lib.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/>.

/**
 * Library of interface functions and constants.
 *
 * @package     mod_virtualcoach
 * @copyright   2019 Salfa Meridian S.L. - Aula21
 * @author      Dany Daniel Roche <ddanielroche@gmail.com>
 * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();

/**
 * Return if the plugin supports $feature.
 *
 * @param string $feature Constant representing the feature.
 * @return true | null True if the feature is supported, null otherwise.
 */
function virtualcoach_supports($feature) {
    switch ($feature) {
        case FEATURE_MOD_INTRO:
            return true;
        default:
            return null;
    }
}

/**
 * Saves a new instance of the mod_virtualcoach into the database.
 *
 * Given an object containing all the necessary data, (defined by the form
 * in mod_form.php) this function will create a new instance and return the id
 * number of the instance.
 *
 * @param object $moduleinstance An object from the form.
 * @param mod_virtualcoach_mod_form $mform The form.
 * @return int The id of the newly inserted record.
 */
function virtualcoach_add_instance($moduleinstance, $mform = null) {
    global $DB;

    $moduleinstance->timecreated = time();

    $id = $DB->insert_record('virtualcoach', $moduleinstance);

    return $id;
}

/**
 * Updates an instance of the mod_virtualcoach in the database.
 *
 * Given an object containing all the necessary data (defined in mod_form.php),
 * this function will update an existing instance with new data.
 *
 * @param object $moduleinstance An object from the form in mod_form.php.
 * @param mod_virtualcoach_mod_form $mform The form.
 * @return bool True if successful, false otherwise.
 */
function virtualcoach_update_instance($moduleinstance, $mform = null) {
    global $DB;

    $moduleinstance->timemodified = time();
    $moduleinstance->id = $moduleinstance->instance;

    return $DB->update_record('virtualcoach', $moduleinstance);
}

/**
 * Removes an instance of the mod_virtualcoach from the database.
 *
 * @param int $id Id of the module instance.
 * @return bool True if successful, false on failure.
 */
function virtualcoach_delete_instance($id) {
    global $DB;

    $exists = $DB->get_record('virtualcoach', array('id' => $id));
    if (!$exists) {
        return false;
    }

    $DB->delete_records('virtualcoach', array('id' => $id));

    return true;
}

/**
 * Extends the global navigation tree by adding mod_virtualcoach nodes if there is a relevant content.
 *
 * This can be called by an AJAX request so do not rely on $PAGE as it might not be set up properly.
 *
 * @param navigation_node $virtualcoachnode An object representing the navigation tree node.
 * @param stdClass $course.
 * @param stdClass $module.
 * @param cm_info $cm.
 */
function virtualcoach_extend_navigation($virtualcoachnode, $course, $module, $cm) {
}

/**
 * Extends the settings navigation with the mod_virtualcoach settings.
 *
 * This function is called when the context for the page is a mod_virtualcoach module.
 * This is not called by AJAX so it is safe to rely on the $PAGE.
 *
 * @param settings_navigation $settingsnav {@link settings_navigation}
 * @param navigation_node $virtualcoachnode {@link navigation_node}
 */
function virtualcoach_extend_settings_navigation($settingsnav, $virtualcoachnode = null) {
}

/**
 * Request and render event form fragment.
 *
 * @param array $args The fragment arguments.
 * @return string The rendered mform fragment.
 */
function mod_virtualcoach_output_fragment_event_form($args) {
    global $CFG, $OUTPUT, $USER;
    require_once($CFG->libdir . '/grouplib.php');
    $html = '';
    $data = [];
    $eventid = isset($args['eventid']) ? clean_param($args['eventid'], PARAM_INT) : null;
    $starttime = isset($args['starttime']) ? clean_param($args['starttime'], PARAM_INT) : null;
    $courseid = (isset($args['courseid']) && $args['courseid'] != SITEID) ? clean_param($args['courseid'], PARAM_INT) : null;
    $categoryid = isset($args['categoryid']) ? clean_param($args['categoryid'], PARAM_INT) : null;
    $location = isset($args['location']) ? clean_param($args['location'], PARAM_INT) : null;
    $event = null;
    $hasformdata = isset($args['formdata']) && !empty($args['formdata']);
    $context = \context_user::instance($USER->id);
    $editoroptions = mod_virtualcoach\event\forms\create::build_editor_options($context);
    $formoptions = ['editoroptions' => $editoroptions, 'courseid' => $courseid];
    $draftitemid = 0;

