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服务端接口优化

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todo：待添加影评海报，书评书摘的接口与标签接口
This commit is contained in:
DelLevin-Home
2026-05-28 02:31:51 +08:00
parent 5022a13b74
commit 21f9c55018
29 changed files with 898 additions and 973 deletions
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6
lib/pages/book/book_detail_page.dart
View File

@@ -1,6 +1,7 @@
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import '../../widgets/fade_in_local_image.dart';
import 'package:share_plus/share_plus.dart';
import 'package:cross_file/cross_file.dart';
import '../../providers/app_provider.dart';
@@ -188,10 +189,9 @@ class _BookDetailPageState extends State<BookDetailPage> {
Widget _buildCoverSection(Book book) {
return SizedBox.expand(
child: book.coverPath != null && book.coverPath!.isNotEmpty
? Image.file(
File(book.coverPath!),
? FadeInLocalImage(
path: book.coverPath,
fit: BoxFit.cover,
errorBuilder: (_, __, ___) => _buildCoverPlaceholder(),
)
: _buildCoverPlaceholder(),
);

6
lib/pages/book/book_form_page.dart
View File

@@ -6,6 +6,7 @@ import 'package:path/path.dart' as p;
import 'package:provider/provider.dart';
import 'package:http/http.dart' as http;
import '../../providers/app_provider.dart';
import '../../widgets/fade_in_local_image.dart';
import '../../models/data_models.dart';
import '../../utils/toast_util.dart';
import '../../utils/image_path_helper.dart';
@@ -921,10 +922,9 @@ class _BookFormPageState extends State<BookFormPage> {
),
clipBehavior: Clip.antiAlias,
child: hasCover
? Image.file(
File(_coverPath!),
? FadeInLocalImage(
path: _coverPath,
fit: BoxFit.cover,
errorBuilder: (_, __, ___) => _buildCoverPlaceholder(),
)
: _buildCoverPlaceholder(),
),

5
lib/pages/book/book_share_page.dart
View File

@@ -6,6 +6,7 @@ import 'package:path_provider/path_provider.dart';
import 'package:share_plus/share_plus.dart';
import '../../models/data_models.dart';
import '../../utils/toast_util.dart';
import '../../widgets/fade_in_local_image.dart';
/// 书籍分享海报页面
class BookSharePage extends StatefulWidget {
@@ -102,8 +103,8 @@ class _BookSharePageState extends State<BookSharePage> {
if (hasCover)
ClipRRect(
borderRadius: const BorderRadius.vertical(top: Radius.circular(16)),
child: Image.file(
File(book.coverPath!),
child: FadeInLocalImage(
path: book.coverPath,
width: 320,
height: 200,
fit: BoxFit.cover,

