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function privatemsg_thread_change_delete in Privatemsg 7.2

Same name and namespace in other branches
  1. 6.2 privatemsg.module \privatemsg_thread_change_delete()
  2. 6 privatemsg.module \privatemsg_thread_change_delete()
  3. 7 privatemsg.module \privatemsg_thread_change_delete()

Delete or restore one or multiple threads.

Parameters

$threads: Array with thread id's or a single thread id.

$delete: Indicates if the threads should be deleted or restored. 1 => delete, 0 => restore.

$account: User account for which the delete action should be carried out - Set to NULL to delete for all users.

1 string reference to 'privatemsg_thread_change_delete'
privatemsg_privatemsg_thread_operations in ./privatemsg.module
Implements hook_privatemsg_thread_operations().

File

./privatemsg.module, line 2328
Allows users to send private messages to other users.

Code

function privatemsg_thread_change_delete($threads, $delete, $account = NULL) {
  if (!is_array($threads)) {
    $threads = array(
      $threads,
    );
  }
  if (empty($account)) {
    global $user;
    $account = clone $user;
  }

  // Record which messages will be deleted.
  $changed = db_select('pm_index', 'pmi')
    ->fields('pmi', array(
    'mid',
  ))
    ->condition('deleted', 0, $delete ? '=' : '>')
    ->condition('recipient', $account->uid)
    ->condition('type', array(
    'user',
    'hidden',
  ))
    ->condition('thread_id', $threads)
    ->execute()
    ->fetchCol();

  // Merge status and uid with the threads list. array_merge() will not overwrite/ignore thread_id 1.
  $delete_value = 0;
  if ($delete == TRUE) {
    $delete_value = REQUEST_TIME;
  }

  // Update the status of the threads.
  db_update('pm_index')
    ->fields(array(
    'deleted' => $delete_value,
  ))
    ->condition('recipient', $account->uid)
    ->condition('type', array(
    'user',
    'hidden',
  ))
    ->condition('thread_id', $threads)
    ->execute();

  // Allow modules to respond to the deleted changes.
  foreach ($changed as $mid) {
    module_invoke_all('privatemsg_message_status_deleted', $mid, $delete, $account);
  }
  if ($delete) {
    drupal_set_message(format_plural(count($threads), 'Deleted 1 thread.', 'Deleted @count threads.'));
  }
  else {
    drupal_set_message(format_plural(count($threads), 'Restored 1 thread.', 'Restored @count threads.'));
  }
}