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jiu/client/lib/providers/finance_provider.dart
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Dart

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