Merge remote-tracking branch 'origin/21-add-functionality-for-listing-query-results-in-frontend' into 21-add-functionality-for-listing-query-results-in-frontend

src/main/resources/static/main.js

@@ -198,7 +198,23 @@ function updateSections() {
     }
 }
 
+// fetches the further categories used in the filter function
+function fetchCategories() {
+    const fetchURL = new URL(
+        "api/v1/categories" , baseURL);
+    fetch(fetchURL)
+        .then(resp => resp.json())
+        .then((data) => {
+            for (let i = 0; i < data.length; i++) {
+                let category = data[i].toLowerCase();
+                category = category.charAt(0).toUpperCase() + category.slice(1);
+                document.getElementById("other-categories").appendChild(new Option(category));
+            }
+        });
+}
+
 window.onload = function () {
+    fetchCategories();
     updateSections();
     if (searchBar.value !== "") {
         search(searchBar.value);