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# -*- coding:utf-8 -*-
import json
import logging
from typing import Generator, Union
from flask import stream_with_context, Response
from flask_login import current_user
from flask_restful import reqparse, fields, marshal_with
from flask_restful.inputs import int_range
from werkzeug.exceptions import NotFound, InternalServerError
import services
from controllers.console import api
from controllers.console.app.error import AppMoreLikeThisDisabledError, ProviderNotInitializeError, \
ProviderQuotaExceededError, ProviderModelCurrentlyNotSupportError, CompletionRequestError
from controllers.console.explore.error import NotCompletionAppError, AppSuggestedQuestionsAfterAnswerDisabledError
from controllers.console.explore.wraps import InstalledAppResource
from core.llm.error import LLMRateLimitError, LLMBadRequestError, LLMAuthorizationError, LLMAPIConnectionError, \
ProviderTokenNotInitError, LLMAPIUnavailableError, QuotaExceededError, ModelCurrentlyNotSupportError
from libs.helper import uuid_value, TimestampField
from services.completion_service import CompletionService
from services.errors.app import MoreLikeThisDisabledError
from services.errors.conversation import ConversationNotExistsError
from services.errors.message import MessageNotExistsError, SuggestedQuestionsAfterAnswerDisabledError
from services.message_service import MessageService
class MessageListApi(InstalledAppResource):
feedback_fields = {
'rating': fields.String
}
message_fields = {
'id': fields.String,
'conversation_id': fields.String,
'inputs': fields.Raw,
'query': fields.String,
'answer': fields.String,
'feedback': fields.Nested(feedback_fields, attribute='user_feedback', allow_null=True),
'created_at': TimestampField
}
message_infinite_scroll_pagination_fields = {
'limit': fields.Integer,
'has_more': fields.Boolean,
'data': fields.List(fields.Nested(message_fields))
}
@marshal_with(message_infinite_scroll_pagination_fields)
def get(self, installed_app):
app_model = installed_app.app
if app_model.mode != 'chat':
raise NotChatAppError()
parser = reqparse.RequestParser()
parser.add_argument('conversation_id', required=True, type=uuid_value, location='args')
parser.add_argument('first_id', type=uuid_value, location='args')
parser.add_argument('limit', type=int_range(1, 100), required=False, default=20, location='args')
args = parser.parse_args()
try:
return MessageService.pagination_by_first_id(app_model, current_user,
args['conversation_id'], args['first_id'], args['limit'])
except services.errors.conversation.ConversationNotExistsError:
raise NotFound("Conversation Not Exists.")
except services.errors.message.FirstMessageNotExistsError:
raise NotFound("First Message Not Exists.")
class MessageFeedbackApi(InstalledAppResource):
def post(self, installed_app, message_id):
app_model = installed_app.app
message_id = str(message_id)
parser = reqparse.RequestParser()
parser.add_argument('rating', type=str, choices=['like', 'dislike', None], location='json')
args = parser.parse_args()
try:
MessageService.create_feedback(app_model, message_id, current_user, args['rating'])
except services.errors.message.MessageNotExistsError:
raise NotFound("Message Not Exists.")
return {'result': 'success'}
class MessageMoreLikeThisApi(InstalledAppResource):
def get(self, installed_app, message_id):
app_model = installed_app.app
if app_model.mode != 'completion':
raise NotCompletionAppError()
message_id = str(message_id)
parser = reqparse.RequestParser()
parser.add_argument('response_mode', type=str, required=True, choices=['blocking', 'streaming'], location='args')
args = parser.parse_args()
streaming = args['response_mode'] == 'streaming'
try:
response = CompletionService.generate_more_like_this(app_model, current_user, message_id, streaming)
return compact_response(response)
except MessageNotExistsError:
raise NotFound("Message Not Exists.")
