ss

backend/app/core/redis_client.py

@@ -0,0 +1,69 @@
+"""
+Redis客户端
+"""
+import redis
+from app.core.config import settings
+import logging
+
+logger = logging.getLogger(__name__)
+
+_redis_client = None
+
+def get_redis_client():
+    """
+    获取Redis客户端（单例模式）
+    
+    Returns:
+        redis.Redis: Redis客户端实例，如果连接失败则返回None
+    """
+    global _redis_client
+    
+    if _redis_client is not None:
+        try:
+            # 测试连接
+            _redis_client.ping()
+            return _redis_client
+        except:
+            # 连接已断开，重新创建
+            _redis_client = None
+    
+    try:
+        redis_url = getattr(settings, 'REDIS_URL', None)
+        if not redis_url:
+            logger.warning("REDIS_URL未配置，无法使用Redis缓存")
+            return None
+        
+        # 解析Redis URL: redis://host:port/db
+        if redis_url.startswith('redis://'):
+            redis_url = redis_url.replace('redis://', '')
+        
+        # 分离host:port和db
+        parts = redis_url.split('/')
+        host_port = parts[0]
+        db = int(parts[1]) if len(parts) > 1 and parts[1].isdigit() else 0
+        
+        # 分离host和port
+        if ':' in host_port:
+            host, port = host_port.split(':')
+            port = int(port)
+        else:
+            host = host_port
+            port = 6379
+        
+        _redis_client = redis.Redis(
+            host=host,
+            port=port,
+            db=db,
+            decode_responses=True,  # 自动解码为字符串
+            socket_connect_timeout=2,
+            socket_timeout=2
+        )
+        
+        # 测试连接
+        _redis_client.ping()
+        logger.info(f"Redis连接成功: {host}:{port}/{db}")
+        return _redis_client
+    except Exception as e:
+        logger.warning(f"Redis连接失败: {str(e)}，将使用内存缓存")
+        _redis_client = None
+        return None

backend/app/services/workflow_validator.py

@@ -71,7 +71,7 @@ class WorkflowValidator:
             node_type = node.get('type')
             if not node_type:
                 self.errors.append(f"节点 {node_id} 缺少类型")
-            elif node_type not in ['start', 'input', 'llm', 'condition', 'transform', 'output', 'end', 'default', 'loop', 'foreach', 'loop_end', 'agent', 'http', 'request', 'database', 'db', 'file', 'file_operation', 'schedule', 'delay', 'timer', 'webhook', 'email', 'mail', 'message_queue', 'mq', 'rabbitmq', 'kafka']:
+            elif node_type not in ['start', 'input', 'llm', 'condition', 'transform', 'output', 'end', 'default', 'loop', 'foreach', 'loop_end', 'agent', 'http', 'request', 'database', 'db', 'file', 'file_operation', 'schedule', 'delay', 'timer', 'webhook', 'email', 'mail', 'message_queue', 'mq', 'rabbitmq', 'kafka', 'switch', 'merge', 'wait', 'json', 'text', 'cache', 'vector_db', 'log', 'error_handler', 'csv', 'object_storage', 'slack', 'dingtalk', 'dingding', 'wechat_work', 'wecom', 'sms', 'pdf', 'image', 'excel', 'subworkflow', 'code', 'oauth', 'validator', 'batch']:
                 self.warnings.append(f"节点 {node_id} 使用了未知类型: {node_type}")
     
     def _validate_edges(self):