PHP code example of kaivladimirv / laravel-specification-pattern

1. Go to this page and download the library: Download kaivladimirv/laravel-specification-pattern library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

kaivladimirv / laravel-specification-pattern example snippets

 bash
$ php artisan make:specification GreaterThanSpecification

 php


declare(strict_types=1);

namespace App\Specifications;

use Kaivladimirv\LaravelSpecificationPattern\AbstractSpecification

class GreaterThanSpecification extends AbstractSpecification
{
    protected function defineMessage(): string
    {
        // TODO: Implement defineMessage() method.    
    }

    protected function executeCheckIsSatisfiedBy(mixed $candidate): bool
    {
        return false;
    }
}

 diff


declare(strict_types=1);

namespace App\Specifications;

use Kaivladimirv\LaravelSpecificationPattern\AbstractSpecification

class GreaterThanSpecification extends AbstractSpecification
{
+    public function __construct(readonly private int|float $number)
+    {
+    }
+    
    protected function defineMessage(): string
    {
-        // TODO: Implement defineMessage() method.
+        return "Number must be greater than $this->number";    
    }

    protected function executeCheckIsSatisfiedBy(mixed $candidate): bool
    {
-        return false;
+        return $candidate > $this->number;
    }
}

 php
$greaterThan100Spec = new GreaterThanSpecification(100);

$greaterThan100Spec->isSatisfiedBy(200); // true
$greaterThan100Spec->isSatisfiedBy(99); // false

 diff


declare(strict_types=1);

namespace App\Specifications;

use Kaivladimirv\LaravelSpecificationPattern\AbstractSpecification

class GreaterThanSpecification extends AbstractSpecification
{
    public function __construct(readonly private int|float $number)
    {
    }
    
    protected function defineMessage(): string
    {
        return "Number must be greater than $this->number";    
    }

    protected function executeCheckIsSatisfiedBy(mixed $candidate): bool
    {
        return $candidate > $this->number;
    }
+    
+    protected function getExceptionClass(): string
+    {
+        return MyException::class;
+    }
}