1 <?php
  2 /**
  3  * Checkout
  4  *
  5  * The WooCommerce checkout class handles the checkout process, collecting user data and processing the payment.
  6  *
  7  * @class       WC_Cart
  8  * @version     2.1.0
  9  * @package     WooCommerce/Classes
 10  * @category    Class
 11  * @author      WooThemes
 12  */
 13 class WC_Checkout {
 14 
 15     /** @var array Array of posted form data. */
 16     public $posted;
 17 
 18     /** @var array Array of fields to display on the checkout. */
 19     public $checkout_fields;
 20 
 21     /** @var bool Whether or not the user must create an account to checkout. */
 22     public $must_create_account;
 23 
 24     /** @var bool Whether or not signups are allowed. */
 25     public $enable_signup;
 26 
 27     /** @var object The shipping method being used. */
 28     private $shipping_method;
 29 
 30     /** @var WC_Payment_Gateway The payment gateway being used. */
 31     private $payment_method;
 32 
 33     /** @var int ID of customer. */
 34     private $customer_id;
 35 
 36     /**
 37      * @var WooCommerce The single instance of the class
 38      * @since 2.1
 39      */
 40     protected static $_instance = null;
 41 
 42     /**
 43      * Main WooCommerce Instance
 44      *
 45      * Ensures only one instance of WooCommerce is loaded or can be loaded.
 46      *
 47      * @since 2.1
 48      * @static
 49      * @see WC()
 50      * @return Main WooCommerce instance
 51      */
 52     public static function instance() {
 53         if ( is_null( self::$_instance ) )
 54             self::$_instance = new self();
 55         return self::$_instance;
 56     }
 57 
 58     /**
 59      * Cloning is forbidden.
 60      *
 61      * @since 2.1
 62      */
 63     public function __clone() {
 64         _doing_it_wrong( __FUNCTION__, __( 'Cheatin&#8217; huh?', 'woocommerce' ), '2.1' );
 65     }
 66 
 67     /**
 68      * Unserializing instances of this class is forbidden.
 69      *
 70      * @since 2.1
 71      */
 72     public function __wakeup() {
 73         _doing_it_wrong( __FUNCTION__, __( 'Cheatin&#8217; huh?', 'woocommerce' ), '2.1' );
 74     }
 75 
 76     /**
 77      * Constructor for the checkout class. Hooks in methods and defines checkout fields.
 78      *
 79      * @access public
 80      * @return void
 81      */
 82     public function __construct () {
 83         add_action( 'woocommerce_checkout_billing', array( $this,'checkout_form_billing' ) );
 84         add_action( 'woocommerce_checkout_shipping', array( $this,'checkout_form_shipping' ) );
 85 
 86         $this->enable_signup         = get_option( 'woocommerce_enable_signup_and_login_from_checkout' ) == 'yes' ? true : false;
 87         $this->enable_guest_checkout = get_option( 'woocommerce_enable_guest_checkout' ) == 'yes' ? true : false;
 88         $this->must_create_account   = $this->enable_guest_checkout || is_user_logged_in() ? false : true;
 89 
 90         // Define all Checkout fields
 91         $this->checkout_fields['billing']   = WC()->countries->get_address_fields( $this->get_value('billing_country'), 'billing_' );
 92         $this->checkout_fields['shipping']  = WC()->countries->get_address_fields( $this->get_value('shipping_country'), 'shipping_' );
 93 
 94         if ( get_option( 'woocommerce_registration_generate_username' ) == 'no' ) {
 95             $this->checkout_fields['account']['account_username'] = array(
 96                 'type'          => 'text',
 97                 'label'         => __( 'Account username', 'woocommerce' ),
 98                 'required'      => true,
 99                 'placeholder'   => _x( 'Username', 'placeholder', 'woocommerce' )
100             );
101         }
102 
103         if ( get_option( 'woocommerce_registration_generate_password' ) == 'no' ) {
104             $this->checkout_fields['account']['account_password'] = array(
105                 'type'              => 'password',
106                 'label'             => __( 'Account password', 'woocommerce' ),
107                 'required'          => true,
108                 'placeholder'       => _x( 'Password', 'placeholder', 'woocommerce' )
109             );
110         }
111 
112         $this->checkout_fields['order'] = array(
113             'order_comments' => array(
114                 'type' => 'textarea',
115                 'class' => array('notes'),
116                 'label' => __( 'Order Notes', 'woocommerce' ),
117                 'placeholder' => _x('Notes about your order, e.g. special notes for delivery.', 'placeholder', 'woocommerce')
118                 )
119             );
120 
121         $this->checkout_fields = apply_filters( 'woocommerce_checkout_fields', $this->checkout_fields );
122 
123         do_action( 'woocommerce_checkout_init', $this );
124     }
125 
126 
127     /**
128      * Checkout process
129      */
130     public function check_cart_items() {
131         // When we process the checkout, lets ensure cart items are rechecked to prevent checkout
132         do_action('woocommerce_check_cart_items');
133     }
134 
135 
136     /**
137      * Output the billing information form
138      *
139      * @access public
140      * @return void
141      */
142     public function checkout_form_billing() {
143         wc_get_template( 'checkout/form-billing.php', array( 'checkout' => $this ) );
144     }
145 
146 
147     /**
148      * Output the shipping information form
149      *
150      * @access public
151      * @return void
152      */
153     public function checkout_form_shipping() {
154         wc_get_template( 'checkout/form-shipping.php', array( 'checkout' => $this ) );
155     }
156 
157 
158     /**
159      * create_order function.
