<?php // $Id: updateSession.php,v 1.3 2006/02/02 09:28:06 dlnsk Exp $

// Modified by Fumi.Iseki 	2007/03/19
//                        	2013/04/05


require_once('../../config.php');	
require_once($CFG->libdir.'/blocklib.php');
require_once('lib.php');	


$courseid = required_param('course', PARAM_INTEGER);
$attsid	  = required_param('attsid', PARAM_INTEGER);
$classid  = optional_param('class', 0, PARAM_INTEGER);
$action   = optional_param('action', '', PARAM_ALPHA);
$submit   = optional_param('submit', '', PARAM_TEXT);

if (($formdata = data_submitted()) and !confirm_sesskey()) {
	print_error('invalidsesskey');
}

$urlparams['course'] = $courseid;
$urlparams['attsid'] = $attsid;
if ($classid) $urlparams['class']  = $classid;
if ($action)  $urlparams['action'] = $action;
$PAGE->set_url('/blocks/autoattend/updateSession.php', $urlparams);

$wwwBlock = $CFG->wwwroot.'/blocks/autoattend';
$wwwMyURL = $wwwBlock.'/updateSession.php';
$back2URL = $wwwBlock.'/index.php';


if (!empty($submit) && $submit==get_string('return', 'block_autoattend')) {
    redirect($wwwBlock.'/index.php?course='.$courseid.'&amp;class='.$classid);
}

$course = $DB->get_record('course', array('id'=>$courseid));
if (!$course) {
	print_error('courseidwrong', 'block_autoattend');
}

require_login($course->id);

$context = get_context_instance(CONTEXT_COURSE, $course->id);
$isteacher = jbxl_is_teacher($USER->id, $context);
if (!$isteacher) {
    print_error('notaccessnoteacher', 'block_autoattend');
}

$user = $DB->get_record('user', array('id'=>$USER->id));
if (!$user) {
	print_error('nosuchuser', 'block_autoattend');
}

$att = $DB->get_record('autoattend_sessions', array('id'=>$attsid));
if (!$att) {
	print_error('nosuchsession', 'block_autoattend');
}


// Print Header
if ($course->category) {
	$title = get_string('updatesessioninfo','block_autoattend').' '.get_string('autoattend','block_autoattend');
}
else {
	$title = $course->shortname.': '.get_string('autoattend','block_autoattend');
}

$PAGE->set_title($title);
$PAGE->set_heading($course->fullname);
$PAGE->set_cacheable(true);
$PAGE->set_button('&nbsp;');
$PAGE->set_headingmenu(navmenu($course));

echo $OUTPUT->header();


if ($action=='update') {
	$newday     = required_param('newday',	  PARAM_INTEGER);
	$newmonth   = required_param('newmonth',  PARAM_INTEGER);
	$newyear    = required_param('newyear',   PARAM_INTEGER);
	$method     = required_param('newmethod', PARAM_ALPHA);
	$shour	    = required_param('newshour',  PARAM_INTEGER);
	$smin	    = required_param('newsmin',   PARAM_INTEGER);
	$ehour	    = required_param('newehour',  PARAM_INTEGER);
	$emin	    = required_param('newemin',   PARAM_INTEGER);
	$lmin	    = required_param('newlmin',   PARAM_INTEGER);
	$allowip    = required_param('allowip',   PARAM_TEXT);
	$desc 	    = required_param('desc',      PARAM_TEXT);

	$attendkey  = optional_param('attendkey', '', PARAM_ALPHA);
	$randomkey  = optional_param('randomkey', '', PARAM_INTEGER);
	$denysameip = optional_param('denysameip', 0, PARAM_INTEGER);

	if (empty($denysameip)) $denysameip = '0';

	$starttime = $shour*ONE_HOUR + $smin*ONE_MIN - $TIME_OFFSET;
	$endtime   = $ehour*ONE_HOUR + $emin*ONE_MIN - $TIME_OFFSET;
	$latetime  = ($lmin - 1)*MIN_INTVL*ONE_MIN;
	$newdate   = mktime(0, 0, 0, $newmonth, $newday, $newyear);

	$times = $endtime - $starttime;
	if($times <= 0) {
		print_error('wrongtimesselected', 'block_autoattend', $wwwMyURL.'?course='.$course->id.'&amp;class='.$classid.'&amp;attsid='.$attsid);
	}

	$strtm = $newdate + $starttime;
	$endtm = $newdate + $endtime;

	$where = array('courseid'=>$course->id, 'sessdate'=>$newdate, 'starttime'=>$strtm, 'classid'=>$classid);
	$count = $DB->count_records('autoattend_sessions', $where);
	if ($count!=0 and ($newdate!=$att->sessdate or $strtm!=$att->starttime or $classid!=$att->classid)) { //duplicate session exists
		print_error('sessionalreadyexists', 'block_autoattend', $wwwMyURL.'?course='.$course->id.'&amp;class='.$classid.'&amp;attsid='.$attsid);	
	}
	else {	
		$ntime = time();
		if ($ntime < $strtm) $state = 'N';
//		else if ($ntime>=$strtm and $ntime<=$endtm) $state = 'O';
		else $state = 'O';	// ここでは Close 処理しない

		$prvstate		   = $att->state;
		$prvmethod		   = $att->method;
		$att->sessdate	   = $newdate;
		$att->classid	   = $classid;
		$att->timemodified = time();
		$att->method	   = $method;
		$att->state		   = $state;
		$att->starttime	   = $strtm;
		$att->endtime	   = $endtm;
		$att->latetime	   = $latetime;
		$att->allowip	   = $allowip;
		$att->denysameip   = $denysameip;
		$att->description  = $desc;
		$att->attendkey    = '';

		if ($att->method=='S') {
			if ($randomkey) {
				$att->attendkey = jbxl_randstr(5, true);
			}	
			else {		   
				$att->attendkey = $attendkey;
			}
		}

		$result = $DB->update_record('autoattend_sessions', $att);
		if ($result) {
			//$loginfo = 'id='.$attsid.',method='.$method.',state='.$state;
			//add_to_log($course->id, 'autoattend', 'update session', $wwwMyURL, $loginfo);
		}
		else {
			print_error('sessionupdateerror', 'block_autoattend', $wwwMyURL.'?course='.$course->id.'&amp;class='.$classid.'&amp;attsid='.$attsid);	
		}
		//
//		autoattend_update_sessions($course->id);
		autoattend_update_session($course->id, $attsid);
	}	
	//
	redirect($back2URL.'?course='.$course->id.'&amp;class='.$classid.'&amp;attsid='.$attsid, get_string('sessionupdated', 'block_autoattend'), 1);
}


$acheck = '';
$scheck = '';
$mcheck = '';
if	    ($att->method=='A') $acheck = 'checked="checked"';
else if ($att->method=='S') $scheck = 'checked="checked"';
else if ($att->method=='M') $mcheck = 'checked="checked"';

$late_time  = (int)($att->latetime/ONE_MIN);
$late_order = (int)($late_time/5) + 1;

//
$currenttab = 'none';
include('tabs.php');
//
$classes = autoattend_get_session_classes($course->id);
include('updateSession.html');

echo $OUTPUT->footer($course);