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feat: introduce trigger functionality (#27644)
Signed-off-by: lyzno1 <yuanyouhuilyz@gmail.com> Co-authored-by: Stream <Stream_2@qq.com> Co-authored-by: lyzno1 <92089059+lyzno1@users.noreply.github.com> Co-authored-by: zhsama <torvalds@linux.do> Co-authored-by: Harry <xh001x@hotmail.com> Co-authored-by: lyzno1 <yuanyouhuilyz@gmail.com> Co-authored-by: yessenia <yessenia.contact@gmail.com> Co-authored-by: hjlarry <hjlarry@163.com> Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com> Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com> Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com> Co-authored-by: WTW0313 <twwu@dify.ai> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
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Yeuoly
@@ -6,12 +6,18 @@ from .create_site_record_when_app_created import handle as handle_create_site_re
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from .delete_tool_parameters_cache_when_sync_draft_workflow import (
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handle as handle_delete_tool_parameters_cache_when_sync_draft_workflow,
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)
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from .sync_plugin_trigger_when_app_created import handle as handle_sync_plugin_trigger_when_app_created
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from .sync_webhook_when_app_created import handle as handle_sync_webhook_when_app_created
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from .sync_workflow_schedule_when_app_published import handle as handle_sync_workflow_schedule_when_app_published
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from .update_app_dataset_join_when_app_model_config_updated import (
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handle as handle_update_app_dataset_join_when_app_model_config_updated,
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)
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from .update_app_dataset_join_when_app_published_workflow_updated import (
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handle as handle_update_app_dataset_join_when_app_published_workflow_updated,
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)
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from .update_app_triggers_when_app_published_workflow_updated import (
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handle as handle_update_app_triggers_when_app_published_workflow_updated,
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)
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# Consolidated handler replaces both deduct_quota_when_message_created and
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# update_provider_last_used_at_when_message_created
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@@ -24,7 +30,11 @@ __all__ = [
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"handle_create_installed_app_when_app_created",
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"handle_create_site_record_when_app_created",
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"handle_delete_tool_parameters_cache_when_sync_draft_workflow",
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"handle_sync_plugin_trigger_when_app_created",
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"handle_sync_webhook_when_app_created",
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"handle_sync_workflow_schedule_when_app_published",
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"handle_update_app_dataset_join_when_app_model_config_updated",
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"handle_update_app_dataset_join_when_app_published_workflow_updated",
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"handle_update_app_triggers_when_app_published_workflow_updated",
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"handle_update_provider_when_message_created",
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]
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@@ -0,0 +1,22 @@
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import logging
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from events.app_event import app_draft_workflow_was_synced
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from models.model import App, AppMode
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from models.workflow import Workflow
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from services.trigger.trigger_service import TriggerService
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logger = logging.getLogger(__name__)
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@app_draft_workflow_was_synced.connect
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def handle(sender, synced_draft_workflow: Workflow, **kwargs):
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"""
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While creating a workflow or updating a workflow, we may need to sync
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its plugin trigger relationships in DB.
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"""
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app: App = sender
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if app.mode != AppMode.WORKFLOW.value:
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# only handle workflow app, chatflow is not supported yet
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return
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TriggerService.sync_plugin_trigger_relationships(app, synced_draft_workflow)
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22
api/events/event_handlers/sync_webhook_when_app_created.py
Normal file
22
api/events/event_handlers/sync_webhook_when_app_created.py
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@@ -0,0 +1,22 @@
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import logging
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from events.app_event import app_draft_workflow_was_synced
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from models.model import App, AppMode
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from models.workflow import Workflow
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from services.trigger.webhook_service import WebhookService
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logger = logging.getLogger(__name__)
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@app_draft_workflow_was_synced.connect
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def handle(sender, synced_draft_workflow: Workflow, **kwargs):
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"""
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While creating a workflow or updating a workflow, we may need to sync
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its webhook relationships in DB.
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"""
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app: App = sender
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if app.mode != AppMode.WORKFLOW.value:
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# only handle workflow app, chatflow is not supported yet
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return
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WebhookService.sync_webhook_relationships(app, synced_draft_workflow)
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@@ -0,0 +1,86 @@
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import logging
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from typing import cast
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from sqlalchemy import select
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from sqlalchemy.orm import Session
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from core.workflow.nodes.trigger_schedule.entities import SchedulePlanUpdate
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from events.app_event import app_published_workflow_was_updated
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from extensions.ext_database import db
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from models import AppMode, Workflow, WorkflowSchedulePlan
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from services.trigger.schedule_service import ScheduleService
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logger = logging.getLogger(__name__)
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@app_published_workflow_was_updated.connect
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def handle(sender, **kwargs):
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"""
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Handle app published workflow update event to sync workflow_schedule_plans table.
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When a workflow is published, this handler will:
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1. Extract schedule trigger nodes from the workflow graph
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2. Compare with existing workflow_schedule_plans records
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3. Create/update/delete schedule plans as needed
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"""
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app = sender
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if app.mode != AppMode.WORKFLOW.value:
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return
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published_workflow = kwargs.get("published_workflow")
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published_workflow = cast(Workflow, published_workflow)
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sync_schedule_from_workflow(tenant_id=app.tenant_id, app_id=app.id, workflow=published_workflow)
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def sync_schedule_from_workflow(tenant_id: str, app_id: str, workflow: Workflow) -> WorkflowSchedulePlan | None:
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"""
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Sync schedule plan from workflow graph configuration.
