1 <?php
 2 /**
 3  * Доставка
 4  * Gives methods to ship by, based on previously given address and order items.
 5  * 
 6  * @author menedem
 7  */
 8 class CheckoutStep_ShippingMethod extends CheckoutStep{
 9     
10     static $allowed_actions = array(
11         'shippingmethod',
12         'ShippingMethodForm'
13     );
14     
15     function StepIsActive() {
16         $order = Cart::current_order();
17         $methods = $order->getShippingEstimates();
18         if (!$methods || ($methods->Count() == 0)) {
19             return false;
20         }
21         if ($methods->Count() == 1) {
22             return false;
23         }
24         return true;        
25     }
26     
27     function shippingmethod(){
28         $order = Cart::current_order();
29         $methods = $order->getShippingEstimates();
30         if (!$methods || ($methods->Count() == 0)) {
31             user_error("Необходимо создать хотя бы 1 способ доставки", E_USER_ERROR);
32         }       
33         if ($methods->Count() == 1) {
34             $method = $methods->First();
35             return $this->setShippingMethod(array(
36                 'ShippingMethodID' => $method->ID,
37                 'ShippingRate_' . $method->ID => $method->CalculatedRate,
38             ), null);
39         }               
40         //?? Может ли быть уже заданным ShippingMethodID (в sshop есть проверка на это)
41         return array(
42             'Title' => $this->stepTitle(),
43             'Content' => $this->stepMessage(),
44             'Form' => $this->ShippingMethodForm()
45         );
46     }
47     
48     function ShippingMethodForm(){
49         $order = Cart::current_order();
50         $methods = $order->getShippingEstimates();      
51         $fields = new FieldSet();
52         if ($methods->exists()) {
53             $fields->push(new OptionsetField("ShippingMethodID", "", $methods->map('ID', 'ListTitle'), $methods->First()->ID));
54             foreach ($methods as $method) {
55                 $fields->push(new HiddenField('ShippingRate_' . $method->ID, 'ShippingRate_' . $method->ID, $method->CalculatedRate));
56             }
57         } else {
58             $fields->push(new LiteralField("NoShippingMethods", sprintf('<p class="message warning">%s</p>', _t('ShippingMethodForm.NoShippingMethods', 'There are no shipping methods available'))));
59         }       
60         $form = new Form(
61             $this->owner,
62             'ShippingMethodForm',
63             $fields,
64             $this->getStepActions(new FormAction('setshippingmethod', _t('OrderForm.NextStepButton', 'Continue')))
65         );
66         $form->addExtraClass('checkoutOptions');
67         
68         $this->owner->extend('updateShippingMethodForm', $form);
69         return $form;
70     }
71     
72     function setshippingmethod($data, $form) {
73         $shippingMethodID = (int) $data['ShippingMethodID'];
74         Cart::set_info('ShippingMethodID', $shippingMethodID); 
75         // !!! по-хорошему надо заново вычислить стоимость - доверять стоимости из интернета нельзя
76         Cart::set_info('ShippingTotal', (float) $data['ShippingRate_'.$shippingMethodID]); 
77         Director::redirect($this->NextStepLink());
78     }
79 }
80