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211 lines
8.8 KiB
Python
211 lines
8.8 KiB
Python
import logging
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from flask_restful import Resource, reqparse
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from pydantic import ValidationError
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from werkzeug.exceptions import InternalServerError, NotFound
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import services
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from controllers.web import api
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from controllers.web.error import (
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AppUnavailableError,
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CompletionRequestError,
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ConversationCompletedError,
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NotChatAppError,
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NotCompletionAppError,
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ProviderModelCurrentlyNotSupportError,
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ProviderNotInitializeError,
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ProviderQuotaExceededError,
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)
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from controllers.web.error import InvokeRateLimitError as InvokeRateLimitHttpError
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from controllers.web.wraps import WebApiResource
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from core.app.app_config.entities import VariableEntity
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from core.app.apps.base_app_queue_manager import AppQueueManager
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from core.app.entities.app_invoke_entities import InvokeFrom
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from core.errors.error import (
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ModelCurrentlyNotSupportError,
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ProviderTokenNotInitError,
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QuotaExceededError,
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)
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from core.mcp.server.handler import MCPServerReuqestHandler
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from core.mcp.types import ClientRequest
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from core.model_runtime.errors.invoke import InvokeError
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from extensions.ext_database import db
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from libs import helper
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from libs.helper import uuid_value
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from models.model import App, AppMCPServer, AppMode
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from services.app_generate_service import AppGenerateService
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from services.errors.llm import InvokeRateLimitError
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# define completion api for user
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class CompletionApi(WebApiResource):
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def post(self, app_model, end_user):
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if app_model.mode != "completion":
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raise NotCompletionAppError()
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parser = reqparse.RequestParser()
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parser.add_argument("inputs", type=dict, required=True, location="json")
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parser.add_argument("query", type=str, location="json", default="")
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parser.add_argument("files", type=list, required=False, location="json")
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parser.add_argument("response_mode", type=str, choices=["blocking", "streaming"], location="json")
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parser.add_argument("retriever_from", type=str, required=False, default="web_app", location="json")
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args = parser.parse_args()
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streaming = args["response_mode"] == "streaming"
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args["auto_generate_name"] = False
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try:
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response = AppGenerateService.generate(
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app_model=app_model, user=end_user, args=args, invoke_from=InvokeFrom.WEB_APP, streaming=streaming
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)
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return helper.compact_generate_response(response)
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except services.errors.conversation.ConversationNotExistsError:
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raise NotFound("Conversation Not Exists.")
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except services.errors.conversation.ConversationCompletedError:
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raise ConversationCompletedError()
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except services.errors.app_model_config.AppModelConfigBrokenError:
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logging.exception("App model config broken.")
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raise AppUnavailableError()
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except ProviderTokenNotInitError as ex:
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raise ProviderNotInitializeError(ex.description)
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except QuotaExceededError:
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raise ProviderQuotaExceededError()
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except ModelCurrentlyNotSupportError:
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raise ProviderModelCurrentlyNotSupportError()
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except InvokeError as e:
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raise CompletionRequestError(e.description)
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except ValueError as e:
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raise e
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except Exception as e:
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logging.exception("internal server error.")
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raise InternalServerError()
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class CompletionStopApi(WebApiResource):
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def post(self, app_model, end_user, task_id):
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if app_model.mode != "completion":
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raise NotCompletionAppError()
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AppQueueManager.set_stop_flag(task_id, InvokeFrom.WEB_APP, end_user.id)
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return {"result": "success"}, 200
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class ChatApi(WebApiResource):
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def post(self, app_model, end_user):
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app_mode = AppMode.value_of(app_model.mode)
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if app_mode not in {AppMode.CHAT, AppMode.AGENT_CHAT, AppMode.ADVANCED_CHAT}:
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raise NotChatAppError()
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parser = reqparse.RequestParser()
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parser.add_argument("inputs", type=dict, required=True, location="json")
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parser.add_argument("query", type=str, required=True, location="json")
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parser.add_argument("files", type=list, required=False, location="json")
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parser.add_argument("response_mode", type=str, choices=["blocking", "streaming"], location="json")
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parser.add_argument("conversation_id", type=uuid_value, location="json")
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parser.add_argument("parent_message_id", type=uuid_value, required=False, location="json")
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parser.add_argument("retriever_from", type=str, required=False, default="web_app", location="json")
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args = parser.parse_args()
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streaming = args["response_mode"] == "streaming"
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args["auto_generate_name"] = False
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try:
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response = AppGenerateService.generate(
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app_model=app_model, user=end_user, args=args, invoke_from=InvokeFrom.WEB_APP, streaming=streaming
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)
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return helper.compact_generate_response(response)
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except services.errors.conversation.ConversationNotExistsError:
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raise NotFound("Conversation Not Exists.")
