improvements

lib/core/viewModels/AlHabibMedicalService/H2O_view_model.dart

@@ -9,6 +9,7 @@ import 'package:diplomaticquarterapp/core/viewModels/base_view_model.dart';
 import 'package:charts_flutter/flutter.dart' as charts;
 import 'package:diplomaticquarterapp/uitl/app_toast.dart';
 import '../../../locator.dart';
+import 'dart:math' as math;
 
 class H2OViewModel extends BaseViewModel {
   H2OService _h2OService = locator<H2OService>();
@@ -91,13 +92,21 @@ class H2OViewModel extends BaseViewModel {
     _h2OService.userProgressForWeekDataList.forEach((UserProgressForWeekDataModel data) {
       globalData.add(new ChartSeries(data.dayName, data.percentageConsumed));
     });
+    Iterable<int> minMaxList = globalData.map((e) => e.x).toList();
+    int maxValue = minMaxList.isEmpty ? 0 : minMaxList.reduce(math.max);
+    int minValue = minMaxList.isEmpty ? 0 : minMaxList.reduce(math.min);
+
+    if (maxValue == 0 && minValue == 0) {
+      maxValue = 1;
+      minValue = -1;
+    }
     return [
       new charts.Series<ChartSeries, String>(
         id: 'Global Revenue',
         domainFn: (ChartSeries sales, _) => sales.y,
         measureFn: (ChartSeries sales, _) => sales.x,
-        measureLowerBoundFn: (ChartSeries sales, _) => sales.x - 1,
-        measureUpperBoundFn: (ChartSeries sales, _) => sales.x + 1,
+        measureLowerBoundFn: (ChartSeries sales, _) => minValue,
+        measureUpperBoundFn: (ChartSeries sales, _) => maxValue,
         data: globalData,
       ),
     ];

lib/pages/AlHabibMedicalService/h2o/today_page.dart

@@ -46,7 +46,7 @@ class TodayPage extends StatelessWidget {
                         future: readPrefs(),
                         builder: (context, data) {
                           var isUnitML = true;
-                          var unit;
+                          String unit;
                           if (data.connectionState == ConnectionState.done) {
                             isUnitML = data.data;
                           }
@@ -55,6 +55,7 @@ class TodayPage extends StatelessWidget {
                           } else {
                             unit = TranslationBase.of(context).l;
                           }
+                          unit = unit.toLowerCase();
                           var totalH2O = model?.userProgressData?.quantityLimit ?? 0.0;
                           var consumedH2O = model?.userProgressData?.quantityConsumed ?? 0.0;
                           if (!isUnitML) {