Added working edit transaction

lib/global/utils.dart

@@ -1,5 +1,8 @@
-import 'dart:ui';
+import 'dart:math';
 
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:helpers/helpers/print.dart';
 import 'package:intl/intl.dart';
 
 String formatDate(DateTime time) {
@@ -8,10 +11,62 @@ String formatDate(DateTime time) {
 
 DateTime dateFromJson(int value) => DateTime.fromMillisecondsSinceEpoch(value);
 
-int dateToJson(DateTime? value) =>
-    value == null ? 0 : value.millisecondsSinceEpoch;
+int? dateToJson(DateTime? value) => value?.millisecondsSinceEpoch;
+
+bool boolFromJson(int value) => value == 1;
+
+int boolToJson(bool hide) => hide ? 1 : 0;
 
 String colorToJson(Color color) =>
     color.toString().split('(0x')[1].split(')')[0];
 
 Color colorFromJson(String hex) => Color(int.parse(hex, radix: 16));
+
+String? optionalColorToJson(Color? optionalColor) => optionalColor == null
+    ? null
+    : optionalColor.toString().split('(0x')[1].split(')')[0];
+
+Color? optionalColorFromJson(String? hex) =>
+    hex == null ? null : Color(int.parse(hex, radix: 16));
+
+Brightness getBrightness(Color color) =>
+    ThemeData.estimateBrightnessForColor(color);
+
+List<Color> generateColorList() {
+  List<Color> colors = [];
+  for (int i = 100; i <= 255; i += 30) {
+    // Red value variations
+    for (int j = 100; j <= 255; j += 30) {
+      // Green value variations
+      for (int k = 100; k <= 255; k += 30) {
+        // Blue value variations
+        final alpha = Random().nextInt(256) + 50 % 255;
+        colors.add(Color.fromARGB(alpha, i, j, k));
+      }
+    }
+  }
+  colors.shuffle();
+  return colors;
+}
+
+extension MonetaryExtension on double {
+  String currency() {
+    final numStr = toStringAsFixed(2);
+    final pieces = numStr.split(".");
+    if (pieces.length == 1) {
+      return "\$${pieces.first}.00";
+    } else {
+      if (pieces.length > 2) {
+        printBlue(pieces);
+      }
+      return '\$${pieces[0]}.${pieces[1].padRight(2, "0")}';
+    }
+  }
+}
+
+void setDevicePortraitOrientation() {
+  SystemChrome.setPreferredOrientations([
+    DeviceOrientation.portraitUp,
+    DeviceOrientation.portraitDown,
+  ]);
+}