generated from dellevin/template
111 lines
3.6 KiB
Dart
111 lines
3.6 KiB
Dart
import 'package:flutter/foundation.dart';
|
|
import '../../models/data_models.dart';
|
|
import '../database_helper.dart';
|
|
|
|
/// 影视↔人物关联数据访问对象
|
|
class MoviePersonDao {
|
|
final DatabaseHelper _dbHelper = DatabaseHelper.instance;
|
|
|
|
Future<T> _wrap<T>(String op, Future<T> Function() fn) async {
|
|
try {
|
|
return await fn();
|
|
} catch (e) {
|
|
debugPrint('[MoviePersonDao] $op error: $e');
|
|
rethrow;
|
|
}
|
|
}
|
|
|
|
// 获取某部影视的所有关联人物
|
|
Future<List<MoviePerson>> getByMovieId(String movieId) => _wrap('getByMovieId', () async {
|
|
final db = await _dbHelper.database;
|
|
final maps = await db.query(
|
|
'movie_people',
|
|
where: 'movie_id = ?',
|
|
whereArgs: [movieId],
|
|
orderBy: 'role_type, sort_order',
|
|
);
|
|
return maps.map((m) => MoviePerson.fromJson(m)).toList();
|
|
});
|
|
|
|
// 获取某个人物参与的所有影视关联
|
|
Future<List<MoviePerson>> getByPersonId(String personId) => _wrap('getByPersonId', () async {
|
|
final db = await _dbHelper.database;
|
|
final maps = await db.query(
|
|
'movie_people',
|
|
where: 'person_id = ?',
|
|
whereArgs: [personId],
|
|
orderBy: 'sort_order',
|
|
);
|
|
return maps.map((m) => MoviePerson.fromJson(m)).toList();
|
|
});
|
|
|
|
// 按影视+角色类型获取人物
|
|
Future<List<MoviePerson>> getByMovieAndRole(String movieId, String roleType) => _wrap('getByMovieAndRole', () async {
|
|
final db = await _dbHelper.database;
|
|
final maps = await db.query(
|
|
'movie_people',
|
|
where: 'movie_id = ? AND role_type = ?',
|
|
whereArgs: [movieId, roleType],
|
|
orderBy: 'sort_order',
|
|
);
|
|
return maps.map((m) => MoviePerson.fromJson(m)).toList();
|
|
});
|
|
|
|
// 添加关联
|
|
Future<int> insert(MoviePerson moviePerson) => _wrap('insert', () async {
|
|
final db = await _dbHelper.database;
|
|
return await db.insert('movie_people', moviePerson.toJson());
|
|
});
|
|
|
|
// 批量添加关联
|
|
Future<void> insertAll(List<MoviePerson> items) => _wrap('insertAll', () async {
|
|
final db = await _dbHelper.database;
|
|
final batch = db.batch();
|
|
for (final item in items) {
|
|
batch.insert('movie_people', item.toJson());
|
|
}
|
|
await batch.commit(noResult: true);
|
|
});
|
|
|
|
// 更新关联（如修改角色名）
|
|
Future<int> update(MoviePerson moviePerson) => _wrap('update', () async {
|
|
final db = await _dbHelper.database;
|
|
return await db.update(
|
|
'movie_people',
|
|
moviePerson.toJson(),
|
|
where: 'id = ?',
|
|
whereArgs: [moviePerson.id],
|
|
);
|
|
});
|
|
|
|
// 删除某部影视的所有关联
|
|
Future<int> deleteByMovieId(String movieId) => _wrap('deleteByMovieId', () async {
|
|
final db = await _dbHelper.database;
|
|
return await db.delete('movie_people', where: 'movie_id = ?', whereArgs: [movieId]);
|
|
});
|
|
|
|
// 删除某个人物的所有影视关联
|
|
Future<int> deleteByPersonId(String personId) => _wrap('deleteByPersonId', () async {
|
|
final db = await _dbHelper.database;
|
|
return await db.delete('movie_people', where: 'person_id = ?', whereArgs: [personId]);
|
|
});
|
|
|
|
// 删除单条关联
|
|
Future<int> deleteById(String id) => _wrap('deleteById', () async {
|
|
final db = await _dbHelper.database;
|
|
return await db.delete('movie_people', where: 'id = ?', whereArgs: [id]);
|
|
});
|
|
|
|
// 检查关联是否已存在（避免重复插入）
|
|
Future<bool> existsRelation(String movieId, String personId, String roleType) => _wrap('existsRelation', () async {
|
|
final db = await _dbHelper.database;
|
|
final maps = await db.query(
|
|
'movie_people',
|
|
where: 'movie_id = ? AND person_id = ? AND role_type = ?',
|
|
whereArgs: [movieId, personId, roleType],
|
|
limit: 1,
|
|
);
|
|
return maps.isNotEmpty;
|
|
});
|
|
}
|