diff --git a/dataCollector/dataCollector.php b/dataCollector/dataCollector.php
index 26c3c12..8963c64 100644
--- a/dataCollector/dataCollector.php
+++ b/dataCollector/dataCollector.php
@@ -13,15 +13,22 @@ function objectToArray($object, $fullJSON) {
         $object -> countWatchD];
 }
 
-function findRowIndex($id, $data) {
-    $rowCounter = -1;
-    foreach ($data as $row) {
-        $rowCounter ++;
-        if($row[0] == $id) {
-            return $rowCounter;
-        }
-    }
-    return $rowCounter + 1;
+$databaseAddress = "127.0.0.1";
+$databasePort = "3306";
+$databaseName = "u517357132_genderwatchpro";
+$databaseUser = "u517357132_genderwatchpro";
+$databasePassword = "zU!7gRHA6x";
+$mysqli = new mysqli($databaseAddress, $databaseUser, $databasePassword, $databaseName);
+
+
+$mysqli = new mysqli($databaseAddress, $databaseUser, $databasePassword, $databaseName);
+
+function saveToDatabase($contentArray, $mysqli) {
+    $mysqli->query("INSERT INTO `u517357132_genderwatchpro` (`id`, `fullJSON`, `timeWatchM`,`timeWatchW`, `timeWatchD`, `countWatchM`, `countWatchW`, `countWatchD`) values ($contentArray[0], $contentArray[2], $contentArray[3], $contentArray[4], $contentArray[5], $contentArray[6], $contentArray[7], $contentArray[8]) ON DUPLICATE KEY UPDATE `id` = $contentArray[0]");
+}
+
+function getFromDatabase() {
+
 }
 
 $entityBody = '{"lastSave": 0, "timeWatchM": 0, "timeWatchW": 0, "timeWatchD": 0, "countWatchM": 0, "countWatchW": 0, "countWatchD": 0, "id":"test","watches":[{"actions":[]},{"actions":[]},{"actions":[]}]}';
@@ -32,20 +39,11 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
     echo "POST Request received.<br>";
 
     if(property_exists($entityBodyObject, "id")) {
-        $data = read_xls_file($fileName);
-
-        foreach ($data as $row) {
-            echo "new Row: <br>";
-            foreach ($row as $cell) {
-                echo $cell." ";
-            }
-        }
-
-        $rowIndex = findRowIndex($entityBodyObject->id, $data);
-        $data[$rowIndex] = objectToArray($entityBodyObject, $entityBody);
-        write_xlsxFile($fileName, $data);
+        saveToDatabase(objectToArray($entityBodyObject, $entityBody), $mysqli);
         echo "<br>Data saved.<br>";
     }
+} elseif($_SERVER['REQUEST_METHOD'] === 'GET') {
+    download_xlsxFile(getFromDatabase());
 } else {
     echo "invalid Request.<br> Type: ".$_SERVER['REQUEST_METHOD'];
 }
diff --git a/spreadSheetReader/read_write_xlsx.php b/spreadSheetReader/read_write_xlsx.php
index 1421736..577dfd7 100644
--- a/spreadSheetReader/read_write_xlsx.php
+++ b/spreadSheetReader/read_write_xlsx.php
@@ -1,19 +1,9 @@
 <?php
 require $_SERVER['DOCUMENT_ROOT'] . '/spreadSheetReader/SimpleXLSX.php';
 require $_SERVER['DOCUMENT_ROOT'] . '/spreadSheetReader/SimpleXLSXGen.php';
-function read_xls_file($filename){
-    $fileContent = [];
-    if ($xlsx = SimpleXLSX::parse($filename)) {
-        $fileContent = ($xlsx->rows());
-    } else {
-        echo SimpleXLSX::parseError();
-    }
-    return $fileContent;
-}
 
 
-
-function write_xlsxFile($filename, $data) {
+function download_xlsxFile($data) {
     $xlsx = SimpleXLSXGen::fromArray($data);
-    $xlsx->saveAs($filename);
+    $xlsx->downloadAs("data.xlsx");
 }
\ No newline at end of file