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<?php
//0= ABSENT //1= PRESENT //2=WO //mis on the 0,1,2,3,4th position of the status.!
include("include/config.inc.php");
$do=mysqli_real_escape_string($con,$_REQUEST['do']);
switch($do){
case "LeaveDates":
$start=mysqli_real_escape_string($con,$_REQUEST['start']);
$end=mysqli_real_escape_string($con,$_REQUEST['end']);
$html="Select Leave Days: [ WO: Weekly off , HD: Holiday ]<br>";
for($i=0;$change<$end;$i++){
$change=date("Y-m-d",strtotime($start." + $i day"));
$day=date("D",strtotime($change));
$checked="";
$wo="";
$hd="";
if($day=="Sun") {
$color="orange";
$checked="checked";
$wo="checked";
}else {
$color="#b5c0f4";
$checked="disabled";
$hd="disabled";
}
$html.="<div class='col-md-3' style='border:2px solid $color;border-radius:5px;'><label class='leaves_date_array_lbl' style='background-color: $color;padding:2px;border-radius:3px;'>".$change." <input type='checkbox' class='leaves_date_array' name='leaves[]' value='".$change."' $wo /></label>";
$html.="<label class='wo_lbl' style='background-color: $color;padding:2px;border-radius:3px;'>WO <input class='wo' type='checkbox' name='wo[]' value='wo' $checked /></label>";
$html.="<label class='hd_lbl' style='margin-right:10px;background-color: $color;padding:2px;border-radius:3px;'>HD <input class='hd' type='checkbox' name='hd[]' value='hd' $hd /></label>";
$html.="$day</div>";
}
$response=$html;
break;
//combined attendance generation begin:
case "Take":
$response=array();
$start=mysqli_real_escape_string($con,$_REQUEST['start']);
$end=mysqli_real_escape_string($con,$_REQUEST['end']);
$leaves=json_decode($_REQUEST['leaves']);
$wos=json_decode($_REQUEST['wos']);
$percentage=mysqli_real_escape_string($con,$_REQUEST['percentage']);
$alreadyQ=mysqli_query($con,"select date from attendance where date>='$start' AND date<='$end'");
$alreadyQ1=mysqli_query($con,"select date from t_attendance where date>='$start' AND date<='$end'");
$alreadyN=mysqli_num_rows($alreadyQ);
$alreadyN1=mysqli_num_rows($alreadyQ);
$already=array();
if($alreadyN>0||$alreadyN1>0){
$already[]="STUDENT:";
while($alreadyR=mysqli_fetch_array($alreadyQ)){
$already[]=$alreadyR['date'];
}
$already[]="TEACHER:";
while($alreadyR1=mysqli_fetch_array($alreadyQ1)){
$already[]=$alreadyR1['date'];
}
$response['status']=$already;
}else{
$R=mysqli_fetch_array(mysqli_query($con,"select in_time,out_time from time order by id desc limit 1"));
$s_t=date("H:i:s",strtotime($R['in_time']." -50 minutes"));
$e_t=date("H:i:s",strtotime($R['out_time']." -15 minutes"));
// $s_t=$R['in_time'];
// $e_t=$R['out_time'];
$time_arr=array();
for($i=0;$i<4800;$i++){
$time_arr[]=date("H:i:s",strtotime($s_t." +$i seconds"));
}
$time_arr1=array();
for($i=0;$i<2700;$i++){
$time_arr1[]=date("H:i:s",strtotime($e_t." +$i seconds"));
}
$data=array();
$t_data=array();
$totalattendance=0;
$t_totalattendance=0;
for($i=0;$change<$end;$i++){
$change=date("Y-m-d",strtotime($start." + $i day"));
$q=mysqli_query($con,"select id,absent from register");
while($r=mysqli_fetch_array($q)){
if(in_array($change,$leaves)||$r['absent']==1){
$flag=0;if(!empty($wos)&&in_array($change,$leaves))
if($wos[array_search($change,$leaves)]=="wo"){
$flag=2;
}
$data[]=$change."_".$r['id']."_".$flag."_";
continue;
}
$data[]=$change."_".$r['id']."_";