160      * @access public
161      * @throws Exception
162      * @return int
163      */
164     public function create_order() {
165         global $wpdb;
166 
167         // Give plugins the opportunity to create an order themselves
168         $order_id = apply_filters( 'woocommerce_create_order', null, $this );
169 
170         if ( is_numeric( $order_id ) )
171             return $order_id;
172 
173         // Create Order (send cart variable so we can record items and reduce inventory). Only create if this is a new order, not if the payment was rejected.
174         $order_data = apply_filters( 'woocommerce_new_order_data', array(
175             'post_type'     => 'shop_order',
176             'post_title'    => sprintf( __( 'Order &ndash; %s', 'woocommerce' ), strftime( _x( '%b %d, %Y @ %I:%M %p', 'Order date parsed by strftime', 'woocommerce' ) ) ),
177             'post_status'   => 'publish',
178             'ping_status'   => 'closed',
179             'post_excerpt'  => isset( $this->posted['order_comments'] ) ? $this->posted['order_comments'] : '',
180             'post_author'   => 1,
181             'post_password' => uniqid( 'order_' )   // Protects the post just in case
182         ) );
183 
184         // Insert or update the post data
185         $create_new_order = true;
186 
187         if ( WC()->session->order_awaiting_payment > 0 ) {
188 
189             $order_id = absint( WC()->session->order_awaiting_payment );
190 
191             /* Check order is unpaid by getting its status */
192             $terms        = wp_get_object_terms( $order_id, 'shop_order_status', array( 'fields' => 'slugs' ) );
193             $order_status = isset( $terms[0] ) ? $terms[0] : 'pending';
194 
195             // Resume the unpaid order if its pending
196             if ( get_post( $order_id ) && ( $order_status == 'pending' || $order_status == 'failed' ) ) {
197 
198                 // Update the existing order as we are resuming it
199                 $create_new_order = false;
200                 $order_data['ID'] = $order_id;
201                 wp_update_post( $order_data );
202 
203                 // Clear the old line items - we'll add these again in case they changed
204                 $wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->prefix}woocommerce_order_itemmeta WHERE order_item_id IN ( SELECT order_item_id FROM {$wpdb->prefix}woocommerce_order_items WHERE order_id = %d )", $order_id ) );
205 
206                 $wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->prefix}woocommerce_order_items WHERE order_id = %d", $order_id ) );
207 
208                 // Trigger an action for the resumed order
209                 do_action( 'woocommerce_resume_order', $order_id );
210             }
211         }
212 
213         if ( $create_new_order ) {
214             $order_id = wp_insert_post( $order_data, true );
215 
216             if ( is_wp_error( $order_id ) )
217                 throw new Exception( 'Error: Unable to create order. Please try again.' );
218             else
219                 do_action( 'woocommerce_new_order', $order_id );
220         }
221 
222         // Store user data
223         if ( $this->checkout_fields['billing'] )
224             foreach ( $this->checkout_fields['billing'] as $key => $field ) {
225                 update_post_meta( $order_id, '_' . $key, $this->posted[ $key ] );
226 
227                 if ( $this->customer_id && apply_filters( 'woocommerce_checkout_update_customer_data', true, $this ) )
228                     update_user_meta( $this->customer_id, $key, $this->posted[ $key ] );
229             }
230 
231         if ( $this->checkout_fields['shipping'] && WC()->cart->needs_shipping() ) {
232             foreach ( $this->checkout_fields['shipping'] as $key => $field ) {
233                 $postvalue = false;
234 
235                 if ( $this->posted['ship_to_different_address'] == false ) {
236                     if ( isset( $this->posted[ str_replace( 'shipping_', 'billing_', $key ) ] ) ) {
237                         $postvalue = $this->posted[ str_replace( 'shipping_', 'billing_', $key ) ];
238                         update_post_meta( $order_id, '_' . $key, $postvalue );
239                     }
240                 } else {
241                     $postvalue = $this->posted[ $key ];
242                     update_post_meta( $order_id, '_' . $key, $postvalue );
243                 }
244 
245                 // User
246                 if ( $postvalue && $this->customer_id && apply_filters( 'woocommerce_checkout_update_customer_data', true, $this ) )
247                     update_user_meta( $this->customer_id, $key, $postvalue );
248             }
249         }
250 
251         // Save any other user meta
252         if ( $this->customer_id )
253             do_action( 'woocommerce_checkout_update_user_meta', $this->customer_id, $this->posted );
254 
255         // Store the line items to the new/resumed order
