优化

lib/utils/movie/movie_poster_dao.dart

@@ -1,4 +1,4 @@
-import 'package:sqflite/sqflite.dart';
+import 'package:flutter/foundation.dart';
 import '../../models/data_models.dart';
 import '../database_helper.dart';
 
@@ -6,8 +6,17 @@ import '../database_helper.dart';
 class MoviePosterDao {
   final DatabaseHelper _dbHelper = DatabaseHelper.instance;
 
+  Future<T> _wrap<T>(String op, Future<T> Function() fn) async {
+    try {
+      return await fn();
+    } catch (e) {
+      debugPrint('[MoviePosterDao] $op error: $e');
+      rethrow;
+    }
+  }
+
   /// 获取影视的所有海报
-  Future<List<MoviePoster>> getPostersByMovieId(String movieId) async {
+  Future<List<MoviePoster>> getPostersByMovieId(String movieId) => _wrap('getPostersByMovieId', () async {
     final db = await _dbHelper.database;
     final List<Map<String, dynamic>> maps = await db.query(
       'movie_posters',
@@ -15,31 +24,29 @@ class MoviePosterDao {
       whereArgs: [movieId],
       orderBy: 'created_at DESC',
     );
-
     return List.generate(maps.length, (i) => MoviePoster.fromJson(maps[i]));
-  }
+  });
 
   /// 根据ID获取海报
-  Future<MoviePoster?> getPosterById(String id) async {
+  Future<MoviePoster?> getPosterById(String id) => _wrap('getPosterById', () async {
     final db = await _dbHelper.database;
     final List<Map<String, dynamic>> maps = await db.query(
       'movie_posters',
       where: 'id = ? AND is_deleted = 0',
       whereArgs: [id],
     );
-
     if (maps.isEmpty) return null;
     return MoviePoster.fromJson(maps.first);
-  }
+  });
 
   /// 添加海报
-  Future<int> insertPoster(MoviePoster poster) async {
+  Future<int> insertPoster(MoviePoster poster) => _wrap('insertPoster', () async {
     final db = await _dbHelper.database;
     return await db.insert('movie_posters', poster.toJson());
-  }
+  });
 
   /// 软删除海报
-  Future<int> deletePoster(String id) async {
+  Future<int> deletePoster(String id) => _wrap('deletePoster', () async {
     final db = await _dbHelper.database;
     return await db.update(
       'movie_posters',
@@ -47,15 +54,15 @@ class MoviePosterDao {
       where: 'id = ?',
       whereArgs: [id],
     );
-  }
+  });
 
   /// 获取影视的海报数量
-  Future<int> getPosterCount(String movieId) async {
+  Future<int> getPosterCount(String movieId) => _wrap('getPosterCount', () async {
     final db = await _dbHelper.database;
     final result = await db.rawQuery(
       'SELECT COUNT(*) as count FROM movie_posters WHERE movie_id = ? AND is_deleted = 0',
       [movieId],
     );
-    return result.first['count'] as int;
-  }
+    return result.first['count'] as int? ?? 0;
+  });
 }