/**
* Deducts the points redeemed for a discount when the order is processed at checkout. Note that points are deducted
* immediately upon checkout processing to protect against abuse.
*
* @since 1.0
* @param int $order_id the WC_Order ID
*/
public function maybe_deduct_redeemed_points($order_id)
{
global $woocommerce, $wc_points_rewards;
$order = new WC_Order($order_id);
// bail for guest user
if (!$order->user_id) {
return;
}
$discount_code = WC_Points_Rewards_Discount::get_discount_code();
// only deduct points if they were redeemed for a discount
if (!$woocommerce->cart->has_discount($discount_code)) {
return;
}
$discount_amount = isset($woocommerce->cart->coupon_discount_amounts[$discount_code]) ? $woocommerce->cart->coupon_discount_amounts[$discount_code] : 0;
$points_redeemed = WC_Points_Rewards_Manager::calculate_points_for_discount($discount_amount);
// deduct points
WC_Points_Rewards_Manager::decrease_points($order->user_id, $points_redeemed, 'order-redeem', array('discount_code' => $discount_code, 'discount_amount' => $discount_amount), $order->id);
update_post_meta($order->id, '_wc_points_redeemed', $points_redeemed);
// add order note
$order->add_order_note(sprintf(__('%d %s redeemed for a %s discount.', 'wc_points_rewards'), $points_redeemed, $wc_points_rewards->get_points_label($points_redeemed), woocommerce_price($discount_amount)));
}
/**
* Renders a message and button above the cart displaying the points available to redeem for a discount
*
* @since 1.0
*/
public function render_redeem_points_message()
{
global $woocommerce, $wc_points_rewards;
// don't display a message if coupons are disabled or points have already been applied for a discount
if (!$woocommerce->cart->coupons_enabled() || $woocommerce->cart->has_discount(WC_Points_Rewards_Discount::get_discount_code())) {
return;
}
// get the total discount available for redeeming points
$discount_available = $this->get_discount_for_redeeming_points();
$message = get_option('wc_points_rewards_redeem_points_message');
// bail if no message set or no points will be earned for purchase
if (!$message || !$discount_available) {
return;
}
// points required to redeem for the discount available
$points = WC_Points_Rewards_Manager::calculate_points_for_discount($discount_available);
$message = str_replace('{points}', number_format_i18n($points), $message);
// the maximum discount available given how many points the customer has
$message = str_replace('{points_value}', woocommerce_price($discount_available), $message);
// points label
$message = str_replace('{points_label}', $wc_points_rewards->get_points_label($points), $message);
// add 'Apply Discount' button
$message .= '<form class="wc_points_rewards_apply_discount" action="' . esc_url($woocommerce->cart->get_cart_url()) . '" method="post">';
$message .= '<input type="hidden" name="wc_points_rewards_apply_discount_amount" class="wc_points_rewards_apply_discount_amount" />';
$message .= '<input type="submit" class="button wc_points_rewards_apply_discount" name="wc_points_rewards_apply_discount" value="' . __('Apply Discount', 'wc_points_rewards') . '" /></form>';
// wrap with info div
$message = '<div class="woocommerce-info wc_points_rewards_redeem_points">' . $message . '</div>';
echo apply_filters('wc_points_rewards_redeem_points_message', $message, $discount_available);
if ('yes' === get_option('wc_points_rewards_partial_redemption_enabled')) {
// Add code to prompt for points amount
$js = '
$( "input.wc_points_rewards_apply_discount" ).click( function() {
var points = prompt( "' . esc_js(__('How many points would you like to apply?', 'wc_points_rewards')) . '", "' . $points . '" );
if ( points != null ) {
$( "input.wc_points_rewards_apply_discount_amount" ).val( points );
}
return true;
});
';
if (function_exists('wc_enqueue_js')) {
wc_enqueue_js($js);
} else {
$woocommerce->add_inline_js($js);
}
}
// add AJAX submit for applying the discount on the checkout page
if (is_checkout()) {
$js = '
/* Points & Rewards AJAX Apply Points Discount */
$( "form.wc_points_rewards_apply_discount" ).submit( function() {
var $section = $( "div.wc_points_rewards_redeem_points" );
if ( $section.is( ".processing" ) ) return false;
$section.addClass( "processing" ).block({message: null, overlayCSS: {background: "#fff url(" + woocommerce_params.ajax_loader_url + ") no-repeat center", backgroundSize: "16px 16px", opacity: 0.6}});
var data = {
action: "wc_points_rewards_apply_discount",
discount_amount: $("input.wc_points_rewards_apply_discount_amount").val(),
security: ( woocommerce_params.apply_coupon_nonce ? woocommerce_params.apply_coupon_nonce : wc_checkout_params.apply_coupon_nonce )
};
$.ajax({
type: "POST",
url: woocommerce_params.ajax_url,
data: data,
success: function( code ) {
$( ".woocommerce-error, .woocommerce-message" ).remove();
$section.removeClass( "processing" ).unblock();
if ( code ) {
$section.before( code );
$section.remove();
$( "body" ).trigger( "update_checkout" );
}
},
dataType: "html"
});
return false;
});
';
if (function_exists('wc_enqueue_js')) {
wc_enqueue_js($js);
} else {
$woocommerce->add_inline_js($js);
}
}
}