优化

internal/service/scraper_artwork.go

@@ -2,6 +2,7 @@ package service
 
 import (
 	"context"
+	"net/url"
 	"strings"
 	"time"
 
@@ -20,10 +21,34 @@ func (s *ScraperService) prepareScrapedArtworkURL(ctx context.Context, mediaID,
 	if s == nil || s.images == nil || !isHTTPish(candidate) {
 		return candidate, ""
 	}
-	fetchCtx, cancel := context.WithTimeout(context.WithoutCancel(ctx), 15*time.Second)
+	originalSource := metaTubeOriginalArtworkURL(candidate)
+	timeout := 15 * time.Second
+	if originalSource != "" {
+		// MetaTube face processing can become very slow under a batch scrape.
+		// Fail over quickly so the same source can be processed locally.
+		timeout = 8 * time.Second
+	}
+	fetchCtx, cancel := context.WithTimeout(context.WithoutCancel(ctx), timeout)
 	err := s.images.PrefetchRemote(fetchCtx, candidate)
 	cancel()
 	if err != nil {
+		if originalSource != "" {
+			fallbackCtx, fallbackCancel := context.WithTimeout(context.WithoutCancel(ctx), 15*time.Second)
+			fallbackErr := s.images.PrefetchRemote(fallbackCtx, originalSource)
+			fallbackCancel()
+			if fallbackErr == nil {
+				s.log.Warn("MetaTube artwork processing failed; using local face-aware crop",
+					zap.String("media_id", mediaID),
+					zap.String("field", field),
+					zap.String("candidate", candidate),
+					zap.String("source", originalSource),
+					zap.Error(err))
+				if current != "" && isHTTPish(current) {
+					return originalSource, current
+				}
+				return originalSource, ""
+			}
+		}
 		if current != "" {
 			s.log.Warn("scrape artwork prefetch failed; keeping existing artwork",
 				zap.String("media_id", mediaID),
@@ -46,6 +71,18 @@ func (s *ScraperService) prepareScrapedArtworkURL(ctx context.Context, mediaID,
 	return candidate, ""
 }
 
+func metaTubeOriginalArtworkURL(raw string) string {
+	parsed, err := url.Parse(strings.TrimSpace(raw))
+	if err != nil || !strings.Contains(parsed.Path, "/v1/images/primary/") {
+		return ""
+	}
+	source := strings.TrimSpace(parsed.Query().Get("url"))
+	if !isHTTPish(source) {
+		return ""
+	}
+	return source
+}
+
 func (s *ScraperService) removeCachedScrapedArtwork(urls ...string) {
 	if s == nil || s.images == nil {
 		return