/**
* sensei_check_prerequisite_course function.
*
* @deprecated since 1.9.0 use Sensei_Course::is_prerequisite_complete( $course_id );
* @access public
* @param mixed $course_id
* @return bool
*/
function sensei_check_prerequisite_course($course_id)
{
return Sensei_Course::is_prerequisite_complete($course_id);
}
/**
* Show the WooCommerce add to cart button for the current course
*
* The function will only show the button if
* 1- the user can buy the course
* 2- if they have completed their pre-requisite
* 3- if the course has a valid product attached
*
* @since 1.9.0
* @param int $course_id
* @return string $html markup for the button or nothing if user not allowed to buy
*/
public static function the_add_to_cart_button_html($course_id)
{
if (!Sensei_Course::is_prerequisite_complete($course_id)) {
return '';
}
$wc_post_id = self::get_course_product_id($course_id);
// Check if customer purchased the product
if (self::has_customer_bought_product(get_current_user_id(), $wc_post_id) || empty($wc_post_id)) {
return '';
}
// based on simple.php in WC templates/single-product/add-to-cart/
// Get the product
$product = Sensei()->sensei_get_woocommerce_product_object($wc_post_id);
// do not show the button for invalid products, non purchasable products, out
// of stock product or if course is already in cart
if (!isset($product) || !is_object($product) || !$product->is_purchasable() || !$product->is_in_stock() || self::is_course_in_cart($wc_post_id)) {
return '';
}
//
// button output:
//
?>
<form action="<?php
echo esc_url($product->add_to_cart_url());
?>
"
class="cart"
method="post"
enctype="multipart/form-data">
<input type="hidden" name="product_id" value="<?php
echo esc_attr($product->id);
?>
" />
<input type="hidden" name="quantity" value="1" />
<?php
if (isset($product->variation_id) && 0 < intval($product->variation_id)) {
?>
<input type="hidden" name="variation_id" value="<?php
echo $product->variation_id;
?>
" />
<?php
if (isset($product->variation_data) && is_array($product->variation_data) && count($product->variation_data) > 0) {
?>
<?php
foreach ($product->variation_data as $att => $val) {
?>
<input type="hidden" name="<?php
echo esc_attr($att);
?>
" id="<?php
echo esc_attr(str_replace('attribute_', '', $att));
?>
" value="<?php
echo esc_attr($val);
?>
" />
<?php
}
?>
<?php
}
?>
<?php
}
?>
<button type="submit" class="single_add_to_cart_button button alt">
<?php
echo $product->get_price_html();
?>
- <?php
_e('Purchase this Course', 'woothemes-sensei');
?>
</button>
</form>
<?php
}