256         foreach ( WC()->cart->get_cart() as $cart_item_key => $values ) {
257 
258             $_product = $values['data'];
259 
260             // Add line item
261             $item_id = wc_add_order_item( $order_id, array(
262                 'order_item_name'       => $_product->get_title(),
263                 'order_item_type'       => 'line_item'
264             ) );
265 
266             // Add line item meta
267             if ( $item_id ) {
268                 wc_add_order_item_meta( $item_id, '_qty', apply_filters( 'woocommerce_stock_amount', $values['quantity'] ) );
269                 wc_add_order_item_meta( $item_id, '_tax_class', $_product->get_tax_class() );
270                 wc_add_order_item_meta( $item_id, '_product_id', $values['product_id'] );
271                 wc_add_order_item_meta( $item_id, '_variation_id', $values['variation_id'] );
272                 wc_add_order_item_meta( $item_id, '_line_subtotal', wc_format_decimal( $values['line_subtotal'] ) );
273                 wc_add_order_item_meta( $item_id, '_line_total', wc_format_decimal( $values['line_total'] ) );
274                 wc_add_order_item_meta( $item_id, '_line_tax', wc_format_decimal( $values['line_tax'] ) );
275                 wc_add_order_item_meta( $item_id, '_line_subtotal_tax', wc_format_decimal( $values['line_subtotal_tax'] ) );
276 
277                 // Store variation data in meta so admin can view it
278                 if ( $values['variation'] && is_array( $values['variation'] ) ) {
279                     foreach ( $values['variation'] as $key => $value ) {
280                         $key = str_replace( 'attribute_', '', $key );
281                         wc_add_order_item_meta( $item_id, $key, $value );
282                     }
283                 }
284 
285                 // Add line item meta for backorder status
286                 if ( $_product->backorders_require_notification() && $_product->is_on_backorder( $values['quantity'] ) ) {
287                     wc_add_order_item_meta( $item_id, apply_filters( 'woocommerce_backordered_item_meta_name', __( 'Backordered', 'woocommerce' ), $cart_item_key, $order_id ), $values['quantity'] - max( 0, $_product->get_total_stock() ) );
288                 }
289 
290                 // Allow plugins to add order item meta
291                 do_action( 'woocommerce_add_order_item_meta', $item_id, $values, $cart_item_key );
292             }
293         }
294 
295         // Store fees
296         foreach ( WC()->cart->get_fees() as $fee_key => $fee ) {
297             $item_id = wc_add_order_item( $order_id, array(
298                 'order_item_name'       => $fee->name,
299                 'order_item_type'       => 'fee'
300             ) );
301 
302             if ( $fee->taxable )
303                 wc_add_order_item_meta( $item_id, '_tax_class', $fee->tax_class );
304             else
305                 wc_add_order_item_meta( $item_id, '_tax_class', '0' );
306 
307             wc_add_order_item_meta( $item_id, '_line_total', wc_format_decimal( $fee->amount ) );
308             wc_add_order_item_meta( $item_id, '_line_tax', wc_format_decimal( $fee->tax ) );
309             
310             // Allow plugins to add order item meta to fees
311             do_action( 'woocommerce_add_order_fee_meta', $order_id, $item_id, $fee, $fee_key );
312         }
313 
314         // Store shipping for all packages
315         $packages = WC()->shipping->get_packages();
316 
317         foreach ( $packages as $i => $package ) {
318             if ( isset( $package['rates'][ $this->shipping_methods[ $i ] ] ) ) {
319 
320                 $method = $package['rates'][ $this->shipping_methods[ $i ] ];
321 
322                 $item_id = wc_add_order_item( $order_id, array(
323                     'order_item_name'       => $method->label,
324                     'order_item_type'       => 'shipping'
325                 ) );
326 
327                 if ( $item_id ) {
328                     wc_add_order_item_meta( $item_id, 'method_id', $method->id );
329                     wc_add_order_item_meta( $item_id, 'cost', wc_format_decimal( $method->cost ) );
330                     do_action( 'woocommerce_add_shipping_order_item', $order_id, $item_id, $i );
331                 }
332             }
333         }
334 
335         // Store tax rows
336         foreach ( array_keys( WC()->cart->taxes + WC()->cart->shipping_taxes ) as $key ) {
337             $code = WC()->cart->tax->get_rate_code( $key );
338             
339             if ( $code ) {
340                 $item_id = wc_add_order_item( $order_id, array(
341                     'order_item_name'       => $code,
342                     'order_item_type'       => 'tax'
343                 ) );
344 
345                 // Add line item meta
346                 if ( $item_id ) {
347                     wc_add_order_item_meta( $item_id, 'rate_id', $key );
348                     wc_add_order_item_meta( $item_id, 'label', WC()->cart->tax->get_rate_label( $key ) );
