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 core_courseformat\local;

use core_courseformat\sectiondelegatemodule;

use course_modinfo;

/**

 * Course module course format actions.

 *

 * @package    core_courseformat

 * @copyright  2023 Ferran Recio <ferran@moodle.com>

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

 */

class cmactions extends baseactions {

    /**

     * Update a course delegated section linked to the given module.

     *

     * @param \stdClass $cm

     * @param array $sectionfields to change in section database record.

     * @param bool $rebuildcache If true (default), perform a partial cache purge and rebuild.

     * @return bool true if any delegated section has been updated, false otherwise.

     */

    protected function update_delegated(

            \stdClass $cm,

            array $sectionfields,

            bool $rebuildcache = true

    ): bool {

        if (!sectiondelegatemodule::has_delegate_class('mod_' . $cm->modname)) {

            return false;

        }

        // Propagate the changes to delegated section.

        $cminfo = \cm_info::create($cm);

        if (!$delegatedsection = $cminfo->get_delegated_section_info()) {

            return false;

        }

        $sectionactions = new sectionactions($this->course);

        $sectionactions->update($delegatedsection, $sectionfields);

        if ($rebuildcache) {

            course_modinfo::purge_course_section_cache_by_id($cm->course, $delegatedsection->id);

            rebuild_course_cache($cm->course, false, true);

        }

        return true;

    }

    /**

     * Rename a course module.

     *

     * @param int $cmid the course module id.

     * @param string $name the new name.

     * @return bool true if the course module was renamed, false otherwise.

     */

    public function rename(int $cmid, string $name): bool {

        global $CFG, $DB;

        require_once($CFG->libdir . '/gradelib.php');

        $paramcleaning = empty($CFG->formatstringstriptags) ? PARAM_CLEANHTML : PARAM_TEXT;

        $name = clean_param($name, $paramcleaning);

        if (empty($name)) {

            return false;

        }

        if (\core_text::strlen($name) > 255) {

            throw new \moodle_exception('maximumchars', 'moodle', '', 255);

        }

        // The name is stored in the activity instance record.

        // However, events, gradebook and calendar API uses a legacy

        // course module data extraction from the DB instead of a section_info.

        $cm = get_coursemodule_from_id('', $cmid, 0, false, MUST_EXIST);

        if ($name === $cm->name) {

            return false;

        }

        $DB->update_record(

            $cm->modname,

            (object)[

                'id' => $cm->instance,

                'name' => $name,

                'timemodified' => time(),

            ]

        );

        $cm->name = $name;

        $fields = new \stdClass();

        $fields->name = $name;

        \core\event\course_module_updated::create_from_cm($cm)->trigger();

        course_modinfo::purge_course_module_cache($cm->course, $cm->id);

        rebuild_course_cache($cm->course, false, true);

        $this->update_delegated($cm, ['name' => $name]);

        // Modules may add some logic to renaming.

        $modinfo = get_fast_modinfo($cm->course);

        \core\di::get(\core\hook\manager::class)->dispatch(

            new \core_courseformat\hook\after_cm_name_edited($modinfo->get_cm($cm->id), $name),

        );

        // Attempt to update the grade item if relevant.

        $grademodule = $DB->get_record($cm->modname, ['id' => $cm->instance]);

        $grademodule->cmidnumber = $cm->idnumber;

        $grademodule->modname = $cm->modname;

        grade_update_mod_grades($grademodule);

        // Update calendar events with the new name.

        course_module_update_calendar_events($cm->modname, $grademodule, $cm);

        return true;

    }

    /**

     * Update a course module.

     *

     * @param int $cmid the course module id.

     * @param int $visible state of the module

     * @param int $visibleoncoursepage state of the module on the course page

     * @param bool $rebuildcache If true (default), perform a partial cache purge and rebuild.

     * @return bool whether course module was updated

     */

    public function set_visibility(int $cmid, int $visible, int $visibleoncoursepage = 1, bool $rebuildcache = true): bool {

        global $DB, $CFG;

        require_once($CFG->libdir.'/gradelib.php');

        require_once($CFG->dirroot.'/calendar/lib.php');

        if (!$cm = get_coursemodule_from_id('', $cmid, 0, false, MUST_EXIST)) {

            return false;

        }

        // Create events and propagate visibility to associated grade items if the value has changed.

        // Only do this if it's changed to avoid accidently overwriting manual showing/hiding of student grades.

        if ($cm->visible == $visible && $cm->visibleoncoursepage == $visibleoncoursepage) {

            return true;

        }

        if (!$modulename = $DB->get_field('modules', 'name', ['id' => $cm->module])) {

            return false;

        }

        // Updating visible and visibleold to keep them in sync. Only changing a section visibility will

        // affect visibleold to allow for an original visibility restore. See set_section_visible().

        $cminfo = (object)[

                'id' => $cmid,

                'visible' => $visible,

                'visibleoncoursepage' => $visibleoncoursepage,

                'visibleold' => $visible,

        ];

        $DB->update_record('course_modules', $cminfo);

        $DB->update_record(

            $cm->modname,

            (object)[

                'id' => $cm->instance,

                'timemodified' => time(),

            ]

        );

        $fields = ['visible' => $visible, 'visibleold' => $visible];

        $this->update_delegated($cm, $fields, false);

        if ($rebuildcache) {

            \course_modinfo::purge_course_module_cache($cm->course, $cm->id);

            rebuild_course_cache($cm->course, false, true);

        }

        if ($cm->visible == $visible) {

            // There is nothing else to change.

            return true;

        }

        if ($events = $DB->get_records('event', ['instance' => $cm->instance, 'modulename' => $modulename])) {

            foreach ($events as $event) {

                if ($visible) {

                    $event = new \calendar_event($event);

                    $event->toggle_visibility(true);

                } else {

                    $event = new \calendar_event($event);

                    $event->toggle_visibility(false);

                }

            }

        }

        // Hide the associated grade items so the teacher doesn't also have to go to the gradebook and hide them there.

        // Note that this must be done after updating the row in course_modules, in case

        // the modules grade_item_update function needs to access $cm->visible.

        $supportsgrade = plugin_supports('mod', $modulename, FEATURE_CONTROLS_GRADE_VISIBILITY) &&

                component_callback_exists('mod_' . $modulename, 'grade_item_update');

        if ($supportsgrade) {

            $instance = $DB->get_record($modulename, ['id' => $cm->instance], '*', MUST_EXIST);

            component_callback('mod_' . $modulename, 'grade_item_update', [$instance]);

        } else {

            $gradeitems = \grade_item::fetch_all([

                    'itemtype' => 'mod',

                    'itemmodule' => $modulename,

                    'iteminstance' => $cm->instance,

                    'courseid' => $cm->course,

            ]);

            if ($gradeitems) {

                foreach ($gradeitems as $gradeitem) {

                    $gradeitem->set_hidden(!$visible);

                }

            }

        }

        return true;

    }

}