function update_manager_batch_project_get

Implements callback_batch_operation().

Downloads, unpacks, and verifies a project.

This function assumes that the provided URL points to a file archive of some sort. The URL can have any scheme that we have a file stream wrapper to support. The file is downloaded to a local cache.

Parameters

string $project: The short name of the project to download.

string $url: The URL to download a specific project release archive file.

array $context: Reference to an array used for Batch API storage.

See also

update_manager_download_page()

Related topics

File

modules/update/update.manager.inc, line 869

Administrative screens and processing functions of the Update Manager module.

Code

function update_manager_batch_project_get($project, $url, &$context) {

  // This is here to show the user that we are in the process of downloading.
  if (!isset($context['sandbox']['started'])) {
    $context['sandbox']['started'] = TRUE;
    $context['message'] = t('Downloading %project', array(
      '%project' => $project,
    ));
    $context['finished'] = 0;
    return;
  }

  // Actually try to download the file.
  if (!($local_cache = update_manager_file_get($url))) {
    $context['results']['errors'][$project] = t('Failed to download %project from %url', array(
      '%project' => $project,
      '%url' => $url,
    ));
    return;
  }

  // Extract it.
  $extract_directory = _update_manager_extract_directory();
  try {
    update_manager_archive_extract($local_cache, $extract_directory);
  } catch (Exception $e) {
    $context['results']['errors'][$project] = $e
      ->getMessage();
    return;
  }

  // Verify it.
  $archive_errors = update_manager_archive_verify($project, $local_cache, $extract_directory);
  if (!empty($archive_errors)) {

    // We just need to make sure our array keys don't collide, so use the
    // numeric keys from the $archive_errors array.
    foreach ($archive_errors as $key => $error) {
      $context['results']['errors']["{$project}-{$key}"] = $error;
    }
    return;
  }

  // Yay, success.
  $context['results']['projects'][$project] = $url;
  $context['finished'] = 1;
}