<?php

/**
 * page callback: tag/%tag/%
 *
 * @param $tag
 *   The tag object.
 *
 * @param $action
 *   The action to be perform.
 */
function tag_action($tag, $action) {
  switch ($action) {
    case 'follow':
      tag_follow_save(NULL, array(
        'tid' => $tag->tid,
      ));
      set_message(t('You are now following %followee', array('%followee' => $tag->name)), 'success');
      break;
    case 'unfollow':
      global $user;
      if ($tag_follow = tag_follow_load(array('tid' => $tag->tid, 'uid' => $user->uid))) {
        tag_follow_delete($tag_follow);
      }
  }
  redirect('network/' . $tag->nid . '/tag/' . $tag->tid);
}

/**
 * page callback: tag/%tag/js/%
 *
 * @param $tag
 *   The tag object.
 *
 * @param $action
 *   The action to be perform.
 *
 * @return
 *   The JSON object.
 */
function tag_js($tag, $action) {
  switch ($action) {
    case 'follow':
      tag_follow_save(NULL, array(
        'tid' => $tag->tid,
      ));
      return json('SUCCESS');
      break;
    case 'unfollow':
      global $user;
      if ($tag_follow = tag_follow_load(array('tid' => $tag->tid, 'uid' => $user->uid))) {
        tag_follow_delete($tag_follow);
        return json('SUCCESS');
      }
      return json('FAIL');
  }
}

?>