Rules

ตัวอย่าง Code ในการทำ Validation โดยใช้ Rules

🐶 Email Private Rule

EmailPrivateRule.php

<?php

namespace App\Rules;

use Closure;
use Illuminate\Contracts\Validation\ValidationRule;

class EmailPrivateRule implements ValidationRule
{
    /**
     * Run the validation rule.
     *
     * @param  \Closure(string): \Illuminate\Translation\PotentiallyTranslatedString  $fail
     */
    public function validate(string $attribute, mixed $value, Closure $fail): void
    {
        $domains = [
            'nida.ac.th',
            'stu.nida.ac.th',
            'guest.nida.ac.th',
        ];

        $email = substr(strrchr($value, "@"), 1);

        if (!in_array($email, $domains)) {
            $fail('The :attribute must be a private email domain.');
        }
    }
}

🐺 Email Public Rule

EmailPublicRule.php

<?php

namespace App\Rules;

use Closure;
use Illuminate\Contracts\Validation\ValidationRule;

class EmailPublicRule implements ValidationRule
{
    /**
     * Run the validation rule.
     *
     * @param  \Closure(string): \Illuminate\Translation\PotentiallyTranslatedString  $fail
     */
    public function validate(string $attribute, mixed $value, Closure $fail): void
    {
        $domains = [
            'gmail.com',
            'yahoo.com',
            'hotmail.com',
            'outlook.com',
            'example.com',
        ];

        $email = substr(strrchr($value, "@"), 1);

        if (!in_array($email, $domains)) {
            $fail('The :attribute must be a public email domain.');
        }
    }
}

🐱 Expiration Rule

ExpirationRule.php

<?php

namespace App\Rules;

use Closure;
use Illuminate\Contracts\Validation\ValidationRule;
use Carbon\Carbon;

class ExpirationRule implements ValidationRule
{
    /**
     * Run the validation rule.
     *
     * @param  \Closure(string): \Illuminate\Translation\PotentiallyTranslatedString  $fail
     */
    protected $current_date;
    public function __construct()
    {
        $this->current_date = Carbon::now()->format('Y-m-d');
    }
    public function validate(string $attribute, mixed $value, Closure $fail): void
    {
        if ($this->current_date > $value) {
            $fail('The :attribute is expired or not a valid date.');
        }
    }
}

🦁 Language English Rule

LanguageEnglishRule.php

<?php

namespace App\Rules;

use Closure;
use Illuminate\Contracts\Validation\ValidationRule;

class LanguageEnglishRule implements ValidationRule
{
    /**
     * Run the validation rule.
     *
     * @param  \Closure(string): \Illuminate\Translation\PotentiallyTranslatedString  $fail
     */
    public function validate(string $attribute, mixed $value, Closure $fail): void
    {
        if (!preg_match('/^[a-zA-Z\s]+$/', $value)) {
            $fail('The :attribute must contain only English text.');
        }
    }
}

🐯 Language Thai Rule

LanguageThaiRule.php

<?php

namespace App\Rules;

use Closure;
use Illuminate\Contracts\Validation\ValidationRule;

class LanguageThaiRule implements ValidationRule
{
    /**
     * Run the validation rule.
     *
     * @param  \Closure(string): \Illuminate\Translation\PotentiallyTranslatedString  $fail
     */
    public function validate(string $attribute, mixed $value, Closure $fail): void
    {
        if (!preg_match('/^[\p{Thai} ]+$/u', $value)) {
            $fail('The :attribute must contain only Thai text.');
        }
    }
}

🦊 Lowercase Rule

LowercaseRule.php

<?php

namespace App\Rules;

use Closure;
use Illuminate\Contracts\Validation\ValidationRule;

class LowercaseRule implements ValidationRule
{
    /**
     * Run the validation rule.
     *
     * @param  \Closure(string): \Illuminate\Translation\PotentiallyTranslatedString  $fail
     */
    public function validate(string $attribute, mixed $value, Closure $fail): void
    {
        if (strtolower($value) !== $value) {
            $fail('The :attribute must be lowercase.');
        }
    }
}

