generated from dellevin/template
结构重构
This commit is contained in:
DelLevin-Home
153
lib/utils/book/book_dao.dart
Normal file
153
lib/utils/book/book_dao.dart
Normal file
@@ -0,0 +1,153 @@
|
||||
import 'package:sqflite/sqflite.dart';
|
||||
import '../../models/data_models.dart';
|
||||
import '../database_helper.dart';
|
||||
|
||||
/// 书籍数据访问对象
|
||||
class BookDao {
|
||||
final DatabaseHelper _dbHelper = DatabaseHelper.instance;
|
||||
|
||||
// 获取所有未删除的书籍记录
|
||||
Future<List<Book>> getAllBooks() async {
|
||||
final db = await _dbHelper.database;
|
||||
final List<Map<String, dynamic>> maps = await db.query(
|
||||
'books',
|
||||
where: 'is_deleted = ?',
|
||||
whereArgs: [0],
|
||||
orderBy: 'created_at DESC',
|
||||
);
|
||||
|
||||
return List.generate(maps.length, (i) => Book.fromJson(maps[i]));
|
||||
}
|
||||
|
||||
// 根据状态筛选书籍记录
|
||||
Future<List<Book>> getBooksByStatus(String status) async {
|
||||
final db = await _dbHelper.database;
|
||||
final List<Map<String, dynamic>> maps = await db.query(
|
||||
'books',
|
||||
where: 'status = ? AND is_deleted = ?',
|
||||
whereArgs: [status, 0],
|
||||
orderBy: 'created_at DESC',
|
||||
);
|
||||
|
||||
return List.generate(maps.length, (i) => Book.fromJson(maps[i]));
|
||||
}
|
||||
|
||||
// 根据ID获取书籍
|
||||
Future<Book?> getBookById(String id) async {
|
||||
final db = await _dbHelper.database;
|
||||
final List<Map<String, dynamic>> maps = await db.query(
|
||||
'books',
|
||||
where: 'id = ? AND is_deleted = ?',
|
||||
whereArgs: [id, 0],
|
||||
);
|
||||
|
||||
if (maps.isEmpty) return null;
|
||||
return Book.fromJson(maps.first);
|
||||
}
|
||||
|
||||
// 添加书籍记录
|
||||
Future<int> insertBook(Book book) async {
|
||||
final db = await _dbHelper.database;
|
||||
return await db.insert('books', book.toJson());
|
||||
}
|
||||
|
||||
// 更新书籍记录
|
||||
Future<int> updateBook(Book book) async {
|
||||
final db = await _dbHelper.database;
|
||||
return await db.update(
|
||||
'books',
|
||||
book.toJson(),
|
||||
where: 'id = ?',
|
||||
whereArgs: [book.id],
|
||||
);
|
||||
}
|
||||
|
||||
// 软删除书籍记录（移入回收站）
|
||||
Future<int> deleteBook(String id) async {
|
||||
final db = await _dbHelper.database;
|
||||
return await db.update(
|
||||
'books',
|
||||
{
|
||||
'is_deleted': 1,
|
||||
'updated_at': DateTime.now().toIso8601String(),
|
||||
},
|
||||
where: 'id = ?',
|
||||
whereArgs: [id],
|
||||
);
|
||||
}
|
||||
|
||||
// 搜索书籍（标题、别名）
|
||||
Future<List<Book>> searchBooks(String query) async {
|
||||
final db = await _dbHelper.database;
|
||||
final List<Map<String, dynamic>> maps = await db.query(
|
||||
'books',
|
||||
where: '(title LIKE ? OR alternate_titles LIKE ?) AND is_deleted = ?',
|
||||
whereArgs: ['%$query%', '%$query%', 0],
|
||||
orderBy: 'created_at DESC',
|
||||
);
|
||||
|
||||
return List.generate(maps.length, (i) => Book.fromJson(maps[i]));
|
||||
}
|
||||
|
||||
// 根据作者筛选
|
||||
Future<List<Book>> getBooksByAuthor(String author) async {
|
||||
final db = await _dbHelper.database;
|
||||
final List<Map<String, dynamic>> maps = await db.query(
|
||||
'books',
|
||||
where: 'authors LIKE ? AND is_deleted = ?',
|
||||
whereArgs: ['%$author%', 0],
|
||||
orderBy: 'created_at DESC',
|
||||
);
|
||||
|
||||
return List.generate(maps.length, (i) => Book.fromJson(maps[i]));
|
||||
}
|
||||
|
||||
// 根据类型筛选
|
||||
Future<List<Book>> getBooksByGenre(String genre) async {
|
||||
final db = await _dbHelper.database;
|
||||
final List<Map<String, dynamic>> maps = await db.query(
|
||||
'books',
|
||||
where: 'genres LIKE ? AND is_deleted = ?',
|
||||
whereArgs: ['%$genre%', 0],
|
||||
orderBy: 'created_at DESC',
|
||||
);
|
||||
|
||||
return List.generate(maps.length, (i) => Book.fromJson(maps[i]));
|
||||
}
