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<?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/>.
/**
* Contains the mobile output class for the attendance
*
* @package mod_attendance
* @copyright 2018 Dan Marsden
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace mod_attendance\output;
defined('MOODLE_INTERNAL') || die();
/**
* Mobile output class for the attendance.
*
* @copyright 2018 Dan Marsden
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class mobile {
/**
* Returns the initial page when viewing the activity for the mobile app.
*
* @param array $args Arguments from tool_mobile_get_content WS
* @return array HTML, javascript and other data
*/
public static function mobile_view_activity($args) {
global $OUTPUT, $DB, $USER, $USER, $CFG;
require_once($CFG->dirroot.'/mod/attendance/locallib.php');
$cmid = $args['cmid'];
$courseid = $args['courseid'];
$takenstatus = empty($args['status']) ? '' : $args['status'];
$sessid = empty($args['sessid']) ? '' : $args['sessid'];
$password = empty($args['studentpass']) ? '' : $args['studentpass'];
// Capabilities check.
$cm = get_coursemodule_from_id('attendance', $cmid);
require_login($courseid, false , $cm, true, true);
$context = \context_module::instance($cm->id);
require_capability('mod/attendance:view', $context);
$attendance = $DB->get_record('attendance', array('id' => $cm->instance), '*', MUST_EXIST);
$course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
$data = array(); // Data to pass to renderer.
$data['cmid'] = $cmid;
$data['courseid'] = $courseid;
$data['attendance'] = $attendance;
$data['attendancefunction'] = 'mobile_user_form';
$isteacher = false;
if (has_capability('mod/attendance:takeattendances', $context)) {
$isteacher = true;
$data['attendancefunction'] = 'mobile_teacher_form';
}
// Add stats for this use to output.
$pageparams = new \mod_attendance_view_page_params();
$pageparams->studentid = $USER->id;
$pageparams->group = groups_get_activity_group($cm, true);
if (!empty($sessid) && (!empty($takenstatus) || $isteacher)) {
$session = $DB->get_record('attendance_sessions', array('id' => $sessid));
$pageparams->grouptype = $session->groupid;
$pageparams->sessionid = $sessid;
}
$pageparams->mode = \mod_attendance_view_page_params::MODE_THIS_COURSE;
$pageparams->view = 5; // Show all sessions for this course?
$att = new \mod_attendance_structure($attendance, $cm, $course, $context, $pageparams);
if ($isteacher) {
$keys = array_keys($args);
$userkeys = preg_grep("/status\d+/", $keys);
if (!empty($userkeys)) { // If this is a post from the teacher form.
// Build data to pass to take_from_form_data.
$formdata = new \stdClass();
foreach ($userkeys as $uk) {
$userid = str_replace('status', '', $uk);
$status = $args[$uk];
$formdata->{'remarks'.$userid} = '';
$formdata->{'user'.$userid} = $status;
}
$att->take_from_form_data($formdata);
$data['showmessage'] = true;
$data['messages'][]['string'] = 'attendancesuccess';
}
}
// Get list of sessions within the next 24hrs and in last 6hrs.
// TODO: provide way of adjusting which sessions to show in app.
$time = time() - (6 * 60 * 60);
$data['sessions'] = array();
$sessions = $DB->get_records_select('attendance_sessions',
'attendanceid = ? AND sessdate > ? ORDER BY sessdate', array($attendance->id, $time));
if (!empty($sessions)) {
$userdata = new \attendance_user_data($att, $USER->id, true);
foreach ($sessions as $sess) {
if (!$isteacher && empty($userdata->sessionslog['c'.$sess->id])) {
// This session isn't viewable to this student - probably a group session.
continue;
}
list($canmark, $reason) = attendance_can_student_mark($sess, false);
if ($isteacher || $canmark) {
$html = array('time' => attendance_construct_session_time($sess->sessdate, $sess->duration));
if (!empty($sess->groupid)) {
// TODO In-efficient way to get group name - we should get all groups in one query.
$groupname = $DB->get_field('groups', 'name', array('id' => $sess->groupid));
$html['time'] .= ' ('.$groupname.')';
}
// Check if Status already recorded.
if (!$isteacher && !empty($userdata->sessionslog['c'.$sess->id]->statusid)) {
$html['currentstatus'] = $userdata->statuses[$userdata->sessionslog['c'.$sess->id]->statusid]->description;
} else {
// Status has not been recorded - If student, check auto-assign and form data.
