feat(children): support soft delete child profiles

talkingq-url/banban/service/child.py

@@ -52,11 +52,11 @@ class ChildService(DatabaseServiceBase):
         finally:
             await db_session.close()
 
-    async def get(self, child_id: int) -> Optional[Mapping]:
+    async def get(self, child_id: int, user_id: int) -> Optional[Mapping]:
         db_session = await self.get_session()
         try:
             dao = ChildDAO(db_session)
-            return await dao.get_by_id(child_id)
+            return await dao.get_by_parent(child_id, user_id)
         finally:
             await db_session.close()
 
@@ -75,6 +75,21 @@ class ChildService(DatabaseServiceBase):
                 raise PermissionError("No access to this child")
             await dao.update(child_id, child_name, child_gender, child_birthday)
             await db_session.commit()
-            return await self.get(child_id)
+            return await self.get(child_id, user_id)
+        finally:
+            await db_session.close()
+
+    async def delete(self, child_id: int, user_id: int) -> bool:
+        db_session = await self.get_session()
+        try:
+            dao = ChildDAO(db_session)
+            deleted = await dao.soft_delete_for_parent(child_id, user_id)
+            if not deleted:
+                return False
+            await db_session.commit()
+            return True
+        except Exception:
+            await db_session.rollback()
+            raise
         finally:
             await db_session.close()