edit.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/>.

/**
 * Edit page for mod_journal
 *
 * @package mod_journal
 * @copyright 1999 onwards Martin Dougiamas  {@link http://moodle.com}
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 **/

require_once('../../config.php');
require_once('./edit_form.php');

$id = required_param('id', PARAM_INT);    // Course Module ID.

if (!$cm = get_coursemodule_from_id('journal', $id)) {
    throw new \moodle_exception(get_string('incorrectcmid', 'journal'));
}

if (!$course = $DB->get_record('course', ['id' => $cm->course])) {
    throw new \moodle_exception(get_string('incorrectcourseid', 'journal'));
}

$context = context_module::instance($cm->id);

require_login($course, false, $cm);

require_capability('mod/journal:addentries', $context);

if (!$journal = $DB->get_record('journal', ['id' => $cm->instance])) {
    throw new \moodle_exception(get_string('incorrectjournalid', 'journal'));
}

// Header.
$PAGE->set_url('/mod/journal/edit.php', ['id' => $id]);
$PAGE->navbar->add(get_string('edit'));
$PAGE->set_title(format_string($journal->name));
$PAGE->set_heading($course->fullname);

// Moodle 4.0+ Activity Header support. Checked for 3.9 compatibility.
if (method_exists($PAGE, 'set_activity_record')) {
    $PAGE->set_activity_record($journal);
}

$data = new stdClass();

$entry = $DB->get_record('journal_entries', ['userid' => $USER->id, 'journal' => $journal->id]);
if ($entry) {
    $data->entryid = $entry->id;
    $data->text = $entry->text;
    $data->textformat = $entry->format;
} else {
    $data->entryid = null;
    $data->text = '';
    $data->textformat = FORMAT_HTML;
}

$data->id = $cm->id;

$editoroptions = [
    'maxfiles' => EDITOR_UNLIMITED_FILES,
    'context' => $context,
    'subdirs' => false,
    'enable_filemanagement' => true,
];

$data = file_prepare_standard_editor($data, 'text', $editoroptions, $context, 'mod_journal', 'entry', $data->entryid);

$form = new mod_journal_entry_form(null, ['entryid' => $data->entryid, 'editoroptions' => $editoroptions]);
$form->set_data($data);

if ($form->is_cancelled()) {
    redirect($CFG->wwwroot . '/mod/journal/view.php?id=' . $cm->id);
} else if ($fromform = $form->get_data()) {
    // If data submitted, then process and store.

    // Prevent CSFR.
    confirm_sesskey();
    $timenow = time();

    // This will be overwriten after being we have the entryid.
    $newentry = new stdClass();
    $newentry->text = $fromform->text_editor['text'];
    $newentry->format = $fromform->text_editor['format'];
    $newentry->modified = $timenow;

    if ($entry) {
        $newentry->id = $entry->id;
        if (!$DB->update_record('journal_entries', $newentry)) {
            throw new \moodle_exception(get_string('couldnotupdatejournal', 'journal'));
        }
    } else {
        $newentry->userid = $USER->id;
        $newentry->journal = $journal->id;
        if (!$newentry->id = $DB->insert_record('journal_entries', $newentry)) {
            throw new \moodle_exception(get_string('countnotinsertjournalentry', 'journal'));
        }
    }

    // Update completion state.
    $completion = new completion_info($course);
    if ($completion->is_enabled($cm) && $journal->completion_create_entry) {
        $completion->update_state($cm, COMPLETION_COMPLETE);
    }

    // Relink using the proper entryid.
    // We need to do this as draft area didn't have an itemid associated when creating the entry.
    $fromform = file_postupdate_standard_editor(
        $fromform,
        'text',
        $editoroptions,
        $editoroptions['context'],
        'mod_journal',
        'entry',
        $newentry->id
    );
    $newentry->text = $fromform->text;
    $newentry->format = $fromform->textformat;

    $DB->update_record('journal_entries', $newentry);

    if ($entry) {
        // Trigger module entry updated event.
        $event = \mod_journal\event\entry_updated::create([
            'objectid' => $journal->id,
            'context' => $context,
        ]);
    } else {
        // Trigger module entry created event.
        $event = \mod_journal\event\entry_created::create([
            'objectid' => $journal->id,
            'context' => $context,
        ]);
    }
    $event->add_record_snapshot('course_modules', $cm);
    $event->add_record_snapshot('course', $course);
    $event->add_record_snapshot('journal', $journal);
    $event->trigger();

    redirect(new moodle_url('/mod/journal/view.php?id=' . $cm->id));
    die;
}


echo $OUTPUT->header();
echo $OUTPUT->heading(format_string($journal->name));

if ($CFG->branch < 400) {
    $intro = format_module_intro('journal', $journal, $cm->id);
    echo $OUTPUT->box($intro);
}
$form->display();
echo $OUTPUT->footer();