$html['sessid'] = $sess->id;
if (!$isteacher) {
if (!empty($sess->subnet) && !address_in_subnet(getremoteaddr(), $sess->subnet)) {
$data['showmessage'] = true;
$data['messages'][]['string'] = 'subnetwrong'; // Lang string to show as a message.
$html['sessid'] = null; // Unset sessid as we cannot record session on this ip.
} else if ($sess->autoassignstatus && empty($sess->studentpassword)) {
$statusid = attendance_session_get_highest_status($att, $sess);
if (empty($statusid)) {
$data['showmessage'] = true;
$data['messages'][]['string'] = 'attendance_no_status';
}
$take = new \stdClass();
$take->status = $statusid;
$take->sessid = $sess->id;
$success = $att->take_from_student($take);
if ($success) {
$html['currentstatus'] = $userdata->statuses[$statusid]->description;
$html['sessid'] = null; // Unset sessid as we have recorded session.
}
} else if ($sess->id == $sessid) {
if (!empty($sess->studentpassword) && $password != $sess->studentpassword) {
// Password incorrect.
$data['showmessage'] = true;
$data['messages'][]['string'] = 'incorrectpasswordshort';
} else {
$statuses = $att->get_statuses();
// Check if user has access to all statuses.
foreach ($statuses as $status) {
if ($status->studentavailability === '0') {
unset($statuses[$status->id]);
continue;
}
if (!empty($status->studentavailability) &&
time() > $sess->sessdate + ($status->studentavailability * 60)) {
unset($statuses[$status->id]);
continue;
}
}
if ($sess->autoassignstatus) {
// If this is an auto-assign, get the highest status available.
$takenstatus = attendance_session_get_highest_status($att, $sess);
}
if (empty($statuses[$takenstatus])) {
// This status has probably expired and is not available - they need to choose a new one.
$data['showmessage'] = true;
$data['messages'][]['string'] = 'invalidstatus';
} else {
$take = new \stdClass();
$take->status = $takenstatus;
$take->sessid = $sess->id;
$success = $att->take_from_student($take);
if ($success) {
$html['currentstatus'] = $userdata->statuses[$takenstatus]->description;
$html['sessid'] = null; // Unset sessid as we have recorded session.
}
}
}
}
}
}
$data['sessions'][] = $html;
}
}
}
$summary = new \mod_attendance_summary($att->id, array($USER->id), $att->pageparams->startdate,
$att->pageparams->enddate);
$data['summary'] = $summary->get_all_sessions_summary_for($USER->id);
return [
'templates' => [
[
'id' => 'main',
'html' => $OUTPUT->render_from_template('mod_attendance/mobile_view_page', $data),
],
],
'javascript' => '',
'otherdata' => ''
];
}
/**
* Returns the form to take attendance for the mobile app.
*
* @param array $args Arguments from tool_mobile_get_content WS
* @return array HTML, javascript and other data
*/
public static function mobile_user_form($args) {
global $OUTPUT, $DB, $CFG;
require_once($CFG->dirroot.'/mod/attendance/locallib.php');
$args = (object) $args;
$cmid = $args->cmid;
$courseid = $args->courseid;
$sessid = $args->sessid;
// Capabilities check.
$cm = get_coursemodule_from_id('attendance', $cmid);
require_login($courseid, false , $cm, true, true);
$context = \context_module::instance($cm->id);
require_capability('mod/attendance:view', $context);
$attendance = $DB->get_record('attendance', array('id' => $cm->instance), '*', MUST_EXIST);
$attforsession = $DB->get_record('attendance_sessions', array('id' => $sessid), '*', MUST_EXIST);
$course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
$pageparams = new \mod_attendance_sessions_page_params();
$pageparams->sessionid = $sessid;
$att = new \mod_attendance_structure($attendance, $cm, $course, $context, $pageparams);
$data = array(); // Data to pass to renderer.
$data['attendance'] = $attendance;
$data['cmid'] = $cmid;
$data['courseid'] = $courseid;
$data['sessid'] = $sessid;
$data['messages'] = array();
$data['showmessage'] = false;
$data['showstatuses'] = true;
$data['showpassword'] = false;
$data['statuses'] = array();
$data['disabledduetotime'] = false;
list($canmark, $reason) = attendance_can_student_mark($attforsession, false);
// Check if subnet is set and if the user is in the allowed range.
if (!$canmark) {
$data['messages'][]['string'] = $reason; // Lang string to show as a message.
