78 lines
2.3 KiB
Dart
78 lines
2.3 KiB
Dart
import 'dart:async';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../../domain/entities/asset_display.dart';
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import '../../domain/repositories/trading_repository.dart';
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import '../../core/di/injection.dart';
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import 'trading_providers.dart';
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/// 我的资产显示 Provider (需要登录，使用 JWT token)
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final myAssetProvider = FutureProvider<AssetDisplay?>((ref) async {
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final repository = ref.watch(tradingRepositoryProvider);
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final result = await repository.getMyAsset();
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ref.keepAlive();
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final timer = Timer(const Duration(minutes: 2), () {
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ref.invalidateSelf();
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});
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ref.onDispose(() => timer.cancel());
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return result.fold(
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(failure) => throw Exception(failure.message),
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(asset) => asset,
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);
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});
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/// 指定账户资产显示 Provider (public API)
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final accountAssetProvider = FutureProvider.family<AssetDisplay?, String>(
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(ref, accountSequence) async {
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if (accountSequence.isEmpty) return null;
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final repository = ref.watch(tradingRepositoryProvider);
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final result = await repository.getAccountAsset(accountSequence);
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ref.keepAlive();
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final timer = Timer(const Duration(minutes: 2), () {
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ref.invalidateSelf();
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});
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ref.onDispose(() => timer.cancel());
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return result.fold(
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(failure) => throw Exception(failure.message),
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(asset) => asset,
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);
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},
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);
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/// 资产显示值计算器 - 用于实时显示资产估值
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/// displayAssetValue = (账户积分股 + 账户积分股 × 倍数) × 积分股价
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class AssetValueCalculator {
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final String shareBalance;
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final String burnMultiplier;
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final String currentPrice;
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AssetValueCalculator({
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required this.shareBalance,
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required this.burnMultiplier,
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required this.currentPrice,
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});
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/// 计算有效积分股 = 余额 × (1 + 倍数)
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double get effectiveShares {
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final balance = double.tryParse(shareBalance) ?? 0;
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final multiplier = double.tryParse(burnMultiplier) ?? 0;
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return balance * (1 + multiplier);
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}
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/// 计算资产显示值 = 有效积分股 × 价格
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double get displayValue {
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final price = double.tryParse(currentPrice) ?? 0;
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return effectiveShares * price;
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}
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/// 计算每秒增长值
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static double calculateGrowthPerSecond(String dailyAllocation) {
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final daily = double.tryParse(dailyAllocation) ?? 0;
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return daily / 24 / 60 / 60;
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}
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}
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