Resolve "Improve / clean some code"

Closes #56 (closed)

lib/ui/widgets/abstracts/custom_chart.dart

+import 'package:easy_localization/easy_localization.dart';
+import 'package:fl_chart/fl_chart.dart';
+import 'package:flutter/material.dart';
+
+import 'package:scrobbles/config/app_colors.dart';
+
+class CustomChart extends StatelessWidget {
+  const CustomChart({super.key});
+
+  final double chartHeight = 150.0;
+  final double verticalTicksInterval = 10;
+  final String verticalAxisTitleSuffix = '';
+  final double titleFontSize = 9;
+
+  @override
+  Widget build(BuildContext context) {
+    return SizedBox(
+      height: this.chartHeight,
+    );
+  }
+
+  double getNextRoundNumber(double number, double scale) {
+    return scale * ((number ~/ scale).toInt() + 1);
+  }
+
+  Color getColorFromIndex(int index) {
+    const List<int> hexValues = [
+      0x8dd3c7,
+      0xffffb3,
+      0xbebada,
+      0xfb8072,
+      0x80b1d3,
+      0xfdb462,
+      0xb3de69,
+      0xfccde5,
+      0xd9d9d9,
+      0xbc80bd,
+      0xccebc5,
+      0xffed6f,
+    ];
+
+    return Color(hexValues[index % hexValues.length] + 0xff000000);
+  }
+
+  String getDayShortName(int dayIndex) {
+    switch (dayIndex) {
+      case 1:
+        return 'MON';
+      case 2:
+        return 'TUE';
+      case 3:
+        return 'WED';
+      case 4:
+        return 'THU';
+      case 5:
+        return 'FRI';
+      case 6:
+        return 'SAT';
+      case 7:
+        return 'SUN';
+      default:
+    }
+
+    return '';
+  }
+
+  FlBorderData get noBorderData {
+    return FlBorderData(
+      show: false,
+    );
+  }
+
+  FlBorderData get simpleBorderData {
+    return FlBorderData(
+      show: true,
+      border: Border.all(
+        color: AppColors.borderColor,
+        width: 2,
+      ),
+    );
+  }
+
+  FlGridData get noGridData {
+    return const FlGridData(
+      show: false,
+    );
+  }
+
+  FlGridData get horizontalGridData {
+    return const FlGridData(
+      show: true,
+      drawHorizontalLine: true,
+      drawVerticalLine: false,
+    );
+  }
+
+  FlTitlesData getTitlesData() {
+    return FlTitlesData(
+      show: false,
+    );
+  }
+
+  Widget getHorizontalTitlesWidget(double value, TitleMeta meta) {
+    return Text('');
+  }
+
+  Widget getHorizontalTitlesWidgetWithDate(double value, TitleMeta meta) {
+    final DateFormat formatter = DateFormat('dd/MM');
+
+    final DateTime date = DateTime.fromMillisecondsSinceEpoch(value.toInt());
+    final String text = formatter.format(date);
+
+    return SideTitleWidget(
+      axisSide: meta.axisSide,
+      space: 4,
+      child: Padding(
+        padding: EdgeInsets.only(right: 10),
+        child: RotationTransition(
+          turns: new AlwaysStoppedAnimation(-30 / 360),
+          child: Text(
+            text,
+            style: TextStyle(
+              color: AppColors.mainTextColor1,
+              fontSize: this.titleFontSize,
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+
+  Widget getHorizontalTitlesWidgetWithDay(double value, TitleMeta meta) {
+    final String dayShortName = getDayShortName(value.toInt());
+
+    return SideTitleWidget(
+      axisSide: meta.axisSide,
+      space: 2,
+      child: Text(
+        tr(dayShortName),
+        style: const TextStyle(
+          color: AppColors.mainTextColor1,
+          fontSize: 11,
+        ),
+      ),
+    );
+  }
+
+  Widget getHorizontalTitlesWidgetWithHour(double value, TitleMeta meta) {
+    String text = '';
+
+    if (value % 4 == 0 || value == 23) {
+      text = value.toInt().toString().padLeft(2, '0');
+    }
+
+    return SideTitleWidget(
+      axisSide: meta.axisSide,
+      space: 2,
+      child: Text(
+        text,
+        style: TextStyle(
+          color: AppColors.mainTextColor1,
+          fontSize: this.titleFontSize,
+        ),
+      ),
+    );
+  }
+
+  Widget getVerticalTitlesSpacerWidget(double value, TitleMeta meta) {
+    return SideTitleWidget(
+      axisSide: meta.axisSide,
+      space: 4,
+      child: Text(''),
+    );
+  }
+
+  Widget getVerticalTitlesWidget(double value, TitleMeta meta) {
+    String suffix =
+        this.verticalAxisTitleSuffix != '' ? ' ' + this.verticalAxisTitleSuffix : '';
+
+    return SideTitleWidget(
+      axisSide: meta.axisSide,
+      space: 4,
+      child: Text(
+        value.toInt().toString() + suffix,
+        style: TextStyle(
+          color: AppColors.mainTextColor1,
+          fontSize: this.titleFontSize,
+        ),
+      ),
+    );
+  }
+}