$data['showstatuses'] = false; // Hide all statuses.
} else if (!empty($attforsession->subnet) && !address_in_subnet(getremoteaddr(), $attforsession->subnet)) {
$data['messages'][]['string'] = 'subnetwrong'; // Lang string to show as a message.
$data['showstatuses'] = false; // Hide all statuses.
} else if ($attforsession->autoassignstatus && empty($attforsession->studentpassword)) {
// This shouldn't happen as the main function should handle this scenario.
// Hide all status just in case the user manages to hit this page accidentally.
$data['showstatuses'] = false; // Hide all statuses.
} else {
// Show user form for submitting a status.
$statuses = $att->get_statuses();
// Check if user has access to all statuses.
foreach ($statuses as $status) {
if ($status->studentavailability === '0') {
unset($statuses[$status->id]);
continue;
}
if (!empty($status->studentavailability) &&
time() > $attforsession->sessdate + ($status->studentavailability * 60)) {
unset($statuses[$status->id]);
continue;
$data['disabledduetotime'] = true;
}
$data['statuses'][] = array('stid' => $status->id, 'description' => $status->description);
}
if (empty($data['statuses'])) {
$data['messages'][]['string'] = 'attendance_no_status';
$data['showstatuses'] = false; // Hide all statuses.
} else if (!empty($attforsession->studentpassword)) {
$data['showpassword'] = true;
if ($attforsession->autoassignstatus) {
// If this is an auto status - don't show the statuses, but show the form.
$data['statuses'] = array();
}
}
}
if (!empty($data['messages'])) {
$data['showmessage'] = true;
}
return [
'templates' => [
[
'id' => 'main',
'html' => $OUTPUT->render_from_template('mod_attendance/mobile_user_form', $data),
'cache-view' => false
],
],
'javascript' => '',
'otherdata' => ''
];
}
/**
* Returns the form to take attendance for the mobile app.
*
* @param array $args Arguments from tool_mobile_get_content WS
* @return array HTML, javascript and other data
*/
public static function mobile_teacher_form($args) {
global $OUTPUT, $DB, $CFG;
require_once($CFG->dirroot.'/mod/attendance/locallib.php');
$args = (object) $args;
$cmid = $args->cmid;
$courseid = $args->courseid;
$sessid = $args->sessid;
// Capabilities check.
$cm = get_coursemodule_from_id('attendance', $cmid);
require_login($courseid, false , $cm, true, true);
$context = \context_module::instance($cm->id);
require_capability('mod/attendance:takeattendances', $context);
$attendance = $DB->get_record('attendance', array('id' => $cm->instance), '*', MUST_EXIST);
$course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
$pageparams = new \mod_attendance_sessions_page_params();
$pageparams->sessionid = $sessid;
$att = new \mod_attendance_structure($attendance, $cm, $course, $context, $pageparams);
$data = array(); // Data to pass to renderer.
$data['attendance'] = $attendance;
$data['cmid'] = $cmid;
$data['courseid'] = $courseid;
$data['sessid'] = $sessid;
$data['messages'] = array();
$data['showmessage'] = false;
$data['statuses'] = array();
$data['args'] = ''; // Stores list of userid status args that should be added to form post.
$statuses = $att->get_statuses();
$otherdata = array();
$existinglog = $DB->get_records('attendance_log',
array('sessionid' => $sessid), '', 'studentid,statusid');
foreach ($existinglog as $log) {
if (!empty($log->statusid)) {
$otherdata['status'.$log->studentid] = $log->statusid;
}
}
foreach ($statuses as $status) {
$data['statuses'][] = array('stid' => $status->id, 'acronym' => $status->acronym,
'description' => $status->description);
}
// TODO: Add support for group marking (non-editing teachers etc).
$data['users'] = array();
$users = $att->get_users(0, 0);
foreach ($users as $user) {
$data['users'][] = array('userid' => $user->id, 'fullname' => $user->fullname);
// Generate args to use in submission button here.
$data['args'] .= ', status'. $user->id. ': CONTENT_OTHERDATA.status'. $user->id;
}
if (!empty($data['messages'])) {
$data['showmessage'] = true;
}
return [
'templates' => [
[
'id' => 'main',
'html' => $OUTPUT->render_from_template('mod_attendance/mobile_teacher_form', $data),
'cache-view' => false
],
],
'javascript' => '',
'otherdata' => $otherdata
];
}
}