├── README.md
└── PaymentPaypal.module


/README.md:
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1 | PaymentPaypal
2 | =============
3 | 
4 | Paypal payment method for ProcessWire Shop module
5 | 


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/PaymentPaypal.module:
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  1 | <?php
  2 | 
  3 | require_once(dirname(__FILE__) . '/PaymentAbstract.php');
  4 | 
  5 | class PaymentPaypal extends PaymentAbstract implements ConfigurableModule {
  6 | 	
  7 |     public static function getModuleInfo()
  8 | 	{
  9 | 		return array(
 10 | 			'title' => 'Paypal Payment Method',
 11 | 			'version' => 001,
 12 | 			'summary' => 'Paypal payment method for ProcessWire Shop',
 13 | 			'singular' => false,
 14 | 			'autoload' => false
 15 | 		);
 16 | 	}
 17 |     public function init() {
 18 | 		$this->title = __("Paypal (also credit card)");
 19 | 	}
 20 | 	
 21 | 	/*
 22 | 	 *
 23 | 	 * returns nothing. You should edit and save $order page. If payment was succesful,
 24 | 	 * then do $order->removeStatus(Page::statusUnpublished) and remember to save the order!
 25 | 	 *
 26 | 	 * If order was also paid, then do $order->sc_paid = time();
 27 | 	 *
 28 | 	 * If order was not paid, but it was succesful (like invoice, money on delivery etc)
 29 | 	 * then just publish the order, but do not set sc_paid value.
 30 | 	 *
 31 | 	 * After you have manipulated the order, then just to redirect to $this->completedUrl
 32 | 	 *
 33 | 	 *
 34 | 	 * @param Page $order keeps the page object for the order
 35 | 	 *
 36 | 	 */
 37 |     public function processPayment(Page $order) {
 38 | 
 39 |     	$out = '';
 40 | 
 41 |     	if ($this->input->urlSegment(2) == "return") {
 42 |             $verify_url = 'https://www.paypal.com/cgi-bin/webscr?cmd=_notify-validate&' . http_build_query( $_POST );   
 43 | 
 44 | 			if( !strstr( file_get_contents( $verify_url ), 'VERIFIED' ) ) {
 45 | 				$out .= 'error when validating your payment.';
 46 | 			} else {
 47 | 				$order->setOutputFormatting(false);
 48 | 	            $order->sc_paid = time();
 49 | 	            $order->sc_paymentid = $this->sanitizer->text($_POST['txn_id']);
 50 | 	            $order->removeStatus(Page::statusUnpublished);
 51 | 	            $order->save();
 52 | 	            $this->session->redirect($this->completedUrl);
 53 | 			}
 54 |         }
 55 | 
 56 | 		else if ($this->input->urlSegment(2) == "cancel") {
 57 |             $this->session->redirect($this->completedUrl);
 58 |         } else {
 59 | 			// Let's generate the form code for Paypal data
 60 | 			$http = ($this->config->https) ? 'https://' : 'http://';
 61 | 			$returnUrl =  $http . $this->config->httpHost . $this->currentUrl . "return/";
 62 | 			$cancelUrl =  $http . $this->config->httpHost . $this->currentUrl . "cancel/";
 63 | 			
 64 | 			$out .= '<form id = "paypal_checkout" action = "https://www.paypal.com/cgi-bin/webscr" method = "post">';
 65 | 
 66 | 			$out .= '<input name = "cmd" value = "_cart" type = "hidden">
 67 | 	    	<input name = "upload" value = "1" type = "hidden">
 68 | 	    	<input name = "no_note" value = "0" type = "hidden">
 69 | 	    	<input name = "bn" value = "PP-BuyNowBF" type = "hidden">
 70 | 	    	<input name = "tax" value = "0" type = "hidden">
 71 | 	    	<input name = "rm" value = "2" type = "hidden">
 72 | 	    	<input name = "charset" value = "utf-8" type = "hidden">';
 73 | 
 74 | 	    	$out .= '<input type="hidden" name="first_name" value="'. $order->sc_firstname .'">
 75 | 			<input type="hidden" name="last_name" value="'. $order->sc_lastname .'">
 76 | 			<input type="hidden" name="address1" value="'. $order->sc_streetaddress .'">
