Get discount amount for a cart item.
| public get_discount_amount ( float $discounting_amount, array | null $cart_item = null, boolean $single = false ) : float | ||
| $discounting_amount | float | Amount the coupon is being applied to |
| $cart_item | array | null | Cart item being discounted if applicable |
| $single | boolean | True if discounting a single qty item, false if its the line |
| return | float | Amount this coupon has discounted |
/**
* Function to apply discounts to a product and get the discounted price (before tax is applied).
*
* @access public
* @param mixed $values
* @param mixed $price
* @param bool $add_totals (default: false)
* @return float price
*/
public function get_discounted_price($values, $price, $add_totals = false)
{
if (!$price) {
return $price;
}
if (!empty($this->applied_coupons)) {
foreach ($this->applied_coupons as $code) {
$coupon = new WC_Coupon($code);
if ($coupon->apply_before_tax() && $coupon->is_valid()) {
if ($coupon->is_valid_for_product($values['data']) || $coupon->is_valid_for_cart()) {
$discount_amount = $coupon->get_discount_amount($price, $values, $single = true);
$price = max($price - $discount_amount, 0);
if ($add_totals) {
$this->discount_cart += $discount_amount * $values['quantity'];
$this->increase_coupon_discount_amount($code, $discount_amount * $values['quantity']);
$this->increase_coupon_applied_count($code, $values['quantity']);
}
}
}
}
}
return apply_filters('woocommerce_get_discounted_price', $price, $values, $this);
}
function load_cart_contents()
{
global $woocommerce;
$cart = $woocommerce->cart->cart_contents;
if (sizeof($cart > 0)) {
foreach ($cart as $cart_item_key => $cart_item) {
$woocommerce->cart->calculate_totals();
$product_id = $cart_item['product_id'];
$product = $cart_item['data'];
$coupons = $woocommerce->cart->applied_coupons;
$price = $product->get_price();
$quantity = $cart_item['quantity'];
$subtotal = $price * $quantity;
if ($coupons) {
foreach ($coupons as $key => $coupon) {
$coupon = new WC_Coupon($coupon);
if ($coupon->is_valid_for_product($product)) {
$discount = $coupon->get_discount_amount($price, $cart_item);
$subtotal = $price * $quantity - $discount;
}
}
}
?>
<tr class="selectable ins_order_item" id="<?php
echo esc_attr($cart_item_key);
?>
">
<td class="ins_product_id"><?php
echo esc_html($product_id);
?>
</td>
<td class="ins_product_title"><?php
echo $product->get_title();
?>
</td>
<td class="ins_product_price"><?php
echo wc_price($price);
?>
</td>
<td class="ins_product_quantity"><?php
echo $quantity;
?>
</td>
<td class="ins_product_subtotal"><?php
echo wc_price($subtotal);
?>
</td>
<?php
$coupons = $woocommerce->cart->applied_coupons;
if ($coupons) {
foreach ($coupons as $coupon) {
$coupon = new WC_Coupon($coupon);
if ($coupon->is_valid_for_product($cart_item['data'])) {
?>
<tr class="ins_item_discounts">
<td style="text-align:center;"><?php
echo __('Discount', 'instore');
?>
</td>
<td class="disc_code" style="text-align:center;"><?php
echo esc_html($coupon->code);
?>
</td>
<td class="regular_price" style="text-align:center;"> Reg price <?php
echo wc_price($product->get_price());
?>
</td>
<td class="disc_amount" style="text-align:right;">- <?php
echo wc_price($discount);
?>
</td>
</tr>
<?php
}
}
}
?>
</tr>
<?php
}
}
}
public function ins_ajax_get_discount()
{
global $woocommerce, $current_user;
$total_discount = 0.0;
if (isset($_POST['discount'])) {
if (is_array($_POST['discount'])) {
$discount = $_POST['discount'];
$disc_code = $discount['disc_reason'] . time();
$coupon_code = add_filter('woocommerce_get_shop_coupon_data', array($this, 'ins_get_discount_code'), $disc_code);
} else {
$coupon_code = $_POST['discount'];
}
$coupon = new WC_Coupon($coupon_code);
$cart_items = $woocommerce->cart->cart_contents;
if ($coupon->is_valid()) {
$total_discount += $coupon->get_discount_amount($woocommerce->cart->total);
$post = get_post($coupon->id);
$coupon->amount = $coupon->type == 'percent' ? $coupon->amount . '%' : wc_price($coupon->amount);
$coupon->minimum_amount = isset($_POST['call']) && $_POST['call'] == 'edit' ? $coupon->minimum_amount : wc_price($coupon->minimum_amount);
$coupon->expiry_date = is_long($coupon->expiry_date) ? date('m/d/Y', $coupon->expiry_date) : $coupon->expiry_date;
$coupon->usage_count = empty($coupon->usage_count) ? 0 : $coupon->usage_count;
$this->json_return = array('success' => true, 'call' => 'update_item_display', 'coupon' => $coupon, 'discount' => $total_discount, 'description' => isset($post) ? $post->post_excerpt : $discount['disc_reason'] . ' discount created on ' . date('m/d/Y h:m:i a') . ' by ' . $current_user->user_login);
if (isset($_POST['call'])) {
$this->json_return['action'] = $_POST['call'];
