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✏️ Editing: delete_overrides.php

<?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 mod_quiz\external;

use core_external\external_api;
use core_external\external_function_parameters;
use core_external\external_multiple_structure;
use core_external\external_single_structure;
use core_external\external_value;
use mod_quiz\quiz_settings;

/**
 * Webservice for deleting quiz overrides.
 *
 * @package   mod_quiz
 * @copyright 2024 Matthew Hilton <matthewhilton@catalyst-au.net>
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class delete_overrides extends external_api {
    /**
     * Defines parameters
     *
     * @return external_function_parameters
     */
    public static function execute_parameters(): external_function_parameters {
        return new external_function_parameters([
            // This must be nested in a single structure, because the ids structure does not play nicely at the top level.
            'data' => new external_single_structure([
                'quizid' => new external_value(PARAM_INT, "ID of quiz to delete overrides in"),
                'ids' => new external_multiple_structure(new external_value(PARAM_INT, 'ID of override to delete')),
            ]),
        ]);
    }

/**
     * Executes webservice function, deleting given overrides.
     *
     * @param array $params array of override parameters
     * @return array with ids key, which contains the ids of the overrides successfully deleted.
     */
    public static function execute($params): array {
        $params = self::validate_parameters(self::execute_parameters(), ['data' => $params])['data'];

$quizsettings = quiz_settings::create($params['quizid']);
        $manager = $quizsettings->get_override_manager();
        self::validate_context($manager->context);
        $manager->require_manage_capability();
        $manager->delete_overrides_by_id($params['ids']);

return ['ids' => $params['ids']];
    }

/**
     * Defines return type
     *
     * @return external_single_structure
     */
    public static function execute_returns(): external_single_structure {
        return new external_single_structure([
            'ids' => new external_multiple_structure(new external_value(PARAM_INT, 'ID of deleted override')),
        ]);
    }
}

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