Proyectos de Subversion Moodle

<?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 qbank_deletequestion;

/**

 * Class helper of qbank_deletequestion.

 *

 * @package qbank_deletequestion

 * @copyright 2023 The Open University

 * @since Moodle 4.2

 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

class helper {

    /**

     * Get the confirmation message of delete question.

     *

     * @param array $questionids List of id questions.

     * @param bool $deleteallversions Delete all question version or not.

     * @return array List confirmation message.

     */

    public static function get_delete_confirmation_message(array $questionids, bool $deleteallversions): array {

        global $DB;

        $questionnames = '';

        $inuse = false;

        $questionversions = [];

        $countselectedquestion = count($questionids);

        if ($deleteallversions) {

            $versionsofeachquestionbankentry = \question_bank::get_all_versions_of_questions($questionids);

            foreach ($versionsofeachquestionbankentry as $entryid => $versions) {

                // Re-order to oldest first.

                $versionsofeachquestionbankentry[$entryid] = array_reverse($versions, true);

                // Flip the array to list question by question id. [ qid => version ].

                $questionversions += array_flip($versions);

            }

            // Flatten an array.

            $questionids = array_merge(...$versionsofeachquestionbankentry);

        }

        // Get the names of all the questions.

        $questions = $DB->get_records_list('question', 'id', $questionids, '', 'id, name');

        // Build the message.

        foreach ($questionids as $questionid) {

            if (questions_in_use([$questionid])) {

                $questionnames .= '* ';

                $inuse = true;

            }

            $questionname = format_string($questions[$questionid]->name);

            if (isset($questionversions[$questionid])) {

                $a = new \stdClass();

                $a->name = $questionname;

                $a->version = $questionversions[$questionid];

                $questionnames .= get_string('questionnameandquestionversion',

                    'question', $a) . '<br />';

            } else {

                $questionnames .= $questionname . '<br />';

            }

        }

        // Add the in-use message if required.

        if ($inuse) {

            $questionnames .= '<br />'.get_string('questionsinuse', 'question');

        }

        // Add in the right tile and message text.

        $confirmtitle = [

            'confirmtitle' => $countselectedquestion > 1 ? get_string('deleteversiontitle_plural',

                'question') : get_string('deleteversiontitle', 'question'),

        ];

        $message = get_string('deleteselectedquestioncheck', 'question', $questionnames);

        if ($deleteallversions) {

            $confirmtitle = [

                'confirmtitle' => get_string('deletequestiontitle', 'question'),

            ];

            $message = get_string('deletequestioncheck', 'question', $questionnames);

            if ($countselectedquestion > 1) {

                $confirmtitle = [

                    'confirmtitle' => get_string('deletequestiontitle_plural', 'question'),

                ];

                $message = get_string('deletequestionscheck', 'question', $questionnames);

            }

        }

        return [$confirmtitle, $message];

    }

    /**

     * Delete questions has (single/multiple) version.

     *

     * @param array $questionids List of questionid.

     * @param bool $deleteallversions Delete all question version or not.

     */

    public static function delete_questions(array $questionids, bool $deleteallversions): void {

        if ($deleteallversions) {

            // Get all the question id from multidimensional array.

            $listofquestions = \question_bank::get_all_versions_of_questions($questionids);

            // Flatten an array.

            $questionids = array_merge(...$listofquestions);

        }

        foreach ($questionids as $questionid) {

            $questionid = (int) $questionid;

            question_require_capability_on($questionid, 'edit');

            question_delete_question($questionid);

        }

    }

}