except MoreLikeThisDisabledError:
raise AppMoreLikeThisDisabledError()
except ProviderTokenNotInitError:
raise ProviderNotInitializeError()
except QuotaExceededError:
raise ProviderQuotaExceededError()
except ModelCurrentlyNotSupportError:
raise ProviderModelCurrentlyNotSupportError()
except (LLMBadRequestError, LLMAPIConnectionError, LLMAPIUnavailableError,
LLMRateLimitError, LLMAuthorizationError) as e:
raise CompletionRequestError(str(e))
except ValueError as e:
raise e
except Exception:
logging.exception("internal server error.")
raise InternalServerError()
def compact_response(response: Union[dict | Generator]) -> Response:
if isinstance(response, dict):
return Response(response=json.dumps(response), status=200, mimetype='application/json')
else:
def generate() -> Generator:
try:
for chunk in response:
yield chunk
except MessageNotExistsError:
yield "data: " + json.dumps(api.handle_error(NotFound("Message Not Exists.")).get_json()) + "\n\n"
except MoreLikeThisDisabledError:
yield "data: " + json.dumps(api.handle_error(AppMoreLikeThisDisabledError()).get_json()) + "\n\n"
except ProviderTokenNotInitError:
yield "data: " + json.dumps(api.handle_error(ProviderNotInitializeError()).get_json()) + "\n\n"
except QuotaExceededError:
yield "data: " + json.dumps(api.handle_error(ProviderQuotaExceededError()).get_json()) + "\n\n"
except ModelCurrentlyNotSupportError:
yield "data: " + json.dumps(api.handle_error(ProviderModelCurrentlyNotSupportError()).get_json()) + "\n\n"
except (LLMBadRequestError, LLMAPIConnectionError, LLMAPIUnavailableError,
LLMRateLimitError, LLMAuthorizationError) as e:
yield "data: " + json.dumps(api.handle_error(CompletionRequestError(str(e))).get_json()) + "\n\n"
except ValueError as e:
yield "data: " + json.dumps(api.handle_error(e).get_json()) + "\n\n"
except Exception:
logging.exception("internal server error.")
yield "data: " + json.dumps(api.handle_error(InternalServerError()).get_json()) + "\n\n"
return Response(stream_with_context(generate()), status=200,
mimetype='text/event-stream')
class MessageSuggestedQuestionApi(InstalledAppResource):
def get(self, installed_app, message_id):
app_model = installed_app.app
if app_model.mode != 'chat':
raise NotCompletionAppError()
message_id = str(message_id)
try:
questions = MessageService.get_suggested_questions_after_answer(
app_model=app_model,
user=current_user,
message_id=message_id
)
except MessageNotExistsError:
raise NotFound("Message not found")
except ConversationNotExistsError:
raise NotFound("Conversation not found")
except SuggestedQuestionsAfterAnswerDisabledError:
raise AppSuggestedQuestionsAfterAnswerDisabledError()
except ProviderTokenNotInitError:
raise ProviderNotInitializeError()
except QuotaExceededError:
raise ProviderQuotaExceededError()
except ModelCurrentlyNotSupportError:
raise ProviderModelCurrentlyNotSupportError()
except (LLMBadRequestError, LLMAPIConnectionError, LLMAPIUnavailableError,
LLMRateLimitError, LLMAuthorizationError) as e:
raise CompletionRequestError(str(e))
except Exception:
logging.exception("internal server error.")
raise InternalServerError()
return {'data': questions}
api.add_resource(MessageListApi, '/installed-apps/<uuid:installed_app_id>/messages', endpoint='installed_app_messages')
api.add_resource(MessageFeedbackApi, '/installed-apps/<uuid:installed_app_id>/messages/<uuid:message_id>/feedbacks', endpoint='installed_app_message_feedback')
api.add_resource(MessageMoreLikeThisApi, '/installed-apps/<uuid:installed_app_id>/messages/<uuid:message_id>/more-like-this', endpoint='installed_app_more_like_this')
api.add_resource(MessageSuggestedQuestionApi, '/installed-apps/<uuid:installed_app_id>/messages/<uuid:message_id>/suggested-questions', endpoint='installed_app_suggested_question')