default varchar max length validation

application/Espo/Classes/FieldValidators/TextType.php

@@ -0,0 +1,63 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM - Open Source CRM application.
+ * Copyright (C) 2014-2022 Yurii Kuznietsov, Taras Machyshyn, Oleksii Avramenko
+ * Website: https://www.espocrm.com
+ *
+ * EspoCRM is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * EspoCRM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with EspoCRM. If not, see http://www.gnu.org/licenses/.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Classes\FieldValidators;
+
+use Espo\ORM\Entity;
+
+class TextType
+{
+    public function checkRequired(Entity $entity, string $field): bool
+    {
+        return $this->isNotEmpty($entity, $field);
+    }
+
+    public function checkMaxLength(Entity $entity, string $field, int $validationValue): bool
+    {
+        if (!$this->isNotEmpty($entity, $field)) {
+            return true;
+        }
+
+        $value = $entity->get($field);
+
+        if (mb_strlen($value) > $validationValue) {
+            return false;
+        }
+
+        return true;
+    }
+
+    protected function isNotEmpty(Entity $entity, string $field): bool
+    {
+        return
+            $entity->has($field) &&
+            $entity->get($field) !== '' &&
+            $entity->get($field) !== null;
+    }
+}

application/Espo/Classes/FieldValidators/UrlType.php

@@ -49,7 +49,7 @@ class UrlType
         return $this->varcharType->checkRequired($entity, $field);
     }
 
-    public function checkMaxLength(Entity $entity, string $field, int $validationValue): bool
+    public function checkMaxLength(Entity $entity, string $field, ?int $validationValue): bool
     {
         return $this->varcharType->checkMaxLength($entity, $field, $validationValue);
     }

application/Espo/Classes/FieldValidators/VarcharType.php

@@ -36,6 +36,8 @@ class VarcharType
 {
     private Metadata $metadata;
 
+    private const DEFAULT_MAX_LENGTH = 255;
+
     public function __construct(Metadata $metadata)
     {
         $this->metadata = $metadata;
@@ -46,14 +48,18 @@ class VarcharType
         return $this->isNotEmpty($entity, $field);
     }
 
-    public function checkMaxLength(Entity $entity, string $field, int $validationValue): bool
+    public function checkMaxLength(Entity $entity, string $field, ?int $validationValue): bool
     {
-        if ($this->isNotEmpty($entity, $field)) {
-            $value = $entity->get($field);
+        if (!$this->isNotEmpty($entity, $field)) {
+            return true;
+        }
 
-            if (mb_strlen($value) > $validationValue) {
-                return false;
-            }
+        $value = $entity->get($field);
+
+        $maxLength = $validationValue ?? self::DEFAULT_MAX_LENGTH;
+
+        if (mb_strlen($value) > $maxLength) {
+            return false;
         }
 
         return true;

application/Espo/Resources/metadata/fields/text.json

@@ -50,7 +50,6 @@
         "required",
         "maxLength"
     ],
-    "validatorClassName": "Espo\\Classes\\FieldValidators\\VarcharType",
     "filter": true,
     "personalData": true,
     "textFilter": true,

application/Espo/Resources/metadata/fields/url.json

@@ -33,6 +33,7 @@
         "valid"
     ],
     "mandatoryValidationList": [
+        "maxLength",
         "valid"
     ],
     "filter": true,

application/Espo/Resources/metadata/fields/varchar.json

@@ -52,6 +52,9 @@
         "maxLength",
         "pattern"
     ],
+    "mandatoryValidationList": [
+        "maxLength"
+    ],
     "filter": true,
     "personalData": true,
     "textFilter": true,