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>

api/extensions/ext_blueprints.py

@@ -18,6 +18,7 @@ def init_app(app: DifyApp):
     from controllers.inner_api import bp as inner_api_bp
     from controllers.mcp import bp as mcp_bp
     from controllers.service_api import bp as service_api_bp
+    from controllers.trigger import bp as trigger_bp
     from controllers.web import bp as web_bp
 
     CORS(
@@ -56,3 +57,11 @@ def init_app(app: DifyApp):
 
     app.register_blueprint(inner_api_bp)
     app.register_blueprint(mcp_bp)
+
+    # Register trigger blueprint with CORS for webhook calls
+    CORS(
+        trigger_bp,
+        allow_headers=["Content-Type", "Authorization", "X-App-Code"],
+        methods=["GET", "PUT", "POST", "DELETE", "OPTIONS", "PATCH", "HEAD"],
+    )
+    app.register_blueprint(trigger_bp)

api/extensions/ext_celery.py

@@ -96,7 +96,10 @@ def init_app(app: DifyApp) -> Celery:
     celery_app.set_default()
     app.extensions["celery"] = celery_app
 
-    imports = []
+    imports = [
+        "tasks.async_workflow_tasks",  # trigger workers
+        "tasks.trigger_processing_tasks",  # async trigger processing
+    ]
     day = dify_config.CELERY_BEAT_SCHEDULER_TIME
 
     # if you add a new task, please add the switch to CeleryScheduleTasksConfig
@@ -157,6 +160,18 @@ def init_app(app: DifyApp) -> Celery:
             "task": "schedule.clean_workflow_runlogs_precise.clean_workflow_runlogs_precise",
             "schedule": crontab(minute="0", hour="2"),
         }
+    if dify_config.ENABLE_WORKFLOW_SCHEDULE_POLLER_TASK:
+        imports.append("schedule.workflow_schedule_task")
+        beat_schedule["workflow_schedule_task"] = {
+            "task": "schedule.workflow_schedule_task.poll_workflow_schedules",
+            "schedule": timedelta(minutes=dify_config.WORKFLOW_SCHEDULE_POLLER_INTERVAL),
+        }
+    if dify_config.ENABLE_TRIGGER_PROVIDER_REFRESH_TASK:
+        imports.append("schedule.trigger_provider_refresh_task")
+        beat_schedule["trigger_provider_refresh"] = {
+            "task": "schedule.trigger_provider_refresh_task.trigger_provider_refresh",
+            "schedule": timedelta(minutes=dify_config.TRIGGER_PROVIDER_REFRESH_INTERVAL),
+        }
     celery_app.conf.update(beat_schedule=beat_schedule, imports=imports)
 
     return celery_app

api/extensions/ext_commands.py

@@ -23,6 +23,7 @@ def init_app(app: DifyApp):
         reset_password,
         setup_datasource_oauth_client,
         setup_system_tool_oauth_client,
+        setup_system_trigger_oauth_client,
         transform_datasource_credentials,
         upgrade_db,
         vdb_migrate,
@@ -47,6 +48,7 @@ def init_app(app: DifyApp):
         clear_orphaned_file_records,
         remove_orphaned_files_on_storage,
         setup_system_tool_oauth_client,
+        setup_system_trigger_oauth_client,
         cleanup_orphaned_draft_variables,
         migrate_oss,
         setup_datasource_oauth_client,