$totalattendance++;
}
$t_q=mysqli_query($con,"select id,absent from teacher");
while($t_r=mysqli_fetch_array($t_q)){
if(in_array($change,$leaves)||$t_r['absent']==1){
$flag=0;if(!empty($wos)&&in_array($change,$leaves))
if($wos[array_search($change,$leaves)]=="wo"){
$flag=2;
}
$t_data[]=$change."_".$t_r['id']."_".$flag."_";
continue;
}
$t_data[]=$change."_".$t_r['id']."_";
$t_totalattendance++;
}
}
$n=mysqli_num_rows(mysqli_query($con,"select id from register"));
$t_n=mysqli_num_rows(mysqli_query($con,"select id from teacher"));
$totaldays=$n*(dateDiff($start,$end)+1-count($leaves));
$t_totaldays=$t_n*(dateDiff($start,$end)+1-count($leaves));
$attendance=0;
do{
$random=mt_rand(0,count($data)-1);
if(explode("_",$data[$random])[2]=="0"||explode("_",$data[$random])[2]=="1"||in_array(explode("_",$data[$random])[0],$leaves)){
}
else{
$data[$random].="1";
$attendance++;
}
}while(($attendance*(100/$totalattendance))<$percentage&&$attendance!=$totalattendance);
$t_attendance=0;
do{
$t_random=mt_rand(0,count($t_data)-1);
if(explode("_",$t_data[$t_random])[2]=="0"||explode("_",$t_data[$t_random])[2]=="1"||in_array(explode("_",$t_data[$t_random])[0],$leaves)){
}
else{
$t_data[$t_random].="1";
$t_attendance++;
}
}while(($t_attendance*(100/$t_totalattendance))<$percentage&&$t_attendance!=$t_totalattendance);
//calculation over
//insertion:
for($i=0;$change1<$end;$i++){
$status="";
$change1=date("Y-m-d",strtotime($start." + $i day"));
// if(in_array($change1,$leaves)){ continue; }
for($j=0;$j<count($data);$j++){
$tarr=explode("_",$data[$j]);
$hajri=$tarr[2];
if(empty($hajri)){
$hajri=0;
}
if($change1==$tarr[0]){
$status.=$tarr[1]."_".$hajri.",";
}
}
mysqli_query($con,"insert into attendance (date,status) value ('$change1','$status')");
}
for($i=0;$t_change1<$end;$i++){
$t_status="";
$t_change1=date("Y-m-d",strtotime($start." + $i day"));
// if(in_array($t_change1,$leaves)){ continue; }
for($j=0;$j<count($t_data);$j++){
$t_tarr=explode("_",$t_data[$j]);
$t_hajri=$t_tarr[2];
if(empty($t_hajri)){
$t_hajri=0;
}
if($t_change1==$t_tarr[0]){
$t_status.=$t_tarr[1]."_".$t_hajri.",";
}
}
mysqli_query($con,"insert into t_attendance (date,status) value ('$t_change1','$t_status')");
}
//insertion over
//time
for($i=0;$changet<$end;$i++){
$changet=date("Y-m-d",strtotime($start." + $i day"));
// if(in_array($changet,$leaves)){ continue; }
$query=mysqli_query($con,"select * from attendance where date='$changet'");
while($row=mysqli_fetch_array($query)){
$person=explode(",",$row['status']);
$time_attendance=0;
for($j=0;$j<count($person);$j++){
if(explode("_",$person)[1]==1){
$time_attendance++;
}
$percen=$time_attendance*100/$attendance;
if($percen<=30){
$random_t=mt_rand(0,1199);
}else if($percen<=80){
$random_t=mt_rand(1800,2999);
}else{
$random_t=mt_rand(3000,4799);
}
if($percen<=20){
$random_t1=mt_rand(0,899);
}else{
$random_t1=mt_rand(900,2699);
}
$person[$j].="_".$time_arr[$random_t];
$person[$j].="_".$time_arr1[$random_t1];
}
//mis calculation:
$count=0;
$totalcount=count($person);
do{
$j=mt_rand(0,count($person)-1);
if(explode("_",$person[$j])[1]==2){ break;}
if(!explode("_",$person[$j])[1]==0){
$person[$j].="_mis";
$count++;
}
}while(($count*(100/$totalcount))<3);
$final=implode(',',$person);
mysqli_query($con,"update attendance set status='$final' where id='".$row['id']."'");
