二次开发源码提交

2026-05-15 08:52:48 +08:00
parent 4131f7321a
commit eb35a1d067
191 changed files with 34566 additions and 0 deletions
@@ -0,0 +1,161 @@
+import 'package:flutter/material.dart';
+import '../../../data/models/user_setting_model.dart';
+import '../../../services/user_setting_service.dart';
+import '../../widgets/toast_helper.dart';
+import '../../widgets/desktop_constrained.dart';
+
+/// 积分变动历史页
+class CreditHistoryPage extends StatefulWidget {
+  final int currentCredit;
+
+  const CreditHistoryPage({super.key, required this.currentCredit});
+
+  @override
+  State<CreditHistoryPage> createState() => _CreditHistoryPageState();
+}
+
+class _CreditHistoryPageState extends State<CreditHistoryPage> {
+  final List<CreditChange> _changes = [];
+  String? _nextToken;
+  bool _isLoading = true;
+  bool _isLoadingMore = false;
+  bool get _hasMore => _nextToken != null && _nextToken!.isNotEmpty;
+
+  @override
+  void initState() {
+    super.initState();
+    _loadChanges();
+  }
+
+  Future<void> _loadChanges() async {
+    try {
+      final result = await UserSettingService.instance.getCreditChanges(
+        nextPageToken: _nextToken,
+      );
+      if (mounted) {
+        setState(() {
+          _changes.addAll(result.changes);
+          _nextToken = result.nextToken;
+          _isLoading = false;
+          _isLoadingMore = false;
+        });
+      }
+    } catch (e) {
+      if (mounted) {
+        setState(() {
+          _isLoading = false;
+          _isLoadingMore = false;
+        });
+        ToastHelper.failure('加载积分记录失败: $e');
+      }
+    }
+  }
+
+  Future<void> _loadMore() async {
+    if (_isLoadingMore || !_hasMore) return;
+    setState(() => _isLoadingMore = true);
+    await _loadChanges();
+  }
+
+  Future<void> _refresh() async {
+    setState(() {
+      _changes.clear();
+      _nextToken = null;
+      _isLoading = true;
+    });
+    await _loadChanges();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+    final colorScheme = theme.colorScheme;
+
+    return Scaffold(
+      appBar: AppBar(title: const Text('积分记录')),
+      body: DesktopConstrained(
+        child: _isLoading
+          ? const Center(child: CircularProgressIndicator())
+          : RefreshIndicator(
+              onRefresh: _refresh,
+              child: CustomScrollView(
+                slivers: [
+                  SliverToBoxAdapter(
+                    child: Padding(
+                      padding: const EdgeInsets.all(24),
+                      child: Column(
+                        children: [
+                          Text(
+                            '${widget.currentCredit}',
+                            style: theme.textTheme.displaySmall?.copyWith(
+                              fontWeight: FontWeight.bold,
+                              color: colorScheme.primary,
+                            ),
+                          ),
+                          const SizedBox(height: 4),
+                          Text('当前积分', style: theme.textTheme.bodyMedium?.copyWith(
+                            color: colorScheme.onSurfaceVariant,
+                          )),
+                        ],
+                      ),
+                    ),
+                  ),
+                  if (_changes.isEmpty)
+                    const SliverFillRemaining(
+                      child: Center(child: Text('暂无积分记录', style: TextStyle(color: Colors.grey))),
+                    )
+                  else ...[
+                    SliverList(
+                      delegate: SliverChildBuilderDelegate(
+                        (context, index) {
+                          if (index == _changes.length) {
+                            return _hasMore
+                                ? Padding(
+                                    padding: const EdgeInsets.all(16),
+                                    child: Center(
+                                      child: _isLoadingMore
+                                          ? const CircularProgressIndicator()
+                                          : TextButton(
+                                              onPressed: _loadMore,
+                                              child: const Text('加载更多'),
+                                            ),
+                                    ),
+                                  )
+                                : const SizedBox.shrink();
+                          }
+
+                          final change = _changes[index];
+                          final isPositive = change.diff > 0;
+
+                          return ListTile(
+                            leading: Icon(
+                              isPositive ? Icons.add_circle_outline : Icons.remove_circle_outline,
+                              color: isPositive ? Colors.green : Colors.red,
+                            ),
+                            title: Text(change.reasonLabel),
+                            subtitle: Text(_formatDateTime(change.changedAt)),
+                            trailing: Text(
+                              '${isPositive ? "+" : ""}${change.diff}',
+                              style: TextStyle(
+                                color: isPositive ? Colors.green : Colors.red,
+                                fontWeight: FontWeight.bold,
+                              ),
+                            ),
+                          );
+                        },
+                        childCount: _changes.length + 1,
+                      ),
+                    ),
+                  ],
+                ],
+              ),
+            ),
+      ),
+    );
+  }
+
+  String _formatDateTime(DateTime dt) {
+    return '${dt.year}-${dt.month.toString().padLeft(2, '0')}-${dt.day.toString().padLeft(2, '0')}'
+        ' ${dt.hour.toString().padLeft(2, '0')}:${dt.minute.toString().padLeft(2, '0')}';
+  }
+}