Proyectos de Subversion Moodle

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43 efrain 1
<?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 local_listcoursefiles\components;
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use local_listcoursefiles\course_file;
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/**
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 * Class mod_page
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 * @package local_listcoursefiles
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 * @author Jeremy FitzPatrick
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 * @copyright 2022 Te Wānanga o Aotearoa
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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 mod_page extends course_file {
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    /**
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     * Try to get the download url for a file.
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     *
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     * @return null|\moodle_url
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     * @throws \moodle_exception
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     */
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    protected function get_file_download_url(): ?\moodle_url {
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        if ($this->file->filearea === 'content') {
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            return $this->get_standard_file_download_url();
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        }
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        return parent::get_file_download_url();
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    }
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    /**
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     * Creates the URL for the editor where the file is added
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     *
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     * @return \moodle_url|null
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     * @throws \dml_exception
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     * @throws \moodle_exception
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     */
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    protected function get_edit_url(): ?\moodle_url {
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        global $DB;
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        if ($this->file->filearea === 'content') { // Just checking description for now.
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            $sql = "SELECT cm.*
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                      FROM {context} ctx
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                      JOIN {course_modules} cm ON cm.id = ctx.instanceid
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                     WHERE ctx.id = ?";
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            $mod = $DB->get_record_sql($sql, [$this->file->contextid]);
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            return new \moodle_url('/course/modedit.php?', ['update' => $mod->id]);
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        }
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        return parent::get_edit_url();
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    }
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    /**
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     * Checks if embedded files have been used
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     *
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     * @return bool|null
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     * @throws \dml_exception
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     */
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    protected function is_file_used(): ?bool {
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        // File areas = intro, content.
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        global $DB;
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        if ($this->file->filearea === 'content') {
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            $sql = "SELECT m.*
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                      FROM {page} m
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                      JOIN {course_modules} cm ON cm.instance = m.id
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                      JOIN {context} ctx ON ctx.instanceid = cm.id
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                     WHERE ctx.id = ?";
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            $page = $DB->get_record_sql($sql, [$this->file->contextid]);
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            return $this->is_embedded_file_used($page, 'content', $this->file->filename);
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        }
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        return parent::is_file_used();
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    }
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}