Refactor to use InformativeValidators instead of ModelValidation.

app/Models/City.php

@@ -7,10 +7,9 @@ use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 
-use App\Models\Validation\ValidationByNameInterface;
 use App\Models\Company;
 
-class City extends Model implements ValidationByNameInterface
+class City extends Model
 {
     use HasFactory;
 
@@ -64,16 +63,4 @@ class City extends Model implements ValidationByNameInterface
     {
         $this->companies()->detach($company_ids);
     }
-
-    public static function isExistByName(string $name): bool
-    {
-        $count = City::where('name', $name)->count();
-
-        return $count != 0;
-    }
-
-    public static function isNameValid(string $name): bool
-    {
-        return $name != '';
-    }
 }

app/Models/Company.php

@@ -7,9 +7,7 @@ use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 
-use App\Models\Validation\ValidationByNameInterface;
+class Company extends Model
-
-class Company extends Model implements ValidationByNameInterface
 {
     use HasFactory;
 
@@ -36,16 +34,4 @@ class Company extends Model implements ValidationByNameInterface
 
         return $count != 0;
     }
-
-    public static function isExistByName(string $name): bool
-    {
-        $count = Company::where('name', $name)->count();
-
-        return $count != 0;
-    }
-
-    public static function isNameValid(string $name): bool
-    {
-        return $name != '';
-    }
 }

app/Models/Item.php

@@ -7,9 +7,7 @@ use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 
-use App\Models\Validation\ValidationByNameInterface;
+class Item extends Model
-
-class Item extends Model implements ValidationByNameInterface
 {
     use HasFactory;
 
@@ -88,17 +86,5 @@ class Item extends Model implements ValidationByNameInterface
 
         return $its_company->id == $company->id;
     }
-
-    public static function isExistByName(string $name): bool
-    {
-        $count = Item::where('name', $name)->count();
-
-        return $count != 0;
-    }
-
-    public static function isNameValid(string $name): bool
-    {
-        return $name != '';
-    }
 }
 

app/Models/Validation/CityValidationByName.php

@@ -1,18 +0,0 @@
-<?php
-
-namespace App\Models\Validation;
-
-use App\Models\Validation\ModelValidationByName;
-use App\Models\Validation\Messages\CityMessagesFactory;
-
-class CityValidationByName extends ModelValidationByName
-{
-    public function __construct(string $name)
-    {
-        parent::__construct(
-            $name,
-            'App\Models\City',
-            (new CityMessagesFactory())->create(),
-        );
-    }
-}

app/Models/Validation/Messages/BaseMessages.php

@@ -1,25 +0,0 @@
-<?php
-
-namespace App\Models\Validation\Messages;
-
-use App\Models\Validation\ValidationStatus;
-
-class BaseMessages
-{
-    protected array $messages;
-
-    public function __construct($messages)
-    {
-        $this->messages = $messages;
-    }
-
-    public function getMessage($status): string
-    {
-        return match($status)
-        {
-            ValidationStatus::FOUND => $this->messages['found'],
-            ValidationStatus::NOT_FOUND => $this->messages['not_found'],
-            ValidationStatus::INVALID_NAME => $this->messages['invalid_name'],
-        };
-    }
-}

app/Models/Validation/Messages/CityMessagesFactory.php

@@ -1,20 +0,0 @@
-<?php
-
-namespace App\Models\Validation\Messages;
-
-use App\Models\Validation\Messages\BaseMessages;
-
-class CityMessagesFactory
-{
-    protected array $messages = [
-        'found' => 'A city with the name is valid.',
-        'not_found' => 'A city with the name does not exist!!!',
-        'invalid_name' => 'The city name is empty, please, write the name!!!',
-    ];
-
-    public function create()
-    {
-        return new BaseMessages($this->messages);
-    }
-}
-

app/Models/Validation/ModelValidationByName.php

@@ -1,50 +0,0 @@
-<?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();
-    }
-}
-

app/Models/Validation/ValidationByNameInterface.php

@@ -1,10 +0,0 @@
-<?php
-
-namespace App\Models\Validation;
-
-interface ValidationByNameInterface {
-    public static function isNameValid(string $name);
-
-    public static function isExistByName(string $name);
-}
-

app/Models/Validation/ValidationStatus.php

@@ -1,40 +0,0 @@
-<?php
-
-namespace App\Models\Validation;
-
-enum ValidationStatus
-{
-    case FOUND;
-    case NOT_FOUND;
-    case INVALID_NAME;
-
-    public function value(): string
-    {
-        return match($this)
-        {
-            ValidationStatus::FOUND => 'found',
-            ValidationStatus::NOT_FOUND => 'not_found',
-            ValidationStatus::INVALID_NAME => 'invalid_name',
-        };
-    }
-
-    public function status(): string
-    {
-        return match($this)
-        {
-            ValidationStatus::FOUND => 'ok',
-            ValidationStatus::NOT_FOUND => 'error',
-            ValidationStatus::INVALID_NAME => 'error',
-        };
-    }
-
-    public function isError(): bool
-    {
-        return $this->status() == 'error';
-    }
-
-    public function isOk(): bool
-    {
-        return $this->status() == 'ok';
-    }
-}

tests/Feature/Validation/CityValidationByNameTest.php

@@ -1,45 +0,0 @@
-<?php
-
-namespace Tests\Feature;
-
-use Tests\TestCase;
-
-use App\Models\Validation\CityValidationByName;
-
-class CityValidationByNameTest extends TestCase
-{
-    public function dataProvider() {
-        return [
-            'Invalid Case' => [
-                'name' => '',
-                'key' => 'error',
-                'message' =>  'The city name is empty, please, write the name!!!',
-                'isValid' =>  false,
-            ],
-            'Not Found Case' => [
-                'name' => '404 City',
-                'key' => 'error',
-                'message' =>  'A city with the name does not exist!!!',
-                'isValid' =>  false,
-            ],
-            'Found Case' => [
-                'name' => 'testCity',
-                'key' => 'ok',
-                'message' =>  'A city with the name is valid.',
-                'isValid' =>  true,
-            ]
-        ];
-    }
-
-    /**
-     * @dataProvider dataProvider
-     */
-    public function testCityValidationWithName(string $name, string $key, string $message, bool $isValid): void
-    {
-        $validator = new CityValidationByName($name);
-        $json = $validator->getMessageMap();
-
-        $this->assertEquals($json[$key], $message);
-        $this->assertEquals($validator->isValid(), $isValid);
-    }
-}