feat: SEO backend data (1/4)

internal/infrastructure/useCases/ListMedia.go

@@ -6,6 +6,7 @@ import (
 	"RenewCMS/internal/domain/image"
 	"RenewCMS/internal/domain/site"
 	"RenewCMS/internal/domain/user"
+	"slices"
 	"strings"
 )
 
@@ -106,7 +107,7 @@ func (l *ListMediaUseCase) List(query image.ListQuery) (MediaPage, error) {
 }
 
 func (l *ListMediaUseCase) Describe(img image.Image) (MediaItem, error) {
-	articles, err := l.articleRepository.FindByBodyContaining(image.StoredName(img.Path))
+	articleCount, err := l.articleUsageCount(img)
 	if err != nil {
 		return MediaItem{}, err
 	}
@@ -137,7 +138,23 @@ func (l *ListMediaUseCase) Describe(img image.Image) (MediaItem, error) {
 		variantSize += row.Size
 	}
 
-	return MediaItem{Image: img, UploadedBy: uploadedBy, UsedIn: len(articles) + siteUsage[img.ID], Duplicate: duplicate, VariantCount: len(rows), VariantSize: variantSize}, nil
+	return MediaItem{Image: img, UploadedBy: uploadedBy, UsedIn: articleCount + siteUsage[img.ID], Duplicate: duplicate, VariantCount: len(rows), VariantSize: variantSize}, nil
+}
+
+func (l *ListMediaUseCase) articleUsageCount(img image.Image) (int, error) {
+	inBody, err := l.articleRepository.FindByBodyContaining(image.StoredName(img.Path))
+	if err != nil {
+		return 0, err
+	}
+	referencing, err := l.articleRepository.FindByImage(img.ID)
+	if err != nil {
+		return 0, err
+	}
+	distinct := map[uint32]bool{}
+	for _, found := range slices.Concat(inBody, referencing) {
+		distinct[found.ID] = true
+	}
+	return len(distinct), nil
 }
 
 func (l *ListMediaUseCase) usageCounter() (func(image.Image) int, error) {
@@ -150,10 +167,9 @@ func (l *ListMediaUseCase) usageCounter() (func(image.Image) int, error) {
 		return nil, err
 	}
 	return func(img image.Image) int {
-		storedName := image.StoredName(img.Path)
 		used := siteUsage[img.ID]
 		for _, a := range articles {
-			if strings.Contains(a.Body, storedName) {
+			if articleMentionsImage(a, img) {
 				used++
 			}
 		}