refactor(backend): update model catalog and provider APIs after mappings removal

src/api/public/catalog.py

@@ -20,14 +20,12 @@ from src.models.api import (
     ProviderStatsResponse,
     PublicGlobalModelListResponse,
     PublicGlobalModelResponse,
-    PublicModelMappingResponse,
     PublicModelResponse,
     PublicProviderResponse,
 )
 from src.models.database import (
     GlobalModel,
     Model,
-    ModelMapping,
     Provider,
     ProviderEndpoint,
     RequestCandidate,
@@ -72,24 +70,6 @@ async def get_public_models(
     return await pipeline.run(adapter=adapter, http_request=request, db=db, mode=ApiMode.PUBLIC)
 
 
-@router.get("/model-mappings", response_model=List[PublicModelMappingResponse])
-async def get_public_model_mappings(
-    request: Request,
-    provider_id: Optional[str] = Query(None, description="提供商ID过滤"),
-    alias: Optional[str] = Query(None, description="别名过滤（原source_model）"),
-    skip: int = Query(0, description="跳过记录数"),
-    limit: int = Query(100, description="返回记录数限制"),
-    db: Session = Depends(get_db),
-):
-    adapter = PublicModelMappingsAdapter(
-        provider_id=provider_id,
-        alias=alias,
-        skip=skip,
-        limit=limit,
-    )
-    return await pipeline.run(adapter=adapter, http_request=request, db=db, mode=ApiMode.PUBLIC)
-
-
 @router.get("/stats", response_model=ProviderStatsResponse)
 async def get_public_stats(request: Request, db: Session = Depends(get_db)):
     adapter = PublicStatsAdapter()
@@ -176,13 +156,6 @@ class PublicProvidersAdapter(PublicApiAdapter):
                 .filter(and_(Model.provider_id == provider.id, Model.is_active.is_(True)))
                 .count()
             )
-            mappings_count = (
-                db.query(ModelMapping)
-                .filter(
-                    and_(ModelMapping.provider_id == provider.id, ModelMapping.is_active.is_(True))
-                )
-                .count()
-            )
             endpoints_count = len(provider.endpoints) if provider.endpoints else 0
             active_endpoints_count = (
                 sum(1 for ep in provider.endpoints if ep.is_active) if provider.endpoints else 0
@@ -196,7 +169,6 @@ class PublicProvidersAdapter(PublicApiAdapter):
                 provider_priority=provider.provider_priority,
                 models_count=models_count,
                 active_models_count=active_models_count,
-                mappings_count=mappings_count,
                 endpoints_count=endpoints_count,
                 active_endpoints_count=active_endpoints_count,
             )
@@ -256,78 +228,6 @@ class PublicModelsAdapter(PublicApiAdapter):
         return response
 
 
-@dataclass
-class PublicModelMappingsAdapter(PublicApiAdapter):
-    provider_id: Optional[str]
-    alias: Optional[str]  # 原 source_model，改为 alias
-    skip: int
-    limit: int
-
-    async def handle(self, context):  # type: ignore[override]
-        db = context.db
-        logger.debug("公共API请求模型映射列表")
-
-        query = (
-            db.query(ModelMapping, GlobalModel, Provider)
-            .join(GlobalModel, ModelMapping.target_global_model_id == GlobalModel.id)
-            .outerjoin(Provider, ModelMapping.provider_id == Provider.id)
-            .filter(
-                and_(
-                    ModelMapping.is_active.is_(True),
-                    GlobalModel.is_active.is_(True),
-                )
-            )
-        )
-
-        if self.provider_id is not None:
-            provider_global_model_ids = (
-                db.query(Model.global_model_id)
-                .join(Provider, Model.provider_id == Provider.id)
-                .filter(
-                    Provider.id == self.provider_id,
-                    Model.is_active.is_(True),
-                    Provider.is_active.is_(True),
-                    Model.global_model_id.isnot(None),
-                )
-                .distinct()
-            )
-            query = query.filter(
-                or_(
-                    ModelMapping.provider_id == self.provider_id,
-                    and_(
-                        ModelMapping.provider_id.is_(None),
-                        ModelMapping.target_global_model_id.in_(provider_global_model_ids),
-                    ),
-                )
-            )
-        else:
-            query = query.filter(ModelMapping.provider_id.is_(None))
-
-        if self.alias is not None:
-            query = query.filter(ModelMapping.source_model.ilike(f"%{self.alias}%"))
-
-        results = query.offset(self.skip).limit(self.limit).all()
-        response = []
-        for mapping, global_model, provider in results:
-            scope = "provider" if mapping.provider_id else "global"
-            mapping_data = PublicModelMappingResponse(
-                id=mapping.id,
-                source_model=mapping.source_model,
-                target_global_model_id=mapping.target_global_model_id,
-                target_global_model_name=global_model.name if global_model else None,
-                target_global_model_display_name=(
-                    global_model.display_name if global_model else None
-                ),
-                provider_id=mapping.provider_id,
-                scope=scope,
-                is_active=mapping.is_active,
-            )
-            response.append(mapping_data.model_dump())
-
-        logger.debug(f"返回 {len(response)} 个模型映射")
-        return response
-
-
 class PublicStatsAdapter(PublicApiAdapter):
     async def handle(self, context):  # type: ignore[override]
         db = context.db
@@ -339,9 +239,6 @@ class PublicStatsAdapter(PublicApiAdapter):
             .filter(and_(Model.is_active.is_(True), Provider.is_active.is_(True)))
             .count()
         )
-        from ...models.database import ModelMapping
-
-        active_mappings = db.query(ModelMapping).filter(ModelMapping.is_active.is_(True)).count()
         formats = (
             db.query(Provider.api_format).filter(Provider.is_active.is_(True)).distinct().all()
         )
@@ -351,7 +248,6 @@ class PublicStatsAdapter(PublicApiAdapter):
             active_providers=active_providers,
             total_models=active_models,
             active_models=active_models,
-            total_mappings=active_mappings,
             supported_formats=supported_formats,
         )
         logger.debug("返回系统统计信息")