347
lib/pages/book/book_tab_page.dart
View File

@@ -1,14 +1,15 @@
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import '../../models/data_models.dart';
import '../../providers/app_provider.dart';
import '../../utils/user_prefs.dart';
import '../../widgets/book_status_bar.dart';
import '../../widgets/book_list_item.dart';
import '../../widgets/animated_star_rating.dart';
import '../../widgets/shimmer_skeleton.dart';
import '../../widgets/fade_in_local_image.dart';
/// 阅读标签页
/// 阅读标签页（分页 + 触底加载）
class BookTabPage extends StatefulWidget {
const BookTabPage({super.key});
@@ -18,217 +19,215 @@ class BookTabPage extends StatefulWidget {
class _BookTabPageState extends State<BookTabPage> {
int _layoutStyle = 0;
bool _firstLoad = true;
final List<Book> _items = [];
bool _hasMore = true;
bool _isLoading = false;
int _offset = 0;
int _lastStatusIndex = -1;
bool _initialized = false;
int _lastDataCount = -1;
DateTime? _lastUpdatedAt;
late ScrollController _scrollController;
static const _statusMap = {0: 'read', 1: 'reading', 2: 'want_to_read'};
@override
void initState() {
super.initState();
_layoutStyle = UserPrefs().bookLayoutStyle;
_scrollController = ScrollController()..addListener(_onScroll);
WidgetsBinding.instance.addPostFrameCallback((_) {
if (mounted) setState(() => _firstLoad = false);
final provider = context.read<AppProvider>();
provider.addListener(_onDataChanged);
_lastDataCount = provider.books.length;
if (provider.books.isNotEmpty) _lastUpdatedAt = provider.books.first.updatedAt;
_loadFirst();
});
}
@override
Widget build(BuildContext context) {
return Column(
children: [
const BookStatusBar(),
Expanded(
child: _buildBookList(context),
),
],
);
void dispose() {
_scrollController.dispose();
super.dispose();
}
Widget _buildBookList(BuildContext context) {
void _onDataChanged() {
if (!_initialized || !mounted) return;
final provider = context.read<AppProvider>();
final count = provider.books.length;
final latest = provider.books.isNotEmpty ? provider.books.first.updatedAt : null;
if (count != _lastDataCount || latest != _lastUpdatedAt) {
_lastDataCount = count;
_lastUpdatedAt = latest;
WidgetsBinding.instance.addPostFrameCallback((_) {
if (mounted) _loadFirst();
});
}
}
void _onScroll() {
if (_scrollController.position.pixels >= _scrollController.position.maxScrollExtent - 200) {
_loadMore();
}
}
Future<void> _loadFirst() async {
final provider = context.read<AppProvider>();
final statusIdx = provider.bookStatusIndex;
_lastStatusIndex = statusIdx;
_initialized = true;
final status = _statusMap[statusIdx] ?? 'read';
setState(() { _isLoading = true; _items.clear(); _offset = 0; _hasMore = true; });
final list = await provider.loadBooksPaged(status: status, offset: 0);
if (!mounted) return;
setState(() { _items.addAll(list); _offset = list.length; _hasMore = list.length >= 20; _isLoading = false; });
}
Future<void> _loadMore() async {
if (_isLoading || !_hasMore) return;
setState(() => _isLoading = true);
final provider = context.read<AppProvider>();
final status = _statusMap[provider.bookStatusIndex] ?? 'read';
final list = await provider.loadBooksPaged(status: status, offset: _offset);
if (!mounted) return;
setState(() { _items.addAll(list); _offset += list.length; _hasMore = list.length >= 20; _isLoading = false; });
}
Future<void> _refresh() async {
await context.read<AppProvider>().loadBooks();
await _loadFirst();
}
@override
Widget build(BuildContext context) {
return Column(children: [
const BookStatusBar(),
Expanded(child: _buildBody(context)),
]);
}
Widget _buildBody(BuildContext context) {
final colors = Theme.of(context).colorScheme;
return Consumer<AppProvider>(
builder: (context, provider, child) {
final statusMap = {0: 'read', 1: 'reading', 2: 'want_to_read'};
final currentStatus = statusMap[provider.bookStatusIndex]!;
final books = provider.getBooksByStatus(currentStatus);
return Consumer<AppProvider>(builder: (context, provider, _) {
if (_initialized && provider.bookStatusIndex != _lastStatusIndex) {
_lastStatusIndex = provider.bookStatusIndex;
WidgetsBinding.instance.addPostFrameCallback((_) => _loadFirst());
}
if (_items.isEmpty && _isLoading) return _buildSkeleton();
if (_items.isEmpty) {
return RefreshIndicator(onRefresh: _refresh, color: colors.primary, backgroundColor: colors.surface,
child: ListView(physics: const AlwaysScrollableScrollPhysics(), children: [_buildEmptyState(context, provider.bookStatusIndex)]));
}
return RefreshIndicator(onRefresh: _refresh, color: colors.primary, backgroundColor: colors.surface,
child: _layoutStyle == 1 ? _buildListView() : _buildGridView());
});
}
if (_firstLoad) {
return _buildSkeleton();
}
if (books.isEmpty) {
return RefreshIndicator(
onRefresh: () async => await provider.loadBooks(),
color: colors.primary,
backgroundColor: colors.surface,
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: [_buildEmptyState(context, provider.bookStatusIndex)],
