feat: Authors feature backend (and upgraded deprecated mods)

internal/infrastructure/useCases/siteImageUsage.go

@@ -1,6 +1,9 @@
 package useCases
 
-import "RenewCMS/internal/domain/site"
+import (
+	"RenewCMS/internal/domain/author"
+	"RenewCMS/internal/domain/site"
+)
 
 func siteImageUsage(sites site.Repository) (map[uint32]int, error) {
 	usage := map[uint32]int{}
@@ -15,3 +18,18 @@ func siteImageUsage(sites site.Repository) (map[uint32]int, error) {
 	}
 	return usage, nil
 }
+
+func imageUsageCount(sites site.Repository, authors author.Repository) (map[uint32]int, error) {
+	usage, err := siteImageUsage(sites)
+	if err != nil {
+		return nil, err
+	}
+	avatars, err := authors.AvatarUsage()
+	if err != nil {
+		return nil, err
+	}
+	for imageID, total := range avatars {
+		usage[imageID] += total
+	}
+	return usage, nil
+}