}
}
for($i=0;$t_changet<$end;$i++){
$t_changet=date("Y-m-d",strtotime($start." + $i day"));
// if(in_array($t_changet,$leaves)){ continue; }
$query=mysqli_query($con,"select * from t_attendance where date='$t_changet'");
while($row=mysqli_fetch_array($query)){
$t_person=explode(",",$row['status']);
$time_attendance=0;
for($j=0;$j<count($t_person);$j++){
if(explode("_",$t_person)[1]==1){
$time_attendance++;
}
$percen=$time_attendance*100/$attendance;
if($percen<=30){
$random_t=mt_rand(0,1199);
}else if($percen<=80){
$random_t=mt_rand(1800,2999);
}else{
$random_t=mt_rand(3000,4799);
}
if($percen<=20){
$random_t1=mt_rand(0,899);
}else{
$random_t1=mt_rand(900,2699);
}
$t_person[$j].="_".$time_arr[$random_t];
$t_person[$j].="_".$time_arr1[$random_t1];
}
//mis calculation:
$count=0;
$totalcount=count($t_person);
do{
$j=mt_rand(0,count($t_person)-1);
if(explode("_",$t_person[$j])[1]==2){ break;}
if(!explode("_",$t_person[$j])[1]==0){
$t_person[$j].="_mis";
$count++;
}
}while(($count*(100/$totalcount))<3);
$final=implode(',',$t_person);
mysqli_query($con,"update t_attendance set status='$final' where id='".$row['id']."'");
}
}
//time END
$response['status']=1;
mysqli_query($con,"insert into generation (start,end,type) values ('$start','$end','combined')");
}
break;
//student attendance generation begin:
case "TakeStudent":
$response=array();
$start=mysqli_real_escape_string($con,$_REQUEST['start']);
$end=mysqli_real_escape_string($con,$_REQUEST['end']);
$leaves=json_decode($_REQUEST['leaves']);
$wos=json_decode($_REQUEST['wos']);
$percentage=mysqli_real_escape_string($con,$_REQUEST['percentage']);
$alreadyQ=mysqli_query($con,"select date from attendance where date>='$start' AND date<='$end'");
$alreadyN=mysqli_num_rows($alreadyQ);
$already=array();
if($alreadyN>0){
while($alreadyR=mysqli_fetch_array($alreadyQ)){
$already[]=$alreadyR['date'];
}
$response['status']=$already;
}else{
$R=mysqli_fetch_array(mysqli_query($con,"select in_time,out_time from time order by id desc limit 1"));
$s_t=date("H:i:s",strtotime($R['in_time']." -50 minutes"));
$e_t=date("H:i:s",strtotime($R['out_time']." -15 minutes"));
// $s_t=$R['in_time'];
// $e_t=$R['out_time'];
$time_arr=array();
for($i=0;$i<4800;$i++){
$time_arr[]=date("H:i:s",strtotime($s_t." +$i seconds"));
}
$time_arr1=array();
for($i=0;$i<2700;$i++){
$time_arr1[]=date("H:i:s",strtotime($e_t." +$i seconds"));
}
$data=array();
$totalattendance=0;
for($i=0;$change<$end;$i++){
$change=date("Y-m-d",strtotime($start." + $i day"));
$q=mysqli_query($con,"select id,absent from register");
while($r=mysqli_fetch_array($q)){
if(in_array($change,$leaves)||$r['absent']==1){
$flag=0;if(!empty($wos)&&in_array($change,$leaves))
if($wos[array_search($change,$leaves)]=="wo"){
$flag=2;
}
$data[]=$change."_".$r['id']."_".$flag."_";
continue;
}
$data[]=$change."_".$r['id']."_";
$totalattendance++;
}
}
$n=mysqli_num_rows(mysqli_query($con,"select id from register"));
$totaldays=$n*(dateDiff($start,$end)+1-count($leaves));
$attendance=0;
do{
$random=mt_rand(0,count($data)-1);
if(explode("_",$data[$random])[2]=="0"||explode("_",$data[$random])[2]=="1"||in_array(explode("_",$data[$random])[0],$leaves)){
}
else{
$data[$random].="1";
$attendance++;
}
}while(($attendance*(100/$totalattendance))<$percentage&&$attendance!=$totalattendance);
