287 lines
10 KiB
Dart
287 lines
10 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:miaoji_zhang/features/home/pages/transaction_edit_page.dart';
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import 'package:miaoji_zhang/shared/api/api_client.dart';
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import 'package:miaoji_zhang/shared/api/business_api.dart';
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import 'package:miaoji_zhang/shared/services/current_ledger_store.dart';
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import 'package:miaoji_zhang/shared/services/local_database.dart';
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import 'package:miaoji_zhang/shared/services/screenshot_channel.dart';
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import 'package:miaoji_zhang/shared/services/session_store.dart';
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import 'package:miaoji_zhang/shared/services/shanghai_time.dart';
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import 'package:miaoji_zhang/shared/services/transaction_events.dart';
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import 'package:miaoji_zhang/shared/theme/app_theme.dart';
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import 'package:miaoji_zhang/shared/widgets/app_controls.dart';
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class RecognitionImportService {
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RecognitionImportService._();
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static bool _processing = false;
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static Future<void> configureNativeContext() async {
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final session = SessionStore.instance;
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await ScreenshotChannel.configureRecognitionContext(
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hasAccount: session.isAccount,
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aiAllowed: session.aiEnabled,
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baseUrl: ApiClient.baseUrl,
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token: session.isAccount ? await ApiClient.instance.readToken() : null,
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);
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}
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static Future<void> importAutomatic() async {
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if (_processing || !SessionStore.instance.hasSession) return;
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_processing = true;
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try {
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await CurrentLedgerStore.instance.ensureLoaded();
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final candidates = await ScreenshotChannel.drainRecognitionCandidates();
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for (final candidate in candidates.where((item) => item.canAutoImport)) {
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await _import(candidate);
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}
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} finally {
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_processing = false;
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}
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}
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static Future<void> handleAction(
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BuildContext context,
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Map<String, dynamic> action,
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) async {
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final kind = action['action']?.toString();
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if (kind == 'ready') {
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await importAutomatic();
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return;
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}
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if (kind == 'recognition_undo') {
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final transactionId = (action['transactionId'] as num?)?.toInt();
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final candidateId = action['candidateId']?.toString();
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if (transactionId == null || candidateId == null) return;
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try {
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await TxApi.delete(transactionId);
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await ScreenshotChannel.acknowledgeRecognitionCandidate(
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candidateId,
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'undone',
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);
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TransactionEvents.notifyChanged();
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if (context.mounted) {
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ScaffoldMessenger.of(
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context,
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).showSnackBar(const SnackBar(content: Text('已撤销这笔智能识别账单')));
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}
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} catch (error) {
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if (context.mounted) {
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ScaffoldMessenger.of(
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context,
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).showSnackBar(SnackBar(content: Text(apiErrorMessage(error))));
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}
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}
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return;
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}
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if (kind == 'recognition_edit') {
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final transactionId = (action['transactionId'] as num?)?.toInt();
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final cached = transactionId == null
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? null
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: LocalDatabase.instance.transaction(transactionId);
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if (!context.mounted) return;
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if (cached == null) {
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ScaffoldMessenger.of(
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context,
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).showSnackBar(const SnackBar(content: Text('这笔账单尚未同步到本机，请稍后重试')));
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return;
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}
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final updated = await Navigator.of(context).push<TxItem>(
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MaterialPageRoute(
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builder: (_) =>
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TransactionEditPage(transaction: TxItem.fromJson(cached)),
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),
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);
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if (updated != null) TransactionEvents.notifyChanged();
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return;
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}
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if (kind != 'recognition_confirm' || !context.mounted) return;
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await CurrentLedgerStore.instance.ensureLoaded();
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final candidates = await ScreenshotChannel.drainRecognitionCandidates();
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if (!context.mounted) return;
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final requestedId = action['candidateId']?.toString();
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final candidate = candidates.where((item) {
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return item.state == 'pending_confirm' &&
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(requestedId == null || item.id == requestedId);
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}).firstOrNull;
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if (candidate == null) {
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ScaffoldMessenger.of(
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context,
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).showSnackBar(const SnackBar(content: Text('这条识别结果已处理或已过期')));
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return;
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}
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final confirmed = await _showConfirmation(context, candidate);
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if (confirmed != true) return;
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try {
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await _import(candidate);
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if (context.mounted) {
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ScaffoldMessenger.of(
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context,
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).showSnackBar(const SnackBar(content: Text('识别结果已入账')));
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}
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} catch (error) {
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if (context.mounted) {
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ScaffoldMessenger.of(
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context,
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).showSnackBar(SnackBar(content: Text(apiErrorMessage(error))));
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}
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}
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}
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static Future<TxItem> _import(RecognitionCandidate candidate) async {
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if (candidate.type != 'income' && candidate.type != 'expense') {
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throw StateError('识别结果缺少明确的收支类型');
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}
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final categories = await TxApi.categories(candidate.type);
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if (categories.isEmpty) throw StateError('当前账本没有可用分类');
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final category =
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categories
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.where((item) => item.name == candidate.categoryHint)
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.firstOrNull ??
