civicrm_mer.module

<?php

function civicrm_mer_civicrm_config( &$config ) {
  $civicrm_mer_dir_path = dirname( __FILE__ );
  set_include_path( $civicrm_mer_dir_path . PATH_SEPARATOR .  get_include_path() );
  $civicrm_mer_template_dir_path = civicrm_mer_paths_join($civicrm_mer_dir_path, 'templates');
  $template =& CRM_Core_Smarty::singleton();
  if (is_array($template->template_dir)) 
  {
    array_push( $template->template_dir, $civicrm_mer_template_dir_path );
  }
  else 
  {
    $template->template_dir = array($civicrm_mer_template_dir_path, $template->template_dir);
  }
}

function civicrm_mer_civicrm_pageRun( &$page ) {
  $template = $page->getTemplate( );
  $register_url = $template->get_template_vars( 'registerURL' );
  if ( !is_null( $register_url ) ) {
	require_once 'CRM/Event/BAO/Cart.php';
    $action  = CRM_Utils_Request::retrieve( 'action', 'String', $page, false );
    $event_id = CRM_Utils_Request::retrieve( 'id', 'Positive', $page, true );
    $cart = CRM_Event_BAO_Cart::find_or_create_for_current_session( );
    $cart->load_associations( );
    $in_cart = false;
    foreach ( $cart->events_in_carts as $event_in_cart ) {
      if ($event_id == $event_in_cart->event->id)  {
          $in_cart = true;
          break;
      } 
    }

    if ( $action == CRM_Core_Action::PREVIEW ) {
      if ($in_cart) {
        $register_url = CRM_Utils_System::url( 'civicrm/event/remove_from_cart', "id={$event_id}&reset=1&action=preview", true, null, true, true );
      } else {
        $register_url = CRM_Utils_System::url( 'civicrm/event/add_to_cart', "id={$event_id}&reset=1&action=preview", true, null, true, true );
      }
    }
    else {
      if ($in_cart) {
         $register_url = CRM_Utils_System::url( 'civicrm/event/remove_from_cart', "id={$event_id}&reset=1", true, null, true, true );
      } else {
         $register_url = CRM_Utils_System::url( 'civicrm/event/add_to_cart', "id={$event_id}&reset=1", true, null, true, true );
      }
    }
    $page->assign( 'registerURL', $register_url );
  }
}

function civicrm_mer_civicrm_xmlMenu( &$files ) {
  $menu_files_path = civicrm_mer_paths_join( getcwd( ), drupal_get_path( 'module', 'civicrm_mer' ), "CRM", "Event", "xml", "Menu" );
  $menu_files_paths = CRM_Utils_File::getFilesByExtension( $menu_files_path, "xml" );
  $files = array_merge( $files, $menu_files_paths );
  return $files;
}

function civicrm_mer_init( ) {
  if ( ! civicrm_initialize( ) ) {
    return;
  }

  if ( arg(0) != 'civicrm' ) {
    $session = CRM_Core_Session::singleton( );
    if ( $session->getStatus( false ) ) {
      $status = $session->getStatus( true );
      if ( is_array( $status ) ) {
	foreach ( $status as $key => $value )  {
	  drupal_set_message ( $value, $key );
	}
      }
      else
      {
	drupal_set_message( $status, 'status' );
      }
    }
  }
}

function civicrm_mer_paths_join( ) {
  return join( DIRECTORY_SEPARATOR, func_get_args( ) );
}

function civicrm_mer_perm ( ) {
  return null;
}

function civicrm_mer_views_api() {
  return array(
    'api' => 2,
  );
}


?>