}
} else {
$this->json_return = array('success' => false, 'coupon_error' => $coupon->error_message);
}
}
echo json_encode($this->json_return);
die;
}
/**
* Does the coupon have a value? (autocoupon should not be applied if it has no value)
* @param WC_Coupon $coupon The coupon data
* @return bool True if it has a value (discount, free shipping, whatever) otherwise false)
**/
function coupon_has_a_value($coupon)
{
$has_a_value = false;
if ($coupon->enable_free_shipping()) {
$has_a_value = true;
} else {
//Test whether discount > 0
//See WooCommerce: class-wc-cart.php function get_discounted_price
global $woocommerce;
foreach ($woocommerce->cart->get_cart() as $cart_item) {
if ($coupon->is_valid_for_cart() || $coupon->is_valid_for_product($cart_item['data'], $cart_item)) {
if ($coupon->get_discount_amount($cart_item['data']->price, $cart_item) > 0) {
$has_a_value = true;
break;
}
}
}
}
return apply_filters('wjecf_coupon_has_a_value', $has_a_value, $coupon);
}
/**
*
* Gets custom price on the order page
*
* @param WC_Product $product
* @param int $item_id
* @param str $start - Start date
* @param str $end - End date
* @param array $order_item
* @param array $coupons
* @return array $item_prices - Item prices (subtotal, total, tax subtotal and tax total)
*
**/
public function easy_booking_get_booking_price($product, $item_id, $start, $end, $order_item, $coupons)
{
if (!$product) {
return false;
}
$calc_mode = $this->options['easy_booking_calc_mode'];
// Calculation mode (Days or Nights)
// Get booking duration
$start_diff = strtotime($start);
$end_diff = strtotime($end);
$diff = absint($start_diff - $end_diff) * 1000;
$days = $diff / 86400000;
if ($days === 0) {
$days = 1;
}
// If calculation mode is set to "Days", add one day
if ($calc_mode === 'days' && $start != $end) {
$duration = absint($days + 1);
} elseif ($calc_mode === 'days' && $start === $end) {
$duration = absint($days);
} else {
$duration = absint($days);
}
if ($product->is_taxable()) {
$price = $product->get_price_excluding_tax();
// Product price excluding tax
} else {
$price = $product->get_price();
// Product price
}
// Price for x days
$new_price = apply_filters('easy_booking_get_order_item_price', $price * $duration, $product, $item_id, $duration);
if ($product->is_taxable()) {
$item_tax_class = $order_item['tax_class'];
$product_taxes = $this->easy_booking_get_product_taxes($new_price, $item_tax_class);
// Product taxes without potential discounts
foreach ($product_taxes as $_tax_id => $_tax_value) {
$tax_subtotal[$_tax_id] = $_tax_value;
}
$tax_amount = WC_Tax::get_tax_total($product_taxes);
}
if ($coupons) {
foreach ($coupons as $code) {
$coupon = new WC_Coupon($code);
if ($coupon->is_valid_for_product($product)) {
$coupon_amount = $coupon->get_discount_amount($new_price, $order_item, true);
// Discounted amount for item price
$total = $new_price - $coupon_amount;
// New price with discount
if (!empty($product_taxes)) {
foreach ($product_taxes as $_tax_id => $_tax_value) {
$tax_discount[$_tax_id] = $coupon->get_discount_amount($_tax_value, $order_item, true);
// Discounted amount for item taxes
$tax_total[$_tax_id] = $_tax_value - $tax_discount[$_tax_id];
// Product taxes with discount
}
}
} else {
if (!empty($product_taxes)) {
foreach ($product_taxes as $_tax_id => $_tax_value) {
$tax_total[$_tax_id] = $_tax_value;
// No valid coupon - Product taxes unchanged
}
}
$total = $new_price;
// No valid coupon - Product price unchanged
}
}
} else {
if (!empty($product_taxes)) {
foreach ($product_taxes as $_tax_id => $_tax_value) {
$tax_total[$_tax_id] = $_tax_value;
// No coupon - Product taxes unchanged
}
}
$total = $new_price;
// No coupon - Product price unchanged
}
$new_price = $new_price * $order_item['quantity'];
// Multiply subtotal by item quantity
$total = $total * $order_item['quantity'];
// Multiply total by item quantity
if (!empty($product_taxes)) {
foreach ($tax_subtotal as $tax_subtotal_id => $tax_subtotal_amount) {
$tax_subtotal[$tax_subtotal_id] = $tax_subtotal_amount * $order_item['quantity'];
}
// Multiply tax subtotal by item quantity
foreach ($tax_total as $tax_total_id => $tax_total_amount) {
$tax_total[$tax_total_id] = $tax_total_amount * $order_item['quantity'];
}
// Multiply tax total by item quantity
// Format taxes
$line_taxes = array_map('wc_format_decimal', $tax_total);
$line_subtotal_taxes = array_map('wc_format_decimal', $tax_subtotal);
$item_prices['tax_subtotal'] = $line_subtotal_taxes;
$item_prices['tax_total'] = $line_taxes;
}
$item_prices['subtotal'] = floatval(wc_format_decimal($new_price, 0));
$item_prices['total'] = floatval(wc_format_decimal($total, 0));
return $item_prices;
}
