ohctech_p8/get_availabe_slots.php

<?php 

include('includes/config/config.php');
include('includes/functions.php');
include_once('log_entry.php');
$slot=$_REQUEST['slot'];
$date = $_REQUEST['appointment_book_date'];
$doc = $_REQUEST['doc'];
$sql = "SELECT count(*) as booked from appointment_details  where date(date)=str_to_date('".$date."','%Y-%m-%d') and ohc_type_id='".$_SESSION['current_ohcttype']."' and time ='".$slot."' and doctor_id='".$doc."' and app_type='".$_POST['app_type']."'";

error_log($sql."select_slot");

if (!$result = @mysqli_query($conn,$sql)) {
    die(mysqli_error($conn));
}
$data = array();

while ($row = mysqli_fetch_assoc($result)) {
    if($_POST['app_type']=="MED"){
        $total_slot=getTableFieldValue('doc_slots','sum(slot_count)','slot_id',$slot,"slot_date","'".$date."'",'ohc_type_id',"'".$_SESSION['current_ohcttype']."'");
    }else{
        $total_slot=getTableFieldValue('doc_slots','sum(slot_count)','slot_id',$slot,"slot_date","'".$date."'",'ohc_type_id',"'".$_SESSION['current_ohcttype']."'",'emp_id',"'".$_POST['doc']."'");
    }
    


    $data['slot_available']=$total_slot-$row['booked'];
}
$data['count']=mysqli_num_rows($result);
error_log('data '.print_r($data,true));
echo json_encode($data);
?>