结构重构

2026-03-12 14:33:28 +08:00
parent f63b5b1843
commit 0f221456cb
39 changed files with 106 additions and 105 deletions
--- a/lib/pages/book/book_tab_page.dart
+++ b/lib/pages/book/book_tab_page.dart
@@ -0,0 +1,174 @@
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+import '../../providers/app_provider.dart';
+import '../../models/data_models.dart';
+import '../../widgets/book_status_bar.dart';
+import '../../widgets/book_list_item.dart';
+
+/// 阅读标签页
+class BookTabPage extends StatelessWidget {
+  const BookTabPage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      children: [
+        // 状态选择栏（读完、在读、准备读）
+        const BookStatusBar(),
+        
+        // 书籍列表
+        Expanded(
+          child: _buildBookList(context),
+        ),
+      ],
+    );
+  }
+
+  /// 构建书籍列表
+  Widget _buildBookList(BuildContext context) {
+    return Consumer<AppProvider>(
+      builder: (context, provider, child) {
+        // 根据状态筛选书籍
+        final statusMap = {
+          0: 'read',
+          1: 'reading',
+          2: 'want_to_read',
+        };
+        final currentStatus = statusMap[provider.bookStatusIndex]!;
+        final books = provider.getBooksByStatus(currentStatus);
+        
+        if (books.isEmpty) {
+          return _buildEmptyState(context, provider.bookStatusIndex);
+        }
+        
+        return RefreshIndicator(
+          onRefresh: () async => await provider.loadBooks(),
+          color: const Color(0xFF1A1A1A),
+          backgroundColor: Colors.white,
+          child: GridView.builder(
+            padding: const EdgeInsets.all(16),
+            gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
+              crossAxisCount: 3,
+              childAspectRatio: 0.55,
+              crossAxisSpacing: 12,
+              mainAxisSpacing: 16,
+            ),
+            itemCount: books.length,
+            itemBuilder: (context, index) {
+              return BookListItem(book: books[index]);
+            },
+          ),
+        );
+      },
+    );
+  }
+
+  /// 构建空状态提示
+  Widget _buildEmptyState(BuildContext context, int statusIndex) {
+    final statusText = ['读完', '在读', '准备读'][statusIndex];
+    
+    return Center(
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          Icon(
+            Icons.menu_book_outlined,
+            size: 80,
+            color: Theme.of(context).colorScheme.onSurfaceVariant.withValues(alpha: 0.3),
+          ),
+          const SizedBox(height: 16),
+          Text(
+            '暂无$statusText的书籍',
+            style: Theme.of(context).textTheme.titleMedium?.copyWith(
+              color: Theme.of(context).colorScheme.onSurfaceVariant,
+            ),
+          ),
+          const SizedBox(height: 8),
+          ElevatedButton.icon(
+            icon: const Icon(Icons.add),
+            label: const Text('添加记录'),
+            onPressed: () {
+              final statusMap = {
+                0: 'read',
+                1: 'reading',
+                2: 'want_to_read',
+              };
+              final currentStatus = statusMap[statusIndex]!;
+              Navigator.pushNamed(
+                context,
+                '/book-form',
+                arguments: {'initialStatus': currentStatus},
+              );
+            },
+          ),
+        ],
+      ),
+    );
+  }
+
+  /// 获取示例书籍数据
+  List<Book> _getSampleBooks(int statusIndex) {
+    final statusMap = ['read', 'reading', 'want_to_read'];
+    final currentStatus = statusMap[statusIndex];
+    final now = DateTime.now();
+    
+    // 示例数据（实际应从数据库获取）
+    final allBooks = [
+      Book(
+        id: '1',
+        title: '活着',
+        authors: ['余华'],
+        rating: 9.2,
+        status: 'read',
+        genres: ['小说', '文学'],
+        summary: '非常感人的故事，让人思考生命的意义',
+        createdAt: now,
+        updatedAt: now,
+      ),
+      Book(
+        id: '2',
+        title: '百年孤独',
+        authors: ['加西亚·马尔克斯'],
+        rating: 9.3,
+        status: 'read',
+        genres: ['小说', '魔幻现实主义'],
+        publisher: '南海出版公司',
+        createdAt: now,
+        updatedAt: now,
+      ),
+      Book(
+        id: '3',
+        title: '人类简史',
+        authors: ['尤瓦尔·赫拉利'],
+        rating: 9.0,
+        status: 'reading',
+        genres: ['历史', '科普'],
+        createdAt: now,
+        updatedAt: now,
+      ),
+      Book(
+        id: '4',
+        title: '三体',
+        authors: ['刘慈欣'],
+        rating: 9.5,
+        status: 'want_to_read',
+        genres: ['科幻', '小说'],
+        createdAt: now,
+        updatedAt: now,
+      ),
+      Book(
+        id: '5',
+        title: '追风筝的人',
+        authors: ['卡勒德·胡赛尼'],
+        rating: 8.9,
+        status: 'read',
+        genres: ['小说', '文学'],
+        summary: '关于救赎与成长的故事',
+        createdAt: now,
+        updatedAt: now,
+      ),
+    ];
+    
+    return allBooks.where((b) => b.status == currentStatus).toList();
+  }
+}