Merge pull request #509 from lyskouski/NF-506

[#505] [NF] Calendar Start Day. Fix forecast chart

lib/charts/forecast_chart.dart

@@ -1,7 +1,9 @@
 // Copyright 2023 The terCAD team. All rights reserved.
 // Use of this source code is governed by a CC BY-NC-ND 4.0 license that can be found in the LICENSE file.
 
+import 'package:app_finance/_classes/herald/app_start_of_month.dart';
 import 'package:app_finance/_ext/build_context_ext.dart';
+import 'package:app_finance/_ext/date_time_ext.dart';
 import 'package:app_finance/charts/interface/chart_data.dart';
 import 'package:app_finance/charts/painter/forecast_chart_painter.dart';
 import 'package:app_finance/charts/painter/foreground_chart_painter.dart';
@@ -34,8 +36,9 @@ class ForecastChart extends StatelessWidget {
     final now = DateTime.now();
     final size = Size(width, height);
     final bgColor = context.colorScheme.onSurface;
-    final xMin = DateTime(now.year, now.month);
-    final xMax = DateTime(now.year, now.month + 1);
+    final startingDay = AppStartOfMonth.get();
+    final xMin = now.getStartingDay(startingDay).millisecondsSinceEpoch.toDouble();
+    final xMax = DateTime(now.year, now.month + 1).getStartingDay(startingDay).millisecondsSinceEpoch.toDouble();
     final bg = ForegroundChartPainter(
       size: size,
       color: bgColor,
@@ -46,8 +49,8 @@ class ForecastChart extends StatelessWidget {
       yArea: [80, 120],
       xType: DateTime,
       yType: Percentage,
-      xMin: xMin.millisecondsSinceEpoch.toDouble(),
-      xMax: xMax.millisecondsSinceEpoch.toDouble(),
+      xMin: xMin,
+      xMax: xMax,
     );
     return SizedBox(
       height: size.height,
@@ -59,8 +62,8 @@ class ForecastChart extends StatelessWidget {
           size: size,
           data: data,
           yMax: yMax * bg.yMax / 100,
-          xMin: xMin.millisecondsSinceEpoch.toDouble(),
-          xMax: xMax.millisecondsSinceEpoch.toDouble(),
+          xMin: xMin,
+          xMax: xMax,
         ),
         foregroundPainter: bg,
         willChange: false,

lib/pages/account/account_view_page.dart

@@ -124,7 +124,7 @@ class AccountViewPageState extends AbstractPageState<AccountViewPage> {
         bills: billList.fold(0.0, (v, e) => v + exchange.reform(e.details ?? 0.0, e.currency, account.currency)),
       );
       increment++;
-      curr = DateTime(now.year, now.month - increment, startingDay);
+      curr = DateTime(now.year, now.month - increment).getStartingDay(startingDay);
     }
     return IteratorController(data, transform: (v) => v);
   }

lib/pages/budget/budget_view_page.dart

@@ -134,7 +134,7 @@ class BudgetViewPageState extends AbstractPageState<BudgetViewPage> with TickerP
           break;
         }
         iteration++;
-        curr = DateTime(now.year, now.month - iteration, startingDay);
+        curr = DateTime(now.year, now.month - iteration).getStartingDay(startingDay);
         summary.details = 0.0;
         summary.color = null;
         summary.title = DateFormat.MMMM().format(curr);