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categories.where((item) => item.name == '其他').firstOrNull ??
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categories.first;
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final occurredUtc = validOccurredAtUtc(candidate.occurredAtEpochMs);
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final transaction = await TxApi.create(
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categoryId: category.id,
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type: candidate.type,
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amount: candidate.amount,
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note: candidate.merchant?.trim().isNotEmpty == true
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? candidate.merchant!.trim()
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: (candidate.note ?? '智能识别'),
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paymentMethod: candidate.appName,
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source: candidate.source,
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sourceText: candidate.sourceText,
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occurredAt: ShanghaiTime.toCivil(occurredUtc),
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clientRequestId: candidate.clientRequestId,
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);
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await ScreenshotChannel.acknowledgeRecognitionCandidate(
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candidate.id,
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'imported',
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transactionId: transaction.id,
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);
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TransactionEvents.notifyChanged();
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return transaction;
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}
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static DateTime validOccurredAtUtc(int epochMs, {DateTime? now}) {
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final current = (now ?? DateTime.now()).toUtc();
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final parsed = DateTime.fromMillisecondsSinceEpoch(epochMs, isUtc: true);
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final oldest = current.subtract(const Duration(days: 1));
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final newest = current.add(const Duration(minutes: 5));
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return parsed.isBefore(oldest) || parsed.isAfter(newest) ? current : parsed;
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}
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static Future<bool?> _showConfirmation(
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BuildContext context,
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RecognitionCandidate candidate,
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) {
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final palette = context.jz;
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return showModalBottomSheet<bool>(
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context: context,
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backgroundColor: Colors.transparent,
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builder: (sheetContext) => SafeArea(
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child: Container(
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padding: const EdgeInsets.fromLTRB(20, 0, 20, 20),
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decoration: BoxDecoration(
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color: palette.card,
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borderRadius: const BorderRadius.vertical(top: Radius.circular(24)),
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),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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const JzSheetHeader(
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title: '确认识别结果',
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subtitle: '信息来自本机解析，确认后才会写入账本',
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),
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const SizedBox(height: 14),
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Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: palette.background,
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borderRadius: BorderRadius.circular(16),
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border: Border.all(color: palette.line),
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),
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child: Row(
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children: [
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Container(
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width: 42,
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height: 42,
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decoration: BoxDecoration(
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color: candidate.type == 'income'
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? palette.primaryBackground
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: palette.expenseBackground,
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borderRadius: BorderRadius.circular(13),
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),
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child: Icon(
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candidate.type == 'income'
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? Icons.south_west_rounded
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: Icons.north_east_rounded,
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color: candidate.type == 'income'
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? AppTheme.primary
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: AppTheme.red,
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),
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),
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const SizedBox(width: 12),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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candidate.merchant ?? candidate.appName,
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style: TextStyle(
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color: palette.text,
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fontWeight: FontWeight.w700,
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),
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),
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const SizedBox(height: 4),
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Text(
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'${candidate.appName} · ${candidate.type == 'income' ? '收入' : '支出'}',
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style: TextStyle(
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color: palette.text2,
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fontSize: 12,
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),
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),
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],
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),
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),
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Text(
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'${candidate.type == 'income' ? '+' : '-'}¥${candidate.amount.toStringAsFixed(2)}',
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style: TextStyle(
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color: candidate.type == 'income'
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? AppTheme.primary
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: AppTheme.red,
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fontSize: 18,
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fontWeight: FontWeight.w800,
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),
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),
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],
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),
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),
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const SizedBox(height: 16),
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Row(
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children: [
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Expanded(
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child: JzActionButton(
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label: '稍后处理',
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secondary: true,
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onPressed: () => Navigator.pop(sheetContext, false),
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),
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),
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const SizedBox(width: 10),
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Expanded(
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child: JzActionButton(
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label: '确认入账',
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onPressed: () => Navigator.pop(sheetContext, true),
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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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),
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),
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);
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}
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}
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