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()

File

core/modules/update/update.manager.inc, line 267

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', [
            '%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', [
            '%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;
}