失败任务定时删除

src/gasflux/blueprints/download.py

@@ -19,21 +19,24 @@ def _mark_task_downloaded(task_id):
     from ..db import get_db_path as get_config_db_path
     db_path = get_config_db_path(current_app)
 
+    # Get cleanup age for successful tasks from config (in seconds)
+    successful_task_cleanup_age = current_app.config.get('SUCCESSFUL_TASK_CLEANUP_AGE', 3600)
+
     try:
         conn = sqlite3.connect(str(db_path), check_same_thread=False)
         conn.execute("PRAGMA foreign_keys=ON")
         conn.execute("PRAGMA busy_timeout=3000")
 
-        # Update downloaded timestamp and set deletion time (10 minutes later)
+        # Update downloaded timestamp and set deletion time based on config
         conn.execute("""
             UPDATE tasks
             SET downloaded_at = datetime('now', '+8 hours'),
-                delete_after_at = datetime('now', '+8 hours', '+10 minutes')
+                delete_after_at = datetime('now', '+8 hours', '+' || ? || ' seconds')
             WHERE task_id = ?
-        """, (task_id,))
+        """, (successful_task_cleanup_age, task_id))
 
         conn.commit()
-        logger.info(f"Task {task_id} marked as downloaded, scheduled for deletion in 10 minutes")
+        logger.info(f"Task {task_id} marked as downloaded, scheduled for deletion in {successful_task_cleanup_age} seconds")
 
     except Exception as e:
         logger.error(f"Failed to mark task {task_id} as downloaded: {str(e)}", exc_info=True)