),
);
}
if (_layoutStyle == 1) {
return _buildListView(books, provider);
}
return _buildGridView(books, provider);
Widget _buildGridView() {
return GridView.builder(controller: _scrollController,
padding: const EdgeInsets.fromLTRB(16, 16, 16, 100),
gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(crossAxisCount: 3, childAspectRatio: 0.55, crossAxisSpacing: 12, mainAxisSpacing: 16),
itemCount: _items.length + (_hasMore ? 1 : 0),
itemBuilder: (context, index) {
if (index >= _items.length) return _buildLoadMore();
return BookListItem(book: _items[index]);
},
);
}
Widget _buildGridView(List books, AppProvider provider) {
final colors = Theme.of(context).colorScheme;
return RefreshIndicator(
onRefresh: () async => await provider.loadBooks(),
color: colors.primary,
backgroundColor: colors.surface,
child: GridView.builder(
padding: const EdgeInsets.fromLTRB(16, 16, 16, 100),
gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
crossAxisCount: 3,
childAspectRatio: 0.55,
crossAxisSpacing: 12,
mainAxisSpacing: 16,
),
itemCount: books.length,
itemBuilder: (context, index) => BookListItem(book: books[index]),
),
Widget _buildListView() {
return ListView.builder(controller: _scrollController,
padding: const EdgeInsets.fromLTRB(12, 8, 12, 100),
itemCount: _items.length + (_hasMore ? 1 : 0),
itemBuilder: (context, index) {
if (index >= _items.length) return _buildLoadMore();
return _buildListCard(_items[index]);
},
);
}
Widget _buildListView(List books, AppProvider provider) {
final colors = Theme.of(context).colorScheme;
return RefreshIndicator(
onRefresh: () async => await provider.loadBooks(),
color: colors.primary,
backgroundColor: colors.surface,
child: ListView.builder(
padding: const EdgeInsets.fromLTRB(12, 8, 12, 100),
itemCount: books.length,
itemBuilder: (context, index) => _buildListCard(books[index]),
),
Widget _buildLoadMore() {
return Padding(padding: const EdgeInsets.symmetric(vertical: 20),
child: Center(child: _isLoading
? SizedBox(width: 20, height: 20, child: CircularProgressIndicator(strokeWidth: 2, color: Theme.of(context).colorScheme.primary))
: Text('没有更多了', style: TextStyle(fontSize: 12, color: Theme.of(context).colorScheme.onSurface.withValues(alpha: 0.3)))),
);
}
Widget _buildListCard(book) {
Widget _buildListCard(Book book) {
final colors = Theme.of(context).colorScheme;
return GestureDetector(
onTap: () => Navigator.pushNamed(context, '/book-detail', arguments: book),
onLongPress: () => _showDeleteDialog(context, book),
child: Container(
margin: const EdgeInsets.only(bottom: 8),
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
color: colors.surfaceContainerHigh,
borderRadius: BorderRadius.circular(12),
),
child: Row(
children: [
Container(
width: 48, height: 64,
decoration: BoxDecoration(
color: colors.outlineVariant,
borderRadius: BorderRadius.circular(6),
),
clipBehavior: Clip.antiAlias,
child: book.coverPath != null && book.coverPath!.isNotEmpty
? Image.file(File(book.coverPath!), fit: BoxFit.cover,
errorBuilder: (_, __, ___) => Icon(Icons.menu_book_outlined, size: 22, color: colors.onSurface.withValues(alpha: 0.25)))
: Icon(Icons.menu_book_outlined, size: 22, color: colors.onSurface.withValues(alpha: 0.25)),
),
const SizedBox(width: 12),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(book.title, maxLines: 1, overflow: TextOverflow.ellipsis,
style: TextStyle(fontSize: 15, fontWeight: FontWeight.w600, color: colors.onSurface)),
if (book.authors.isNotEmpty) ...[
const SizedBox(height: 3),
Text(book.authors.take(2).join('、'), maxLines: 1, overflow: TextOverflow.ellipsis,
style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.35))),
],
const SizedBox(height: 6),
if (book.rating != null)
AnimatedStarRating(rating: book.rating!, starSize: 12, showNumber: true)
else
const SizedBox(height: 14),
],
),
),
const SizedBox(width: 8),
Icon(Icons.chevron_right, color: colors.onSurface.withValues(alpha: 0.2), size: 20),
],
),
child: Container(margin: const EdgeInsets.only(bottom: 8), padding: const EdgeInsets.all(12),
decoration: BoxDecoration(color: colors.surfaceContainerHigh, borderRadius: BorderRadius.circular(12)),
child: Row(children: [
Container(width: 48, height: 64,
decoration: BoxDecoration(color: colors.outlineVariant, borderRadius: BorderRadius.circular(6)),
clipBehavior: Clip.antiAlias,
child: book.coverPath != null && book.coverPath!.isNotEmpty
? FadeInLocalImage(path: book.coverPath, fit: BoxFit.cover,
errorWidget: Icon(Icons.menu_book_outlined, size: 22, color: colors.onSurface.withValues(alpha: 0.25)))
: Icon(Icons.menu_book_outlined, size: 22, color: colors.onSurface.withValues(alpha: 0.25)),
),
const SizedBox(width: 12),
Expanded(child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
Text(book.title, maxLines: 1, overflow: TextOverflow.ellipsis,
style: TextStyle(fontSize: 15, fontWeight: FontWeight.w600, color: colors.onSurface)),
