wangjia
5dd7c07138
网络嗅探与自动恢复： - ConnectivityNotifier：在线时 30s 检测，离线时切换为 1min 嗅探 - 新增 networkRecoveryCountProvider：网络恢复时自增，各数据 provider 通过 ref.watch 实现自动重新加载 - inventory/product/stock_in/stock_out/partner provider 均已接入 FutureBuilder 类屏幕： - finance_screen + batch_tracking_screen 通过 ref.listen 监听恢复事件 修复问题 1：API 超时 10s/30s → 5s/15s，减少无网络时等待 修复问题 2：offline banner 文字由"写操作已禁用"改为实际行为描述 连通性感知： - app 启动时（_AppBootstrap）立即 forceCheck，路由跳转前状态已就绪 - 登录页：watch connectivityProvider，离线时显示警告 banner - 登录按钮：离线状态下直接提示，不等待超时 测试： - login_screen_test + login_flow_test 通过 ConnectivityNotifier(skipInit: true) 覆盖 provider，避免测试环境中 pending HTTP timer Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
371 lines
12 KiB
Dart
371 lines
12 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../../core/theme/app_theme.dart';
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import '../../models/inventory.dart';
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import '../../providers/inventory_provider.dart';
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import '../../widgets/data_table_card.dart';
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import '../../widgets/multi_select_dropdown.dart' show ColDef, ColumnToggleButton, FilterableColumnHeader;
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import '../../providers/connectivity_provider.dart';
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class BatchTrackingScreen extends ConsumerStatefulWidget {
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const BatchTrackingScreen({super.key});
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@override
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ConsumerState<BatchTrackingScreen> createState() =>
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_BatchTrackingScreenState();
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}
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class _BatchTrackingScreenState extends ConsumerState<BatchTrackingScreen> {
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int _page = 1;
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int _total = 0;
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late Future<List<ProductTrackingRecord>> _future;
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List<ProductTrackingRecord> _records = [];
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Set<String> _filterStatus = {};
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Set<String> _filterWarehouse = {};
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Set<String> _filterSupplier = {};
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Set<String> _hiddenCols = {};
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static const _colDefs = [
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ColDef('product', '商品', required: true),
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ColDef('spec', '规格', minWidth: 1100),
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ColDef('batch', '批次号', minWidth: 1000),
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ColDef('order_no', '入库单号', minWidth: 900),
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ColDef('supplier', '供应商', minWidth: 1100),
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ColDef('warehouse', '仓库'),
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ColDef('date', '入库日期', minWidth: 1000),
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ColDef('qty', '数量'),
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ColDef('price', '单价', minWidth: 900),
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ColDef('status', '状态'),
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ColDef('buyer', '买家/时间'),
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];
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@override
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void initState() {
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super.initState();
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_fetch();
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}
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void _fetch() {
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_future = ref
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.read(inventoryRepositoryProvider)
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.listProducts(page: _page, pageSize: 20)
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.then((r) {
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_total = r.total;
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_records = r.data;
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return r.data;
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});
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}
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void _refetch() => setState(() => _fetch());
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List<ProductTrackingRecord> _applyFilters(
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List<ProductTrackingRecord> all) {
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return all.where((r) {
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if (_filterStatus.isNotEmpty) {
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final label = r.isSoldOut ? '已卖出' : '在售';
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if (!_filterStatus.contains(label)) return false;
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}
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if (_filterWarehouse.isNotEmpty) {
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if (!_filterWarehouse.contains(r.warehouseName ?? '')) return false;
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}
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if (_filterSupplier.isNotEmpty) {
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if (!_filterSupplier.contains(r.supplierName ?? '')) return false;
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}
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return true;
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}).toList();
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}
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@override
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Widget build(BuildContext context) {
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// 网络恢复时自动刷新
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ref.listen(networkRecoveryCountProvider, (_, __) => _refetch());
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return FutureBuilder<List<ProductTrackingRecord>>(
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future: _future,
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builder: (context, snap) {
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if (snap.connectionState == ConnectionState.waiting) {
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return const Center(child: CircularProgressIndicator());
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}
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if (snap.hasError) {
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// 有缓存数据时展示缓存，顶部加提示条
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if (_records.isNotEmpty) {
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return Column(
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children: [
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_OfflineBanner(onRetry: _refetch),
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Expanded(child: _buildTable(_applyFilters(_records))),
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],
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);
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}
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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const Icon(Icons.cloud_off, size: 40, color: AppTheme.textSecondary),
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const SizedBox(height: 12),
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const Text('暂无数据，网络不可用', style: TextStyle(color: AppTheme.textSecondary)),
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const SizedBox(height: 12),
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ElevatedButton(onPressed: _refetch, child: const Text('重试')),
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],
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),
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);
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}
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final filtered = _applyFilters(_records);
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return _buildTable(filtered);
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},
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);
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}
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Widget _buildTable(List<ProductTrackingRecord> records) {
