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import json
import logging
from flask import abort, request
from flask_restful import Resource, marshal_with, reqparse
from werkzeug.exceptions import InternalServerError, NotFound
import services
from controllers.console import api
from controllers.console.app.error import ConversationCompletedError, DraftWorkflowNotExist, DraftWorkflowNotSync
from controllers.console.app.wraps import get_app_model
from controllers.console.setup import setup_required
from controllers.console.wraps import account_initialization_required
from core.app.apps.base_app_queue_manager import AppQueueManager
from core.app.entities.app_invoke_entities import InvokeFrom
from fields.workflow_fields import workflow_fields
from fields.workflow_run_fields import workflow_run_node_execution_fields
from libs import helper
from libs.helper import TimestampField, uuid_value
from libs.login import current_user, login_required
from models.model import App, AppMode
from services.app_generate_service import AppGenerateService
from services.errors.app import WorkflowHashNotEqualError
from services.workflow_service import WorkflowService
logger = logging.getLogger(__name__)
class DraftWorkflowApi(Resource):
@setup_required
@login_required
@account_initialization_required
@get_app_model(mode=[AppMode.ADVANCED_CHAT, AppMode.WORKFLOW])
@marshal_with(workflow_fields)
def get(self, app_model: App):
"""
Get draft workflow
"""
# fetch draft workflow by app_model
workflow_service = WorkflowService()
workflow = workflow_service.get_draft_workflow(app_model=app_model)
if not workflow:
raise DraftWorkflowNotExist()
# return workflow, if not found, return None (initiate graph by frontend)
return workflow
@setup_required
@login_required
@account_initialization_required
@get_app_model(mode=[AppMode.ADVANCED_CHAT, AppMode.WORKFLOW])
def post(self, app_model: App):
"""
Sync draft workflow
"""
content_type = request.headers.get('Content-Type')
if 'application/json' in content_type:
parser = reqparse.RequestParser()
parser.add_argument('graph', type=dict, required=True, nullable=False, location='json')
parser.add_argument('features', type=dict, required=True, nullable=False, location='json')
parser.add_argument('hash', type=str, required=False, location='json')
args = parser.parse_args()
elif 'text/plain' in content_type:
try:
data = json.loads(request.data.decode('utf-8'))
if 'graph' not in data or 'features' not in data:
raise ValueError('graph or features not found in data')
if not isinstance(data.get('graph'), dict) or not isinstance(data.get('features'), dict):
raise ValueError('graph or features is not a dict')
args = {
'graph': data.get('graph'),
'features': data.get('features'),
'hash': data.get('hash')
}
except json.JSONDecodeError:
return {'message': 'Invalid JSON data'}, 400
else:
abort(415)
workflow_service = WorkflowService()
try:
workflow = workflow_service.sync_draft_workflow(
app_model=app_model,
graph=args.get('graph'),
features=args.get('features'),
unique_hash=args.get('hash'),
account=current_user
)
except WorkflowHashNotEqualError:
raise DraftWorkflowNotSync()
return {
"result": "success",
"hash": workflow.unique_hash,
"updated_at": TimestampField().format(workflow.updated_at or workflow.created_at)
}
class AdvancedChatDraftWorkflowRunApi(Resource):
@setup_required
@login_required
@account_initialization_required
@get_app_model(mode=[AppMode.ADVANCED_CHAT])
def post(self, app_model: App):
"""
Run draft workflow
"""
parser = reqparse.RequestParser()
parser.add_argument('inputs', type=dict, location='json')
parser.add_argument('query', type=str, required=True, location='json', default='')
parser.add_argument('files', type=list, location='json')
parser.add_argument('conversation_id', type=uuid_value, location='json')
args = parser.parse_args()
try:
response = AppGenerateService.generate(
app_model=app_model,
user=current_user,
args=args,
invoke_from=InvokeFrom.DEBUGGER,
streaming=True
)
return helper.compact_generate_response(response)
except services.errors.conversation.ConversationNotExistsError:
raise NotFound("Conversation Not Exists.")
except services.errors.conversation.ConversationCompletedError:
raise ConversationCompletedError()
except ValueError as e:
raise e
except Exception as e:
logging.exception("internal server error.")
raise InternalServerError()
class DraftWorkflowRunApi(Resource):
@setup_required
@login_required
@account_initialization_required
@get_app_model(mode=[AppMode.WORKFLOW])
def post(self, app_model: App):
"""
Run draft workflow
"""
parser = reqparse.RequestParser()
parser.add_argument('inputs', type=dict, required=True, nullable=False, location='json')
parser.add_argument('files', type=list, required=False, location='json')
args = parser.parse_args()
try:
response = AppGenerateService.generate(
app_model=app_model,
user=current_user,
args=args,
invoke_from=InvokeFrom.DEBUGGER,
streaming=True
)
return helper.compact_generate_response(response)
except ValueError as e:
raise e
except Exception as e:
logging.exception("internal server error.")