🦝 Mobile Phone Rule

MobilePhoneRule.php

<?php

namespace App\Rules;

use Closure;
use Illuminate\Contracts\Validation\ValidationRule;

class MobilePhoneRule implements ValidationRule
{
    /**
     * Run the validation rule.
     *
     * @param  \Closure(string): \Illuminate\Translation\PotentiallyTranslatedString  $fail
     */
    public function validate(string $attribute, mixed $value, Closure $fail): void
    {
        if (!is_numeric($value) && strlen($value) !== 10) {
            $fail('The :attribute must be a 10-digit number.');
        }
    }
}

🐮 Repeat Password Rule

RepeatPasswordRule.php

<?php

namespace App\Rules;

use Closure;
use Illuminate\Contracts\Validation\ValidationRule;

class RepeatPasswordRule implements ValidationRule
{
    /**
     * Run the validation rule.
     *
     * @param  \Closure(string): \Illuminate\Translation\PotentiallyTranslatedString  $fail
     */
    public function __construct($password)
    {
        $this->password = $password;
    }
    public function validate(string $attribute, mixed $value, Closure $fail): void
    {
        if ($value !== $this->password) {
            $fail('The password confirmation does not match.');
        }
    }
}

🐷 Strong Password Rule

StrongPasswordRule.php

<?php

namespace App\Rules;

use Closure;
use Illuminate\Contracts\Validation\ValidationRule;

class StrongPasswordRule implements ValidationRule
{
    /**
     * Run the validation rule.
     *
     * @param  \Closure(string): \Illuminate\Translation\PotentiallyTranslatedString  $fail
     */
    public function validate(string $attribute, mixed $value, Closure $fail): void
    {
        if (!preg_match('/^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,}$/', $value)) {
            $fail('The :attribute must be at least 8 characters long and contain at least one uppercase letter, one lowercase letter, one number, and one special character.');
        }
    }
}

🐗 Student Code Rule

StudentCodeRule.php

<?php

namespace App\Rules;

use Closure;
use Illuminate\Contracts\Validation\ValidationRule;

class StudentCodeRule implements ValidationRule
{
    /**
     * Run the validation rule.
     *
     * @param  \Closure(string): \Illuminate\Translation\PotentiallyTranslatedString  $fail
     */
    public function validate(string $attribute, mixed $value, Closure $fail): void
    {
        if (!is_numeric($value) && strlen($value) !== 10) {
            $fail('The :attribute must be a 10-digit number.');
        }
    }
}

🐹 Upload File Rule

UploadFileRule.php

<?php

namespace App\Rules;

use Closure;
use Illuminate\Contracts\Validation\ValidationRule;

class UploadFileRule implements ValidationRule
{
    /**
     * Run the validation rule.
     *
     * @param  \Closure(string): \Illuminate\Translation\PotentiallyTranslatedString  $fail
     */
    public function __construct($maxsize, $allow_filetype)
    {
        $this->maxsize = $maxsize;
        $this->allow_filetype = $allow_filetype;
    }
    public function validate(string $attribute, mixed $value, Closure $fail): void
    {
        if ($value->getSize() > $this->maxsize * 1024) {
            $fail('The file must not exceed ' . $this->maxsize . ' KB.');
        } elseif (!in_array($value->getClientOriginalExtension(), $this->allow_filetype)) {
            $fail('The file must be one of the following types: ' . implode(', ', $this->allow_filetype));
        }
    }
}

🐰 Uppercase Rule

UppercaseRule.php

<?php

namespace App\Rules;

use Closure;
use Illuminate\Contracts\Validation\ValidationRule;

class UppercaseRule implements ValidationRule
{
    /**
     * Run the validation rule.
     *
     * @param  \Closure(string): \Illuminate\Translation\PotentiallyTranslatedString  $fail
     */
    public function validate(string $attribute, mixed $value, Closure $fail): void
    {
        if (strtoupper($value) !== $value) {
            $fail('The :attribute must be uppercase.');
        }
    }
}