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编辑当前文件:/home2/sdektunc/www/cepali/blocks/recentlyaccesseditems/classes/privacy/provider.php
. /** * Privacy Subsystem implementation for Recently accessed items block. * * @package block_recentlyaccesseditems * @copyright 2018 Victor Deniz
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ namespace block_recentlyaccesseditems\privacy; defined('MOODLE_INTERNAL') || die(); use \core_privacy\local\metadata\collection; use \core_privacy\local\request\transform; use \core_privacy\local\request\contextlist; use \core_privacy\local\request\userlist; use \core_privacy\local\request\approved_contextlist; use \core_privacy\local\request\approved_userlist; use \core_privacy\local\request\writer; /** * Privacy Subsystem for block_recentlyaccesseditems. * * @package block_recentlyaccesseditems * @copyright 2018 Victor Deniz
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ class provider implements \core_privacy\local\metadata\provider, \core_privacy\local\request\core_userlist_provider, \core_privacy\local\request\plugin\provider { /** * Returns information about the user data stored in this component. * * @param collection $collection A list of information about this component * @return collection The collection object filled out with information about this component. */ public static function get_metadata(collection $collection) : collection { $recentitems = [ 'userid' => 'privacy:metadata:userid', 'courseid' => 'privacy:metadata:courseid', 'cmid' => 'privacy:metadata:cmid', 'timeaccess' => 'privacy:metadata:timeaccess' ]; $collection->add_database_table('block_recentlyaccesseditems', $recentitems, 'privacy:metadata:block_recentlyaccesseditemstablesummary'); return $collection; } /** * Get the list of contexts that contain user information for the specified user. * * @param int $userid The user to search. * @return contextlist $contextlist The contextlist containing the list of contexts used in this plugin. */ public static function get_contexts_for_userid(int $userid) : contextlist { $params = ['userid' => $userid, 'contextuser' => CONTEXT_USER]; $sql = "SELECT c.id FROM {context} c JOIN {block_recentlyaccesseditems} b ON b.userid = c.instanceid WHERE c.instanceid = :userid AND c.contextlevel = :contextuser"; $contextlist = new contextlist(); $contextlist->add_from_sql($sql, $params); return $contextlist; } /** * Get the list of users within a specific context. * * @param userlist $userlist The userlist containing the list of users who have data in this context/plugin combination. */ public static function get_users_in_context(userlist $userlist) { global $DB; $context = $userlist->get_context(); if (!$context instanceof \context_user) { return; } if ($DB->record_exists('block_recentlyaccesseditems', ['userid' => $context->instanceid])) { $userlist->add_user($context->instanceid); } } /** * Export all user data for the specified user, in the specified contexts. * * @param approved_contextlist $contextlist The approved contexts to export information for. */ public static function export_user_data(approved_contextlist $contextlist) { $context = $contextlist->current(); $user = \core_user::get_user($contextlist->get_user()->id); static::export_recentitems($user->id, $context); } /** * Export information about the most recently accessed items. * * @param int $userid The user ID. * @param \context $context The user context. */ protected static function export_recentitems(int $userid, \context $context) { global $DB; $sql = "SELECT ra.id, c.fullname, ra.timeaccess, m.name, ra.cmid FROM {block_recentlyaccesseditems} ra JOIN {course} c ON c.id = ra.courseid JOIN {course_modules} cm on cm.id = ra.cmid JOIN {modules} m ON m.id = cm.module WHERE ra.userid = :userid"; $params = ['userid' => $userid]; $records = $DB->get_records_sql($sql, $params); if (!empty($records)) { $recentitems = (object) array_map(function($record) use($context) { return [ 'course_name' => format_string($record->fullname, true, ['context' => $context]), 'module_name' => format_string($record->name), 'timeaccess' => transform::datetime($record->timeaccess) ]; }, $records); writer::with_context($context)->export_data([get_string('privacy:recentlyaccesseditemspath', 'block_recentlyaccesseditems')], $recentitems); } } /** * Delete all data for all users in the specified context. * * @param context $context The specific context to delete data for. */ public static function delete_data_for_all_users_in_context(\context $context) { global $DB; // Only delete data for a user context. if ($context->contextlevel == CONTEXT_USER) { // Delete recent items access. $DB->delete_records('block_recentlyaccesseditems', ['userid' => $context->instanceid]); } } /** * Delete all user data for the specified user, in the specified contexts. * * @param approved_contextlist $contextlist The approved contexts and user information to delete information for. */ public static function delete_data_for_user(approved_contextlist $contextlist) { global $DB; foreach ($contextlist as $context) { // Let's be super certain that we have the right information for this user here. if ($context->contextlevel == CONTEXT_USER && $contextlist->get_user()->id == $context->instanceid) { $DB->delete_records('block_recentlyaccesseditems', ['userid' => $context->instanceid]); } } } /** * Delete multiple users within a single context. * * @param approved_userlist $userlist The approved context and user information to delete information for. */ public static function delete_data_for_users(approved_userlist $userlist) { global $DB; $context = $userlist->get_context(); if ($context instanceof \context_user && in_array($context->instanceid, $userlist->get_userids())) { $DB->delete_records('block_recentlyaccesseditems', ['userid' => $context->instanceid]); } } }