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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
namespace repository_googledocs\local\browser;
use repository_googledocs\googledocs_content;
use repository_googledocs\helper;
/**
* Utility class for browsing content from or within a specified google drive.
*
* This class is responsible for generating the content that would be displayed for a specified drive such as
* 'my drive' or any existing shared drive. It also supports generating data for paths which are located
* within a given drive.
*
* @package repository_googledocs
* @copyright 2021 Mihail Geshoski <mihail@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class googledocs_drive_content extends googledocs_content {
/**
* Returns all relevant contents based on the given path or search query.
*
* The method fetches all existing content (files and folders) located in a specific folder under a given drive
* through an API call.
*
* @param string $query The search query
* @return array The array containing the contents
*/
protected function get_contents(string $query): array {
$id = str_replace("'", "\'", $query);
// Define the parameters required by the API call.
// Query all files and folders which have not been trashed and located directly in the folder whose ID is $id.
$q = "'{$id}' in parents AND trashed = false";
// The file fields that should be returned in the response.
$fields = 'files(id,name,mimeType,webContentLink,webViewLink,fileExtension,modifiedTime,size,iconLink)';
$params = [
'q' => $q,
'fields' => $fields,
'spaces' => 'drive',
];
// Check whether there are any shared drives.
$response = helper::request($this->service, 'shared_drives_list', []);
if (!empty($response->drives)) {
// To be able to include content from shared drives, we need to enable 'supportsAllDrives' and
// 'includeItemsFromAllDrives'. The Google Drive API requires explicit request for inclusion of content from
// shared drives and also a confirmation that the application is designed to handle files on shared drives.
$params['supportsAllDrives'] = 'true';
$params['includeItemsFromAllDrives'] = 'true';
}
// Request the content through the API call.
$response = helper::request($this->service, 'list', $params);
return $response->files ?? [];
}
}
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