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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 core_contentbank\external; use core_contentbank\contentbank; use core_external\external_api; use core_external\external_function_parameters; use core_external\external_single_structure; use core_external\external_value; use core_external\external_warnings; /** * This is the external method for copying a content. * * @package core_contentbank * @copyright 2023 Daniel Neis Araujo * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later / class copy_content extends external_api { /* * copy_content parameters. * * @since Moodle 4.3 * @return external_function_parameters / public static function execute_parameters(): external_function_parameters { return new external_function_parameters( [ 'contentid' => new external_value(PARAM_INT, 'The content id to copy', VALUE_REQUIRED), 'name' => new external_value(PARAM_RAW, 'The new name for the content', VALUE_REQUIRED), ] ); } /* * Copy content from the contentbank. * * @since Moodle 4.3 * @param int $contentid The content id to copy. * @param string $name The new name. * @return array Id of the new content; false and the warning, otherwise. / public static function execute(int $contentid, string $name): array { global $DB; $id = 0; $warnings = []; $params = self::validate_parameters(self::execute_parameters(), [ 'contentid' => $contentid, 'name' => $name, ]); $params['name'] = clean_param($params['name'], PARAM_TEXT); // If name is empty don't try to copy and return a more detailed message. if (trim($params['name']) === '') { $warnings[] = [ 'item' => $params['contentid'], 'warningcode' => 'emptynamenotallowed', 'message' => get_string('emptynamenotallowed', 'core_contentbank'), ]; } else { try { $record = $DB->get_record('contentbank_content', ['id' => $params['contentid']], '', MUST_EXIST); $cb = new contentbank(); $content = $cb->get_content_from_id($record->id); $contenttype = $content->get_content_type_instance(); $context = \context::instance_by_id($record->contextid, MUST_EXIST); self::validate_context($context); // Check capability. if ($contenttype->can_copy($content)) { // This content can be copied. $crecord = $content->get_content(); unset($crecord->id); $crecord->name = $params['name']; if ($content = $contenttype->create_content($crecord)) { $fs = get_file_storage(); $files = $fs->get_area_files($context->id, 'contentbank', 'public', $params['contentid'], 'itemid, filepath, filename', false); if (!empty($files)) { $file = reset($files); $content->import_file($file); } $id = $content->get_id(); } else { $warnings[] = [ 'item' => $params['contentid'], 'warningcode' => 'contentnotcopied', 'message' => get_string('contentnotcopied', 'core_contentbank'), ]; } } else { // The user has no permission to manage this content. $warnings[] = [ 'item' => $params['contentid'], 'warningcode' => 'nopermissiontomanage', 'message' => get_string('nopermissiontocopy', 'core_contentbank'), ]; } } catch (\moodle_exception $e) { // The content or the context don't exist. $warnings[] = [ 'item' => $params['contentid'], 'warningcode' => 'exception', 'message' => $e->getMessage(), ]; } } return [ 'id' => $id, 'warnings' => $warnings, ]; } /** * copy_content return. * * @since Moodle 4.3 * @return external_single_structure */ public static function execute_returns(): external_single_structure { return new external_single_structure([ 'id' => new external_value(PARAM_INT, 'The id of the new content'), 'warnings' => new external_warnings(), ]); } }

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