Line data    Source code

       1             : // Copyright 2023 The terCAD team. All rights reserved.
       2             : // Use of this source code is governed by a CC BY-NC-ND 4.0 license that can be found in the LICENSE file.
       3             : 
       4             : import 'package:app_finance/_classes/herald/app_design.dart';
       5             : import 'package:app_finance/_classes/herald/app_locale.dart';
       6             : import 'package:app_finance/_classes/storage/app_data.dart';
       7             : import 'package:app_finance/_classes/structure/account_app_data.dart';
       8             : import 'package:app_finance/_classes/structure/currency/exchange.dart';
       9             : import 'package:app_finance/_configs/theme_helper.dart';
      10             : import 'package:app_finance/_ext/build_context_ext.dart';
      11             : import 'package:app_finance/charts/bar_vertical_single.dart';
      12             : import 'package:app_finance/charts/interface/chart_value.dart';
      13             : import 'package:app_finance/charts/pie_radius_chart.dart';
      14             : import 'package:app_finance/components/widgets/account_flow_chart.dart';
      15             : import 'package:app_finance/components/widgets/account_health_chart.dart';
      16             : import 'package:app_finance/design/generic/text_widget.dart';
      17             : import 'package:app_finance/design/wrapper/row_widget.dart';
      18             : import 'package:app_finance/design/wrapper/table_widget.dart';
      19             : import 'package:flutter/material.dart';
      20             : import 'package:intl/intl.dart';
      21             : 
      22             : class AccountTab extends StatelessWidget {
      23             :   final AppData store;
      24             :   final double? width;
      25             : 
      26           0 :   const AccountTab({
      27             :     super.key,
      28             :     required this.store,
      29             :     this.width,
      30             :   });
      31             : 
      32           0 :   List<ChartValue> _getCurrencyDistribution(List<AccountAppData> accounts) {
      33           0 :     final exchange = Exchange(store: store);
      34           0 :     final result = <String, ChartValue>{};
      35           0 :     for (int i = 0; i < accounts.length; i++) {
      36           0 :       final code = accounts[i].currency?.code ?? '?';
      37           0 :       final value = exchange.reform(accounts[i].details, accounts[i].currency, Exchange.defaultCurrency);
      38           0 :       if (!result.containsKey(code)) {
      39           0 :         result[code] = ChartValue(0, color: accounts[i].color ?? Colors.grey, tooltip: code);
      40             :       }
      41           0 :       result[code]!.value += value;
      42             :     }
      43           0 :     final scope = result.values.toList();
      44           0 :     scope.sort((a, b) => b.value.compareTo(a.value));
      45             :     return scope;
      46             :   }
      47             : 
      48           0 :   List<List<Widget>> _generateCurrencyTable(List<ChartValue> data) {
      49           0 :     final formatter = NumberFormat.compact();
      50           0 :     final max = data.fold(0.0, (v, o) => v + o.value.abs());
      51           0 :     final List<List<Widget>> result = [
      52           0 :       [
      53             :         const Text(''),
      54           0 :         TextWidget(AppLocale.labels.currencyShort),
      55           0 :         Align(
      56             :           alignment: Alignment.centerRight,
      57           0 :           child: TextWidget(AppLocale.labels.currencyIn(Exchange.defaultCurrency?.code ?? '?')),
      58             :         ),
      59           0 :         Align(alignment: Alignment.centerRight, child: TextWidget(AppLocale.labels.currencyDistribution)),
      60             :       ]
      61             :     ];
      62           0 :     for (int i = 0; i < data.length; i++) {
      63           0 :       final grade = data[i].value > 0 ? 100 * data[i].value / max : 0.0;
      64           0 :       result.add([
      65           0 :         BarVerticalSingle(color: data[i].color, value: 1, height: 6),
      66           0 :         TextWidget(data[i].tooltip),
      67           0 :         Align(alignment: Alignment.centerRight, child: TextWidget(formatter.format(data[i].value))),
      68           0 :         Align(alignment: Alignment.centerRight, child: TextWidget('${grade.toStringAsFixed(2)}%')),
      69             :       ]);
      70             :     }
      71             :     return result;
      72             :   }
      73             : 
      74           0 :   @override
      75             :   Widget build(BuildContext context) {
      76           0 :     double indent = ThemeHelper.getIndent();
      77           0 :     double width = this.width ?? ThemeHelper.getWidth(context, 8);
      78           0 :     double pieWidth = width > 600 ? 280 : width * 0.4;
      79           0 :     final accountList = store.getList(AppDataType.accounts).cast<AccountAppData>();
      80           0 :     final currency = _getCurrencyDistribution(accountList);
      81           0 :     return SingleChildScrollView(
      82           0 :       child: Padding(
      83           0 :         padding: this.width != null ? EdgeInsets.zero : EdgeInsets.all(indent * 2),
      84           0 :         child: Column(
      85           0 :           crossAxisAlignment: AppDesign.getAlignment(),
      86           0 :           children: [
      87             :             const AccountHealthChart(),
      88             :             ThemeHelper.hIndent2x,
      89             :             const AccountFlowChart(),
      90             :             ThemeHelper.hIndent3x,
      91           0 :             RowWidget(
      92             :               maxWidth: width,
      93             :               indent: indent,
      94           0 :               chunk: [null, pieWidth],
      95           0 :               children: [
      96           0 :                 [
      97           0 :                   TableWidget(
      98           0 :                     shadowColor: context.colorScheme.onSurface.withOpacity(0.1),
      99           0 :                     width: width - pieWidth - 2 * indent,
     100             :                     chunk: const [8, 34, null, null],
     101           0 :                     data: _generateCurrencyTable(currency),
     102             :                   ),
     103             :                 ],
     104           0 :                 [
     105           0 :                   PieRadiusChart(
     106             :                     data: currency,
     107             :                     width: pieWidth,
     108             :                   ),
     109             :                 ]
     110             :               ],
     111             :             ),
     112             :             ThemeHelper.formEndBox,
     113             :           ],
     114             :         ),
     115             :       ),
     116             :     );
     117             :   }
     118             : }