elCaribe app - customization and branding

news-app/lib/utils/validators.dart

@@ -0,0 +1,119 @@
+import 'package:dio/dio.dart';
+import 'package:flutter/material.dart';
+import 'package:news/utils/uiUtils.dart';
+
+class Validators {
+  //name validation check
+  static String? nameValidation(String value, BuildContext context) {
+    if (value.isEmpty) {
+      return UiUtils.getTranslatedLabel(context, 'nameRequired');
+    }
+    if (value.length <= 1) {
+      return UiUtils.getTranslatedLabel(context, 'nameLength');
+    }
+    return null;
+  }
+
+//email validation check
+  static String? emailValidation(String value, BuildContext context) {
+    if (value.isEmpty) {
+      return UiUtils.getTranslatedLabel(context, 'emailRequired');
+    } else if (!RegExp(r"[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)"
+            r"*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+"
+            r"[a-z0-9](?:[a-z0-9-]*[a-z0-9])?")
+        .hasMatch(value)) {
+      return UiUtils.getTranslatedLabel(context, 'emailValid');
+    } else {
+      return null;
+    }
+  }
+
+//password validation check
+  static String? passValidation(String value, BuildContext context) {
+    if (value.isEmpty) {
+      return UiUtils.getTranslatedLabel(context, 'pwdRequired');
+    } else if (value.length <= 5) {
+      return UiUtils.getTranslatedLabel(context, 'pwdLength');
+    } else {
+      return null;
+    }
+  }
+
+  static String? mobValidation(String value, BuildContext context) {
+    if (value.isEmpty) {
+      return UiUtils.getTranslatedLabel(context, 'mblRequired');
+    }
+    if (value.length < 9 || value.length > 16) {
+      return UiUtils.getTranslatedLabel(context, 'mblValid');
+    }
+    return null;
+  }
+
+  static String? titleValidation(String value, BuildContext context) {
+    if (value.isEmpty) {
+      return UiUtils.getTranslatedLabel(context, 'newsTitleReqLbl');
+    } else if (value.length < 2) {
+      return UiUtils.getTranslatedLabel(context, 'plzAddValidTitleLbl');
+    }
+    return null;
+  }
+
+  static String? youtubeUrlValidation(String value, BuildContext context) {
+    if (value.isEmpty) {
+      return UiUtils.getTranslatedLabel(context, 'urlReqLbl');
+    } else {
+      bool isValidURL = RegExp(r'^(((?:https?:)?\/\/)?((?:www|m)\.)?((?:youtube\.com|youtu.be))(\/(?:[\w\-]+\?v=|embed\/|v\/)?)([\w\-]+)(\S+)?)').hasMatch(value);
+      if (!isValidURL) return UiUtils.getTranslatedLabel(context, 'plzValidUrlLbl');
+    }
+
+    return null;
+  }
+
+  static String? urlValidation(String value, BuildContext context) {
+    bool? test;
+    if (value.isEmpty) {
+      return UiUtils.getTranslatedLabel(context, 'urlReqLbl');
+    } else {
+      validUrl(value).then((result) {
+        test = result;
+        if (test!) {
+          return UiUtils.getTranslatedLabel(context, 'plzValidUrlLbl');
+        }
+      });
+    }
+
+    return null;
+  }
+
+  static Future<bool> validUrl(String value) async {
+    await Dio().head(value).then((value) {
+      return (value.statusCode == 200) ? false : true;
+    });
+    return false;
+  }
+
+  //name validation check
+  static String? emptyFieldValidation(String value, String hintText, BuildContext context) {
+    if (value.isEmpty) {
+      switch (hintText) {
+        case 'metaTitleLbl':
+          return UiUtils.getTranslatedLabel(context, 'metaTitleRequired');
+        case 'metaDescriptionLbl':
+          return UiUtils.getTranslatedLabel(context, 'metaDescriptionRequired');
+        case 'metaKeywordLbl':
+          return UiUtils.getTranslatedLabel(context, 'metaKeywordRequired');
+      }
+    }
+    return null;
+  }
+
+  static String? slugValidation(String value, BuildContext context) {
+    if (value.isEmpty) {
+      return UiUtils.getTranslatedLabel(context, 'slugRequired');
+    } else if (!RegExp("^[a-z0-9]+(?:-[a-z0-9]+)*").hasMatch(value)) {
+      return UiUtils.getTranslatedLabel(context, 'slugValid');
+    } else {
+      return null;
+    }
+  }
+}