generated from dellevin/template
结构重构
This commit is contained in:
DelLevin-Home
216
lib/utils/movie/movie_dao.dart
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216
lib/utils/movie/movie_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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/// 影视数据访问对象
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class MovieDao {
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final DatabaseHelper _dbHelper = DatabaseHelper.instance;
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// 获取所有影视记录（未删除的）
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Future<List<Movie>> getAllMovies() 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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'movies',
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where: 'is_deleted = ?',
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whereArgs: [0],
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orderBy: 'created_at DESC',
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);
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return List.generate(maps.length, (i) => Movie.fromJson(maps[i]));
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}
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// 根据状态筛选影视记录
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Future<List<Movie>> getMoviesByStatus(String status) 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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'movies',
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where: 'status = ? AND is_deleted = ?',
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whereArgs: [status, 0],
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orderBy: 'created_at DESC',
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);
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return List.generate(maps.length, (i) => Movie.fromJson(maps[i]));
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}
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// 根据导演筛选
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Future<List<Movie>> getMoviesByDirector(String director) 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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'movies',
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where: 'is_deleted = ?',
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whereArgs: [0],
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orderBy: 'created_at DESC',
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);
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return List.generate(maps.length, (i) => Movie.fromJson(maps[i]))
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.where((movie) => movie.directors.contains(director))
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.toList();
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}
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// 根据编剧筛选
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Future<List<Movie>> getMoviesByWriter(String writer) 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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'movies',
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where: 'is_deleted = ?',
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whereArgs: [0],
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orderBy: 'created_at DESC',
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);
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return List.generate(maps.length, (i) => Movie.fromJson(maps[i]))
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.where((movie) => movie.writers.contains(writer))
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.toList();
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}
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// 根据演员筛选
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Future<List<Movie>> getMoviesByActor(String actor) 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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'movies',
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where: 'is_deleted = ?',
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whereArgs: [0],
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orderBy: 'created_at DESC',
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);
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return List.generate(maps.length, (i) => Movie.fromJson(maps[i]))
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.where((movie) => movie.actors.contains(actor))
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.toList();
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}
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// 根据类型筛选
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Future<List<Movie>> getMoviesByGenre(String genre) 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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'movies',
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where: 'is_deleted = ?',
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whereArgs: [0],
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orderBy: 'created_at DESC',
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);
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return List.generate(maps.length, (i) => Movie.fromJson(maps[i]))
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.where((movie) => movie.genres.contains(genre))
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.toList();
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}
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// 搜索影视（标题或别名）
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Future<List<Movie>> searchMovies(String keyword) 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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'movies',
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where: 'is_deleted = ?',
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whereArgs: [0],
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orderBy: 'created_at DESC',
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);
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final lowerKeyword = keyword.toLowerCase();
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return List.generate(maps.length, (i) => Movie.fromJson(maps[i]))
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.where((movie) =>
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movie.title.toLowerCase().contains(lowerKeyword) ||
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movie.alternateTitles.any((t) => t.toLowerCase().contains(lowerKeyword)))
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.toList();
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}
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// 添加影视记录
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Future<int> insertMovie(Movie movie) async {
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final db = await _dbHelper.database;
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return await db.insert('movies', movie.toJson());
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}
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// 更新影视记录
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Future<int> updateMovie(Movie movie) async {
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final db = await _dbHelper.database;
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return await db.update(
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'movies',
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movie.toJson(),
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where: 'id = ?',
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whereArgs: [movie.id],
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);
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}
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// 删除影视记录（软删除）
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Future<int> deleteMovie(String id) async {
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final db = await _dbHelper.database;
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return await db.update(
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'movies',
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{'is_deleted': 1, 'updated_at': DateTime.now().toIso8601String()},
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where: 'id = ?',
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whereArgs: [id],
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);
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}
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// 获取所有导演（去重）
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Future<List<String>> getAllDirectors() async {
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final movies = await getAllMovies();
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final directors = <String>{};
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for (final movie in movies) {
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directors.addAll(movie.directors);
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}
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return directors.toList()..sort();
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}
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// 获取所有编剧（去重）
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Future<List<String>> getAllWriters() async {
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final movies = await getAllMovies();
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final writers = <String>{};
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for (final movie in movies) {
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writers.addAll(movie.writers);
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}
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return writers.toList()..sort();
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}
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// 获取所有演员（去重）
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Future<List<String>> getAllActors() async {
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final movies = await getAllMovies();
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final actors = <String>{};
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for (final movie in movies) {
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actors.addAll(movie.actors);
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}
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return actors.toList()..sort();
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}
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// 获取所有类型（去重）
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Future<List<String>> getAllGenres() async {
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final movies = await getAllMovies();
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final genres = <String>{};
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for (final movie in movies) {
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genres.addAll(movie.genres);
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}
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return genres.toList()..sort();
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}
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// ========== 回收站相关方法 ==========
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// 获取已删除的影视
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Future<List<Movie>> getDeletedMovies() 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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'movies',
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where: 'is_deleted = ?',
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whereArgs: [1],
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orderBy: 'created_at DESC',
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);
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return List.generate(maps.length, (i) => Movie.fromJson(maps[i]));
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}
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// 恢复已删除的影视
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Future<int> restoreMovie(String id) async {
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final db = await _dbHelper.database;
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return await db.update(
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'movies',
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{'is_deleted': 0, 'updated_at': DateTime.now().toIso8601String()},
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where: 'id = ?',
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whereArgs: [id],
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);
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}
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// 彻底删除影视
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Future<int> permanentDeleteMovie(String id) async {
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final db = await _dbHelper.database;
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return await db.delete(
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'movies',
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where: 'id = ?',
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whereArgs: [id],
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);
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}
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}
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