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refactor: unify durable event topics

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jxxghp
2026-08-24 06:55:50 +08:00
parent 8e669d415e
commit 138a48770c
11 changed files with 172 additions and 64 deletions
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app/startup/initializers/modules.py
+55 -36
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@@ -83,7 +83,12 @@ from app.application.security.userconfig import (
configure_user_configuration,
)
from app.application.history import configure_transfer_history_provider
from app.application.outbox import OutboxDispatcher, configure_outbox_dispatcher
from app.application.outbox import (
OutboxDispatcher,
configure_outbox_dispatcher,
durable_event_topic,
validate_durable_event_handlers,
)
from app.db.adapters.outbox import SqlAlchemyAsyncOutboxStager, SqlAlchemyOutboxRepository
from app.application.site.query import SiteQueryService, configure_site_query_service
from app.application.site.health import SiteHealthService, configure_site_health_service
@@ -335,44 +340,58 @@ def _build_outbox_dispatcher() -> OutboxDispatcher:
raise RuntimeError("订阅新增通知快照格式无效")
CommandChain().post_message(Message.model_validate(snapshot))
handlers = {
durable_event_topic(
EventType.SubscribeAdded
): lambda message: EventManager().send_event(
EventType.SubscribeAdded,
message.payload,
),
"subscribe.added.report": dispatch_subscribe_added_report,
"subscribe.added.notification": dispatch_subscribe_added_notification,
durable_event_topic(
EventType.SubscribeModified
): lambda message: EventManager().send_event(
EventType.SubscribeModified,
message.payload,
),
durable_event_topic(
EventType.SubscribeDeleted
): lambda message: EventManager().send_event(
EventType.SubscribeDeleted,
message.payload,
),
"subscribe.deleted.report": dispatch_subscribe_deleted_report,
"subscribe.complete": lambda message: EventManager().send_event(
EventType.SubscribeComplete,
message.payload,
),
"subscribe.complete.report": dispatch_subscribe_complete_report,
"subscribe.complete.notification": dispatch_subscribe_notification,
durable_event_topic(
EventType.DownloadAdded
): lambda message: EventManager().send_event(
EventType.DownloadAdded,
restore_download_added(message.payload),
),
durable_event_topic(
EventType.TransferComplete
): lambda message: EventManager().send_event(
EventType.TransferComplete,
restore_transfer_result(message.payload),
),
durable_event_topic(
EventType.TransferFailed
): lambda message: EventManager().send_event(
EventType.TransferFailed,
restore_transfer_result(message.payload),
),
}
validate_durable_event_handlers(handlers)
session = SessionFactory()
return OutboxDispatcher(
repository=SqlAlchemyOutboxRepository(session),
handlers={
"subscribe.added": lambda message: EventManager().send_event(
EventType.SubscribeAdded,
message.payload,
),
"subscribe.added.report": dispatch_subscribe_added_report,
"subscribe.added.notification": dispatch_subscribe_added_notification,
"subscribe.modified": lambda message: EventManager().send_event(
EventType.SubscribeModified,
message.payload,
),
"subscribe.deleted": lambda message: EventManager().send_event(
EventType.SubscribeDeleted,
message.payload,
),
"subscribe.deleted.report": dispatch_subscribe_deleted_report,
"subscribe.complete": lambda message: EventManager().send_event(
EventType.SubscribeComplete,
message.payload,
),
"subscribe.complete.report": dispatch_subscribe_complete_report,
"subscribe.complete.notification": dispatch_subscribe_notification,
"download.added": lambda message: EventManager().send_event(
EventType.DownloadAdded,
restore_download_added(message.payload),
),
"transfer.completed": lambda message: EventManager().send_event(
EventType.TransferComplete,
restore_transfer_result(message.payload),
),
"transfer.failed": lambda message: EventManager().send_event(
EventType.TransferFailed,
restore_transfer_result(message.payload),
),
},
handlers=handlers,
close=session.close,
failure_observer=lambda dead: record_metric(
"scheduler.job.dead_letter" if dead else "scheduler.job.retry",