Refactor fetchData function and add getLink function

web/newWebsite/graph-main.js

@@ -1,8 +1,6 @@
 // Sample data - you can replace this with your actual dataset
 const data = [];
 processor = new DataProcessor();
-dateStart='2024-03-27%2011:47:11'
-dateEnd="2024-03-27%2011:47:11"
 
 // Function to create checkbox with label
 function createCheckBox(id, label) {
@@ -110,9 +108,15 @@ function createFilterContainer() {
   document.body.appendChild(container);
 }
 
+// Function to get the link for the get request
+function getLink(startDate, endDate, node) {
+  return link = "http://getMeasurements?dateStart=" + startDate.toISOString() + 
+                "&dateEnd=" + endDate.toISOString() + 
+                "&node=" + node;
+}
 // Get request to fetch data from the server
-function fetchData() {
-  fetch("http://145.92.8.114/getMeasurements?dateStart=2024-03-27%2011:47:11&dateEnd=2024-03-28%2011:47:11&node=113")
+function fetchData(link) {
+  fetch(link)
     .then((response) => {
       if (!response.ok) {
         throw new Error("Network response was not ok");