<?php
 
include_once("./lib/common.inc.php");
setlocale(LC_CTYPE, 'C');
// source: http://stackoverflow.com/questions/81934/easy-way-to-export-a-sql-table-without-access-to-the-server-or-phpmyadmin#81951
$query = $conn->prepare('
SELECT "CNID",contractnotice."agencyName",agency.abn as "agencyABN",EXTRACT(EPOCH FROM "publishDate") as "publishDate",EXTRACT(EPOCH FROM "contractStart") as "contractStart",EXTRACT(EPOCH FROM "contractEnd") as "contractEnd",value,description,"procurementMethod",category,"categoryUNSPSC", 
 "supplierABN","supplierName",
(
 case when "supplierABN" != 0 THEN "supplierABN"::text ELSE "supplierName" END) as supplierID,
 
(\'https://www.tenders.gov.au/?event=public.advancedsearch.keyword&keyword=CN\'::text || "CNID"::text) as sourceURL 
FROM contractnotice join agency on contractnotice."agencyName"=agency."agencyName" where "childCN" = 0'
, array(PDO::ATTR_CURSOR => PDO::FETCH_ORI_NEXT));
// "supplierCity","supplierPostcode","supplierCountry","contactPostcode",
// (substr( "categoryUNSPSC"::text, 0, 2 ) || \'0000000\'::text) as "categoryUNSPSClv1", "categoryUNSPSC", (substr( "categoryUNSPSC"::text, 0, 3 ) || \'000000\'::text) as "categoryUNSPSClv2" "categoryUNSPSC", (substr( "categoryUNSPSC"::text, 0, 4 ) || \'00000\'::text as "categoryUNSPSClv3")
$query->execute();
if (!$query) {
    databaseError($conn->errorInfo());
die('Couldn\'t fetch records');
}
 
$num_fields = $query->columnCount();
$headers = array();
for ($i = 0; $i < $num_fields; $i++) {
    $meta = $query->getColumnMeta($i);
    $headers[] = $meta['name'];
}
$fp = fopen('php://output', 'w');
if ($fp && $query) {
    header('Content-Type: text/csv');
    header('Content-Disposition: attachment; filename="export.'.date("c").'.csv"');
    header('Pragma: no-cache');
    header('Expires: 0');
    fputcsv($fp, $headers);
 while ($row = $query->fetch(PDO::FETCH_NUM, PDO::FETCH_ORI_NEXT)) {
        foreach ($row as $key => &$colvalue) {
       
                        $colvalue =  preg_replace( '/[^[:print:]]/', '',
                         utf8_encode($colvalue));
             if ($headers[$key] == "publishDate" || $headers[$key] ==  "contractStart" 
             || $headers[$key] ==  "contractEnd") {
                 $colvalue = date("Y-m-d",$colvalue);
             }
                }
        fputcsv($fp, array_values($row));
    }
    die;
}
?>