<?php
	header("Access-Control-Allow-Origin: *");
	header('Content-Type: application/json');	

	include 'config.php';

	$requestData = $_REQUEST;
	$columns = array(
		0 => 'id',
		1 => 'exam_id',
		2 => 'exam_name',
		3 => 'year',
	    4 => 'obc',
		5 => 'ex_servicemen',
		6 => 'comment',
		7 => 'added_date',
		8 => 'display_order',
		9 => 'status'
	);

	$getDataQuery  = "SELECT cutoff.id,cutoff.exam_id,cutoff.year,cutoff.obc,cutoff.ex_servicemen,cutoff.comment,cutoff.status,cutoff.added_date,cutoff.display_order,exams.exam_name FROM sp_exam_cutoff AS cutoff LEFT JOIN sp_exam AS exams ON exams.exam_id=cutoff.exam_id WHERE cutoff.exam_id !='' ";
	$getData=$db->prepare($getDataQuery);
	$getData->execute();
	$totalData = $getData->rowCount();
	$totalFiltered = $totalData;

	$searchTerms = "";
	if (!empty($requestData['search']['value'])) {
		$searchTerms .= " AND ( cutoff.exam_id LIKE '" . $requestData['search']['value'] . "%' ";
		$searchTerms .= " OR cutoff.year LIKE '%" . $requestData['search']['value'] . "%' ";
		$searchTerms .= " OR cutoff.obc LIKE '%" . $requestData['search']['value'] . "%' ";
		$searchTerms .= " OR cutoff.ex_servicemen LIKE '%" . $requestData['search']['value'] . "%' ";
		$searchTerms .= " OR exams.exam_name LIKE '%" . $requestData['search']['value'] . "%' ) ";
	}

	$getDataQuery  = "SELECT cutoff.id,cutoff.exam_id,cutoff.year,cutoff.obc,cutoff.ex_servicemen,cutoff.comment,cutoff.status,cutoff.added_date,cutoff.display_order,exams.exam_name FROM sp_exam_cutoff AS cutoff LEFT JOIN sp_exam AS exams ON exams.exam_id=cutoff.exam_id WHERE cutoff.exam_id !=''  $searchTerms";

	$getData=$db->prepare($getDataQuery);
	$getData->execute();
	$totalFiltered = $getData->rowCount();

	$getDataQuery .= " ORDER BY " . $columns[$requestData['order'][0]['column']] . " " . $requestData['order'][0]['dir'] . "  LIMIT " . $requestData['start'] . ", " . $requestData['length'] . "   ";

	$getData=$db->prepare($getDataQuery);
	$getData->execute();

	$data = array();
	while ($querydata = $getData->fetch()) {

		$nestedData = array();
		$nestedData["id"] = $querydata['id'];
		$nestedData["exam_id"] = $querydata['exam_id'];
		$nestedData["exam_name"] = $querydata['exam_name'];
		$nestedData["year"] = $querydata['year'];
		$nestedData["obc"] = $querydata['obc'];
		$nestedData["ex_servicemen"] = $querydata['ex_servicemen'];
	    $nestedData["comment"] = $querydata['comment'];
	    $nestedData["added_date"] = $querydata['added_date'];
	    $nestedData["display_order"] = $querydata['display_order'];
	    $nestedData["status"] = $querydata['status'];
		$data[] = $nestedData;
	}

	$json_data = array(
		"draw"            => intval($requestData['draw']),
		"recordsTotal"    => intval($totalData),
		"recordsFiltered" => intval($totalFiltered),
		"data"            => $data
	);
	echo json_encode($json_data);
?>