349                     wc_add_order_item_meta( $item_id, 'compound', absint( WC()->cart->tax->is_compound( $key ) ? 1 : 0 ) );
350                     wc_add_order_item_meta( $item_id, 'tax_amount', wc_format_decimal( isset( WC()->cart->taxes[ $key ] ) ? WC()->cart->taxes[ $key ] : 0 ) );
351                     wc_add_order_item_meta( $item_id, 'shipping_tax_amount', wc_format_decimal( isset( WC()->cart->shipping_taxes[ $key ] ) ? WC()->cart->shipping_taxes[ $key ] : 0 ) );
352                 }
353             }
354         }
355 
356         // Store coupons
357         if ( $applied_coupons = WC()->cart->get_coupons() ) {
358             foreach ( $applied_coupons as $code => $coupon ) {
359 
360                 $item_id = wc_add_order_item( $order_id, array(
361                     'order_item_name'       => $code,
362                     'order_item_type'       => 'coupon'
363                 ) );
364 
365                 // Add line item meta
366                 if ( $item_id ) {
367                     wc_add_order_item_meta( $item_id, 'discount_amount', isset( WC()->cart->coupon_discount_amounts[ $code ] ) ? WC()->cart->coupon_discount_amounts[ $code ] : 0 );
368                 }
369             }
370         }
371 
372         if ( $this->payment_method ) {
373             update_post_meta( $order_id, '_payment_method',         $this->payment_method->id );
374             update_post_meta( $order_id, '_payment_method_title',   $this->payment_method->get_title() );
375         }
376         if ( empty( $this->posted['billing_email'] ) && is_user_logged_in() ) {
377             $current_user = wp_get_current_user();
378             update_post_meta( $order_id, '_billing_email', $current_user->user_email );
379         }
380         update_post_meta( $order_id, '_order_shipping',         wc_format_decimal( WC()->cart->shipping_total ) );
381         update_post_meta( $order_id, '_order_discount',         wc_format_decimal( WC()->cart->get_order_discount_total() ) );
382         update_post_meta( $order_id, '_cart_discount',          wc_format_decimal( WC()->cart->get_cart_discount_total() ) );
383         update_post_meta( $order_id, '_order_tax',              wc_format_decimal( WC()->cart->tax_total ) );
384         update_post_meta( $order_id, '_order_shipping_tax',     wc_format_decimal( WC()->cart->shipping_tax_total ) );
385         update_post_meta( $order_id, '_order_total',            wc_format_decimal( WC()->cart->total, get_option( 'woocommerce_price_num_decimals' ) ) );
386 
387         update_post_meta( $order_id, '_order_key',              'wc_' . apply_filters('woocommerce_generate_order_key', uniqid('order_') ) );
388         update_post_meta( $order_id, '_customer_user',          absint( $this->customer_id ) );
389         update_post_meta( $order_id, '_order_currency',         get_woocommerce_currency() );
390         update_post_meta( $order_id, '_prices_include_tax',     get_option( 'woocommerce_prices_include_tax' ) );
391         update_post_meta( $order_id, '_customer_ip_address',    isset( $_SERVER['HTTP_X_FORWARDED_FOR'] ) ? $_SERVER['HTTP_X_FORWARDED_FOR'] : $_SERVER['REMOTE_ADDR'] );
392         update_post_meta( $order_id, '_customer_user_agent',    isset( $_SERVER['HTTP_USER_AGENT'] ) ? $_SERVER['HTTP_USER_AGENT'] : '' );
393 
394         // Let plugins add meta
395         do_action( 'woocommerce_checkout_update_order_meta', $order_id, $this->posted );
396 
397         // Order status
398         wp_set_object_terms( $order_id, 'pending', 'shop_order_status' );
399 
400         return $order_id;
401     }
402 
403     /**
404      * Process the checkout after the confirm order button is pressed
405      *
406      * @access public
407      * @return void
408      */
409     public function process_checkout() {
410         global $wpdb, $current_user;
411 
412         wp_verify_nonce( $_POST['_wpnonce'], 'woocommerce-process_checkout' );
413 
414         if ( ! defined( 'WOOCOMMERCE_CHECKOUT' ) )
415             define( 'WOOCOMMERCE_CHECKOUT', true );
416 
417         // Prevent timeout
418         @set_time_limit(0);
419 
420         do_action( 'woocommerce_before_checkout_process' );
421 
422         if ( sizeof( WC()->cart->get_cart() ) == 0 )
423             wc_add_notice( sprintf( __( 'Sorry, your session has expired. <a href="%s" class="wc-backward">Return to homepage</a>', 'woocommerce' ), home_url() ), 'error' );
424 
425         do_action( 'woocommerce_checkout_process' );
426 
427         // Checkout fields (not defined in checkout_fields)
428         $this->posted['terms']                     = isset( $_POST['terms'] ) ? 1 : 0;
429         $this->posted['createaccount']             = isset( $_POST['createaccount'] ) ? 1 : 0;
430         $this->posted['payment_method']            = isset( $_POST['payment_method'] ) ? stripslashes( $_POST['payment_method'] ) : '';
431         $this->posted['shipping_method']           = isset( $_POST['shipping_method'] ) ? $_POST['shipping_method'] : '';
