ogheartbeat.inc in Heartbeat 6.4

File

modules/og_activity/ogheartbeat.inc

<?php

/**
 * @file
 *   HeartbeatAccess stream object for organic group activity
 */
heartbeat_include('HeartbeatAccess');

/**
 * Class OgHeartbeat
 * Concrete class to prepare messages for the current user
 * and all of his/her relations.
 *
 */
class OgHeartbeat extends HeartbeatAccess {
  protected $_gid = 0;
  protected $_group_access = FALSE;
  protected $group = NULL;
  public function construct() {

    // Where the user id is a member of the group
    // and where the nid target is the group nid
    $this
      ->setGroup();
  }

  /**
   * Skip active user.
   * We never want to skip the active user.
   */
  public function skipActiveUser() {
    return FALSE;
  }

  /**
   * hasAccess
   *
   * Checks access for this stream.
   */
  protected function hasAccess() {

    // If the user has access to this node (member or public group).
    if (isset($this->group) && (og_is_group_member($this->group) || $this->group->og_private == 0)) {
      $this->_group_access = TRUE;
    }
    if (!isset($this->group)) {
      $this
        ->setError('We are not in a group context.');
    }
    return $this->_group_access;
  }

  /**
   * getGroup
   */
  public function getGroup() {
    return $this->group;
  }

  /**
   * setGroup
   *
   * Sets the group for a given node ID.
   * @param Integer $nid
   *   The group node ID.
   */
  private function setGroup($nid = 0) {

    // Set the group by nid argument.
    if ($nid != 0) {
      $this->_gid = $nid;
      $this->group = node_load($nid);
      return;
    }
    elseif (!empty($_REQUEST['group_nid'])) {
      $this->_gid = $_REQUEST['group_nid'];
      $this->group = node_load($this->_gid);
    }

    // Set the group from the space.
    if (module_exists('spaces_og')) {
      if ($space = spaces_get_space()) {
        if ($space->type == 'og') {
          $this->_gid = $space->id;
          $this->group = $space->group;
          return;
        }
      }
    }

    // Set the group via current group context.
    if ($group = og_get_group_context()) {
      $this->_gid = $group->nid;
      $this->group = $group;
      return;
    }

    // Try to set the group from the node ID.
    if (arg(0) == 'node' && is_numeric(arg(1))) {
      if ($node = node_load(arg(1))) {
        if (og_is_group_type($node->type)) {
          $this->_gid = $node->nid;
          $this->group = $node;
          return;
        }
        elseif (og_is_group_post_type($node->type)) {
          $this->_gid = current($node->og_groups);
          $this->group = node_load($this->_gid);
          return;
        }
      }
    }
  }

  /**
   * dressUpMessages
   *
   * @param HeartbeatParser $heartbeat
   *   The parser for the messages in this stream.
   */
  public function dressUpMessages(HeartbeatParser $heartbeat) {
    $sql = " AND ua.nid <> 0 AND (ua.nid = %d OR ua.nid_target = %d) ";
    $heartbeat->raw_messages = $this
      ->resultSql($sql, array(
      $this->_gid,
      $this->_gid,
    ));
    return $heartbeat;
  }

  /**
   * Function to add a part of a sql to a query built by views UI
   *
   * @param object $view The view handler object by reference to add our part to the query
   */
  public function addViewQuery(&$view) {

    // Make the sql limited to the access
    $field = "{$view->table_alias}.{$view->real_field}";
    $view->query
      ->set_where_group('AND', 'extra');
    $sql = "{$view->table_alias}.nid <> 0 AND ( {$view->table_alias}.nid = %d OR {$view->table_alias}.nid_target = %d ) ";
    $view->query
      ->add_where('extra', $sql, $this->_gid, $this->_gid);
  }

}

Classes

Name	Description
OgHeartbeat	Class OgHeartbeat Concrete class to prepare messages for the current user and all of his/her relations.