amazon_versions.module in Amazon Product Advertisement API 6

File

amazon_versions/amazon_versions.module

<?php

/**
 * Amazon Versions
 *
 * Retrieves and stores a list of alternate ASIN numbers for each product.
 */

/**
 * Implementation of hook_amazon_response_groups_alter().
 */
function amazon_versions_amazon_response_groups_alter(&$groups) {
  $groups[] = 'AlternateVersions';
}

/**
 * Implementation of hook_amazon_item_clean_xml().
 */
function amazon_versions_amazon_item_clean_xml(&$item, $xml) {
  if (isset($xml->AlternateVersions->AlternateVersion)) {
    foreach ($xml->AlternateVersions->AlternateVersion as $data) {
      $version = array();
      $version['asin'] = (string) $data->ASIN;
      $version['title'] = (string) $data->Title;
      $version['binding'] = (string) $data->Binding;
      $item['alternateversions'][] = $version;
    }
  }
}

/**
 * Implementation of hook_amazon_item_load().
 */
function amazon_versions_amazon_item_load($item) {
  $alternates = array();
  $item_ids = array();
  $result = db_query("SELECT asin, title, binding FROM {amazon_versions} WHERE item = '%s' ORDER BY delta ASC", $item['asin']);
  while ($version = db_fetch_array($result)) {
    $alternates[] = $version;
    $item_ids[] = $version['asin'];
  }
  if (module_exists('amazon_import')) {
    $node_ids = amazon_import_get_product_nodes($item_ids);
    foreach ($alternates as $key => $version) {
      if (!empty($node_ids[$version['asin']])) {
        $alternates[$key]['nid'] = $node_ids[$version['asin']];
      }
    }
  }
  $additions['alternateversions'] = $alternates;
  if (isset($additions)) {
    return $additions;
  }
}

/**
 * Implementation of hook_amazon_item_insert().
 */
function amazon_versions_amazon_item_insert($item) {
  if (empty($item['alternateversions'])) {
    return;
  }
  $delta = 0;
  foreach ($item['alternateversions'] as $version) {
    $version['item'] = $item['asin'];
    $version['delta'] = $delta;
    drupal_write_record('amazon_versions', $version);
    ++$delta;
  }
}

/**
 * Implementation of hook_amazon_item_delete().
 */
function amazon_versions_amazon_item_delete($asin) {
  db_query("DELETE FROM {amazon_versions} WHERE item = '%s'", $asin);
}

Functions

Name	Description
amazon_versions_amazon_item_clean_xml	Implementation of hook_amazon_item_clean_xml().
amazon_versions_amazon_item_delete	Implementation of hook_amazon_item_delete().
amazon_versions_amazon_item_insert	Implementation of hook_amazon_item_insert().
amazon_versions_amazon_item_load	Implementation of hook_amazon_item_load().
amazon_versions_amazon_response_groups_alter	Implementation of hook_amazon_response_groups_alter().