if (book.authors.isNotEmpty) ...[const SizedBox(height: 3),
Text(book.authors.take(2).join('、'), maxLines: 1, overflow: TextOverflow.ellipsis,
style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.35))),
],
const SizedBox(height: 6),
if (book.rating != null) AnimatedStarRating(rating: book.rating!, starSize: 12, showNumber: true)
else const SizedBox(height: 14),
])),
const SizedBox(width: 8),
Icon(Icons.chevron_right, color: colors.onSurface.withValues(alpha: 0.2), size: 20),
]),
),
);
}
void _showDeleteDialog(BuildContext context, book) {
void _showDeleteDialog(BuildContext context, Book book) {
final colors = Theme.of(context).colorScheme;
showDialog(
context: context,
builder: (ctx) => AlertDialog(
backgroundColor: colors.surface,
elevation: 0,
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
title: Text('确认删除', style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600, color: colors.onSurface)),
content: Text('确定要删除《${book.title}》吗？删除后可在回收站恢复。',
style: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.6), height: 1.5)),
actions: [
TextButton(
onPressed: () => Navigator.pop(ctx),
child: Text('取消', style: TextStyle(color: colors.onSurface.withValues(alpha: 0.6))),
),
ElevatedButton(
onPressed: () async {
await context.read<AppProvider>().removeBook(book.id);
Navigator.pop(ctx);
},
style: ElevatedButton.styleFrom(
backgroundColor: colors.error, foregroundColor: colors.onError, elevation: 0,
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
),
child: const Text('删除'),
),
],
actionsPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
),
);
showDialog(context: context, builder: (ctx) => AlertDialog(
backgroundColor: colors.surface, elevation: 0, shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
title: Text('确认删除', style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600, color: colors.onSurface)),
content: Text('确定要删除《${book.title}》吗？删除后可在回收站恢复。',
style: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.6), height: 1.5)),
actions: [
TextButton(onPressed: () => Navigator.pop(ctx), child: Text('取消', style: TextStyle(color: colors.onSurface.withValues(alpha: 0.6)))),
ElevatedButton(onPressed: () async { await context.read<AppProvider>().removeBook(book.id); Navigator.pop(ctx); _loadFirst(); },
style: ElevatedButton.styleFrom(backgroundColor: colors.error, foregroundColor: colors.onError, elevation: 0,
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)), padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8)),
child: const Text('删除'),
),
],
actionsPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
));
}
Widget _buildSkeleton() {
return _layoutStyle == 1
? MovieSkeletonGrid()
: const BookSkeletonGrid();
}
Widget _buildSkeleton() => _layoutStyle == 1 ? const MovieSkeletonGrid() : const BookSkeletonGrid();
Widget _buildEmptyState(BuildContext context, int statusIndex) {
final colors = Theme.of(context).colorScheme;
final statusText = ['已读', '在读', '想读'][statusIndex];
return Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Container(
width: 80, height: 80,
decoration: BoxDecoration(color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(20)),
child: Icon(Icons.menu_book_outlined, size: 40, color: colors.onSurface.withValues(alpha: 0.25)),
),
const SizedBox(height: 20),
Text('暂无$statusText的书籍', style: TextStyle(fontSize: 16, color: colors.onSurface.withValues(alpha: 0.4))),
const SizedBox(height: 24),
InkWell(
onTap: () {
final statusMap = {0: 'read', 1: 'reading', 2: 'want_to_read'};
Navigator.pushNamed(context, '/book-form', arguments: {'initialStatus': statusMap[statusIndex]!});
},
child: Container(
padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 12),
decoration: BoxDecoration(color: colors.primary, borderRadius: BorderRadius.circular(8)),
child: Text('添加记录', style: TextStyle(fontSize: 14, fontWeight: FontWeight.w500, color: colors.onPrimary)),
),
),
],
return Center(child: Column(mainAxisAlignment: MainAxisAlignment.center, children: [
Container(width: 80, height: 80,
decoration: BoxDecoration(color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(20)),
child: Icon(Icons.menu_book_outlined, size: 40, color: colors.onSurface.withValues(alpha: 0.25))),
const SizedBox(height: 20),
Text('暂无$statusText的书籍', style: TextStyle(fontSize: 16, color: colors.onSurface.withValues(alpha: 0.4))),
const SizedBox(height: 24),
InkWell(onTap: () {
final statusMap = {0: 'read', 1: 'reading', 2: 'want_to_read'};
Navigator.pushNamed(context, '/book-form', arguments: {'initialStatus': statusMap[statusIndex]!});
},
child: Container(padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 12),
decoration: BoxDecoration(color: colors.primary, borderRadius: BorderRadius.circular(8)),
child: Text('添加记录', style: TextStyle(fontSize: 14, fontWeight: FontWeight.w500, color: colors.onPrimary))),
),
);
]));
}
}