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// Derive filter options from all loaded records
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final warehouseOptions = _records
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.map((r) => r.warehouseName ?? '')
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.where((s) => s.isNotEmpty)
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.toSet()
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.toList()
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..sort();
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final supplierOptions = _records
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.map((r) => r.supplierName ?? '')
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.where((s) => s.isNotEmpty)
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.toSet()
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.toList()
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..sort();
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// Build visible columns (respect manual hide + responsive auto-hide)
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final screenWidth = MediaQuery.of(context).size.width;
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final visibleCols = _colDefs
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.where((c) =>
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!_hiddenCols.contains(c.key) &&
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(c.minWidth == null || screenWidth >= c.minWidth!))
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.toList();
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final columns = visibleCols.map((c) {
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final label = switch (c.key) {
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'status' => FilterableColumnHeader(
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text: c.label,
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options: const ['在售', '已卖出'],
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selected: _filterStatus,
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onChanged: (v) => setState(() => _filterStatus = v),
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),
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'warehouse' => FilterableColumnHeader(
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text: c.label,
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options: warehouseOptions,
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selected: _filterWarehouse,
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onChanged: (v) => setState(() => _filterWarehouse = v),
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),
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'supplier' => FilterableColumnHeader(
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text: c.label,
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options: supplierOptions,
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selected: _filterSupplier,
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onChanged: (v) => setState(() => _filterSupplier = v),
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),
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_ => Text(c.label),
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};
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return DataColumn(
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label: label,
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numeric: c.key == 'qty' || c.key == 'price');
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}).toList();
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final rows = records.isEmpty
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? [
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DataRow(
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cells: List.generate(
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visibleCols.length,
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(i) => i == 1
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? const DataCell(Text('暂无记录',
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style: TextStyle(color: AppTheme.textSecondary)))
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: const DataCell(SizedBox()),
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),
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),
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]
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: records
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.map((r) => DataRow(
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cells: visibleCols
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.map((c) => _buildCell(c.key, r))
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.toList(),
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))
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.toList();
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return DataTableCard(
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totalCount: _total,
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page: _page,
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onPageChanged: (p) => setState(() {
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_page = p;
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_fetch();
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}),
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toolbar: Row(
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children: [
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const Text('已审核入库商品（含库存与销售状态）',
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style: TextStyle(fontSize: 13, color: AppTheme.textSecondary)),
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const Spacer(),
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IconButton(
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icon: const Icon(Icons.refresh, size: 18),
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onPressed: () => setState(() {
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_page = 1;
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_fetch();
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}),
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tooltip: '刷新',
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),
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const SizedBox(width: 4),
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ColumnToggleButton(
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columns: _colDefs,
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hidden: _hiddenCols,
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onChanged: (v) => setState(() => _hiddenCols = v),
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),
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],
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),
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columns: columns,
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rows: rows,
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);
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}
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DataCell _buildCell(String key, ProductTrackingRecord r) {
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final batchText =
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(r.batchNo != null && r.batchNo!.isNotEmpty) ? r.batchNo! : null;
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switch (key) {
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case 'product':
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return DataCell(Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Text(r.productName ?? '-',
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style: const TextStyle(
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fontSize: 13, fontWeight: FontWeight.w500)),
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if (r.productCode != null)
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Text(r.productCode!,
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style: const TextStyle(
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fontSize: 11,
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color: AppTheme.textSecondary,
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fontFamily: 'monospace')),
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],
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));
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case 'spec':
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return DataCell(Text(r.productSpec ?? '-',
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style: const TextStyle(fontSize: 12)));
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case 'batch':
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return DataCell(batchText != null
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? Container(