432         $this->posted['ship_to_different_address'] = isset( $_POST['ship_to_different_address'] ) ? true : false;
433 
434         if ( isset( $_POST['shiptobilling'] ) ) {
435             _deprecated_argument( 'WC_Checkout::process_checkout()', '2.1', 'The "shiptobilling" field is deprecated. THe template files are out of date' );
436 
437             $this->posted['ship_to_different_address'] = $_POST['shiptobilling'] ? false : true;
438         }
439 
440         // Ship to billing only option
441         if ( WC()->cart->ship_to_billing_address_only() )
442             $this->posted['ship_to_different_address']  = false;
443 
444         // Update customer shipping and payment method to posted method
445         $chosen_shipping_methods = WC()->session->get( 'chosen_shipping_methods' );
446 
447         if ( isset( $this->posted['shipping_method'] ) && is_array( $this->posted['shipping_method'] ) ) {
448             foreach ( $this->posted['shipping_method'] as $i => $value ) {
449                 $chosen_shipping_methods[ $i ] = wc_clean( $value );
450             }
451         }
452 
453         WC()->session->set( 'chosen_shipping_methods', $chosen_shipping_methods );
454         WC()->session->set( 'chosen_payment_method', $this->posted['payment_method'] );
455 
456         // Note if we skip shipping
457         $skipped_shipping = false;
458 
459         // Get posted checkout_fields and do validation
460         foreach ( $this->checkout_fields as $fieldset_key => $fieldset ) {
461 
462             // Skip shipping if not needed
463             if ( $fieldset_key == 'shipping' && ( $this->posted['ship_to_different_address'] == false || ! WC()->cart->needs_shipping() ) ) {
464                 $skipped_shipping = true;
465                 continue;
466             }
467 
468             // Ship account if not needed
469             if ( $fieldset_key == 'account' && ( is_user_logged_in() || ( $this->must_create_account == false && empty( $this->posted['createaccount'] ) ) ) ) {
470                 continue;
471             }
472 
473             foreach ( $fieldset as $key => $field ) {
474 
475                 if ( ! isset( $field['type'] ) )
476                     $field['type'] = 'text';
477 
478                 // Get Value
479                 switch ( $field['type'] ) {
480                     case "checkbox" :
481                         $this->posted[ $key ] = isset( $_POST[ $key ] ) ? 1 : 0;
482                     break;
483                     case "multiselect" :
484                         $this->posted[ $key ] = isset( $_POST[ $key ] ) ? implode( ', ', array_map( 'wc_clean', $_POST[ $key ] ) ) : '';
485                     break;
486                     case "textarea" :
487                         $this->posted[ $key ] = isset( $_POST[ $key ] ) ? wp_strip_all_tags( wp_check_invalid_utf8( stripslashes( $_POST[ $key ] ) ) ) : '';
488                     break;
489                     default :
490                         $this->posted[ $key ] = isset( $_POST[ $key ] ) ? wc_clean( $_POST[ $key ] ) : '';
491                     break;
492                 }
493 
494                 // Hooks to allow modification of value
495                 $this->posted[ $key ] = apply_filters( 'woocommerce_process_checkout_' . sanitize_title( $field['type'] ) . '_field', $this->posted[ $key ] );
496                 $this->posted[ $key ] = apply_filters( 'woocommerce_process_checkout_field_' . $key, $this->posted[ $key ] );
497 
498                 // Validation: Required fields
499                 if ( isset( $field['required'] ) && $field['required'] && empty( $this->posted[ $key ] ) )
500                     wc_add_notice( '<strong>' . $field['label'] . '</strong> ' . __( 'is a required field.', 'woocommerce' ), 'error' );
501 
502                 if ( ! empty( $this->posted[ $key ] ) ) {
503 
504                     // Validation rules
505                     if ( ! empty( $field['validate'] ) && is_array( $field['validate'] ) ) {
506                         foreach ( $field['validate'] as $rule ) {
507                             switch ( $rule ) {
508                                 case 'postcode' :
509                                     $this->posted[ $key ] = strtoupper( str_replace( ' ', '', $this->posted[ $key ] ) );
510 
511                                     if ( ! WC_Validation::is_postcode( $this->posted[ $key ], $_POST[ $fieldset_key . '_country' ] ) ) :
512                                         wc_add_notice( __( 'Please enter a valid postcode/ZIP.', 'woocommerce' ), 'error' );
513                                     else :
514                                         $this->posted[ $key ] = wc_format_postcode( $this->posted[ $key ], $_POST[ $fieldset_key . '_country' ] );
515                                     endif;
516                                 break;
517                                 case 'phone' :