raise InternalServerError()
class WorkflowTaskStopApi(Resource):
@setup_required
@login_required
@account_initialization_required
@get_app_model(mode=[AppMode.ADVANCED_CHAT, AppMode.WORKFLOW])
def post(self, app_model: App, task_id: str):
"""
Stop workflow task
"""
AppQueueManager.set_stop_flag(task_id, InvokeFrom.DEBUGGER, current_user.id)
return {
"result": "success"
}
class DraftWorkflowNodeRunApi(Resource):
@setup_required
@login_required
@account_initialization_required
@get_app_model(mode=[AppMode.ADVANCED_CHAT, AppMode.WORKFLOW])
@marshal_with(workflow_run_node_execution_fields)
def post(self, app_model: App, node_id: str):
"""
Run draft workflow node
"""
parser = reqparse.RequestParser()
parser.add_argument('inputs', type=dict, required=True, nullable=False, location='json')
args = parser.parse_args()
workflow_service = WorkflowService()
workflow_node_execution = workflow_service.run_draft_workflow_node(
app_model=app_model,
node_id=node_id,
user_inputs=args.get('inputs'),
account=current_user
)
return workflow_node_execution
class PublishedWorkflowApi(Resource):
@setup_required
@login_required
@account_initialization_required
@get_app_model(mode=[AppMode.ADVANCED_CHAT, AppMode.WORKFLOW])
@marshal_with(workflow_fields)
def get(self, app_model: App):
"""
Get published workflow
"""
# fetch published workflow by app_model
workflow_service = WorkflowService()
workflow = workflow_service.get_published_workflow(app_model=app_model)
# return workflow, if not found, return None
return workflow
@setup_required
@login_required
@account_initialization_required
@get_app_model(mode=[AppMode.ADVANCED_CHAT, AppMode.WORKFLOW])
def post(self, app_model: App):
"""
Publish workflow
"""
workflow_service = WorkflowService()
workflow = workflow_service.publish_workflow(app_model=app_model, account=current_user)
return {
"result": "success",
"created_at": TimestampField().format(workflow.created_at)
}
class DefaultBlockConfigsApi(Resource):
@setup_required
@login_required
@account_initialization_required
@get_app_model(mode=[AppMode.ADVANCED_CHAT, AppMode.WORKFLOW])
def get(self, app_model: App):
"""
Get default block config
"""
# Get default block configs
workflow_service = WorkflowService()
return workflow_service.get_default_block_configs()
class DefaultBlockConfigApi(Resource):
@setup_required
@login_required
@account_initialization_required
@get_app_model(mode=[AppMode.ADVANCED_CHAT, AppMode.WORKFLOW])
def get(self, app_model: App, block_type: str):
"""
Get default block config
"""
parser = reqparse.RequestParser()
parser.add_argument('q', type=str, location='args')
args = parser.parse_args()
filters = None
if args.get('q'):
try:
filters = json.loads(args.get('q'))
except json.JSONDecodeError:
raise ValueError('Invalid filters')
# Get default block configs
workflow_service = WorkflowService()
return workflow_service.get_default_block_config(
node_type=block_type,
filters=filters
)
class ConvertToWorkflowApi(Resource):
@setup_required
@login_required
@account_initialization_required
@get_app_model(mode=[AppMode.CHAT, AppMode.COMPLETION])
def post(self, app_model: App):
"""
Convert basic mode of chatbot app to workflow mode
Convert expert mode of chatbot app to workflow mode
Convert Completion App to Workflow App
"""
if request.data:
parser = reqparse.RequestParser()
parser.add_argument('name', type=str, required=False, nullable=True, location='json')
parser.add_argument('icon', type=str, required=False, nullable=True, location='json')
parser.add_argument('icon_background', type=str, required=False, nullable=True, location='json')
args = parser.parse_args()
else:
args = {}
# convert to workflow mode
workflow_service = WorkflowService()
new_app_model = workflow_service.convert_to_workflow(
app_model=app_model,
account=current_user,
args=args
)
# return app id
return {
'new_app_id': new_app_model.id,
}
api.add_resource(DraftWorkflowApi, '/apps/<uuid:app_id>/workflows/draft')
api.add_resource(AdvancedChatDraftWorkflowRunApi, '/apps/<uuid:app_id>/advanced-chat/workflows/draft/run')
api.add_resource(DraftWorkflowRunApi, '/apps/<uuid:app_id>/workflows/draft/run')
api.add_resource(WorkflowTaskStopApi, '/apps/<uuid:app_id>/workflow-runs/tasks/<string:task_id>/stop')
api.add_resource(DraftWorkflowNodeRunApi, '/apps/<uuid:app_id>/workflows/draft/nodes/<string:node_id>/run')
api.add_resource(PublishedWorkflowApi, '/apps/<uuid:app_id>/workflows/publish')
api.add_resource(DefaultBlockConfigsApi, '/apps/<uuid:app_id>/workflows/default-workflow-block-configs')
api.add_resource(DefaultBlockConfigApi, '/apps/<uuid:app_id>/workflows/default-workflow-block-configs'
'/<string:block_type>')
api.add_resource(ConvertToWorkflowApi, '/apps/<uuid:app_id>/convert-to-workflow')
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