diff --git a/commerce_coupon.info b/commerce_coupon.info index 95d5ef4..27784b0 100644 --- a/commerce_coupon.info +++ b/commerce_coupon.info @@ -13,4 +13,5 @@ files[] = includes/views/handlers/commerce_coupon_handler_field_coupon_edit.inc files[] = includes/views/handlers/commerce_coupon_handler_field_coupon_link.inc files[] = includes/views/handlers/commerce_coupon_handler_argument_coupon_id.inc files[] = includes/views/handlers/commerce_coupon_handler_argument_coupon_code.inc +files[] = includes/views/handlers/commerce_coupon_handler_area_cart_form.inc files[] = commerce_coupon.info.inc diff --git a/commerce_coupon.module b/commerce_coupon.module index 66a6a7e..f59b05f 100644 --- a/commerce_coupon.module +++ b/commerce_coupon.module @@ -788,7 +788,7 @@ function commerce_coupon_redeem_coupon_code($code, $order, &$error) { $coupon_wrapper = entity_metadata_wrapper('commerce_coupon', $coupon); - if (commerce_coupon_evaluate_conditions($coupon_wrapper, $order_wrapper)) { + if (empty($error) && commerce_coupon_evaluate_conditions($coupon_wrapper, $order_wrapper)) { // Add the coupon to the order. $order_wrapper->commerce_coupons[] = $coupon_wrapper->value(); diff --git a/includes/views/commerce_coupon.views.inc b/includes/views/commerce_coupon.views.inc index 231e606..ce2d723 100644 --- a/includes/views/commerce_coupon.views.inc +++ b/includes/views/commerce_coupon.views.inc @@ -74,6 +74,15 @@ function commerce_coupon_views_data_alter(&$data) { $data['commerce_coupon']['coupon_id']['argument'] = array( 'handler' => 'commerce_coupon_handler_argument_coupon_id', ); + + // Expose the coupon form on the cart form. + $data['commerce_order']['coupon_cart_form'] = array( + 'title' => t('Coupon cart form'), + 'help' => t('Coupon cart form'), + 'area' => array( + 'handler' => 'commerce_coupon_handler_area_cart_form', + ), + ); } } diff --git a/includes/views/handlers/commerce_coupon_handler_area_cart_form.inc b/includes/views/handlers/commerce_coupon_handler_area_cart_form.inc new file mode 100644 index 0000000..1659703 --- /dev/null +++ b/includes/views/handlers/commerce_coupon_handler_area_cart_form.inc @@ -0,0 +1,181 @@ + 'textfield', + '#title' => t('Form item weight'), + '#default_value' => $this->options['weight'], + '#required' => TRUE, + ); + } + + function options_validate(&$form, &$form_state) { + $weight = $form_state['values']['options']['weight']; + // Weight must be an integer: + if (!is_null($weight )&& (!is_numeric($weight)) || (int) $weight != $weight) { + form_set_error('options][weight', t('!name field must be an integer.', array('!name' => $form['weight']['#title']))); + } + } + + function render($values = FALSE) { + // Render a Views form item placeholder. + // This causes Views to wrap the View in a form. + return ''; + } + + /** + * This handler never outputs data when the view is empty. + */ + function views_form_empty($empty) { + return $empty; + } + + function views_form(&$form, &$form_state) { + + // Ensure this include file is loaded when the form is rebuilt from the cache. + $form_state['build_info']['files']['coupon_cart_form'] = drupal_get_path('module', 'commerce_coupon') . '/includes/views/handlers/commerce_coupon_handler_area_cart_form.inc'; + + $form[$this->options['id']] = array( + '#prefix' => '
', + '#suffix' => '
