view.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/>.

/**
 * Prints a particular instance of vitero
 *
 * You can have a rather longer description of the file as well,
 * if you like, and it can span multiple lines.
 *
 * @package    mod_vitero
 * @copyright  2016 Yair Spielmann, Synergy Learning
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

require_once(__DIR__ . '../../../config.php');
require_once(__DIR__ . '/lib.php');

$id = optional_param('id', 0, PARAM_INT); // Course_module ID, or.
$n  = optional_param('n', 0, PARAM_INT);  // Vitero instance ID - it should be named as the first character of the module.

if ($id) {
    $cm      = get_coursemodule_from_id('vitero', $id, 0, false, MUST_EXIST);
    $course  = $DB->get_record('course', ['id' => $cm->course], '*', MUST_EXIST);
    $vitero  = $DB->get_record('vitero', ['id' => $cm->instance], '*', MUST_EXIST);
} else if ($n) {
    $vitero  = $DB->get_record('vitero', ['id' => $n], '*', MUST_EXIST);
    $course  = $DB->get_record('course', ['id' => $vitero->course], '*', MUST_EXIST);
    $cm      = get_coursemodule_from_instance('vitero', $vitero->id, $course->id, false, MUST_EXIST);
} else {
    throw new \moodle_exception('specifycoursemodule', 'vitero');
}

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

// Print the page header.
$PAGE->set_context($context);
$PAGE->set_url('/mod/vitero/view.php', ['id' => $cm->id]);
$PAGE->set_title(format_string($vitero->name));
$PAGE->set_heading(format_string($course->fullname));

require_login($course, true, $cm);

// Assign role.
$roleassign = VITERO_ROLE_PARTICIPANT;
if (has_capability('mod/vitero:teamleader', $context)) {
    $roleassign = VITERO_ROLE_TEAMLEADER;
}

$params = [
    'objectid' => $vitero->id,
    'context' => $context,
    'courseid' => $course->id,
];
$event = \mod_vitero\event\course_module_viewed::create($params);
$event->trigger();


// Output starts here.
echo $OUTPUT->header();

echo $OUTPUT->heading(get_string('viteroappointment', 'vitero'));

// Conditions to show the intro can change to look for own settings or whatever.
if ($vitero->intro) {
    echo $OUTPUT->box(format_module_intro('vitero', $vitero, $cm->id), 'generalbox mod_introbox', 'viterointro');
}

// Display times.
$timesbox = get_string('starttime', 'vitero') . ': ' . userdate($vitero->starttime) . '<br />'
    . get_string('endtime', 'vitero') . ': ' . userdate($vitero->endtime);
echo $OUTPUT->box($timesbox, 'generalbox mod_introbox');

if (
    has_capability('mod/vitero:participant', $context)
        || has_capability('mod/vitero:teamleader', $context)
) {
    $linkbox = '';
    if ($vitero->starttime - (int)$vitero->startbuffer * 60 > time()) {
        $linkbox = get_string('notstartedyet', 'vitero');
    } else if ($vitero->endtime + (int)$vitero->endbuffer * 60 < time()) {
        $linkbox = get_string('alreadyover', 'vitero');
    } else {
        // Get session code.
        if (!$sessioncode = vitero_get_my_sessioncode($vitero, $roleassign)) {
            throw new \moodle_exception('cannotobtainsessioncode', 'vitero');
        }
        $baseurl = vitero_get_baseurl();
        $fullurl = new moodle_url($baseurl . '/start.htm', ['sessionCode' => $sessioncode]);
        $linkbox = html_writer::link($fullurl, get_string('clickhereformeeting', 'vitero'), ['target' => '_blank']);
    }
    echo $OUTPUT->box($linkbox, 'generalbox mod_introbox');
}

// Finish the page.
echo $OUTPUT->footer();