 77 | 			<input type="hidden" name="city" value="'. $order->sc_city .'">
 78 | 			<input type="hidden" name="zip" value="'. $order->sc_zip .'">
 79 | 			<input type="hidden" name="email" value="'. $order->email .'">';
 80 | 
 81 | 		    $out .= '<input name = "business" value = "' . $this->business .'" type = "hidden">
 82 | 		    <input name = "handling_cart" value = "0" type = "hidden">
 83 | 		    <input name = "currency_code" value = "'. $this->currency .'" type = "hidden">
 84 | 		    <input name = "lc" value = "'. $this->location .'" type = "hidden">
 85 | 		    <input name = "return" value = "'. $returnUrl .'" type = "hidden">
 86 | 		    <input name = "cbt" value = "'. $this->returntxt .'" type = "hidden">
 87 | 		    <input name = "cancel_return" value = "'. $cancelUrl .'" type = "hidden">
 88 | 		    <input name = "custom" value = "" type = "hidden">';
 89 | 
 90 | 		    foreach($order->children('check_access=0') as $i => $p) {
 91 | 
 92 | 		    	$i = $i + 1;
 93 | 
 94 | 		    	$out .= '<input name = "item_name_'. $i .'" value = "'. $p->title .'" type = "hidden">';
 95 | 		    	$out .= '<input name = "quantity_'. $i .'" value = "'. $p->sc_qty .'" type = "hidden">';
 96 | 		    	$out .= '<input name = "amount_'. $i .'" value = "'. $p->sc_price .'" type = "hidden">';
 97 | 		    	$out .= '<input name = "shipping_'. $i .'" value = "0" type = "hidden">';
 98 | 			}
 99 | 
100 | 			$out .= '<input id = "ppcheckoutbtn" value = "'. __("Click here to proceed to Paypal.com") .'" class = "button" type = "submit">';
101 | 
102 | 			$out .= '</form>';
103 | 
104 | 			$out .= "<script>document.forms['paypal_checkout'].submit();</script>";
105 |         }
106 | 
107 | 		return $out;
108 |     }
109 | 
110 |     static public function getModuleConfigInputfields(Array $data) {
111 |                 // this is a container for fields, basically like a fieldset
112 |                 $fields = new InputfieldWrapper();
113 | 
114 |                 // since this is a static function, we can't use $this->modules, so get them from the global wire() function
115 |                 $modules = wire('modules');
116 | 
117 | 
118 |                 if(empty($data['currency'])) $data['currency'] = 'EUR';
119 |                 if(empty($data['merchantSecret'])) $data['merchantSecret'] = '6pKF4jkv97zmqBJ3ZL8gUw5DfT2NMQ';
120 | 
121 |                 $field = $modules->get("InputfieldText");
122 |                 $field->attr('name', 'business');
123 |                 $field->attr('value', $data['business']);
124 |                 $field->label = "Paypal email";
125 |                 $fields->add($field);
126 | 
127 |                 $field = $modules->get("InputfieldText");
128 |                 $field->attr('name', 'currency');
129 |                 $field->attr('value', $data['currency']);
130 |                 $field->label = "Currency used (Paypal currency code)";
131 |                 $fields->add($field);
132 | 
133 |                 $field = $modules->get("InputfieldText");
134 |                 $field->attr('name', 'location');
135 |                 $field->attr('value', $data['location']);
136 |                 $field->label = "Location";
137 |                 $field->description = "Location code, ie. GB";
138 |                 $fields->add($field);
139 | 
140 |                 $field = $modules->get("InputfieldText");
141 |                 $field->attr('name', 'returntxt');
142 |                 $field->attr('value', $data['returntxt']);
143 |                 $field->label = "Text on 'back to mysite.com' button at Paypal.com";
144 |                 $fields->add($field);
145 | 
146 | 
147 |                 return $fields;
148 |         }
149 | }
150 | 


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