1: <?php
 2: 
 3: namespace mcfedr\Paypal\Products;
 4: 
 5: /**
 6:  * Describes a product to be sold
 7:  * Some vars effect selling
 8:  * Some are set when receiving a notification
 9:  */
10: abstract class Product {
11: 
12:     /**
13:      * unique id of this product
14:      * @var int
15:      */
16:     public $id;
17: 
18:     /**
19:      * name of product
20:      * @var string
21:      */
22:     public $name;
23: 
24:     /**
25:      * Cost per item
26:      * @var double
27:      */
28:     public $amount;
29: 
30:     /**
31:      * total fee paid to paypal for these items
32:      * Set when received by notification
33:      * (ie you received {@link $total}-{@link $fee})
34:      * @var double
35:      */
36:     public $fee;
37: 
38:     /**
39:      * Get a product from $vars
40:      *
41:      * @param array $vars
42:      * @param string $number use when more than one product eg '1', '2'
43:      */
44:     public function __construct($vars = null, $number = '') {
45:         if (!is_null($vars)) {
46:             if (isset($vars["item_number$number"])) {
47:                 $this->id = $vars["item_number$number"];
48:             }
49:             if (isset($vars["item_name$number"])) {
50:                 $this->name = $vars["item_name$number"];
51:             }
52:             if (isset($vars["mc_fee_$number"])) {
53:                 $this->fee = $vars["mc_fee_$number"];
54:             }
55:             else if (isset($vars["mc_fee$number"])) {
56:                 $this->fee = $vars["mc_fee$number"];
57:             }
58:         }
59:     }
60: 
61:     /**
62:      * Sets up the array with paypal vars for $product
63:      *
64:      * @param array $params
65:      * @param string $suffix
66:      */
67:     public function setParams(&$params, $suffix = '') {
68:         if (!empty($this->id)) {
69:             $params["item_number$suffix"] = $this->id;
70:         }
71:         $params["item_name$suffix"] = substr($this->name, 0, 127);
72:     }
73: 
74: }
75: