refactor: split api dependencies by domain

app/api/dependencies/site.py

@@ -0,0 +1,62 @@
+"""站点领域的请求级 command/query 依赖。"""
+
+from fastapi import Depends
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy.orm import Session
+
+from app.api.data import get_async_db, get_db
+from app.api.dependencies.data import repository, transaction
+from app.application.site.mutation import SiteMutationCommand
+from app.application.site.query import SiteQueryService
+from app.application.site.sites import SitesHelper  # pylint: disable=no-name-in-module
+from app.domain import site as site_rules
+from app.foundation import url as url_tools
+from app.runtime.events import eventmanager
+from app.schemas.types import EventType
+
+
+async def _publish_site_updated(payload: dict) -> None:
+    """发布已提交的站点更新事件。"""
+    await eventmanager.async_send_event(EventType.SiteUpdated, payload)
+
+
+async def _publish_site_deleted(payload: dict) -> None:
+    """发布已提交的站点删除事件。"""
+    await eventmanager.async_send_event(EventType.SiteDeleted, payload)
+
+
+def get_site_mutation_command(
+    db: AsyncSession = Depends(get_async_db),
+) -> SiteMutationCommand:
+    """组装请求级站点写用例及其事务和外部目录依赖。"""
+    sites_helper = SitesHelper()
+
+    def normalize_url(value: str) -> str:
+        """沿用站点接口的 scheme/netloc 规范化格式。"""
+        scheme, netloc = url_tools.split_netloc(value)
+        return f"{scheme}://{netloc}/"
+
+    return SiteMutationCommand(
+        repository=repository("site", db),
+        unit_of_work=transaction("async", db),
+        auth_level_provider=lambda: sites_helper.auth_level,
+        indexer_loader=sites_helper.async_get_indexer,
+        domain_extractor=site_rules.extract_domain,
+        url_normalizer=normalize_url,
+        publish_updated=_publish_site_updated,
+        publish_deleted=_publish_site_deleted,
+    )
+
+
+def get_site_query_service(
+    db: AsyncSession = Depends(get_async_db),
+) -> SiteQueryService:
+    """组装站点异步查询服务。"""
+    return SiteQueryService(repository=repository("site", db))
+
+
+def get_site_sync_query_service(
+    db: Session = Depends(get_db),
+) -> SiteQueryService:
+    """组装站点同步查询服务，用于同步 Chain 路由。"""
+    return SiteQueryService(repository=repository("site", db))