124 lines
3.6 KiB
PHP
124 lines
3.6 KiB
PHP
<?php
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/**
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* WooCommerce coupons
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*
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* The WooCommerce coupons class gets coupon data from storage
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*
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* @class woocommerce_coupon
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* @package WooCommerce
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* @category Class
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* @author WooThemes
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*/
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class woocommerce_coupon {
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var $code;
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var $id;
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var $type;
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var $amount;
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var $individual_use;
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var $product_ids;
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var $usage_limit;
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var $usage_count;
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var $expiry_date;
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var $apply_before_tax;
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var $free_shipping;
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/** get coupon with $code */
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function woocommerce_coupon( $code ) {
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$this->code = $code;
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$coupon = get_page_by_title( $this->code, 'OBJECT', 'shop_coupon' );
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if ($coupon && $coupon->post_status == 'publish') :
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$this->id = $coupon->ID;
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$this->type = get_post_meta($coupon->ID, 'discount_type', true);
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$this->amount = get_post_meta($coupon->ID, 'coupon_amount', true);
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$this->individual_use = get_post_meta($coupon->ID, 'individual_use', true);
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$this->product_ids = array_filter(array_map('trim', explode(',', get_post_meta($coupon->ID, 'product_ids', true))));
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$this->exclude_product_ids = array_filter(array_map('trim', explode(',', get_post_meta($coupon->ID, 'exclude_product_ids', true))));
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$this->usage_limit = get_post_meta($coupon->ID, 'usage_limit', true);
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$this->usage_count = (int) get_post_meta($coupon->ID, 'usage_count', true);
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$this->expiry_date = ($expires = get_post_meta($coupon->ID, 'expiry_date', true)) ? strtotime($expires) : '';
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$this->apply_before_tax = get_post_meta($coupon->ID, 'apply_before_tax', true);
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$this->free_shipping = get_post_meta($coupon->ID, 'free_shipping', true);
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return true;
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endif;
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return false;
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}
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/** Check if coupon needs applying before tax **/
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function apply_before_tax() {
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if ($this->apply_before_tax=='yes') return true; else return false;
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}
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function enable_free_shipping() {
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if ($this->free_shipping=='yes') return true; else return false;
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}
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/** Increase usage count */
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function inc_usage_count() {
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$this->usage_count++;
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update_post_meta($this->id, 'usage_count', $this->usage_count);
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}
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/** Check coupon is valid */
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function is_valid() {
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global $woocommerce;
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if ($this->id) :
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if ($this->usage_limit>0) :
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if ($this->usage_count>=$this->usage_limit) :
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return false;
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endif;
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endif;
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if ($this->expiry_date) :
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if (strtotime('NOW')>$this->expiry_date) :
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return false;
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endif;
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endif;
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// Product ids - If a product included is found in the cart then its valid
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if (sizeof( $this->product_ids )>0) :
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$valid = false;
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if (sizeof($woocommerce->cart->get_cart())>0) : foreach ($woocommerce->cart->get_cart() as $cart_item_key => $cart_item) :
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if (in_array($cart_item['product_id'], $this->product_ids) || in_array($cart_item['variation_id'], $this->product_ids)) :
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$valid = true;
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endif;
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endforeach; endif;
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if (!$valid) return false;
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endif;
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// Cart discounts cannot be added if non-eligble product is found in cart
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if ($this->type!='fixed_product' && $this->type!='percent_product') :
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if (sizeof( $this->exclude_product_ids )>0) :
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$valid = true;
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if (sizeof($woocommerce->cart->get_cart())>0) : foreach ($woocommerce->cart->get_cart() as $cart_item_key => $cart_item) :
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if (in_array($cart_item['product_id'], $this->exclude_product_ids) || in_array($cart_item['variation_id'], $this->exclude_product_ids)) :
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$valid = false;
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endif;
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endforeach; endif;
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if (!$valid) return false;
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endif;
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endif;
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$valid = apply_filters('woocommerce_coupon_is_valid', true, $this);
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if (!$valid) return false;
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return true;
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endif;
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return false;
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}
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}
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