518                                     $this->posted[ $key ] = wc_format_phone_number( $this->posted[ $key ] );
519 
520                                     if ( ! WC_Validation::is_phone( $this->posted[ $key ] ) )
521                                         wc_add_notice( '<strong>' . $field['label'] . '</strong> ' . __( 'is not a valid phone number.', 'woocommerce' ), 'error' );
522                                 break;
523                                 case 'email' :
524                                     $this->posted[ $key ] = strtolower( $this->posted[ $key ] );
525 
526                                     if ( ! is_email( $this->posted[ $key ] ) )
527                                         wc_add_notice( '<strong>' . $field['label'] . '</strong> ' . __( 'is not a valid email address.', 'woocommerce' ), 'error' );
528                                 break;
529                                 case 'state' :
530                                     // Get valid states
531                                     $valid_states = WC()->countries->get_states( $_POST[ $fieldset_key . '_country' ] );
532                                     if ( $valid_states )
533                                         $valid_state_values = array_flip( array_map( 'strtolower', $valid_states ) );
534 
535                                     // Convert value to key if set
536                                     if ( isset( $valid_state_values[ strtolower( $this->posted[ $key ] ) ] ) )
537                                          $this->posted[ $key ] = $valid_state_values[ strtolower( $this->posted[ $key ] ) ];
538 
539                                     // Only validate if the country has specific state options
540                                     if ( $valid_states && sizeof( $valid_states ) > 0 )
541                                         if ( ! in_array( $this->posted[ $key ], array_keys( $valid_states ) ) )
542                                             wc_add_notice( '<strong>' . $field['label'] . '</strong> ' . __( 'is not valid. Please enter one of the following:', 'woocommerce' ) . ' ' . implode( ', ', $valid_states ), 'error' );
543                                 break;
544                             }
545                         }
546                     }
547                 }
548             }
549         }
550 
551         // Update customer location to posted location so we can correctly check available shipping methods
552         if ( isset( $this->posted['billing_country'] ) )
553             WC()->customer->set_country( $this->posted['billing_country'] );
554         if ( isset( $this->posted['billing_state'] ) )
555             WC()->customer->set_state( $this->posted['billing_state'] );
556         if ( isset( $this->posted['billing_postcode'] ) )
557             WC()->customer->set_postcode( $this->posted['billing_postcode'] );
558 
559         // Shipping Information
560         if ( ! $skipped_shipping ) {
561 
562             // Update customer location to posted location so we can correctly check available shipping methods
563             if ( isset( $this->posted['shipping_country'] ) )
564                 WC()->customer->set_shipping_country( $this->posted['shipping_country'] );
565             if ( isset( $this->posted['shipping_state'] ) )
566                 WC()->customer->set_shipping_state( $this->posted['shipping_state'] );
567             if ( isset( $this->posted['shipping_postcode'] ) )
568                 WC()->customer->set_shipping_postcode( $this->posted['shipping_postcode'] );
569 
570         } else {
571 
572             // Update customer location to posted location so we can correctly check available shipping methods
573             if ( isset( $this->posted['billing_country'] ) )
574                 WC()->customer->set_shipping_country( $this->posted['billing_country'] );
575             if ( isset( $this->posted['billing_state'] ) )
576                 WC()->customer->set_shipping_state( $this->posted['billing_state'] );
577             if ( isset( $this->posted['billing_postcode'] ) )
578                 WC()->customer->set_shipping_postcode( $this->posted['billing_postcode'] );
579 
580         }
581 
582         // Update cart totals now we have customer address
583         WC()->cart->calculate_totals();
584 
585         // Terms
586         if ( ! isset( $_POST['woocommerce_checkout_update_totals'] ) && empty( $this->posted['terms'] ) && wc_get_page_id( 'terms' ) > 0 )
587             wc_add_notice( __( 'You must accept our Terms &amp; Conditions.', 'woocommerce' ), 'error' );
588 
589         if ( WC()->cart->needs_shipping() ) {
590 
591             if ( ! in_array( WC()->customer->get_shipping_country(), array_keys( WC()->countries->get_shipping_countries() ) ) )
592                 wc_add_notice( sprintf( __( 'Unfortunately <strong>we do not ship to %s</strong>. Please enter an alternative shipping address.', 'woocommerce' ), WC()->countries->shipping_to_prefix() . ' ' . WC()->customer->get_shipping_country() ), 'error' );
593 