// //calculation over
// //insertion:
for($i=0;$change1<$end;$i++){
$status="";
$change1=date("Y-m-d",strtotime($start." + $i day"));
// if(in_array($change1,$leaves)){ continue; }
for($j=0;$j<count($data);$j++){
$tarr=explode("_",$data[$j]);
$hajri=$tarr[2];
if(empty($hajri)){
$hajri=0;
}
if($change1==$tarr[0]){
$status.=$tarr[1]."_".$hajri.",";
}
}
mysqli_query($con,"insert into attendance (date,status) value ('$change1','$status')");
}
//insertion over
//time
for($i=0;$changet<$end;$i++){
$changet=date("Y-m-d",strtotime($start." + $i day"));
// if(in_array($changet,$leaves)){ continue; }
$query=mysqli_query($con,"select * from attendance where date='$changet'");
while($row=mysqli_fetch_array($query)){
$person=explode(",",$row['status']);
$time_attendance=0;
for($j=0;$j<count($person);$j++){
if(explode("_",$person)[1]==1){
$time_attendance++;
}
$percen=$time_attendance*100/$attendance;
if($percen<=30){
$random_t=mt_rand(0,1199);
}else if($percen<=80){
$random_t=mt_rand(1800,2999);
}else{
$random_t=mt_rand(3000,4799);
}
if($percen<=20){
$random_t1=mt_rand(0,899);
}else{
$random_t1=mt_rand(900,2699);
}
$person[$j].="_".$time_arr[$random_t];
$person[$j].="_".$time_arr1[$random_t1];
}
//mis calculation:
$count=0;
$totalcount=count($person);
do{
$j=mt_rand(0,count($person)-1);
if(explode("_",$person[$j])[1]==2){ break;}
if(!explode("_",$person[$j])[1]==0){
$person[$j].="_mis";
$count++;
}
}while(($count*(100/$totalcount))<3);
$final=implode(',',$person);
mysqli_query($con,"update attendance set status='$final' where id='".$row['id']."'");
}
}
//time END
$response['status']=1;
mysqli_query($con,"insert into generation (start,end,type) values ('$start','$end','student')");
}
break;
//teacher attendance generation begin:
case "TakeTeacher":
$response=array();
$start=mysqli_real_escape_string($con,$_REQUEST['start']);
$end=mysqli_real_escape_string($con,$_REQUEST['end']);
$leaves=json_decode($_REQUEST['leaves']);
$wos=json_decode($_REQUEST['wos']);
$percentage=mysqli_real_escape_string($con,$_REQUEST['percentage']);
$alreadyQ=mysqli_query($con,"select date from t_attendance where date>='$start' AND date<='$end'");
$alreadyN=mysqli_num_rows($alreadyQ);
$already=array();
if($alreadyN>0){
while($alreadyR=mysqli_fetch_array($alreadyQ)){
$already[]=$alreadyR['date'];
}
$response['status']=$already;
}else{
$R=mysqli_fetch_array(mysqli_query($con,"select in_time,out_time from time order by id desc limit 1"));
$s_t=date("H:i:s",strtotime($R['in_time']." -50 minutes"));
$e_t=date("H:i:s",strtotime($R['out_time']." -15 minutes"));
// $s_t=$R['in_time'];
// $e_t=$R['out_time'];
$time_arr=array();
for($i=0;$i<4800;$i++){
$time_arr[]=date("H:i:s",strtotime($s_t." +$i seconds"));
}
$time_arr1=array();
for($i=0;$i<2700;$i++){
$time_arr1[]=date("H:i:s",strtotime($e_t." +$i seconds"));
}
$data=array();
$t_totalattendance=0;
for($i=0;$change<$end;$i++){
$change=date("Y-m-d",strtotime($start." + $i day"));
$t_q=mysqli_query($con,"select id,absent from teacher");
while($t_r=mysqli_fetch_array($t_q)){
if(in_array($change,$leaves)||$t_r['absent']==1){
$flag=0;if(!empty($wos)&&in_array($change,$leaves))
if($wos[array_search($change,$leaves)]=="wo"){
$flag=2;
}
$t_data[]=$change."_".$t_r['id']."_".$flag."_";
continue;
}
$t_data[]=$change."_".$t_r['id']."_";
$t_totalattendance++;
}
