feat: enhance album and media management with update and delete functionalities

libertas_api/src/services/media_service.rs

@@ -192,4 +192,46 @@ impl MediaService for MediaServiceImpl {
 
         Err(CoreError::Auth("Access denied".to_string()))
     }
+
+    async fn delete_media(&self, id: Uuid, user_id: Uuid) -> CoreResult<()> {
+        let media = self
+            .repo
+            .find_by_id(id)
+            .await?
+            .ok_or(CoreError::NotFound("Media".to_string(), id))?;
+
+        let user = self
+            .user_repo
+            .find_by_id(user_id)
+            .await?
+            .ok_or(CoreError::NotFound("User".to_string(), user_id))?;
+
+        if !authz::is_owner(user_id, &media) && !authz::is_admin(&user) {
+            return Err(CoreError::Auth("Access denied".to_string()));
+        }
+
+        let full_path = PathBuf::from(&self.config.media_library_path).join(&media.storage_path);
+        self.repo.delete(id).await?;
+
+        let file_size = match fs::metadata(&full_path).await {
+            Ok(metadata) => metadata.len() as i64,
+            Err(_) => 0,
+        };
+
+        if let Err(e) = fs::remove_file(full_path).await {
+            tracing::error!("Failed to delete media file from disk: {}", e);
+        }
+
+        self.user_repo
+            .update_storage_used(user.id, -file_size)
+            .await?;
+
+        let job_payload = json!({ "media_id": id });
+        self.nats_client
+            .publish("media.deleted".to_string(), job_payload.to_string().into())
+            .await
+            .map_err(|e| CoreError::Unknown(format!("Failed to publish NATS job: {}", e)))?;
+
+        Ok(())
+    }
 }