594             // Validate Shipping Methods
595             $packages               = WC()->shipping->get_packages();
596             $this->shipping_methods = WC()->session->get( 'chosen_shipping_methods' );
597 
598             foreach ( $packages as $i => $package ) {
599                 if ( ! isset( $package['rates'][ $this->shipping_methods[ $i ] ] ) ) {
600                     wc_add_notice( __( 'Invalid shipping method.', 'woocommerce' ), 'error' );
601                     $this->shipping_methods[ $i ] = '';
602                 }
603             }
604         }
605 
606         if ( WC()->cart->needs_payment() ) {
607 
608             // Payment Method
609             $available_gateways = WC()->payment_gateways->get_available_payment_gateways();
610 
611             if ( ! isset( $available_gateways[ $this->posted['payment_method'] ] ) ) {
612                 $this->payment_method = '';
613                 wc_add_notice( __( 'Invalid payment method.', 'woocommerce' ), 'error' );
614             } else {
615                 $this->payment_method = $available_gateways[ $this->posted['payment_method'] ];
616                 $this->payment_method->validate_fields();
617             }
618         }
619 
620         // Action after validation
621         do_action( 'woocommerce_after_checkout_validation', $this->posted );
622 
623         if ( ! isset( $_POST['woocommerce_checkout_update_totals'] ) && wc_notice_count( 'error' ) == 0 ) {
624 
625             try {
626 
627                 // Customer accounts
628                 $this->customer_id = apply_filters( 'woocommerce_checkout_customer_id', get_current_user_id() );
629 
630                 if ( ! is_user_logged_in() && ( $this->must_create_account || ! empty( $this->posted['createaccount'] ) ) ) {
631 
632                     $username     = ! empty( $this->posted['account_username'] ) ? $this->posted['account_username'] : '';
633                     $password     = ! empty( $this->posted['account_password'] ) ? $this->posted['account_password'] : '';
634                     $new_customer = wc_create_new_customer( $this->posted['billing_email'], $username, $password );
635 
636                     if ( is_wp_error( $new_customer ) )
637                         throw new Exception( $new_customer->get_error_message() );
638 
639                     $this->customer_id = $new_customer;
640 
641                     wc_set_customer_auth_cookie( $this->customer_id );
642 
643                     // As we are now logged in, checkout will need to refresh to show logged in data
644                     WC()->session->set( 'reload_checkout', true );
645 
646                     // Add customer info from other billing fields
647                     if ( $this->posted['billing_first_name'] && apply_filters( 'woocommerce_checkout_update_customer_data', true, $this ) ) {
648                         $userdata = array( 
649                             'ID'           => $this->customer_id, 
650                             'first_name'   => $this->posted['billing_first_name'] ? $this->posted['billing_first_name'] : '', 
651                             'last_name'    => $this->posted['billing_last_name'] ? $this->posted['billing_last_name'] : '',
652                             'display_name' => $this->posted['billing_first_name'] ? $this->posted['billing_first_name'] : ''
653                         );
654                         wp_update_user( apply_filters( 'woocommerce_checkout_customer_userdata', $userdata, $this ) );
655                     }
656                 }
657 
658                 // Do a final stock check at this point
659                 $this->check_cart_items();
660 
661                 // Abort if errors are present
662                 if ( wc_notice_count( 'error' ) > 0 )
663                     throw new Exception();
664 
665                 $order_id = $this->create_order();
666 
667                 do_action( 'woocommerce_checkout_order_processed', $order_id, $this->posted );
668 
669                 // Process payment
670                 if ( WC()->cart->needs_payment() ) {
671 
672                     // Store Order ID in session so it can be re-used after payment failure
673                     WC()->session->order_awaiting_payment = $order_id;
674 
675                     // Process Payment
676                     $result = $available_gateways[ $this->posted['payment_method'] ]->process_payment( $order_id );
677 
678                     // Redirect to success/confirmation/payment page
679                     if ( $result['result'] == 'success' ) {
680 
681                         $result = apply_filters( 'woocommerce_payment_successful_result', $result, $order_id );
682 
683                         if ( is_ajax() ) {
684                             echo '<!--WC_START-->' . json_encode( $result ) . '<!--WC_END-->';
685                             exit;
686                         } else {
687                             wp_redirect( $result['redirect'] );
