Update uml evlauation and tutor view

Co-authored-by: Copilot <copilot@github.com>

Author: ZiyaSelim

app/courses/[courseId]/uml/[umlId]/lecturer.tsx

@@ -13,17 +13,18 @@ import {
   Tabs,
 } from "@mui/material";
 import { useParams } from "next/navigation";
+import { useMemo, useState } from "react";
 import { useLazyLoadQuery, useMutation } from "react-relay";
 
 import {
+  umlApiFindUserInfosQuery,
   umlApiGetLecturerExerciseOverviewQuery,
   umlApiUpdateTutorSolutionMutation,
 } from "@/components/hylimo/api/UmlApi";
 import { getSemanticModel } from "@/components/hylimo/semanticModelGenerator";
 import { AddUMLAssignmentModal } from "@/components/uml-assignment/AddUMLAssignmentModal";
 import ExerciseInfoTab from "@/components/uml-assignment/ExerciseInfoTab";
 import SubmissionsTab from "@/components/uml-assignment/SubmissionsTab";
-import { useState } from "react";
 
 export default function LecturerUmlAssignment() {
   const { umlId } = useParams();
@@ -38,6 +39,36 @@ export default function LecturerUmlAssignment() {
     { fetchPolicy: "network-only", fetchKey: refreshKey }
   );
 
+  const studentIds = useMemo(() => {
+    const ids =
+      data?.getUmlExerciseByAssessmentId?.studentSubmissions?.map(
+        (sub: any) => sub.studentId
+      ) || [];
+
+    // Defensive: filter out empty values and duplicates before querying user infos.
+    return Array.from(new Set(ids.filter((id: any) => typeof id === "string" && id.length > 0)));
+  }, [data?.getUmlExerciseByAssessmentId?.studentSubmissions]);
+
+  // Fetch user infos for all students
+  const userInfosData = useLazyLoadQuery<any>(
+    umlApiFindUserInfosQuery,
+    { ids: studentIds },
+    { fetchPolicy: "network-only" }
+  );
+
+  const userInfos = useMemo(() => {
+    const userMap: Record<string, any> = {};
+    if (userInfosData?.findUserInfos) {
+      userInfosData.findUserInfos.forEach((user: any) => {
+        // Backend may return null entries when referenced users no longer exist.
+        if (user?.id) {
+          userMap[user.id] = user;
+        }
+      });
+    }
+    return userMap;
+  }, [userInfosData?.findUserInfos]);
+
   const [updateTutorSolution, isUpdating] = useMutation(
     umlApiUpdateTutorSolutionMutation
   );
@@ -114,7 +145,7 @@ export default function LecturerUmlAssignment() {
             isUpdating={isUpdating}
           />
         ) : tabIndex === 1 ? (
-          <SubmissionsTab exercise={exercise} />
+          <SubmissionsTab exercise={exercise} userInfos={userInfos} />
         ) : null}
       </Box>
       {isEditModalOpen && exercise && content && (

app/courses/[courseId]/uml/[umlId]/page.tsx

@@ -5,8 +5,7 @@ import StudentUMLAssignment from "@/app/courses/[courseId]/uml/[umlId]/student";
 import { PageError } from "@/components/PageError";
 import { PageView, usePageView } from "@/src/currentView";
 import { isUUID } from "@/src/utils";
-import ConstructionIcon from "@mui/icons-material/Construction";
-import { Alert, AlertTitle, Container } from "@mui/material";
+import { Container } from "@mui/material";
 import { useParams } from "next/navigation";
 
 export default function UMLAssignmentPage() {
@@ -24,20 +23,6 @@ export default function UMLAssignmentPage() {
     case PageView.Lecturer:
       return (
         <Container maxWidth={false} sx={{ py: 2 }}>
-          {/* WIP Disclaimer */}
-          <Alert
-            severity="warning"
-            icon={<ConstructionIcon fontSize="inherit" />}
-            sx={{ mb: 3, borderRadius: 2 }}
-          >
-            <AlertTitle sx={{ fontWeight: "bold" }}>
-              Work in Progress (WIP)
-            </AlertTitle>
-            The Lecturer view for UML assignments is currently under
-            development. Features like manual feedback overrides and class
-            statistics are not yet finalized.
-          </Alert>
-
           <LecturerUmlAssignment />
         </Container>
       );