generated from dellevin/template
优化
This commit is contained in:
@@ -1,3 +1,4 @@
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import 'package:flutter/foundation.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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@@ -6,8 +7,17 @@ import '../database_helper.dart';
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class BookReviewDao {
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final DatabaseHelper _dbHelper = DatabaseHelper.instance;
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Future<T> _wrap<T>(String op, Future<T> Function() fn) async {
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try {
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return await fn();
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} catch (e) {
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debugPrint('[BookReviewDao] $op error: $e');
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rethrow;
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}
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}
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/// 获取书籍的所有书评
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Future<List<BookReview>> getReviewsByBookId(String bookId) async {
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Future<List<BookReview>> getReviewsByBookId(String bookId) => _wrap('getReviewsByBookId', () async {
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final db = await _dbHelper.database;
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final maps = await db.query(
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'book_reviews',
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@@ -16,24 +26,22 @@ class BookReviewDao {
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orderBy: 'created_at DESC',
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);
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return maps.map((map) => BookReview.fromJson(map)).toList();
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}
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});
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/// 根据ID获取书评
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Future<BookReview?> getReviewById(String id) async {
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Future<BookReview?> getReviewById(String id) => _wrap('getReviewById', () async {
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final db = await _dbHelper.database;
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final maps = await db.query(
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'book_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.isNotEmpty) {
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return BookReview.fromJson(maps.first);
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}
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if (maps.isNotEmpty) return BookReview.fromJson(maps.first);
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return null;
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}
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});
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/// 插入书评
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Future<String> insertReview(BookReview review) async {
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Future<String> insertReview(BookReview review) => _wrap('insertReview', () async {
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final db = await _dbHelper.database;
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await db.insert(
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'book_reviews',
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@@ -41,10 +49,10 @@ class BookReviewDao {
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conflictAlgorithm: ConflictAlgorithm.replace,
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);
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return review.id;
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}
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});
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/// 更新书评
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Future<void> updateReview(BookReview review) async {
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Future<void> updateReview(BookReview review) => _wrap('updateReview', () async {
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final db = await _dbHelper.database;
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await db.update(
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'book_reviews',
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@@ -52,10 +60,10 @@ class BookReviewDao {
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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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});
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/// 删除书评(软删除)
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Future<void> deleteReview(String id) async {
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Future<void> deleteReview(String id) => _wrap('deleteReview', () async {
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final db = await _dbHelper.database;
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await db.update(
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'book_reviews',
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@@ -63,30 +71,30 @@ class BookReviewDao {
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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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/// 彻底删除书评
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Future<void> permanentDeleteReview(String id) async {
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Future<void> permanentDeleteReview(String id) => _wrap('permanentDeleteReview', () async {
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final db = await _dbHelper.database;
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await db.delete(
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'book_reviews',
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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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/// 获取书评数量
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Future<int> getReviewCount(String bookId) async {
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Future<int> getReviewCount(String bookId) => _wrap('getReviewCount', () 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 book_reviews WHERE book_id = ? AND is_deleted = 0',
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[bookId],
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);
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return result.first['count'] as int? ?? 0;
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}
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});
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/// 获取所有已删除的书评
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Future<List<BookReview>> getDeletedReviews() async {
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Future<List<BookReview>> getDeletedReviews() => _wrap('getDeletedReviews', () async {
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final db = await _dbHelper.database;
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final maps = await db.query(
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'book_reviews',
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@@ -94,10 +102,10 @@ class BookReviewDao {
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orderBy: 'updated_at DESC',
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);
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return maps.map((map) => BookReview.fromJson(map)).toList();
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}
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});
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/// 恢复已删除的书评
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Future<void> restoreReview(String id) async {
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Future<void> restoreReview(String id) => _wrap('restoreReview', () async {
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final db = await _dbHelper.database;
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await db.update(
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'book_reviews',
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@@ -105,5 +113,5 @@ class BookReviewDao {
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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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}
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