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ReferralCode.php
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ReferralCode.php
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<?php
namespace App;
use BaconQrCode;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;
/**
* The eloquent definition of a ReferralCode.
*
* @property string $code Referral code
* @property int $program_id Referral program identifier
* @property int $user_id User identifier
*/
class ReferralCode extends Model
{
public const CODE_LENGTH = 8;
/** @var bool Indicates if the IDs are auto-incrementing */
public $incrementing = false;
/** @var string The primary key associated with the table */
protected $primaryKey = 'code';
/** @var string The "type" of the auto-incrementing ID */
protected $keyType = 'string';
/** @var list<string> The attributes that are mass assignable */
protected $fillable = [
// 'code',
'program_id',
'user_id',
];
/** @var array<string, string> The attributes that should be cast */
protected $casts = [
'created_at' => 'datetime:Y-m-d H:i:s',
];
/** @var bool Indicates if the model should be timestamped. */
public $timestamps = false;
/**
* Generate a random code.
*/
public static function generateCode(): string
{
$code_length = env('REFERRAL_CODE_LENGTH', self::CODE_LENGTH);
return Utils::randStr($code_length);
}
/**
* The referral code owner (user)
*
* @return BelongsTo<User, $this>
*/
public function owner()
{
return $this->belongsTo(User::class, 'user_id');
}
/**
* The referral program
*
* @return BelongsTo<ReferralProgram, $this>
*/
public function program()
{
return $this->belongsTo(ReferralProgram::class, 'program_id');
}
/**
* The referrals using this code.
*
* @return HasMany<Referral, $this>
*/
public function referrals()
{
return $this->hasMany(Referral::class, 'code', 'code');
}
/**
* The signup URL as a QR code svg image
*/
public function qrCode($as_url = false): string
{
$renderer_style = new BaconQrCode\Renderer\RendererStyle\RendererStyle(300, 1);
$renderer_image = new BaconQrCode\Renderer\Image\SvgImageBackEnd();
$renderer = new BaconQrCode\Renderer\ImageRenderer($renderer_style, $renderer_image);
$writer = new BaconQrCode\Writer($renderer);
$svg = $writer->writeString($this->signupUrl());
if ($as_url) {
return 'data:image/svg+xml;base64,' . base64_encode($svg);
}
return $svg;
}
/**
* The signup URL.
*/
public function signupUrl(): string
{
return Utils::serviceUrl("signup/referral/{$this->code}", $this->program->tenant_id);
}
}

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