generated from dellevin/template
69 lines
2.2 KiB
Dart
69 lines
2.2 KiB
Dart
import 'package:flutter/foundation.dart';
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import '../database_helper.dart';
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import '../../models/data_models.dart';
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/// 游戏截图数据访问对象
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class GameScreenshotDao {
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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('[GameScreenshotDao] $op error: $e');
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rethrow;
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}
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}
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/// 获取游戏的所有截图
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Future<List<GameScreenshot>> getScreenshotsByGameId(String gameId) => _wrap('getScreenshotsByGameId', () 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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'game_screenshots',
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where: 'game_id = ? AND is_deleted = 0',
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whereArgs: [gameId],
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orderBy: 'created_at DESC',
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);
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return List.generate(maps.length, (i) => GameScreenshot.fromJson(maps[i]));
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});
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/// 根据ID获取截图
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Future<GameScreenshot?> getScreenshotById(String id) => _wrap('getScreenshotById', () 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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'game_screenshots',
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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 GameScreenshot.fromJson(maps.first);
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});
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/// 添加截图
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Future<int> insertScreenshot(GameScreenshot screenshot) => _wrap('insertScreenshot', () async {
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final db = await _dbHelper.database;
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return await db.insert('game_screenshots', screenshot.toJson());
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});
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/// 软删除截图
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Future<int> deleteScreenshot(String id) => _wrap('deleteScreenshot', () async {
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final db = await _dbHelper.database;
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return await db.update(
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'game_screenshots',
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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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/// 获取游戏截图数量
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Future<int> getScreenshotCount(String gameId) => _wrap('getScreenshotCount', () 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 game_screenshots WHERE game_id = ? AND is_deleted = 0',
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[gameId],
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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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