make case catalog read-only

app/services/case_service.py

@@ -1,20 +1,10 @@
 from sqlalchemy.orm import Session
 
-from app.core.context import UserContext
 from app.core.exceptions import AppError
 from app.models.source_case import CaseBase
 from app.repositories.case_repository import CaseRepository
 from app.repositories.source_case_repository import SourceCaseRepository
-from app.schemas.case import (
-    CaseDeletePreviewResponse,
-    CaseDeleteRequest,
-    CaseDeleteResponse,
-    CaseDetailResponse,
-    CaseListItem,
-    CaseListResponse,
-    CasePatientInfo,
-)
-from app.services.audit_service import AuditService
+from app.schemas.case import CaseDetailResponse, CaseListItem, CaseListResponse, CasePatientInfo
 
 
 class CaseService:
@@ -62,51 +52,6 @@ class CaseService:
             order_item_types=sorted({item.item_type for item in order_items}),
         )
 
-    def get_delete_preview(self, case_id: int) -> CaseDeletePreviewResponse:
-        """病例删除预览：返回删除病例前端需要展示的影响范围。"""
-        case = self.repo.get_case_by_id(case_id)
-        if not case:
-            raise AppError("CASE_NOT_FOUND", "case not found", 404)
-        return CaseDeletePreviewResponse(
-            case_id=case.id,
-            case_title=case.title,
-            can_delete=True,
-            affected=self.repo.get_delete_preview_counts(case.id),
-        )
-
-    def delete_case(self, case_id: int, payload: CaseDeleteRequest, ctx: UserContext) -> CaseDeleteResponse:
-        """病例删除：级联删除病例业务数据，并保留审计日志用于追踪操作。"""
-        case = self.repo.get_case_by_id(case_id)
-        if not case:
-            raise AppError("CASE_NOT_FOUND", "case not found", 404)
-        if not payload.confirm:
-            raise AppError("CASE_DELETE_CONFIRM_REQUIRED", "case delete confirmation is required", 400)
-
-        preview = self.repo.get_delete_preview_counts(case_id)
-        training_rows = (
-            preview.get("training_session", 0)
-            + preview.get("training_order", 0)
-            + preview.get("training_submission", 0)
-            + preview.get("training_record", 0)
-        )
-        if training_rows and not payload.delete_training_data:
-            raise AppError("CASE_DELETE_TRAINING_DATA_EXISTS", "case has training data; delete_training_data must be true", 400)
-
-        try:
-            deleted_counts = self.repo.delete_case_cascade(case_id)
-            AuditService(self.db).log(
-                ctx,
-                action="case.delete",
-                resource_type="case",
-                resource_id=str(case_id),
-                metadata={"case_title": case.title, "deleted_counts": deleted_counts},
-            )
-            self.db.commit()
-        except Exception:
-            self.db.rollback()
-            raise
-        return CaseDeleteResponse(deleted=True, case_id=case_id, deleted_counts=deleted_counts)
-
     def _to_list_item(self, case: CaseBase) -> CaseListItem:
         """病例卡片转换：把 case_base 映射为当前前端病例列表结构。"""
         return CaseListItem(