|
||||
|
||||
// ========== 回收站相关方法 ==========
|
||||
|
||||
// 获取已删除的书籍
|
||||
Future<List<Book>> getDeletedBooks() async {
|
||||
final db = await _dbHelper.database;
|
||||
final List<Map<String, dynamic>> maps = await db.query(
|
||||
'books',
|
||||
where: 'is_deleted = ?',
|
||||
whereArgs: [1],
|
||||
orderBy: 'created_at DESC',
|
||||
);
|
||||
|
||||
return List.generate(maps.length, (i) => Book.fromJson(maps[i]));
|
||||
}
|
||||
|
||||
// 恢复已删除的书籍
|
||||
Future<int> restoreBook(String id) async {
|
||||
final db = await _dbHelper.database;
|
||||
return await db.update(
|
||||
'books',
|
||||
{'is_deleted': 0, 'updated_at': DateTime.now().toIso8601String()},
|
||||
where: 'id = ?',
|
||||
whereArgs: [id],
|
||||
);
|
||||
}
|
||||
|
||||
// 彻底删除书籍
|
||||
Future<int> permanentDeleteBook(String id) async {
|
||||
final db = await _dbHelper.database;
|
||||
return await db.delete(
|
||||
'books',
|
||||
where: 'id = ?',
|
||||
whereArgs: [id],
|
||||
);
|
||||
}
|
||||
}
|
||||
109
lib/utils/book/book_excerpt_dao.dart
Normal file
109
lib/utils/book/book_excerpt_dao.dart
Normal file
@@ -0,0 +1,109 @@
|
||||
import 'package:sqflite/sqflite.dart';
|
||||
import '../../models/data_models.dart';
|
||||
import '../database_helper.dart';
|
||||
|
||||
/// 书籍摘抄数据访问对象
|
||||
class BookExcerptDao {
|
||||
final DatabaseHelper _dbHelper = DatabaseHelper.instance;
|
||||
|
||||
/// 获取书籍的所有摘抄
|
||||
Future<List<BookExcerpt>> getExcerptsByBookId(String bookId) async {
|
||||
final db = await _dbHelper.database;
|
||||
final maps = await db.query(
|
||||
'book_excerpts',
|
||||
where: 'book_id = ? AND is_deleted = 0',
|
||||
whereArgs: [bookId],
|
||||
orderBy: 'created_at DESC',
|
||||
);
|
||||
return maps.map((map) => BookExcerpt.fromJson(map)).toList();
|
||||
}
|
||||
|
||||
/// 根据ID获取摘抄
|
||||
Future<BookExcerpt?> getExcerptById(String id) async {
|
||||
final db = await _dbHelper.database;
|
||||
final maps = await db.query(
|
||||
'book_excerpts',
|
||||
where: 'id = ? AND is_deleted = 0',
|
||||
whereArgs: [id],
|
||||
);
|
||||
if (maps.isNotEmpty) {
|
||||
return BookExcerpt.fromJson(maps.first);
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
/// 插入摘抄
|
||||
Future<String> insertExcerpt(BookExcerpt excerpt) async {
|
||||
final db = await _dbHelper.database;
|
||||
await db.insert(
|
||||
'book_excerpts',
|
||||
excerpt.toJson(),
|
||||
conflictAlgorithm: ConflictAlgorithm.replace,
|
||||
);
|
||||
return excerpt.id;
|
||||
}
|
||||
|
||||
/// 更新摘抄
|
||||
Future<void> updateExcerpt(BookExcerpt excerpt) async {
|
||||
final db = await _dbHelper.database;
|
||||
await db.update(
|
||||
'book_excerpts',
|
||||
excerpt.toJson(),
|
||||
where: 'id = ?',
|
||||
whereArgs: [excerpt.id],
|
||||
);
|
||||
}
|
||||
|
||||
/// 删除摘抄（软删除）
|
||||
Future<void> deleteExcerpt(String id) async {
|
||||
final db = await _dbHelper.database;
|
||||
await db.update(
|
||||
'book_excerpts',
|
||||
{'is_deleted': 1},
|
||||
where: 'id = ?',
|
||||
whereArgs: [id],
|
||||
);
|
||||
}
|
||||
|
||||
/// 彻底删除摘抄
|
||||
Future<void> permanentDeleteExcerpt(String id) async {
|
||||
final db = await _dbHelper.database;
|
||||
await db.delete(
|
||||
'book_excerpts',
|
||||
where: 'id = ?',
|
||||
whereArgs: [id],
|
||||
);
|
||||
}
|
||||
|
||||
/// 获取摘抄数量
|
||||
Future<int> getExcerptCount(String bookId) async {
|
||||
final db = await _dbHelper.database;
|
||||
final result = await db.rawQuery(
|
||||
'SELECT COUNT(*) as count FROM book_excerpts WHERE book_id = ? AND is_deleted = 0',
|
||||
[bookId],
|
||||
);
|
||||
return result.first['count'] as int? ?? 0;
|
||||
}
|
||||
|
||||
/// 获取所有已删除的摘抄
|
||||
Future<List<BookExcerpt>> getDeletedExcerpts() async {
|
||||
final db = await _dbHelper.database;