}
$t_n=mysqli_num_rows(mysqli_query($con,"select id from teacher"));
$t_totaldays=$t_n*(dateDiff($start,$end)+1-count($leaves));
$t_attendance=0;
do{
$t_random=mt_rand(0,count($t_data)-1);
if(explode("_",$t_data[$t_random])[2]=="0"||explode("_",$t_data[$t_random])[2]=="1"||in_array(explode("_",$t_data[$t_random])[0],$leaves)){
}
else{
$t_data[$t_random].="1";
$t_attendance++;
}
}while(($t_attendance*(100/$t_totalattendance))<$percentage&&$t_attendance!=$t_totalattendance);
//calculation over
//insertion:
for($i=0;$t_change1<$end;$i++){
$t_status="";
$t_change1=date("Y-m-d",strtotime($start." + $i day"));
// if(in_array($t_change1,$leaves)){ continue; }
for($j=0;$j<count($t_data);$j++){
$t_tarr=explode("_",$t_data[$j]);
$t_hajri=$t_tarr[2];
if(empty($t_hajri)){
$t_hajri=0;
}
if($t_change1==$t_tarr[0]){
$t_status.=$t_tarr[1]."_".$t_hajri.",";
}
}
mysqli_query($con,"insert into t_attendance (date,status) value ('$t_change1','$t_status')");
}
//insertion over
//time
for($i=0;$t_changet<$end;$i++){
$t_changet=date("Y-m-d",strtotime($start." + $i day"));
// if(in_array($t_changet,$leaves)){ continue; }
$query=mysqli_query($con,"select * from t_attendance where date='$t_changet'");
while($row=mysqli_fetch_array($query)){
$t_person=explode(",",$row['status']);
$time_attendance=0;
for($j=0;$j<count($t_person);$j++){
if(explode("_",$t_person)[1]==1){
$time_attendance++;
}
$percen=$time_attendance*100/$attendance;
if($percen<=30){
$random_t=mt_rand(0,1199);
}else if($percen<=80){
$random_t=mt_rand(1800,2999);
}else{
$random_t=mt_rand(3000,4799);
}
if($percen<=20){
$random_t1=mt_rand(0,899);
}else{
$random_t1=mt_rand(900,2699);
}
$t_person[$j].="_".$time_arr[$random_t];
$t_person[$j].="_".$time_arr1[$random_t1];
}
//mis calculation:
$count=0;
$totalcount=count($t_person);
do{
$j=mt_rand(0,count($t_person)-1);
if(explode("_",$t_person[$j])[1]==2){ break;}
if(!explode("_",$t_person[$j])[1]==0){
$t_person[$j].="_mis";
$count++;
}
}while(($count*(100/$totalcount))<3);
$final=implode(',',$t_person);
mysqli_query($con,"update t_attendance set status='$final' where id='".$row['id']."'");
}
}
//time END
$response['status']=1;
mysqli_query($con,"insert into generation (start,end,type) values ('$start','$end','teacher')");
}
break;
case "View":
$date=mysqli_real_escape_string($con,$_REQUEST['date']);
$q=mysqli_query($con,"select status from attendance where date='$date'");
$r=mysqli_fetch_array($q);
$attendance=explode(",",$r['status']);
$response="";
for($i=0;$i<count($attendance)-1;$i++){
if(explode("_",$attendance[$i])[1]==0){
$status="Absent";
}else if(explode("_",$attendance[$i])[1]==1){
$status="Present";
}else{
$status="Leave";
}
$studentR=mysqli_fetch_array(mysqli_query($con,"select student_name,registration_no from register
where id=".explode("_",$attendance[$i])[0]));
$response.="<tr>
<td>".$studentR['registration_no']."</td>
<td>".$studentR['student_name']."</td>
<td>".$status."</td>
<td>".explode("_",$attendance[$i])[2]."</td>
<td>".explode("_",$attendance[$i])[3]."</td>
</tr>";
}
break;
}
function dateDiff($date1, $date2)
{
$date1_ts = strtotime($date1);
$date2_ts = strtotime($date2);
$diff = $date2_ts - $date1_ts;
return round($diff / 86400);
}
function change($time,$x){
return date("H:i:s",strtotime($time." $x seconds"));
}
echo json_encode($response);
?>