VerificationCode.php
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VerificationCode.php
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	<?php

	namespace App;

	use App\SignupCode;
	use Carbon\Carbon;
	use Illuminate\Database\Eloquent\Model;

	/**
	* The eloquent definition of a VerificationCode
	*/
	class VerificationCode extends SignupCode
	{
	// Code expires after so many hours
	public const CODE_EXP_HOURS = 8;
	public const SHORTCODE_LENGTH = 8;


	/**
	* The attributes that are mass assignable.
	*
	* @var array
	*/
	protected $fillable = ['user_id', 'code', 'short_code', 'mode', 'expires_at'];

	/**
	* The attributes that should be cast to native types.
	*
	* @var array
	*/
	protected $casts = [];

	/**
	* The user to which this setting belongs.
	*
	* @return \Illuminate\Database\Eloquent\Relations\BelongsTo
	*/
	public function user()
	{
	return $this->belongsTo('\App\User', 'user_id', 'id');
	}

	/**
	* Generate a short code (for human).
	*
	* @return string
	*/
	public static function generateShortCode(): string
	{
	$code_length = env('VERIFICATION_CODE_LENGTH', self::SHORTCODE_LENGTH);
	$code_chars = env('VERIFICATION_CODE_CHARS', self::SHORTCODE_CHARS);
	$random = [];

	for ($i = 1; $i <= $code_length; $i++) {
	$random[] = $code_chars[rand(0, strlen($code_chars) - 1)];
	}

	shuffle($random);

	return implode('', $random);
	}
	}