disqus_migrate.module in Disqus 6

File

disqus_migrate.module

<?php

/**
 * Implementation of hook_help
 */
function disqus_migrate_help($path, $arg) {
  switch ($path) {
    case 'admin/settings/disqus/export':
      return '<p>' . t('When you are ready to perform an export, visit !thispage.', array(
        '!thispage' => l('this page', 'admin/content/comment/disqus_export'),
      )) . '</p>';
    case 'admin/content/comment/disqus_export':
      return '<p>' . t('Exporting via the API requires that you have registered your website as an application with Disqus and filled our your ' . 'private and public keys in the !mainsettings. Exporting via XML will just gather all of your websites comments ' . 'and format them for importing manually into Disqus. The recommended method is using the API. Visit the !exportsettings ' . 'to customize how these exports are performed.', array(
        '!exportsettings' => l('export settings', 'admin/settings/disqus/export'),
        '!mainsettings' => l('main settings', 'admin/settings/disqus'),
      )) . '</p>';
  }
}

/**
 * Implementation of hook_menu().
 */
function disqus_migrate_menu() {
  $items = array();
  $items['admin/settings/disqus/import'] = array(
    'title' => 'Import',
    'description' => 'Settings for importing comments from Disqus into Drupal.',
    'access arguments' => array(
      'administer disqus',
    ),
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      'disqus_migrate_admin_import_settings',
    ),
    'file' => 'include/disqus_migrate.import.inc',
    'type' => MENU_LOCAL_TASK,
  );
  $items['admin/content/comment/disqus_import'] = array(
    'title' => 'Disqus Import',
    'description' => 'Import comments from Disqus into Drupal.',
    'access arguments' => array(
      'administer disqus',
    ),
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      'disqus_migrate_admin_import',
    ),
    'file' => 'include/disqus_migrate.import.inc',
    'type' => MENU_LOCAL_TASK,
  );
  $items['admin/settings/disqus/export'] = array(
    'title' => 'Export',
    'description' => 'Settings for exporting comments from Drupal into Disqus',
    'access arguments' => array(
      'administer disqus',
    ),
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      'disqus_migrate_admin_export_settings',
    ),
    'file' => 'include/disqus_migrate.export.inc',
    'type' => MENU_LOCAL_TASK,
  );
  $items['admin/content/comment/disqus_export'] = array(
    'title' => 'Disqus Export',
    'description' => 'Export comments from the Drupal to Disqus.',
    'access arguments' => array(
      'administer disqus',
    ),
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      'disqus_migrate_admin_export',
    ),
    'file' => 'include/disqus_migrate.export.inc',
    'type' => MENU_LOCAL_TASK,
  );
  return $items;
}

/**
 * Implementation of hook_cron
 **/
function disqus_migrate_cron() {
  if (variable_get('disqus_migrate_sync_enabled', 0) == 0) {
    return;
  }
  $last_run = variable_get('disqus_migrate_last_sync', 0);
  $interval = variable_get('disqus_migrate_sync_interval', 0);

  // How much time elapsed since the last run?
  $time_elapsed = time() - $last_run;

  // Not enough?
  if ($time_elapsed < $interval) {
    return;

    // Don't run the interval
  }

  // Run sync
  module_load_include('inc', 'disqus_migrate', 'include/disqus_migrate.import');
  $last_synced_time = _disqus_migrate_last_synced_time();
  _disqus_migrate_import($last_synced_time + 1);

  // Update our last sync time
  variable_set('disqus_migrate_last_sync', time());
}

/**
 * Helper function to send the API requests to Disqus
 */
function _disqus_migrate_api_request($resource, $parameters = array(), $method = 'GET', $include_forum = TRUE) {
  if ($include_forum) {
    $parameters['forum'] = variable_get('disqus_domain', '');
  }

  // Build the request URI and query
  $data = http_build_query($parameters, '', '&');
  $url = 'http://disqus.com/api/3.0/' . $resource . '?' . $data;
  $headers = array(
    'Content-Type' => 'application/x-www-form-urlencoded',
  );

  // Send request and return response
  $response = drupal_http_request($url, $headers, $method);
  $content = $response->data;
  $data = json_decode($content);
  return $data;
}

/**
 * Helper function to get the timestamp of the last synced comment
 */
function _disqus_migrate_last_synced_time() {

  // Get the timestamp of the comment that was synced last (if at all)
  $last_synced_time = db_result(db_query("SELECT MAX(c.timestamp) FROM {comments} c INNER JOIN {disqus_migrate} dm ON c.cid = dm.cid"));
  if (empty($last_synced_time)) {
    $last_synced_time = 0;
  }
  return $last_synced_time;
}

/**
 * Helper function to check for the existance of the Disqus API
 **/
function _disqus_migrate_api_exists() {
  if (file_exists('sites/all/libraries/disqusapi/disqusapi.php')) {
    return TRUE;
  }
  return FALSE;
}

/**
 * Helper function to load the Disqus API
 **/
function _disqus_migrate_api_load() {
  include_once 'sites/all/libraries/disqusapi/disqusapi.php';
}

Functions

Name	Description
disqus_migrate_cron	Implementation of hook_cron
disqus_migrate_help	Implementation of hook_help
disqus_migrate_menu	Implementation of hook_menu().
_disqus_migrate_api_exists	Helper function to check for the existance of the Disqus API
_disqus_migrate_api_load	Helper function to load the Disqus API
_disqus_migrate_api_request	Helper function to send the API requests to Disqus
_disqus_migrate_last_synced_time	Helper function to get the timestamp of the last synced comment