authcache_ubercart.module in Authenticated User Page Caching (Authcache) 7.2

Authcache support for Ubercart.

File

modules/authcache_ubercart/authcache_ubercart.module

<?php

/**
 * @file
 * Authcache support for Ubercart.
 */

/**
 * Implements hook_form_FORM_ID_alter().
 *
 * Remove the uid value from the ubercart add-to-cart form.
 */
function authcache_ubercart_form_uc_product_add_to_cart_form_alter(&$form, &$form_state) {
  if (authcache_page_is_cacheable()) {

    // Neither 'nid' nor 'node' value elements do contain any per-user data,
    // thus just mark them cacheable.
    if (isset($form['nid'])) {
      authcache_element_set_cacheable($form['nid']);
    }
    if (isset($form['node'])) {
      authcache_element_set_cacheable($form['node']);
    }
  }
}

/**
 * Implements hook_module_implements_alter().
 *
 * @todo: Remove when https://www.drupal.org/node/2885388 is resolved.
 *
 * Make sure that hook_form_alter of this module is called before all other
 * modules in order to beat the main authcache module.
 */
function authcache_ubercart_module_implements_alter(&$implementations, $hook) {
  if ($hook === 'form_alter') {
    $me = $implementations['authcache_ubercart'];
    unset($implementations['authcache_ubercart']);
    $implementations = array_merge(array(
      'authcache_ubercart' => $me,
    ), $implementations);
  }
}

/**
 * Implements hook_form_alter().
 *
 * @todo: Remove when https://www.drupal.org/node/2885388 is resolved.
 */
function authcache_ubercart_form_alter(&$form, &$form_state) {
  if (isset($form_state['build_info']['base_form_id']) && $form_state['build_info']['base_form_id'] === 'uc_product_add_to_cart_form') {

    // The Ubercart Attributes module adds a form element 'attributes' => NULL
    // in the add-to-cart form for products which do not have any product
    // attributes. Authcache Form chockes on that, so let's just remove it.
    // @see https://www.drupal.org/node/2885086
    // @see uc_attribute_uc_form_alter()
    if (isset($form['products']) || isset($form['sub_products'])) {
      if (isset($form['products'])) {
        $element =& $form['products'];
      }
      else {
        $element =& $form['sub_products'];
      }
      foreach (element_children($element) as $key) {
        if (empty($element['attributes'])) {
          unset($element['attributes']);
        }
      }
    }
    elseif (empty($form['attributes'])) {
      unset($form['attributes']);
    }
  }
}

Functions

Name	Description
authcache_ubercart_form_alter	Implements hook_form_alter().
authcache_ubercart_form_uc_product_add_to_cart_form_alter	Implements hook_form_FORM_ID_alter().
authcache_ubercart_module_implements_alter	Implements hook_module_implements_alter().