mostly proper assignment name updates

nextjs/src/app/api/courses/[courseName]/modules/[moduleName]/assignments/[assignmentName]/route.ts

@@ -31,8 +31,8 @@ export const PUT = async (
     const { assignment, previousModuleName, previousAssignmentName } =
       (await request.json()) as {
         assignment: LocalAssignment;
-        previousModuleName?: string;
-        previousAssignmentName?: string;
+        previousModuleName: string;
+        previousAssignmentName: string;
       };
 
     await fileStorageService.assignments.updateOrCreateAssignment({
@@ -43,10 +43,8 @@ export const PUT = async (
     });
 
     if (
-      previousModuleName &&
-      previousAssignmentName &&
-      (assignment.name !== previousAssignmentName ||
-        moduleName !== previousModuleName)
+      assignment.name !== previousAssignmentName ||
+      moduleName !== previousModuleName
     ) {
       fileStorageService.assignments.delete({
         courseName,

nextjs/src/app/course/[courseName]/modules/[moduleName]/assignment/[assignmentName]/EditAssignment.tsx

@@ -7,7 +7,7 @@ import {
 import { localAssignmentMarkdown } from "@/models/local/assignment/localAssignment";
 import { useEffect, useState } from "react";
 import AssignmentPreview from "./AssignmentPreview";
-import { getCourseUrl } from "@/services/urlUtils";
+import { getCourseUrl, getModuleItemUrl } from "@/services/urlUtils";
 import Link from "next/link";
 import { useCourseContext } from "@/app/course/[courseName]/context/courseContext";
 import { useLocalCourseSettingsQuery } from "@/hooks/localCourse/localCoursesHooks";
@@ -23,6 +23,7 @@ import ClientOnly from "@/components/ClientOnly";
 import { SuspenseAndErrorHandling } from "@/components/SuspenseAndErrorHandling";
 import { AssignmentSubmissionType } from "@/models/local/assignment/assignmentSubmissionType";
 import { LocalCourseSettings } from "@/models/local/localCourse";
+import { useRouter } from "next/navigation";
 
 export default function EditAssignment({
   moduleName,
@@ -31,6 +32,8 @@ export default function EditAssignment({
   assignmentName: string;
   moduleName: string;
 }) {
+  const router = useRouter();
+  const { courseName } = useCourseContext();
   const { data: settings } = useLocalCourseSettingsQuery();
   const { data: assignment } = useAssignmentQuery(moduleName, assignmentName);
   const updateAssignment = useUpdateAssignmentMutation();
@@ -52,12 +55,24 @@ export default function EditAssignment({
           localAssignmentMarkdown.toMarkdown(updatedAssignment)
         ) {
           console.log("updating assignment");
-          updateAssignment.mutate({
+          updateAssignment
+            .mutateAsync({
               assignment: updatedAssignment,
               moduleName,
-            assignmentName,
+              assignmentName: updatedAssignment.name,
               previousModuleName: moduleName,
-            previousAssignmentName: assignment.name,
+              previousAssignmentName: assignmentName,
+            })
+            .then(() => {
+              if (updatedAssignment.name !== assignmentName)
+                router.replace(
+                  getModuleItemUrl(
+                    courseName,
+                    moduleName,
+                    "assignment",
+                    updatedAssignment.name
+                  )
+                );
             });
         }
         setError("");
@@ -73,7 +88,9 @@ export default function EditAssignment({
     assignment,
     assignmentName,
     assignmentText,
+    courseName,
     moduleName,
+    router,
     updateAssignment,
   ]);
 

nextjs/src/app/course/[courseName]/modules/[moduleName]/page/[pageName]/EditPage.tsx

@@ -52,7 +52,7 @@ export default function EditPage({
             })
             .then(() => {
               if (updatedPage.name !== pageName)
-                router.push(
+                router.replace(
                   getModuleItemUrl(
                     courseName,
                     moduleName,
@@ -71,7 +71,7 @@ export default function EditPage({
     return () => {
       clearTimeout(handler);
     };
-  }, [moduleName, page, pageName, pageText, updatePage]);
+  }, [courseName, moduleName, page, pageName, pageText, router, updatePage]);
 
   return (
     <div className="h-full flex flex-col">

nextjs/src/app/course/[courseName]/modules/[moduleName]/quiz/[quizName]/EditQuiz.tsx

@@ -92,7 +92,7 @@ export default function EditQuiz({
             })
             .then(() => {
               if (updatedQuiz.name !== quizName)
-                router.push(
+                router.replace(
                   getModuleItemUrl(
                     courseName,
                     moduleName,

nextjs/src/hooks/localCourse/assignmentHooks.ts

@@ -105,10 +105,8 @@ export const useUpdateAssignmentMutation = () => {
       assignmentName: string;
     }) => {
       if (
-        previousAssignmentName &&
-        previousModuleName &&
-        (previousAssignmentName !== assignment.name ||
-          previousModuleName !== moduleName)
+        previousAssignmentName !== assignment.name ||
+        previousModuleName !== moduleName
       ) {
         queryClient.removeQueries({
           queryKey: localCourseKeys.assignment(