/**
* Validates an inbound coupon, applies or adds an error
*
*/
public function handleCoupon(ChargeModel &$model)
{
$code = $model->planCoupon;
// See if we have a matching record anywhere
$coupon = $this->_getCouponModelByCode($code);
if ($coupon == false) {
// Not a valid code
// Add an error to the model
$model->addError('planCoupon', Craft::t('Sorry, not a valid coupon code'));
return $model;
}
$type = 'one-off';
if ($model->planIntervalCount >= 1) {
$type = 'recurring';
}
// Match to the paymentType
if ($coupon->paymentType == 'recurring' and $type != 'recurring') {
$model->addError('planCoupon', Craft::t('Sorry, this coupon can only be used on recurring payments'));
return;
} else {
if ($coupon->paymentType == 'one-off' and $type != 'one-off') {
$model->addError('planCoupon', Craft::t('Sorry, this coupon can only be used on one-time payments'));
return;
}
}
// We'll also need to branch
// If the $type is recurring, the discount is dealt with direclty on Stripe's side,
// if it's one-off, we have to do the leg work here
if ($type == 'recurring') {
// We have the planCoupon market attached to the model,
// and we'll return here, and do the work later
return;
}
// Only dealing with one-time coupons now.
$baseAmount = $model->planAmount * 100;
// @todo - temp fix
$baseCurrency = $model->planCurrency;
$discountAmount = 0;
$finalAmount = $baseAmount;
if ($coupon->couponType == 'percentage') {
$percentageOff = $coupon->percentageOff;
$discountAmount = (double) $baseAmount * ($percentageOff / 100);
$finalAmount = (double) $baseAmount - $discountAmount;
}
if ($coupon->couponType == 'amount') {
$amountOff = $coupon->amountOff;
$discountAmount = $amountOff;
$finalAmount = (double) $baseAmount - $amountOff;
}
// Sanity Check
if ($discountAmount <= 0) {
// nope, discount is zero.
$model->addError('planCoupon', Craft::t('Sorry, this coupon is invalid'));
return;
}
if ($finalAmount >= $baseAmount) {
// nope, somehow this 'discount' has increased the price
$model->addError('planCoupon', Craft::t('Sorry, this coupon is invalid'));
return;
}
// Check we're still above the min transaction price
if ($finalAmount <= 0.5) {
$model->addError('planCoupon', Craft::t('Sorry, applying this coupon brings your total below the minimum we can charge'));
return;
}
$finalAmount = strval($finalAmount) / 100;
// @todo temp fix for coupons
$discountAmount = strval($discountAmount);
$model->planAmount = $finalAmount;
$model->planDiscount = $discountAmount;
$model->planFullAmount = $baseAmount;
return;
}
/**
* Populates an element model based on a query result.
*
* @param array $row
* @return array
*/
public function populateElementModel($row)
{
return ChargeModel::populateModel($row);
}
