118 lines
2.8 KiB
PHP
118 lines
2.8 KiB
PHP
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<?php
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class jigoshop_shipping {
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private static $_instance;
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public static $enabled = false;
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public static $shipping_methods = array();
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public static $chosen_method = null;
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public static $shipping_total = 0;
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public static $shipping_tax = 0;
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public static $shipping_label = null;
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public static function init() {
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if (get_option('jigoshop_calc_shipping')!='no') self::$enabled = true;
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do_action('jigoshop_shipping_init');
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$load_methods = apply_filters('jigoshop_shipping_methods', array());
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foreach ($load_methods as $method) :
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self::$shipping_methods[] = &new $method();
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endforeach;
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}
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public static function get() {
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if (!isset(self::$_instance)) {
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$c = __CLASS__;
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self::$_instance = new $c;
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}
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return self::$_instance;
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}
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function get_available_shipping_methods() {
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if (self::$enabled=='yes') :
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$_available_methods = array();
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foreach ( self::$shipping_methods as $method ) :
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if ($method->is_available()) $_available_methods[$method->id] = $method;
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endforeach;
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return $_available_methods;
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endif;
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}
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function reset_shipping_methods() {
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foreach ( self::$shipping_methods as $method ) :
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$method->chosen = false;
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$method->shipping_total = 0;
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$method->shipping_tax = 0;
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endforeach;
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}
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function calculate_shipping() {
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if (self::$enabled=='yes') :
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self::$shipping_total = 0;
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self::$shipping_tax = 0;
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self::$shipping_label = null;
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$_cheapest_fee = '';
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$_cheapest_method = '';
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if (isset($_SESSION['_chosen_method_id'])) $chosen_method = $_SESSION['_chosen_method_id']; else $chosen_method = '';
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$calc_cheapest = false;
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if (!$chosen_method || empty($chosen_method)) $calc_cheapest = true;
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self::reset_shipping_methods();
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$_available_methods = self::get_available_shipping_methods();
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if (sizeof($_available_methods)>0) :
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foreach ($_available_methods as $method) :
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$method->calculate_shipping();
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$fee = $method->shipping_total;
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if ($fee < $_cheapest_fee || !is_numeric($_cheapest_fee)) :
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$_cheapest_fee = $fee;
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$_cheapest_method = $method->id;
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endif;
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endforeach;
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// Default to cheapest
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if ($calc_cheapest || !isset($_available_methods[$chosen_method])) :
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$chosen_method = $_cheapest_method;
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endif;
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if ($chosen_method) :
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$_available_methods[$chosen_method]->choose();
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self::$shipping_total = $_available_methods[$chosen_method]->shipping_total;
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self::$shipping_tax = $_available_methods[$chosen_method]->shipping_tax;
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self::$shipping_label = $_available_methods[$chosen_method]->title;
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endif;
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endif;
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endif;
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}
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function reset_shipping() {
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self::$shipping_total = 0;
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self::$shipping_tax = 0;
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self::$shipping_label = null;
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}
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}
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