wangjia
145 lines
4.1 KiB
Dart
145 lines
4.1 KiB
Dart
import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../core/api/api_client.dart';
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import '../core/auth/auth_state.dart';
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import '../core/config/app_constants.dart';
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import '../core/models/page_result.dart';
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import '../models/finance.dart';
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import '../repositories/finance_repository.dart';
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final financeRepositoryProvider = Provider<FinanceRepository>((ref) {
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return FinanceRepository(ref.watch(apiClientProvider));
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});
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final financeListProvider =
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AsyncNotifierProvider<FinanceListNotifier, PageResult<FinanceRecord>>(
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FinanceListNotifier.new,
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);
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class FinanceListNotifier extends AsyncNotifier<PageResult<FinanceRecord>> {
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int _page = 1;
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int _pageSize = AppConstants.defaultPageSize;
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String _type = '';
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String _month = '';
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String _startDate = '';
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String _endDate = '';
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int? _partnerId;
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@override
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Future<PageResult<FinanceRecord>> build() {
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ref.watch(authStateProvider.select((s) => s.user?.shopId));
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return _fetch();
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}
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Future<PageResult<FinanceRecord>> _fetch() {
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return ref.read(financeRepositoryProvider).listRecords(
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type: _type.isEmpty ? null : _type,
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month: _month.isEmpty ? null : _month,
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startDate: _startDate.isEmpty ? null : _startDate,
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endDate: _endDate.isEmpty ? null : _endDate,
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partnerId: _partnerId,
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page: _page,
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pageSize: _pageSize,
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);
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}
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void setType(String type) {
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_type = type;
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_page = 1;
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reload();
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}
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/// 往来单位筛选（工具栏 ComboSearchField / 移动端 chip→sheet 共用）。
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void setPartner(int? partnerId) {
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_partnerId = partnerId;
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_page = 1;
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reload();
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}
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void setMonth(String month) {
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_month = month;
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_startDate = '';
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_endDate = '';
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_page = 1;
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reload();
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}
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/// 日期区间（本季/自定义时间范围）；与 month 互斥。
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void setRange(String startDate, String endDate) {
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_startDate = startDate;
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_endDate = endDate;
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_month = '';
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_page = 1;
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reload();
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}
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void setPage(int page) {
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_page = page;
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reload();
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}
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void setPageSize(int pageSize) {
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_pageSize = pageSize;
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_page = 1;
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reload();
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}
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void reload() {
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// 保留上一次数据（isReloading）→ 屏幕渲染旧内容 + 半透明进度，不白屏。
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state = const AsyncValue<PageResult<FinanceRecord>>.loading()
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.copyWithPrevious(state);
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_fetch().then(
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(result) => state = AsyncValue.data(result),
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onError: (e, st) => state =
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AsyncValue<PageResult<FinanceRecord>>.error(e, st)
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.copyWithPrevious(state),
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);
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}
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}
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/// 收支趋势（近 6 个自然月，柱状图数据源）。
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final financeTrendProvider = FutureProvider<List<TrendPoint>>((ref) async {
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ref.watch(authStateProvider.select((s) => s.user?.shopId));
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return ref.read(financeRepositoryProvider).trend(months: 6);
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});
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/// 应收/应付按往来单位汇总行（合并 /finance/summary 的 recv/pay 两类）。
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class PartnerFinanceRow {
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final int? partnerId;
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final String name;
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final double recv;
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final double pay;
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final int openCount;
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const PartnerFinanceRow(
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{this.partnerId,
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required this.name,
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this.recv = 0,
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this.pay = 0,
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this.openCount = 0});
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double get net => recv - pay;
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}
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final financePartnerRowsProvider =
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FutureProvider<List<PartnerFinanceRow>>((ref) async {
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ref.watch(authStateProvider.select((s) => s.user?.shopId));
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final rows = await ref.read(financeRepositoryProvider).partnerSummary();
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final map = <String, PartnerFinanceRow>{};
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for (final r in rows) {
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final key = '${r.partnerId ?? 0}|${r.partnerName}';
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final cur = map[key] ??
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PartnerFinanceRow(
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partnerId: r.partnerId,
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name: r.partnerName.isEmpty ? '（未指定单位）' : r.partnerName);
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map[key] = PartnerFinanceRow(
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partnerId: cur.partnerId,
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name: cur.name,
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recv: cur.recv + (r.type == 'receivable' ? r.totalAmount : 0),
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pay: cur.pay + (r.type == 'payable' ? r.totalAmount : 0),
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openCount: cur.openCount + r.recordCount,
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);
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}
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final list = map.values.toList()
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..sort((a, b) => (b.recv + b.pay).compareTo(a.recv + a.pay));
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return list;
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});
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