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Args:
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tenant_id: Tenant ID
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app_id: App ID
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workflow: Published workflow instance
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Returns:
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Updated or created WorkflowSchedulePlan, or None if no schedule node
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"""
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with Session(db.engine) as session:
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schedule_config = ScheduleService.extract_schedule_config(workflow)
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existing_plan = session.scalar(
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select(WorkflowSchedulePlan).where(
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WorkflowSchedulePlan.tenant_id == tenant_id,
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WorkflowSchedulePlan.app_id == app_id,
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)
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)
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if not schedule_config:
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if existing_plan:
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logger.info("No schedule node in workflow for app %s, removing schedule plan", app_id)
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ScheduleService.delete_schedule(session=session, schedule_id=existing_plan.id)
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session.commit()
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return None
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if existing_plan:
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updates = SchedulePlanUpdate(
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node_id=schedule_config.node_id,
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cron_expression=schedule_config.cron_expression,
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timezone=schedule_config.timezone,
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)
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updated_plan = ScheduleService.update_schedule(
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session=session,
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schedule_id=existing_plan.id,
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updates=updates,
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)
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session.commit()
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return updated_plan
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else:
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new_plan = ScheduleService.create_schedule(
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session=session,
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tenant_id=tenant_id,
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app_id=app_id,
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config=schedule_config,
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)
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session.commit()
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return new_plan
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@@ -0,0 +1,114 @@
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from typing import cast
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from sqlalchemy import select
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from sqlalchemy.orm import Session
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from core.workflow.nodes import NodeType
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from events.app_event import app_published_workflow_was_updated
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from extensions.ext_database import db
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from models import AppMode
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from models.enums import AppTriggerStatus
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from models.trigger import AppTrigger
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from models.workflow import Workflow
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@app_published_workflow_was_updated.connect
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def handle(sender, **kwargs):
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"""
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Handle app published workflow update event to sync app_triggers table.
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When a workflow is published, this handler will:
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1. Extract trigger nodes from the workflow graph
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2. Compare with existing app_triggers records
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3. Add new triggers and remove obsolete ones
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"""
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app = sender
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if app.mode != AppMode.WORKFLOW.value:
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return
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published_workflow = kwargs.get("published_workflow")
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published_workflow = cast(Workflow, published_workflow)
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# Extract trigger info from workflow
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trigger_infos = get_trigger_infos_from_workflow(published_workflow)
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with Session(db.engine) as session:
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# Get existing app triggers
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existing_triggers = (
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session.execute(
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select(AppTrigger).where(AppTrigger.tenant_id == app.tenant_id, AppTrigger.app_id == app.id)
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)
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.scalars()
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.all()
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)
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# Convert existing triggers to dict for easy lookup
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existing_triggers_map = {trigger.node_id: trigger for trigger in existing_triggers}
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# Get current and new node IDs
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existing_node_ids = set(existing_triggers_map.keys())
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new_node_ids = {info["node_id"] for info in trigger_infos}
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# Calculate changes
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added_node_ids = new_node_ids - existing_node_ids
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removed_node_ids = existing_node_ids - new_node_ids
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# Remove obsolete triggers
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for node_id in removed_node_ids:
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session.delete(existing_triggers_map[node_id])
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for trigger_info in trigger_infos:
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node_id = trigger_info["node_id"]
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if node_id in added_node_ids:
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# Create new trigger
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app_trigger = AppTrigger(
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tenant_id=app.tenant_id,
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app_id=app.id,
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trigger_type=trigger_info["node_type"],
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title=trigger_info["node_title"],
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node_id=node_id,
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provider_name=trigger_info.get("node_provider_name", ""),
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status=AppTriggerStatus.ENABLED,
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)
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session.add(app_trigger)
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elif node_id in existing_node_ids:
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# Update existing trigger if needed
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existing_trigger = existing_triggers_map[node_id]
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new_title = trigger_info["node_title"]
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if new_title and existing_trigger.title != new_title:
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existing_trigger.title = new_title
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session.add(existing_trigger)
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session.commit()
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def get_trigger_infos_from_workflow(published_workflow: Workflow) -> list[dict]:
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"""
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Extract trigger node information from the workflow graph.
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Returns:
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List of trigger info dictionaries containing:
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- node_type: The type of the trigger node ('trigger-webhook', 'trigger-schedule', 'trigger-plugin')
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- node_id: The node ID in the workflow
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- node_title: The title of the node
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- node_provider_name: The name of the node's provider, only for plugin
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"""
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graph = published_workflow.graph_dict
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if not graph:
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return []
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nodes = graph.get("nodes", [])
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trigger_types = {NodeType.TRIGGER_WEBHOOK.value, NodeType.TRIGGER_SCHEDULE.value, NodeType.TRIGGER_PLUGIN.value}
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trigger_infos = [
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{
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"node_type": node.get("data", {}).get("type"),
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"node_id": node.get("id"),
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"node_title": node.get("data", {}).get("title"),
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"node_provider_name": node.get("data", {}).get("provider_name"),
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}
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for node in nodes
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if node.get("data", {}).get("type") in trigger_types
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]
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return trigger_infos
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