Add CompanyInformativeValidatorByNameFactory.

app/Models/Validation/Messages/Factories/CompanyInformativeValidatorByNameFactory.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace App\Models\Validation\Messages\Factories;
+
+use App\Models\Validation\Messages\Factories\InformativeValidatorFactory;
+use App\Models\Validation\Messages\InformativeValidator;
+
+use App\Models\Validation\Messages\OkInformativeValidator;
+use App\Models\Validation\Messages\NextInformativeValidator;
+use App\Models\Validation\Validators\EmptyNameValidator;
+use App\Models\Validation\Validators\CompanyValidatorByName;
+
+class CompanyInformativeValidatorByNameFactory extends InformativeValidatorFactory
+{
+    protected array $messages;
+    protected string $name;
+
+    public function __construct(string $name)
+    {
+        $this->messages = [
+            'found' => 'A company with the name is valid.',
+            'not_found' => 'A company with the name does not exist!!!',
+            'invalid_name' => 'The company name is empty, please, write the name!!!',
+        ];
+
+        $this->name = $name;
+    }
+
+    function create(): InformativeValidator
+    {
+        $okValidator = new OkInformativeValidator($this->messages['found']);
+
+        $nameValidator = new NextInformativeValidator(
+            $this->messages['not_found'],
+            new CompanyValidatorByName($this->name, $okValidator),
+            $okValidator
+        );
+
+        return new NextInformativeValidator(
+            $this->messages['invalid_name'],
+            new EmptyNameValidator($this->name, $nameValidator),
+            $nameValidator
+        );
+    }
+}
+

app/Models/Validation/Validators/CompanyValidatorByName.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Models\Validation\Validators;
+
+use App\Models\Validation\Validators\Validator;
+use App\Models\Company;
+
+class CompanyValidatorByName extends Validator {
+    private string $name;
+    protected Validator $nextValidator;
+
+    public function __construct(string $name, Validator $nextValidator)
+    {
+        $this->name = $name;
+        $this->nextValidator = $nextValidator;
+    }
+
+    public function isCurrentValid(): bool
+    {
+        $count = Company::where('name', $this->name)->count();
+
+        return $count != 0;
+    }
+}
+

tests/Feature/Validation/Factories/CompanyInformativeValidatorByNameFactoryTest.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace Tests\Feature;
+
+use Tests\TestCase;
+
+use App\Models\Validation\Messages\Factories\CompanyInformativeValidatorByNameFactory;
+
+class CompanyInformativeValidatorByNameFactoryTest extends TestCase
+{
+    public function dataProvider() {
+        return [
+            'Found Case' => [
+                'name' => 'testCompany',
+                'key' => 'ok',
+                'message' => 'A company with the name is valid.',
+                'isValid' => true,
+            ],
+            'Not Found Case' => [
+                'name' => '404 Company',
+                'key' => 'error',
+                'message' => 'A company with the name does not exist!!!',
+                'isValid' => false,
+            ],
+            'Invalid Case' => [
+                'name' => '',
+                'key' => 'error',
+                'message' => 'The company name is empty, please, write the name!!!',
+                'isValid' => false,
+            ],
+        ];
+    }
+
+    /**
+     * @dataProvider dataProvider
+     */
+    public function testValidatorFactory(string $name, string $key, string $message, bool $isValid): void
+    {
+        $factory = new CompanyInformativeValidatorByNameFactory($name);
+        $validator = $factory->create();
+
+        $this->assertEquals($validator->getMessage(), $message);
+        $this->assertEquals($validator->getOkStatus(), [$key => $message]);
+        $this->assertEquals($validator->isValid(), $isValid);
+    }
+}