', + '#weight' => $this->options['weight'], + ); + + $form[$this->options['id']]['coupon_code'] = array( + '#type' => 'textfield', + '#title' => t('Coupon code'), + '#description' => t('Enter your coupon code here.'), + ); + + $form[$this->options['id']]['coupon_add'] = array( + '#type' => 'submit', + '#value' => t('Add coupon'), + '#name' => 'coupon_add', + // Limit validation to the coupon code. + '#limit_validation_errors' => array(array('coupon_code')), + '#validate' => array('commerce_coupon_handler_area_cart_form_validate'), + '#submit' => array('commerce_coupon_handler_area_cart_form_submit'), + ); + // Attach ajax if views ajax enabled. + if ($this->view->use_ajax) { + // @todo implement AJAX. + } + + // First look for an order_id argument. + foreach ($this->view->argument as $name => $argument) { + if ($argument instanceof commerce_order_handler_argument_order_order_id) { + // If it is single value... + if (count($argument->value) == 1) { + $order_id = reset($argument->value); + break; + } + } + } + $order = !empty($order_id) ? commerce_order_load($order_id) : commerce_cart_order_load($GLOBALS['user']->uid); + } +} + +/** + * Validate: function commerce_coupon_handler_area_cart_form + */ +function commerce_coupon_handler_area_cart_form_validate($form, $form_state) { + // Get the form and values for the coupon form. + $coupon_array_parents = array_slice($form_state['triggering_element']['#array_parents'], 0, -1); + $coupon_parents = array_slice($form_state['triggering_element']['#parents'], 0, -1); + $coupon_values = drupal_array_get_nested_value($form_state['values'], $coupon_parents); + $coupon_form = drupal_array_get_nested_value($form, $coupon_array_parents); + $coupon_code = $coupon_values['coupon_code']; + $order = $form_state['order']; + + $error = ''; + + // No code provided + if (empty($coupon_code)) { + $error = t('Please enter a coupon code.'); + } + else { + // Check if the coupon code has already been applied. + $coupon = commerce_coupon_load_by_code($coupon_code); + + if (empty($coupon)) { + $error = t('Please enter a valid coupon code.'); + } + else { + // The same coupon cannot be added twice. + $order_wrapper = entity_metadata_wrapper('commerce_order', $order); + foreach ($order_wrapper->commerce_coupons as $order_coupon_wrapper) { + if ($order_coupon_wrapper->coupon_id->value() == $coupon->coupon_id) { + $error = t('The coupon you have entered has already been applied to your order'); + } + } + } + } + + // If a coupon was invalidated during the cart refresh (e.g. if its + // discounts failed their conditions), an error message will have been + // set. + if (empty($error)) { + $error = &drupal_static('commerce_coupon_error_' . strtolower($coupon_code)); + } + // If we have errors set the form error. + if (!empty($error)) { + form_set_error(implode('][', $coupon_form['coupon_code']['#parents']), $error); + } +} + +/** + * Submit: function commerce_coupon_handler_area_cart_form + * + * @todo Anyway to rollback redeeming a coupon if we find an error during + * redemption? + */ +function commerce_coupon_handler_area_cart_form_submit($form, $form_state) { + // Get the values for the coupon form. + $coupon_parents = array_slice($form_state['triggering_element']['#parents'], 0, -1); + $coupon_values = drupal_array_get_nested_value($form_state['values'], $coupon_parents); + $coupon_code = $coupon_values['coupon_code']; + $order = $form_state['order']; + + $error = ''; + + // Redeem the coupon. + $coupon = commerce_coupon_redeem_coupon_code($coupon_code, $order, $error); + $order = commerce_order_load($order->order_id); + + // Error found during redeem. + if (!empty($error)) { + watchdog('commerce_coupon', 'An error occurred redeeming a coupon: @error', array('@error' => $error), WATCHDOG_ERROR); + drupal_set_message(t('Unable to redeem coupon.'), 'error'); + commerce_coupon_remove_coupon_from_order($order, $coupon); + } + + if ($coupon) { + // Allow modules/rules to act when a coupon has been successfully added + // to the cart. + rules_invoke_all('commerce_coupon_applied_to_cart', $coupon, $order); + } +}