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📄 get_reopen_attempt_confirmation.php(4.07 KB)
📄 reopen_attempt.php(2.78 KB)
📄 submit_question_version.php(3.47 KB)

Editing: get_reopen_attempt_confirmation.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_description;
use core_external\external_function_parameters;
use core_external\external_value;
use Exception;
use html_writer;
use mod_quiz\quiz_attempt;
use moodle_exception;

/**
 * Web service to check a quiz attempt state, and return a confirmation message if it can be reopened now.
 *
 * The use must have the 'mod/quiz:reopenattempts' capability and the attempt
 * must (at least for now) be in the 'Never submitted' state (quiz_attempt::ABANDONED).
 *
 * @package    mod_quiz
 * @copyright  2023 The Open University
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class get_reopen_attempt_confirmation extends external_api {

/**
     * Declare the method parameters.
     *
     * @return external_function_parameters
     */
    public static function execute_parameters(): external_function_parameters {
        return new external_function_parameters([
            'attemptid' => new external_value(PARAM_INT, 'The id of the attempt to reopen'),
        ]);
    }

/**
     * Check a quiz attempt state, and return a confirmation message method implementation.
     *
     * @param int $attemptid the id of the attempt to reopen.
     * @return string a suitable confirmation message (HTML), if the attempt is suitable to be reopened.
     * @throws Exception an appropriate exception if the attempt cannot be reopened now.
     */
    public static function execute(int $attemptid): string {
        global $DB;
        ['attemptid' => $attemptid] = self::validate_parameters(
                self::execute_parameters(), ['attemptid' => $attemptid]);

// Check the request is valid.
        $attemptobj = quiz_attempt::create($attemptid);
        require_capability('mod/quiz:reopenattempts', $attemptobj->get_context());
        self::validate_context($attemptobj->get_context());
        if ($attemptobj->get_state() != quiz_attempt::ABANDONED) {
            throw new moodle_exception('reopenattemptwrongstate', 'quiz', '',
                    ['attemptid' => $attemptid, 'state' => quiz_attempt_state_name($attemptobj->get_state())]);
        }

// Work out what the affect or re-opening will be.
        $timestamp = time();
        $timeclose = $attemptobj->get_access_manager(time())->get_end_time($attemptobj->get_attempt());
        if ($timeclose && $timestamp > $timeclose) {
            $expectedoutcome = get_string('reopenedattemptwillbesubmitted', 'quiz');
        } else if ($timeclose) {
            $expectedoutcome = get_string('reopenedattemptwillbeinprogressuntil', 'quiz', userdate($timeclose));
        } else {
            $expectedoutcome = get_string('reopenedattemptwillbeinprogress', 'quiz');
        }

// Return the required message.
        $user = $DB->get_record('user', ['id' => $attemptobj->get_userid()], '*', MUST_EXIST);
        return html_writer::tag('p', get_string('reopenattemptareyousuremessage', 'quiz',
                ['attemptnumber' => $attemptobj->get_attempt_number(), 'attemptuser' => s(fullname($user))])) .
                html_writer::tag('p', $expectedoutcome);
    }

/**
     * Define the webservice response.
     *
     * @return external_description
     */
    public static function execute_returns(): external_description {
        return new external_value(PARAM_RAW, 'Confirmation to show the user before the attempt is reopened.');
    }
}

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