dify/api/controllers/web/conversation.py

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# -*- coding:utf-8 -*-
from controllers.web import api
from controllers.web.error import NotChatAppError
from controllers.web.wraps import WebApiResource
from fields.conversation_fields import conversation_infinite_scroll_pagination_fields, simple_conversation_fields
from flask_restful import fields, marshal_with, reqparse
from flask_restful.inputs import int_range
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from libs.helper import TimestampField, uuid_value
from services.conversation_service import ConversationService
from services.errors.conversation import ConversationNotExistsError, LastConversationNotExistsError
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from services.web_conversation_service import WebConversationService
from werkzeug.exceptions import NotFound
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class ConversationListApi(WebApiResource):
@marshal_with(conversation_infinite_scroll_pagination_fields)
def get(self, app_model, end_user):
if app_model.mode != 'chat':
raise NotChatAppError()
parser = reqparse.RequestParser()
parser.add_argument('last_id', type=uuid_value, location='args')
parser.add_argument('limit', type=int_range(1, 100), required=False, default=20, location='args')
parser.add_argument('pinned', type=str, choices=['true', 'false', None], location='args')
args = parser.parse_args()
pinned = None
if 'pinned' in args and args['pinned'] is not None:
pinned = True if args['pinned'] == 'true' else False
try:
return WebConversationService.pagination_by_last_id(
app_model=app_model,
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user=end_user,
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last_id=args['last_id'],
limit=args['limit'],
pinned=pinned
)
except LastConversationNotExistsError:
raise NotFound("Last Conversation Not Exists.")
class ConversationApi(WebApiResource):
def delete(self, app_model, end_user, c_id):
if app_model.mode != 'chat':
raise NotChatAppError()
conversation_id = str(c_id)
try:
ConversationService.delete(app_model, conversation_id, end_user)
except ConversationNotExistsError:
raise NotFound("Conversation Not Exists.")
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WebConversationService.unpin(app_model, conversation_id, end_user)
return {"result": "success"}, 204
class ConversationRenameApi(WebApiResource):
@marshal_with(simple_conversation_fields)
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def post(self, app_model, end_user, c_id):
if app_model.mode != 'chat':
raise NotChatAppError()
conversation_id = str(c_id)
parser = reqparse.RequestParser()
parser.add_argument('name', type=str, required=False, location='json')
parser.add_argument('auto_generate', type=bool, required=False, default=False, location='json')
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args = parser.parse_args()
try:
return ConversationService.rename(
app_model,
conversation_id,
end_user,
args['name'],
args['auto_generate']
)
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except ConversationNotExistsError:
raise NotFound("Conversation Not Exists.")
class ConversationPinApi(WebApiResource):
def patch(self, app_model, end_user, c_id):
if app_model.mode != 'chat':
raise NotChatAppError()
conversation_id = str(c_id)
try:
WebConversationService.pin(app_model, conversation_id, end_user)
except ConversationNotExistsError:
raise NotFound("Conversation Not Exists.")
return {"result": "success"}
class ConversationUnPinApi(WebApiResource):
def patch(self, app_model, end_user, c_id):
if app_model.mode != 'chat':
raise NotChatAppError()
conversation_id = str(c_id)
WebConversationService.unpin(app_model, conversation_id, end_user)
return {"result": "success"}
api.add_resource(ConversationRenameApi, '/conversations/<uuid:c_id>/name', endpoint='web_conversation_name')
api.add_resource(ConversationListApi, '/conversations')
api.add_resource(ConversationApi, '/conversations/<uuid:c_id>')
api.add_resource(ConversationPinApi, '/conversations/<uuid:c_id>/pin')
api.add_resource(ConversationUnPinApi, '/conversations/<uuid:c_id>/unpin')