generated from dellevin/template
新增影视的字段
This commit is contained in:
DelLevin-Home
@@ -20,11 +20,75 @@ class DatabaseHelper {
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return await openDatabase(
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path,
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version: 1,
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version: 2,
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onCreate: _createDB,
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onUpgrade: _onUpgrade,
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);
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}
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/// 数据库升级
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Future<void> _onUpgrade(Database db, int oldVersion, int newVersion) async {
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if (oldVersion < 2) {
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// 升级movies表结构
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await _upgradeMoviesTableV2(db);
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}
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}
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/// 升级movies表到V2
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Future<void> _upgradeMoviesTableV2(Database db) async {
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// 备份旧数据
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final oldData = await db.query('movies');
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// 删除旧表
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await db.execute('DROP TABLE IF EXISTS movies');
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// 创建新表
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await db.execute('''
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CREATE TABLE movies (
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id TEXT PRIMARY KEY,
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title TEXT NOT NULL,
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poster_path TEXT,
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release_date TEXT,
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directors TEXT,
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writers TEXT,
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actors TEXT,
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genres TEXT,
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alternate_titles TEXT,
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summary TEXT,
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rating REAL,
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status TEXT NOT NULL,
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created_at TEXT NOT NULL,
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updated_at TEXT NOT NULL,
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is_deleted INTEGER DEFAULT 0
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)
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''');
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// 迁移旧数据（尽可能保留）
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for (final row in oldData) {
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try {
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await db.insert('movies', {
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'id': row['id']?.toString() ?? DateTime.now().millisecondsSinceEpoch.toString(),
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'title': row['title']?.toString() ?? '',
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'poster_path': row['poster_path'],
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'release_date': null,
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'directors': '[]',
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'writers': '[]',
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'actors': '[]',
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'genres': '[]',
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'alternate_titles': '[]',
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'summary': row['note'],
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'rating': row['rating'],
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'status': row['status'] ?? 'want_to_watch',
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'created_at': row['created_at']?.toString() ?? DateTime.now().toIso8601String(),
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'updated_at': DateTime.now().toIso8601String(),
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'is_deleted': row['is_deleted'] ?? 0,
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});
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} catch (e) {
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// 忽略迁移失败的记录
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}
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}
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}
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// 创建数据库表
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Future<void> _createDB(Database db, int version) async {
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const idType = 'INTEGER PRIMARY KEY AUTOINCREMENT';
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@@ -35,14 +99,21 @@ class DatabaseHelper {
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// 影视表
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await db.execute('''
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CREATE TABLE movies (
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id $idType,
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title $textType,
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poster TEXT,
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id TEXT PRIMARY KEY,
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title TEXT NOT NULL,
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poster_path TEXT,
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release_date TEXT,
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directors TEXT,
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writers TEXT,
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actors TEXT,
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genres TEXT,
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alternate_titles TEXT,
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summary TEXT,
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rating REAL,
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year INTEGER,
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status $textType,
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watch_date TEXT,
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note TEXT
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status TEXT NOT NULL,
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created_at TEXT NOT NULL,
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updated_at TEXT NOT NULL,
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is_deleted INTEGER DEFAULT 0
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)
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''');
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@@ -6,25 +6,17 @@ import 'database_helper.dart';
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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
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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('movies');
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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: 'updated_at DESC',
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);
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return List.generate(maps.length, (i) {
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return Movie(
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id: maps[i]['id'].toString(),
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title: maps[i]['title'],
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poster: maps[i]['poster'],
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rating: maps[i]['rating']?.toDouble(),
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year: maps[i]['year'],
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status: maps[i]['status'],
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watchDate: maps[i]['watch_date'] != null
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? DateTime.parse(maps[i]['watch_date'])
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: null,
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note: maps[i]['note'],
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);
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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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@@ -32,24 +24,90 @@ class MovieDao {
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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 = ?',
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whereArgs: [status],
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where: 'status = ? AND is_deleted = ?',
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whereArgs: [status, 0],
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orderBy: 'updated_at DESC',
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);
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return List.generate(maps.length, (i) {
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return Movie(
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id: maps[i]['id'].toString(),
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title: maps[i]['title'],
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poster: maps[i]['poster'],
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rating: maps[i]['rating']?.toDouble(),
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year: maps[i]['year'],
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status: maps[i]['status'],
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watchDate: maps[i]['watch_date'] != null
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? DateTime.parse(maps[i]['watch_date'])
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: null,
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note: maps[i]['note'],
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);
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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: 'updated_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: 'updated_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: 'updated_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: 'updated_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: 'updated_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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@@ -69,13 +127,54 @@ class MovieDao {
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);
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}
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// 删除影视记录
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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.delete(
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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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}
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