688                             exit;
689                         }
690 
691                     }
692 
693                 } else {
694 
695                     if ( empty( $order ) )
696                         $order = new WC_Order( $order_id );
697 
698                     // No payment was required for order
699                     $order->payment_complete();
700 
701                     // Empty the Cart
702                     WC()->cart->empty_cart();
703 
704                     // Get redirect
705                     $return_url = $order->get_checkout_order_received_url();
706 
707                     // Redirect to success/confirmation/payment page
708                     if ( is_ajax() ) {
709                         echo '<!--WC_START-->' . json_encode(
710                             array(
711                                 'result'    => 'success',
712                                 'redirect'  => apply_filters( 'woocommerce_checkout_no_payment_needed_redirect', $return_url, $order )
713                             )
714                         ) . '<!--WC_END-->';
715                         exit;
716                     } else {
717                         wp_safe_redirect(
718                             apply_filters( 'woocommerce_checkout_no_payment_needed_redirect', $return_url, $order )
719                         );
720                         exit;
721                     }
722 
723                 }
724 
725             } catch ( Exception $e ) {
726 
727                 if ( ! empty( $e ) )
728                     wc_add_notice( $e->getMessage(), 'error' );
729 
730             }
731 
732         } // endif
733 
734         // If we reached this point then there were errors
735         if ( is_ajax() ) {
736 
737             ob_start();
738             wc_print_notices();
739             $messages = ob_get_clean();
740 
741             echo '<!--WC_START-->' . json_encode(
742                 array(
743                     'result'    => 'failure',
744                     'messages'  => $messages,
745                     'refresh'   => isset( WC()->session->refresh_totals ) ? 'true' : 'false',
746                     'reload'    => isset( WC()->session->reload_checkout ) ? 'true' : 'false'
747                 )
748             ) . '<!--WC_END-->';
749 
750             unset( WC()->session->refresh_totals, WC()->session->reload_checkout );
751             exit;
752         }
753     }
754 
755 
756     /**
757      * Gets the value either from the posted data, or from the users meta data
758      *
759      * @access public
760      * @param string $input
761      * @return string|null
762      */
763     public function get_value( $input ) {
764         if ( ! empty( $_POST[ $input ] ) ) {
765 
766             return wc_clean( $_POST[ $input ] );
767 
768         } else {
769 
770             $value = apply_filters( 'woocommerce_checkout_get_value', null, $input );
771 
772             if ( $value !== null )
773                 return $value;
774 
775             if ( is_user_logged_in() ) {
776 
777                 $current_user = wp_get_current_user();
778 
779                 if ( $meta = get_user_meta( $current_user->ID, $input, true ) )
780                     return $meta;
781 
782                 if ( $input == "billing_email" )
783                     return $current_user->user_email;
784             }
785 
786             switch ( $input ) {
787                 case "billing_country" :
788                     return apply_filters( 'default_checkout_country', WC()->customer->get_country() ? WC()->customer->get_country() : WC()->countries->get_base_country(), 'billing' );
789                 case "billing_state" :
790                     return apply_filters( 'default_checkout_state', WC()->customer->has_calculated_shipping() ? WC()->customer->get_state() : '', 'billing' );
791                 case "billing_postcode" :
792                     return apply_filters( 'default_checkout_postcode', WC()->customer->get_postcode() ? WC()->customer->get_postcode() : '', 'billing' );
793                 case "shipping_country" :
794                     return apply_filters( 'default_checkout_country', WC()->customer->get_shipping_country() ? WC()->customer->get_shipping_country() : WC()->countries->get_base_country(), 'shipping' );
795                 case "shipping_state" :
796                     return apply_filters( 'default_checkout_state', WC()->customer->has_calculated_shipping() ? WC()->customer->get_shipping_state() : '', 'shipping' );
797                 case "shipping_postcode" :
798                     return apply_filters( 'default_checkout_postcode', WC()->customer->get_shipping_postcode() ? WC()->customer->get_shipping_postcode() : '', 'shipping' );
799                 default :
800                     return apply_filters( 'default_checkout_' . $input, null, $input );
801             }
802         }
803     }
804 }
805 
WooCommerce API documentation generated by ApiGen 2.8.0