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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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namespace tiny_autosave\external;
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use core_external\external_api;
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use core_external\external_function_parameters;
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use core_external\external_single_structure;
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use core_external\external_value;
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/**
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* Web Service to reset the autosave session.
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*
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* @package tiny_autosave
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* @category external
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* @copyright 2022 Andrew Lyons <andrew@nicols.co.uk>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class reset_autosave_session extends external_api {
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/**
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* Returns description of method parameters
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*
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* @return external_function_parameters
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*/
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public static function execute_parameters(): external_function_parameters {
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return new external_function_parameters([
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'contextid' => new external_value(PARAM_INT, 'The context id that owns the editor', VALUE_REQUIRED),
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'pagehash' => new external_value(PARAM_ALPHANUMEXT, 'The page hash', VALUE_REQUIRED),
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'pageinstance' => new external_value(PARAM_ALPHANUMEXT, 'The page instance', VALUE_REQUIRED),
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'elementid' => new external_value(PARAM_RAW, 'The ID of the element', VALUE_REQUIRED),
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]);
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}
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/**
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* Reset the autosave entry for this autosave instance.
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*
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* If not matching autosave area could be found, the function will
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* silently return and this is not treated as an error condition.
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*
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* @param int $contextid The context id of the owner
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* @param string $pagehash The hash of the page
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* @param string $pageinstance The instance id of the page
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* @param string $elementid The id of the element
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* @return null
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*/
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public static function execute(
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int $contextid,
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string $pagehash,
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string $pageinstance,
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string $elementid
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): array {
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[
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'contextid' => $contextid,
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'pagehash' => $pagehash,
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'elementid' => $elementid,
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'pageinstance' => $pageinstance,
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] = self::validate_parameters(self::execute_parameters(), [
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'contextid' => $contextid,
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'pagehash' => $pagehash,
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'elementid' => $elementid,
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'pageinstance' => $pageinstance,
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]);
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// May have been called by a non-logged in user.
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if (isloggedin() && !isguestuser()) {
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$manager = new \tiny_autosave\autosave_manager($contextid, $pagehash, $pageinstance, $elementid);
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$manager->remove_autosave_record();
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}
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return [];
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}
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/**
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* Describe the return structure of the external service.
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*
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* @return external_single_structure
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*/
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public static function execute_returns(): external_single_structure {
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return new external_single_structure([]);
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}
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}
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