generated from dellevin/template
新增影评海报功能
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98
lib/utils/movie_review_dao.dart
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98
lib/utils/movie_review_dao.dart
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import 'package:sqflite/sqflite.dart';
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import '../models/data_models.dart';
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import 'database_helper.dart';
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/// 影评数据访问对象
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class MovieReviewDao {
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final DatabaseHelper _dbHelper = DatabaseHelper.instance;
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/// 获取影视的所有影评
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Future<List<MovieReview>> getReviewsByMovieId(String movieId) 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_reviews',
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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) => MovieReview.fromJson(maps[i]));
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}
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/// 根据ID获取影评
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Future<MovieReview?> getReviewById(String id) 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_reviews',
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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 MovieReview.fromJson(maps.first);
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}
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/// 添加影评
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Future<int> insertReview(MovieReview review) async {
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final db = await _dbHelper.database;
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return await db.insert('movie_reviews', review.toJson());
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}
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/// 更新影评
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Future<int> updateReview(MovieReview review) async {
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final db = await _dbHelper.database;
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return await db.update(
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'movie_reviews',
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review.toJson(),
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where: 'id = ?',
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whereArgs: [review.id],
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);
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}
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/// 软删除影评
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Future<int> deleteReview(String id) async {
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final db = await _dbHelper.database;
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return await db.update(
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'movie_reviews',
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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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/// 获取影视的影评数量
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Future<int> getReviewCount(String movieId) 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_reviews 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;
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}
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/// 获取短评列表
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Future<List<MovieReview>> getShortReviews(String movieId) 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_reviews',
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where: 'movie_id = ? AND review_type = 1 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) => MovieReview.fromJson(maps[i]));
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}
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/// 获取长评列表
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Future<List<MovieReview>> getLongReviews(String movieId) 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_reviews',
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where: 'movie_id = ? AND review_type = 2 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) => MovieReview.fromJson(maps[i]));
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}
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}
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