feat：工作流支持调用插件动作

app/actions/invoke_plugin.py

@@ -0,0 +1,71 @@
+from pydantic import Field
+
+from app.actions import BaseAction
+from app.core.plugin import PluginManager
+from app.log import logger
+from app.schemas import ActionParams, ActionContext
+
+
+class InvokePluginParams(ActionParams):
+    """
+    调用插件动作参数
+    """
+    plugin_id: str = Field(default=None, description="插件ID")
+    action_id: str = Field(default=None, description="动作ID")
+    action_params: dict = Field(default={}, description="动作参数")
+
+
+class InvokePluginAction(BaseAction):
+    """
+    调用插件
+    """
+
+    _success = False
+
+    def __init__(self, action_id: str):
+        super().__init__(action_id)
+        self._success = False
+
+    @classmethod
+    @property
+    def name(cls) -> str: # noqa
+        return "调用插件"
+
+    @classmethod
+    @property
+    def description(cls) -> str: # noqa
+        return "调用插件提供的动作"
+
+    @classmethod
+    @property
+    def data(cls) -> dict: # noqa
+        return InvokePluginParams().dict()
+
+    @property
+    def success(self) -> bool:
+        return self._success
+
+    def execute(self, workflow_id: int, params: dict, context: ActionContext) -> ActionContext:
+        """
+        执行插件定义的动作
+        """
+        params = InvokePluginParams(**params)
+        if not params.plugin_id or not params.action_id:
+            return context
+        try:
+            plugin_actions = PluginManager().get_plugin_actions(params.plugin_id)
+            if not plugin_actions:
+                logger.error(f"插件不存在: {params.plugin_id}")
+                return context
+            action = next((action for action in plugin_actions if action.action_id == params.action_id), None)
+            if not action or not action.get("func"):
+                logger.error(f"插件动作不存在: {params.plugin_id} - {params.action_id}")
+                return context
+            # 执行插件动作
+            self._success, context = action["func"](context, **params.action_params)
+        except Exception as e:
+            self._success = False
+            logger.error(f"调用插件动作失败: {e}")
+            return context
+        self.job_done()
+        return context