    if ($hasformdata) {
        parse_str(clean_param($args['formdata'], PARAM_TEXT), $data);
        if (isset($data['description']['itemid'])) {
            $draftitemid = $data['description']['itemid'];
        }
    }

    if ($starttime) {
        $formoptions['starttime'] = $starttime;
    }

    if (is_null($eventid)) {
        if (!empty($courseid)) {
            $groupcoursedata = groups_get_course_data($courseid);
            $formoptions['groups'] = [];
            foreach ($groupcoursedata->groups as $groupid => $groupdata) {
                $formoptions['groups'][$groupid] = $groupdata->name;
            }
        }
        $mform = new mod_virtualcoach\event\forms\create(
            null,
            $formoptions,
            'post',
            '',
            null,
            true,
            $data
        );

        // Let's check first which event types user can add.
        $eventtypes = calendar_get_allowed_event_types($courseid);

        // If the user is on course context and is allowed to add course events set the event type default to course.
        /*if (!empty($courseid) && !empty($eventtypes['course'])) {
            $data['eventtype'] = 'course';
            $data['courseid'] = $courseid;
            $data['groupcourseid'] = $courseid;
        } else if (!empty($categoryid) && !empty($eventtypes['category'])) {
            $data['eventtype'] = 'category';
            $data['categoryid'] = $categoryid;
        } else if (!empty($groupcoursedata) && !empty($eventtypes['group'])) {
            $data['groupcourseid'] = $courseid;
            $data['groups'] = $groupcoursedata->groups;
        }*/
        $data['location'] = $location;
        $data['courseid'] = $courseid;

        $cm = get_coursemodule_from_id('virtualcoach', $args['moduleid'], 0, false, MUST_EXIST);
        $data['instance'] = $cm->instance;

        $mform->set_data($data);
    } else {
        $event = calendar_event::load($eventid);

        if (!calendar_edit_event_allowed($event)) {
            print_error('nopermissiontoupdatecalendar');
        }

        $mapper = new \core_calendar\local\event\mappers\create_update_form_mapper();
        $eventdata = $mapper->from_legacy_event_to_data($event);
        $data = array_merge((array) $eventdata, $data);

        $data['duration'] = 2;
        if (!$data['timedurationminutes']) {
            $data['timedurationminutes'] = (int)(($event->properties()->timeduration+1)/60);
        }

        $event->count_repeats();
        $formoptions['event'] = $event;

        if (!empty($event->courseid)) {
            $groupcoursedata = groups_get_course_data($event->courseid);
            $formoptions['groups'] = [];
            foreach ($groupcoursedata->groups as $groupid => $groupdata) {
                $formoptions['groups'][$groupid] = $groupdata->name;
            }
        }

        $data['description']['text'] = file_prepare_draft_area(
            $draftitemid,
            $event->context->id,
            'calendar',
            'event_description',
            $event->id,
            null,
            $data['description']['text']
        );
        $data['description']['itemid'] = $draftitemid;

        /*$mform = new \core_calendar\local\event\forms\update(
            null,
            $formoptions,
            'post',
            '',
            null,
            true,
            $data
        );*/

        $mform = new mod_virtualcoach\event\forms\create(
            null,
            $formoptions,
            'post',
            '',
            null,
            true,
            $data
        );
        $mform->set_data($data);

        // Check to see if this event is part of a subscription or import.
        // If so display a warning on edit.
        if (isset($event->subscriptionid) && ($event->subscriptionid != null)) {
            $renderable = new \core\output\notification(
                get_string('eventsubscriptioneditwarning', 'calendar'),
                \core\output\notification::NOTIFY_INFO
            );

            $html .= $OUTPUT->render($renderable);
        }
    }

    if ($hasformdata) {
        $mform->is_validated();
    }

    $html .= $mform->render();
    return $html;
}