dify/api/controllers/service_api/app/message.py

132 lines
5.1 KiB
Python

from flask_restful import Resource, fields, marshal_with, reqparse
from flask_restful.inputs import int_range
from werkzeug.exceptions import NotFound
import services
from controllers.service_api import api
from controllers.service_api.app.error import NotChatAppError
from controllers.service_api.wraps import FetchUserArg, WhereisUserArg, validate_app_token
from fields.conversation_fields import message_file_fields
from libs.helper import TimestampField, uuid_value
from models.model import App, EndUser
from services.message_service import MessageService
class MessageListApi(Resource):
feedback_fields = {
'rating': fields.String
}
retriever_resource_fields = {
'id': fields.String,
'message_id': fields.String,
'position': fields.Integer,
'dataset_id': fields.String,
'dataset_name': fields.String,
'document_id': fields.String,
'document_name': fields.String,
'data_source_type': fields.String,
'segment_id': fields.String,
'score': fields.Float,
'hit_count': fields.Integer,
'word_count': fields.Integer,
'segment_position': fields.Integer,
'index_node_hash': fields.String,
'content': fields.String,
'created_at': TimestampField
}
agent_thought_fields = {
'id': fields.String,
'chain_id': fields.String,
'message_id': fields.String,
'position': fields.Integer,
'thought': fields.String,
'tool': fields.String,
'tool_labels': fields.Raw,
'tool_input': fields.String,
'created_at': TimestampField,
'observation': fields.String,
'message_files': fields.List(fields.String, attribute='files')
}
message_fields = {
'id': fields.String,
'conversation_id': fields.String,
'inputs': fields.Raw,
'query': fields.String,
'answer': fields.String,
'message_files': fields.List(fields.Nested(message_file_fields), attribute='files'),
'feedback': fields.Nested(feedback_fields, attribute='user_feedback', allow_null=True),
'retriever_resources': fields.List(fields.Nested(retriever_resource_fields)),
'created_at': TimestampField,
'agent_thoughts': fields.List(fields.Nested(agent_thought_fields))
}
message_infinite_scroll_pagination_fields = {
'limit': fields.Integer,
'has_more': fields.Boolean,
'data': fields.List(fields.Nested(message_fields))
}
@validate_app_token(fetch_user_arg=FetchUserArg(fetch_from=WhereisUserArg.QUERY))
@marshal_with(message_infinite_scroll_pagination_fields)
def get(self, app_model: App, end_user: EndUser):
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, end_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(Resource):
@validate_app_token(fetch_user_arg=FetchUserArg(fetch_from=WhereisUserArg.JSON))
def post(self, app_model: App, end_user: EndUser, message_id):
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, end_user, args['rating'])
except services.errors.message.MessageNotExistsError:
raise NotFound("Message Not Exists.")
return {'result': 'success'}
class MessageSuggestedApi(Resource):
@validate_app_token(fetch_user_arg=FetchUserArg(fetch_from=WhereisUserArg.QUERY))
def get(self, app_model: App, end_user: EndUser, message_id):
message_id = str(message_id)
if app_model.mode != 'chat':
raise NotChatAppError()
try:
questions = MessageService.get_suggested_questions_after_answer(
app_model=app_model,
user=end_user,
message_id=message_id,
check_enabled=False
)
except services.errors.message.MessageNotExistsError:
raise NotFound("Message Not Exists.")
return {'result': 'success', 'data': questions}
api.add_resource(MessageListApi, '/messages')
api.add_resource(MessageFeedbackApi, '/messages/<uuid:message_id>/feedbacks')
api.add_resource(MessageSuggestedApi, '/messages/<uuid:message_id>/suggested')