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padding:
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const EdgeInsets.symmetric(horizontal: 6, vertical: 2),
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decoration: BoxDecoration(
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color: AppTheme.primary.withOpacity(0.08),
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borderRadius: BorderRadius.circular(3),
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),
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child: Text(batchText,
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style: const TextStyle(
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fontSize: 12,
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color: AppTheme.primary,
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fontFamily: 'monospace')),
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)
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: const Text('无批次',
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style: TextStyle(
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fontSize: 12, color: AppTheme.textSecondary)));
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case 'order_no':
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return DataCell(Text(r.orderNo ?? '-',
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style: const TextStyle(
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fontSize: 11,
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color: AppTheme.primary,
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fontFamily: 'monospace')));
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case 'supplier':
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return DataCell(Text(r.supplierName ?? '-',
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style: const TextStyle(fontSize: 12)));
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case 'warehouse':
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return DataCell(Text(r.warehouseName ?? '-',
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style: const TextStyle(fontSize: 12)));
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case 'date':
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return DataCell(Text(r.orderDate?.substring(0, 10) ?? '-',
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style: const TextStyle(fontSize: 12)));
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case 'qty':
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return DataCell(Text(
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'${r.quantity.toStringAsFixed(0)} ${r.productUnit ?? ''}',
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style: const TextStyle(fontWeight: FontWeight.w500)));
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case 'price':
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return DataCell(Text('¥${r.unitPrice.toStringAsFixed(2)}',
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style: const TextStyle(fontSize: 13)));
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case 'status':
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return DataCell(_StatusBadge(r.isSoldOut));
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case 'buyer':
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return DataCell(r.isSoldOut
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? Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Text(
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r.buyerName?.isNotEmpty == true ? r.buyerName! : '未知买家',
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style: const TextStyle(
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fontSize: 12, fontWeight: FontWeight.w500),
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),
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if (r.soldAt != null)
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Text(
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r.soldAt!.length > 10
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? r.soldAt!.substring(0, 10)
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: r.soldAt!,
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style: const TextStyle(
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fontSize: 11, color: AppTheme.textSecondary)),
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],
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)
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: const Text('-',
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style: TextStyle(color: AppTheme.textSecondary)));
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default:
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return const DataCell(SizedBox());
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}
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}
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}
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class _StatusBadge extends StatelessWidget {
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final bool isSoldOut;
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const _StatusBadge(this.isSoldOut);
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@override
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Widget build(BuildContext context) {
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return Container(
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 3),
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decoration: BoxDecoration(
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color: isSoldOut
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? AppTheme.textSecondary.withOpacity(0.12)
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: AppTheme.success.withOpacity(0.12),
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borderRadius: BorderRadius.circular(3),
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),
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child: Text(
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isSoldOut ? '已卖出' : '在售',
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style: TextStyle(
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fontSize: 12,
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fontWeight: FontWeight.w600,
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color: isSoldOut ? AppTheme.textSecondary : AppTheme.success,
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),
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),
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);
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}
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}
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class _OfflineBanner extends StatelessWidget {
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final VoidCallback onRetry;
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const _OfflineBanner({required this.onRetry});
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@override
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Widget build(BuildContext context) {
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return Container(
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width: double.infinity,
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color: const Color(0xFFFFF8E1),
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 6),
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child: Row(
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children: [
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const Icon(Icons.cloud_off, size: 14, color: Color(0xFFF57F17)),
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const SizedBox(width: 8),
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const Expanded(
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child: Text('网络不可用，当前显示离线缓存数据',
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style: TextStyle(color: Color(0xFFF57F17), fontSize: 12)),
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),
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TextButton(
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onPressed: onRetry,
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style: TextButton.styleFrom(
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foregroundColor: const Color(0xFFF57F17),
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padding: const EdgeInsets.symmetric(horizontal: 8)),
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child: const Text('重试', style: TextStyle(fontSize: 12)),
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),
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],
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),
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);
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}
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}
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