<?php
	require_once '../../../autoload.php';

	require( '../../GetDataFromDB.php' );
	
	$toProcess = true;

	$type 			= '';
	$description 	= '';
	$anatomicregion	= '';

	if ( isset ($_GET ['type'] ) )		  		$type 			= $_GET['type'];
	if ( isset ($_GET ['description'] ) )  		$description 	= $_GET['description'];
	if ( isset ($_GET ['anatomicregion'] ) ) 	$anatomicregion = $_GET['anatomicregion'];

	$draw			= $_GET ['draw'];
	$start			= $_GET ['start'];
	$length			= $_GET ['length'];

	$columns 		= $_GET ['columns'];
	$order			= $_GET ['order'];
	$orderCol		= $order [0]['column'];
	$orderDir		= $order [0]['dir'];
	$orderColName	= $columns [$orderCol]['data'];
	$orderby		= " ORDER BY ".$orderColName." ".$orderDir;

	$limit = '';


	if ( isset($_GET['start']) && $_GET['length'] != -1 )
	{
			$limit = " OFFSET ".intval($_GET['start'])." LIMIT ".intval($_GET['length']);
	}

	$where = "";
	if ( $anatomicregion != "" )
		$where = " and anatomicregion ilike '%".$anatomicregion."%'";
	if ( $type != "" )
		$where .= " and type = '".$type."'";
	$psql = "select mstud_id,description,anatomicregion,ri::integer as ri,type from master_study_description where mstud_id != -1 and removed = false and description ilike '%".$description."%'".$where;
	// $psql = "select mstud_id,description,anatomicregion,ri::integer as ri,type from master_study_description where mstud_id != -1 and removed = false and description ilike '%".$description."%' and ( anatomicregion is null or anatomicregion ilike '%".$anatomicregion."%')";

	error_log ( "GetMasterStudiesListDT : " .$psql );

		$recordsTotal 		= 1000;
		$recordsFiltered	= 0;

		$data				= Array ();

		if ( $toProcess == true )
				$data = GetDataFromDB ( $psql, $recordsFiltered, $limit, $orderby );

		$arr = array (
				"draw"            => intval( $draw ),
				"recordsTotal"    => intval( $recordsTotal ),
				"recordsFiltered" => intval( $recordsFiltered ),
				"data"            => $data,
				"sql"			  => $psql.$orderby.$limit
			);

		$result = json_encode ( $arr );

		echo $result;

?>