|
||||
final maps = await db.query(
|
||||
'book_excerpts',
|
||||
where: 'is_deleted = 1',
|
||||
orderBy: 'updated_at DESC',
|
||||
);
|
||||
return maps.map((map) => BookExcerpt.fromJson(map)).toList();
|
||||
}
|
||||
|
||||
/// 恢复已删除的摘抄
|
||||
Future<void> restoreExcerpt(String id) async {
|
||||
final db = await _dbHelper.database;
|
||||
await db.update(
|
||||
'book_excerpts',
|
||||
{'is_deleted': 0},
|
||||
where: 'id = ?',
|
||||
whereArgs: [id],
|
||||
);
|
||||
}
|
||||
}
|
||||
109
lib/utils/book/book_review_dao.dart
Normal file
109
lib/utils/book/book_review_dao.dart
Normal file
@@ -0,0 +1,109 @@
|
||||
import 'package:sqflite/sqflite.dart';
|
||||
import '../../models/data_models.dart';
|
||||
import '../database_helper.dart';
|
||||
|
||||
/// 书评数据访问对象
|
||||
class BookReviewDao {
|
||||
final DatabaseHelper _dbHelper = DatabaseHelper.instance;
|
||||
|
||||
/// 获取书籍的所有书评
|
||||
Future<List<BookReview>> getReviewsByBookId(String bookId) async {
|
||||
final db = await _dbHelper.database;
|
||||
final maps = await db.query(
|
||||
'book_reviews',
|
||||
where: 'book_id = ? AND is_deleted = 0',
|
||||
whereArgs: [bookId],
|
||||
orderBy: 'created_at DESC',
|
||||
);
|
||||
return maps.map((map) => BookReview.fromJson(map)).toList();
|
||||
}
|
||||
|
||||
/// 根据ID获取书评
|
||||
Future<BookReview?> getReviewById(String id) async {
|
||||
final db = await _dbHelper.database;
|
||||
final maps = await db.query(
|
||||
'book_reviews',
|
||||
where: 'id = ? AND is_deleted = 0',
|
||||
whereArgs: [id],
|
||||
);
|
||||
if (maps.isNotEmpty) {
|
||||
return BookReview.fromJson(maps.first);
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
/// 插入书评
|
||||
Future<String> insertReview(BookReview review) async {
|
||||
final db = await _dbHelper.database;
|
||||
await db.insert(
|
||||
'book_reviews',
|
||||
review.toJson(),
|
||||
conflictAlgorithm: ConflictAlgorithm.replace,
|
||||
);
|
||||
return review.id;
|
||||
}
|
||||
|
||||
/// 更新书评
|
||||
Future<void> updateReview(BookReview review) async {
|
||||
final db = await _dbHelper.database;
|
||||
await db.update(
|
||||
'book_reviews',
|
||||
review.toJson(),
|
||||
where: 'id = ?',
|
||||
whereArgs: [review.id],
|
||||
);
|
||||
}
|
||||
|
||||
/// 删除书评（软删除）
|
||||
Future<void> deleteReview(String id) async {
|
||||
final db = await _dbHelper.database;
|
||||
await db.update(
|
||||
'book_reviews',
|
||||
{'is_deleted': 1},
|
||||
where: 'id = ?',
|
||||
whereArgs: [id],
|
||||
);
|
||||
}
|
||||
|
||||
/// 彻底删除书评
|
||||
Future<void> permanentDeleteReview(String id) async {
|
||||
final db = await _dbHelper.database;
|
||||
await db.delete(
|
||||
'book_reviews',
|
||||
where: 'id = ?',
|
||||
whereArgs: [id],
|
||||
);
|
||||
}
|
||||
|
||||
/// 获取书评数量
|
||||
Future<int> getReviewCount(String bookId) async {
|
||||
final db = await _dbHelper.database;
|
||||
final result = await db.rawQuery(
|
||||
'SELECT COUNT(*) as count FROM book_reviews WHERE book_id = ? AND is_deleted = 0',
|
||||
[bookId],
|
||||
);
|
||||
return result.first['count'] as int? ?? 0;
|
||||
}
|
||||
|
||||
/// 获取所有已删除的书评
|
||||
Future<List<BookReview>> getDeletedReviews() async {
|
||||
final db = await _dbHelper.database;
|
||||
final maps = await db.query(
|
||||
'book_reviews',
|
||||
where: 'is_deleted = 1',
|
||||
orderBy: 'updated_at DESC',
|
||||
);
|
||||
return maps.map((map) => BookReview.fromJson(map)).toList();
|
||||
}
|
||||
|
||||
/// 恢复已删除的书评
|
||||
Future<void> restoreReview(String id) async {
|
||||
final db = await _dbHelper.database;
|
||||
await db.update(
|
||||
'book_reviews',
|
||||
{'is_deleted': 0},
|
||||
where: 'id = ?',
|
||||
whereArgs: [id],
|
||||
);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user