dify/api/services/trigger_service.py

68 lines
2.5 KiB
Python

import logging
from flask import Request, Response
from core.plugin.entities.plugin import TriggerProviderID
from core.trigger.entities.entities import TriggerEntity
from core.trigger.trigger_manager import TriggerManager
from models.trigger import TriggerSubscription
from services.trigger.trigger_provider_service import TriggerProviderService
logger = logging.getLogger(__name__)
class TriggerService:
__TEMPORARY_ENDPOINT_EXPIRE_MS__ = 5 * 60 * 1000
__ENDPOINT_REQUEST_CACHE_COUNT__ = 10
__ENDPOINT_REQUEST_CACHE_EXPIRE_MS__ = 5 * 60 * 1000
@classmethod
def process_triggered_workflows(
cls, subscription: TriggerSubscription, trigger: TriggerEntity, request: Request
) -> None:
"""Process triggered workflows."""
pass
@classmethod
def select_triggers(cls, controller, dispatch_response, provider_id, subscription) -> list[TriggerEntity]:
triggers = []
for trigger_name in dispatch_response.triggers:
trigger = controller.get_trigger(trigger_name)
if trigger is None:
logger.error(
"Trigger '%s' not found in provider '%s' for tenant '%s'",
trigger_name,
provider_id,
subscription.tenant_id,
)
raise ValueError(f"Trigger '{trigger_name}' not found")
triggers.append(trigger)
return triggers
@classmethod
def process_endpoint(cls, endpoint_id: str, request: Request) -> Response | None:
"""Extract and process data from incoming endpoint request."""
subscription = TriggerProviderService.get_subscription_by_endpoint(endpoint_id)
if not subscription:
return None
provider_id = TriggerProviderID(subscription.provider_id)
controller = TriggerManager.get_trigger_provider(subscription.tenant_id, provider_id)
if not controller:
return None
dispatch_response = controller.dispatch(
user_id=subscription.user_id, request=request, subscription=subscription.to_entity()
)
# TODO invoke triggers
if dispatch_response.triggers:
triggers = cls.select_triggers(controller, dispatch_response, provider_id, subscription)
for trigger in triggers:
cls.process_triggered_workflows(
subscription=subscription,
trigger=trigger,
request=request,
)
return dispatch_response.response