FrontEnd Bug Fix

anwendung/src/pages/semesteroverview.js

@@ -5,6 +5,7 @@ import InputForm from "@/components/InputForm";
 import {useRouter} from "next/router";
 import PopUp from "@/components/PopUp";
 import Background from "@/components/Background";
+import Logout from "@/components/Logout";
 
 export default function SemesterOverview(p)
 {
@@ -12,9 +13,14 @@ export default function SemesterOverview(p)
     {
         let urlTest = "http://localhost:8080/semester/all?sessionid=" + localStorage.getItem("sessionid");
 
-        await fetch(urlTest).then(response => response.json()).then(s => {
-            setEntries(s)
-        })
+        try {
+            await fetch(urlTest).then(response => response.json()).then(s => {
+                setEntries(s)
+            })
+        } catch(e)
+        {
+            router.push("/")
+        }
     }
 
     function onClickSemester(e, m)
@@ -83,8 +89,17 @@ export default function SemesterOverview(p)
 
     useEffect(() => {
         getSemesters();
+        let checkURL = "http://localhost:8080/users/check?sessionid=" + localStorage.getItem("sessionid");
+        try {
+            fetch(checkURL).then(r => console.log(r))
+        }
+        catch(e)
+        {
+            router.push("/")
+        }
     }, [])
 
+
     const [entries, setEntries] = useState([])
     const [modalDisplay, setModalDisplay] = useState("none");
     const [modalHint, setModalHint] = useState("");
@@ -92,6 +107,7 @@ export default function SemesterOverview(p)
 
     return (
         <div className={"semester-overview"}>
+            <Logout/>
             <Background/>
             {
                 entries.map(e => (<SemesterTile text={e.name} onClick={(f) => onClickSemester(e, f)} onButtonDeleteClick={() => {