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except services.errors.conversation.ConversationCompletedError:
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raise ConversationCompletedError()
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except services.errors.app_model_config.AppModelConfigBrokenError:
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logging.exception("App model config broken.")
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raise AppUnavailableError()
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except ProviderTokenNotInitError as ex:
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raise ProviderNotInitializeError(ex.description)
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except QuotaExceededError:
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raise ProviderQuotaExceededError()
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except ModelCurrentlyNotSupportError:
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raise ProviderModelCurrentlyNotSupportError()
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except InvokeRateLimitError as ex:
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raise InvokeRateLimitHttpError(ex.description)
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except InvokeError as e:
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raise CompletionRequestError(e.description)
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except ValueError as e:
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raise e
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except Exception as e:
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logging.exception("internal server error.")
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raise InternalServerError()
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class ChatStopApi(WebApiResource):
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def post(self, app_model, end_user, task_id):
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app_mode = AppMode.value_of(app_model.mode)
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if app_mode not in {AppMode.CHAT, AppMode.AGENT_CHAT, AppMode.ADVANCED_CHAT}:
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raise NotChatAppError()
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AppQueueManager.set_stop_flag(task_id, InvokeFrom.WEB_APP, end_user.id)
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return {"result": "success"}, 200
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class ChatMCPApi(Resource):
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def post(self, server_code):
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def int_or_str(value):
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if isinstance(value, int):
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return value
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elif isinstance(value, str):
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return int(value)
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else:
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raise ValueError("Invalid id")
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parser = reqparse.RequestParser()
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parser.add_argument("jsonrpc", type=str, required=True, location="json")
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parser.add_argument("method", type=str, required=True, location="json")
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parser.add_argument("params", type=dict, required=True, location="json")
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parser.add_argument("id", type=int_or_str, required=True, location="json")
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args = parser.parse_args()
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server = db.session.query(AppMCPServer).filter(AppMCPServer.server_code == server_code).first()
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if not server:
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raise NotFound("Server Not Found")
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app = db.session.query(App).filter(App.id == server.app_id).first()
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if not app:
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raise NotFound("App Not Found")
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if app.mode in {AppMode.ADVANCED_CHAT.value, AppMode.WORKFLOW.value}:
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workflow = app.workflow
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if workflow is None:
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raise AppUnavailableError()
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features_dict = workflow.features_dict
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user_input_form = workflow.user_input_form(to_old_structure=True)
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else:
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app_model_config = app.app_model_config
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if app_model_config is None:
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raise AppUnavailableError()
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features_dict = app_model_config.to_dict()
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user_input_form = features_dict.get("user_input_form", [])
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try:
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user_input_form = [VariableEntity.model_validate(item) for item in user_input_form]
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except ValidationError as e:
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raise ValueError(f"Invalid user_input_form: {str(e)}")
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try:
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request = ClientRequest.model_validate(args)
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except ValidationError as e:
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raise ValueError(f"Invalid MCP request: {str(e)}")
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mcp_server_handler = MCPServerReuqestHandler(app, request, user_input_form)
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return helper.compact_generate_response(mcp_server_handler.handle())
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api.add_resource(CompletionApi, "/completion-messages")
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api.add_resource(CompletionStopApi, "/completion-messages/<string:task_id>/stop")
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api.add_resource(ChatApi, "/chat-messages")
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api.add_resource(ChatMCPApi, "/server/<string:server_code>/mcp")
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api.add_resource(ChatStopApi, "/chat-messages/<string:task_id>/stop")
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