generated from dellevin/template
69 lines
2.1 KiB
Dart
69 lines
2.1 KiB
Dart
import 'package:flutter/foundation.dart';
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import '../../models/data_models.dart';
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import '../database_helper.dart';
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/// 影视海报墙数据访问对象
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class MoviePosterDao {
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final DatabaseHelper _dbHelper = DatabaseHelper.instance;
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Future<T> _wrap<T>(String op, Future<T> Function() fn) async {
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try {
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return await fn();
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} catch (e) {
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debugPrint('[MoviePosterDao] $op error: $e');
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rethrow;
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}
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}
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/// 获取影视的所有海报
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Future<List<MoviePoster>> getPostersByMovieId(String movieId) => _wrap('getPostersByMovieId', () async {
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final db = await _dbHelper.database;
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final List<Map<String, dynamic>> maps = await db.query(
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'movie_posters',
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where: 'movie_id = ? AND is_deleted = 0',
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whereArgs: [movieId],
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orderBy: 'created_at DESC',
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);
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return List.generate(maps.length, (i) => MoviePoster.fromJson(maps[i]));
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});
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/// 根据ID获取海报
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Future<MoviePoster?> getPosterById(String id) => _wrap('getPosterById', () async {
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final db = await _dbHelper.database;
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final List<Map<String, dynamic>> maps = await db.query(
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'movie_posters',
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where: 'id = ? AND is_deleted = 0',
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whereArgs: [id],
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);
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if (maps.isEmpty) return null;
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return MoviePoster.fromJson(maps.first);
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});
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/// 添加海报
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Future<int> insertPoster(MoviePoster poster) => _wrap('insertPoster', () async {
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final db = await _dbHelper.database;
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return await db.insert('movie_posters', poster.toJson());
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});
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/// 软删除海报
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Future<int> deletePoster(String id) => _wrap('deletePoster', () async {
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final db = await _dbHelper.database;
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return await db.update(
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'movie_posters',
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{'is_deleted': 1},
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where: 'id = ?',
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whereArgs: [id],
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);
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});
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/// 获取影视的海报数量
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Future<int> getPosterCount(String movieId) => _wrap('getPosterCount', () async {
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final db = await _dbHelper.database;
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final result = await db.rawQuery(
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'SELECT COUNT(*) as count FROM movie_posters WHERE movie_id = ? AND is_deleted = 0',
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[movieId],
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);
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return result.first['count'] as int? ?? 0;
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});
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}
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