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Payment.php
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Payment.php
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<?php
namespace App;
use Dyrynda\Database\Support\NullableFields;
use Illuminate\Database\Eloquent\Model;
/**
* A payment operation on a wallet.
*
* @property int $amount Amount of money in cents of system currency (payment provider)
* @property int $credit_amount Amount of money in cents of system currency (wallet balance)
* @property string $description Payment description
* @property string $id Mollie's Payment ID
* @property string $status Payment status (Payment::STATUS_*)
* @property string $type Payment type (Payment::TYPE_*)
* @property ?string $vat_rate_id VAT rate identifier
* @property \App\Wallet $wallet The wallet
* @property string $wallet_id The ID of the wallet
* @property string $currency Currency of this payment
* @property int $currency_amount Amount of money in cents of $currency
*/
class Payment extends Model
{
use NullableFields;
public const STATUS_OPEN = 'open';
public const STATUS_CANCELED = 'canceled';
public const STATUS_PENDING = 'pending';
public const STATUS_AUTHORIZED = 'authorized';
public const STATUS_EXPIRED = 'expired';
public const STATUS_FAILED = 'failed';
public const STATUS_PAID = 'paid';
public const TYPE_ONEOFF = 'oneoff';
public const TYPE_RECURRING = 'recurring';
public const TYPE_MANDATE = 'mandate';
public const TYPE_REFUND = 'refund';
public const TYPE_CHARGEBACK = 'chargeback';
/** const int Minimum amount of money in a single payment (in cents) */
public const MIN_AMOUNT = 100;
/** @var bool Indicates that the model should be timestamped or not */
public $incrementing = false;
/** @var string The "type" of the auto-incrementing ID */
protected $keyType = 'string';
/** @var array<string, string> The attributes that should be cast */
protected $casts = [
'amount' => 'integer',
'credit_amount' => 'integer',
'currency_amount' => 'integer',
];
/** @var array<int,string> The attributes that are mass assignable */
protected $fillable = [
'id',
'wallet_id',
'amount',
'credit_amount',
'description',
'provider',
'status',
'vat_rate_id',
'type',
'currency',
'currency_amount',
];
/** @var array<int, string> The attributes that can be not set */
protected $nullable = [
'vat_rate_id',
];
/**
* Create a payment record in DB from array.
*
* @param array $payment Payment information (required: id, type, wallet_id, currency, amount, currency_amount)
*
* @return \App\Payment Payment object
*/
public static function createFromArray(array $payment): Payment
{
$db_payment = new Payment();
$db_payment->id = $payment['id'];
$db_payment->description = $payment['description'] ?? '';
$db_payment->status = $payment['status'] ?? self::STATUS_OPEN;
$db_payment->amount = $payment['amount'] ?? 0;
$db_payment->credit_amount = $payment['credit_amount'] ?? ($payment['amount'] ?? 0);
$db_payment->vat_rate_id = $payment['vat_rate_id'] ?? null;
$db_payment->type = $payment['type'];
$db_payment->wallet_id = $payment['wallet_id'];
$db_payment->provider = $payment['provider'] ?? '';
$db_payment->currency = $payment['currency'];
$db_payment->currency_amount = $payment['currency_amount'];
$db_payment->save();
return $db_payment;
}
/**
* Apply the successful payment's pecunia to the wallet
*
* @param string $method Payment method name
*/
public function credit($method): void
{
if (empty($this->wallet)) {
throw new \Exception("Cannot credit a payment not assigned to a wallet");
}
if ($this->credit_amount < 0) {
throw new \Exception("Cannot credit a payment with negative amount");
}
// TODO: Possibly we should sanity check that payment is paid?
// TODO: Localization?
$description = $this->type == self::TYPE_RECURRING ? 'Auto-payment' : 'Payment';
$description .= " transaction {$this->id} using {$method}";
$this->wallet->credit($this, $description);
// Unlock the disabled auto-payment mandate
if ($this->wallet->balance >= 0) {
$this->wallet->setSetting('mandate_disabled', null);
}
if ($owner = $this->wallet->owner) {
// Remove RESTRICTED flag from the wallet owner and all users in the wallet
if ($owner->isRestricted()) {
$owner->unrestrict(true);
}
// Activate the inactive user
if (!$owner->isActive()) {
$owner->status |= User::STATUS_ACTIVE;
$owner->save();
}
}
}
/**
* Creates a payment and transaction records for the refund/chargeback operation.
* Deducts an amount of pecunia from the wallet.
*
* @param array $refund A refund or chargeback data (id, type, amount, currency, description)
*
* @return ?\App\Payment A payment object for the refund
*/
public function refund(array $refund): ?Payment
{
if (empty($refund) || empty($refund['amount'])) {
return null;
}
// Convert amount to wallet currency (use the same exchange rate as for the original payment)
// Note: We assume a refund is always using the same currency
$exchange_rate = $this->amount / $this->currency_amount;
$credit_amount = $amount = (int) round($refund['amount'] * $exchange_rate);
// Set appropriate credit_amount if original credit_amount != original amount
if ($this->amount != $this->credit_amount) {
$credit_amount = (int) round($amount * ($this->credit_amount / $this->amount));
}
// Apply the refund to the wallet balance
$method = $refund['type'] == self::TYPE_CHARGEBACK ? 'chargeback' : 'refund';
$this->wallet->{$method}($credit_amount, $refund['description'] ?? '');
$refund['amount'] = $amount * -1;
$refund['credit_amount'] = $credit_amount * -1;
$refund['currency_amount'] = round($amount * -1 / $exchange_rate);
$refund['currency'] = $this->currency;
$refund['wallet_id'] = $this->wallet_id;
$refund['provider'] = $this->provider;
$refund['vat_rate_id'] = $this->vat_rate_id;
$refund['status'] = self::STATUS_PAID;
// FIXME: Refunds/chargebacks are out of the reseller comissioning for now
return self::createFromArray($refund);
}
/**
* Ensure the currency is appropriately cased.
*/
public function setCurrencyAttribute($currency)
{
$this->attributes['currency'] = strtoupper($currency);
}
/**
* The wallet to which this payment belongs.
*
* @return \Illuminate\Database\Eloquent\Relations\BelongsTo
*/
public function wallet()
{
return $this->belongsTo(Wallet::class, 'wallet_id', 'id');
}
/**
* The VAT rate assigned to this payment.
*
* @return \Illuminate\Database\Eloquent\Relations\BelongsTo
*/
public function vatRate()
{
return $this->belongsTo(VatRate::class, 'vat_rate_id', 'id');
}
}

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