genderwatchprotocol/dataCollector/dataCollector.php

<?php
require $_SERVER['DOCUMENT_ROOT'] . '/spreadSheetReader/read_write_xlsx.php';
$fileName = $_SERVER['DOCUMENT_ROOT'] . '/data/data.xlsx';
function objectToArray($object, $fullJSON) {
    return [$object -> id,
        $object -> lastSave,
        $fullJSON,
        $object -> timeWatchM,
        $object -> timeWatchW,
        $object -> timeWatchD,
        $object -> countWatchM,
        $object -> countWatchW,
        $object -> countWatchD];
}

$databaseAddress = "127.0.0.1";
$databasePort = "3306";
$databaseName = "u517357132_genderwatchpro";
$databaseUser = "u517357132_genderwatchpro";
$databasePassword = "zU!7gRHA6x";
$link = mysqli_connect($databaseAddress, $databaseUser, $databasePassword, $databaseName);
if (!$link) {
    die('Could not connect to Database: ' . mysql_error());
}
//if connection is successfully you will see message below
echo 'Connected successfully to Database<br>';

mysqli_close($link);
//$mysqli = new mysqli($databaseAddress, $databaseUser, $databasePassword, $databaseName);

function saveToDatabase($contentArray, $mysqli) {
    echo "sending Query to Database<br>";
    $response =  mysqli_query($mysqli, "INSERT INTO `topics` (`id`, `fullJSON`, `timeWatchM`,`timeWatchW`, `timeWatchD`, `countWatchM`, `countWatchW`, `countWatchD`) values ($contentArray[0], $contentArray[2], $contentArray[3], $contentArray[4], $contentArray[5], $contentArray[6], $contentArray[7], $contentArray[8]) ON DUPLICATE KEY UPDATE `id` = $contentArray[0]");
    echo "Query sent<br>";
    echo $response;
    return $response;
}

function getFromDatabase() {
    return [];
}

$entityBody = '{"lastSave": 0, "timeWatchM": 0, "timeWatchW": 0, "timeWatchD": 0, "countWatchM": 0, "countWatchW": 0, "countWatchD": 0, "id":"test","watches":[{"actions":[]},{"actions":[]},{"actions":[]}]}';
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $entityBody = file_get_contents('php://input');
    $entityBodyObject = json_decode($entityBody);

    echo "POST Request received.<br>";

    if(property_exists($entityBodyObject, "id")) {
        saveToDatabase(objectToArray($entityBodyObject, $entityBody), $link);
        echo "<br>Data saved.<br>";
    }
} elseif($_SERVER['REQUEST_METHOD'] === 'GET') {
    download_xlsxFile(getFromDatabase());
} else {
    echo "invalid Request.<br> Type: ".$_SERVER['REQUEST_METHOD'];
}




mysqli_close( );