Init core module

core/lib/presentation/extensions/color_extension.dart

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+import 'dart:ui' show Color;
+
+import 'package:flutter/material.dart';
+
+extension AppColor on Color {
+  static const primaryColor = Color(0xFF837DFF);
+  static const primaryDarkColor = Color(0xFF1C1C1C);
+  static const primaryLightColor = Color(0xFFFFFFFF);
+  static const baseTextColor = Color(0xFF7E869B);
+  static const textFieldTextColor = Color(0xFF7E869B);
+  static const textFieldLabelColor = Color(0xFF7E869B);
+  static const textFieldHintColor = Color(0xFF757575);
+  static const textFieldBorderColor = Color(0xfff2f1fd);
+  static const textFieldFocusedBorderColor = Color(0xFF837DFF);
+  static const textFieldErrorBorderColor = Color(0xffFF5858);
+  static const buttonColor = Color(0xFF837DFF);
+  static const appColor = Color(0xFF3840F7);
+  static const nameUserColor = Color(0xFF182952);
+  static const emailUserColor = Color(0xFF7E869B);
+  static const userInformationBackgroundColor = Color(0xFFF5F5F7);
+  static const searchBorderColor = Color(0xFFEAEAEA);
+  static const searchHintTextColor = Color(0xFF7E869B);
+  static const mailboxSelectedBackgroundColor = Color(0xFFE6E5FF);
+  static const mailboxBackgroundColor = Color(0xFFFFFFFF);
+  static const mailboxSelectedTextColor = Color(0xFF3840F7);
+  static const mailboxTextColor = Color(0xFF182952);
+  static const mailboxSelectedTextNumberColor = Color(0xFF182952);
+  static const mailboxTextNumberColor = Color(0xFF837DFF);
+  static const mailboxSelectedIconColor = Color(0xFF3840F7);
+  static const mailboxIconColor = Color(0xFF7E869B);
+  static const storageBackgroundColor = Color(0xFFF5F5F7);
+  static const storageTitleColor = Color(0xFF7E869B);
+  static const storageMaxSizeColor = Color(0xFF101D43);
+  static const storageUseSizeColor = Color(0xFF2D0CFF);
+  static const myFolderTitleColor = Color(0xFF7E869B);
+}

core/lib/presentation/extensions/list_extensions.dart

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+import 'package:built_collection/built_collection.dart';
+import 'package:dartz/dartz.dart';
+
+extension ListExtensions<T> on List<T> {
+  Tuple2<List<T>, List<T>> split(bool test(T element)) {
+    final validBuilder = ListBuilder<T>();
+    final invalidBuilder = ListBuilder<T>();
+    forEach((element) {
+      if (test(element)) {
+        validBuilder.add(element);
+      } else {
+        invalidBuilder.add(element);
+      }
+    });
+    return Tuple2(
+      validBuilder.build().toList(),
+      validBuilder.build().toList());
+  }
+}

core/lib/presentation/extensions/url_extension.dart

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+import 'package:flutter/foundation.dart';
+
+extension URLExtension on String {
+  static final String prefixUrlHttps = 'https://';
+  static final String prefixUrlHttp = 'http://';
+
+  String formatURLValid() {
+    if (startsWith(prefixUrlHttps)) {
+      return this;
+    } else if (startsWith(prefixUrlHttp)) {
+      return kReleaseMode ? replaceAll(prefixUrlHttp, prefixUrlHttps) : this;
+    } else {
+      return '$prefixUrlHttps${this}';
+    }
+  }
+}