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Long Term Support Release
1 <?php 2 // This file is part of Moodle - http://moodle.org/ 3 // 4 // Moodle is free software: you can redistribute it and/or modify 5 // it under the terms of the GNU General Public License as published by 6 // the Free Software Foundation, either version 3 of the License, or 7 // (at your option) any later version. 8 // 9 // Moodle is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU General Public License for more details. 13 // 14 // You should have received a copy of the GNU General Public License 15 // along with Moodle. If not, see <http://www.gnu.org/licenses/>. 16 17 namespace mod_forum\h5p; 18 19 /** 20 * Class to check if the H5P content can be edited for this plugin. 21 * 22 * @package mod_forum 23 * @copyright 2021 Sara Arjona (sara@moodle.com) 24 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 25 */ 26 class canedit { 27 28 /** 29 * Check if the user can edit an H5P file. In that case, this method will return true if the file belongs to mod_forum 30 * filearea is post and the user can edit the post where the H5P is. 31 * 32 * @param \stored_file $file The H5P file to check. 33 * 34 * @return boolean Whether the user can edit or not the given file. 35 * @since Moodle 4.0 36 */ 37 public static function can_edit_content(\stored_file $file): bool { 38 global $USER; 39 40 list($type, $component) = \core_component::normalize_component($file->get_component()); 41 42 if ($type === 'mod' && $component === 'forum') { 43 // For mod_forum files in posts, check if the user can edit the post where the H5P is. 44 if ($file->get_filearea() === 'post') { 45 // Check if the user can edit the forum post. 46 $vaultfactory = \mod_forum\local\container::get_vault_factory(); 47 $forumvault = $vaultfactory->get_forum_vault(); 48 $discussionvault = $vaultfactory->get_discussion_vault(); 49 $postvault = $vaultfactory->get_post_vault(); 50 $postid = $file->get_itemid(); 51 $postentity = $postvault->get_from_id($postid); 52 if (!empty($postentity)) { 53 $discussionentity = $discussionvault->get_from_id($postentity->get_discussion_id()); 54 $managerfactory = \mod_forum\local\container::get_manager_factory(); 55 $forumentity = $forumvault->get_from_id($discussionentity->get_forum_id()); 56 $capabilitymanager = $managerfactory->get_capability_manager($forumentity); 57 if ($capabilitymanager->can_edit_post($USER, $discussionentity, $postentity)) { 58 return true; 59 } 60 } 61 } else { 62 // For any other fileare, check whether the user can add/edit them. 63 $context = \context::instance_by_id($file->get_contextid()); 64 $plugins = \core_component::get_plugin_list($type); 65 $isvalid = array_key_exists($component, $plugins); 66 if ($isvalid && has_capability("$type/$component:addinstance", $context)) { 67 // The user can edit the content because she has the capability for creating instances where the file belongs. 68 return true; 69 } 70 } 71 } 72 73 return false; 74 } 75 }
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