Add ValidationByName and CompanyValidationByName.

app/Models/Validation/ModelValidationByName.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace App\Models\Validation;
+
+use App\Models\Validation\ValidationByNameInterface;
+use App\Models\Validation\ValidationStatus;
+use App\Models\Validation\Messages\BaseMessages;
+
+class ModelValidationByName
+{
+    protected static BaseMessages $messages;
+    protected static string $className;
+    protected string $name;
+
+    public function __construct(string $name, string $className, BaseMessages $messages)
+    {
+        if (!in_array('App\Models\Validation\ValidationByNameInterface', class_implements($className)))
+            throw new \RuntimeException("$className does not implement the ValidationByNameInterface interface.");
+
+        $this->name = $name;
+        static::$className = $className;
+        static::$messages = $messages;
+    }
+
+    public function getStatus()
+    {
+        if(!call_user_func([static::$className, 'isNameValid'], $this->name))
+            return ValidationStatus::INVALID_NAME;
+
+        if(!call_user_func([static::$className, 'isExistByName'], $this->name))
+            return ValidationStatus::NOT_FOUND;
+
+        return ValidationStatus::FOUND;
+    }
+
+    public function getMessageMap()
+    {
+        $status = $this->getStatus();
+
+        return [
+            $status->status() => static::$messages->getMessage($status)
+        ];
+    }
+
+    public function isValid()
+    {
+        return $this->getStatus()->isOk();
+    }
+}
+