.Languages {
+		if l.Name != "" {
+			a.Languages = append(a.Languages, l.Name)
+		}
+	}
+	return a
+}