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nextjs/src/hooks/hookHydration.ts

@@ -1,5 +1,5 @@
 import { QueryClient } from "@tanstack/react-query";
-import { localCourseKeys } from "./localCourse/localCoursesHooks";
+import { localCourseKeys } from "./localCourse/localCourseKeys";
 import { fileStorageService } from "@/services/fileStorage/fileStorageService";
 
 export const hydrateCourses = async (queryClient: QueryClient) => {
@@ -14,7 +14,52 @@ export const hydrateCourse = async (
   courseName: string
 ) => {
   const settings = await fileStorageService.getCourseSettings(courseName);
-  const moduleNames = await fileStorageService.getModuleNames(courseName)
+  const moduleNames = await fileStorageService.getModuleNames(courseName);
+  const modulesData = await Promise.all(
+    moduleNames.map(async (moduleName) => {
+      const [assignmentNames, pageNames, quizNames] = await Promise.all([
+        await fileStorageService.getAssignmentNames(courseName, moduleName),
+        await fileStorageService.getPageNames(courseName, moduleName),
+        await fileStorageService.getQuizNames(courseName, moduleName),
+      ]);
+
+      const [assignments, quizzes, pages] = await Promise.all([
+        await Promise.all(
+          assignmentNames.map(
+            async (assignmentName) =>
+              await fileStorageService.getAssignment(
+                courseName,
+                moduleName,
+                assignmentName
+              )
+          )
+        ),
+        await Promise.all(
+          quizNames.map(
+            async (quizName) =>
+              await fileStorageService.getQuiz(courseName, moduleName, quizName)
+          )
+        ),
+        await Promise.all(
+          pageNames.map(
+            async (pageName) =>
+              await fileStorageService.getPage(courseName, moduleName, pageName)
+          )
+        ),
+      ]);
+
+      return {
+        moduleName,
+        assignmentNames,
+        pageNames,
+        quizNames,
+        assignments,
+        quizzes,
+        pages,
+      };
+    })
+  );
+
   await queryClient.prefetchQuery({
     queryKey: localCourseKeys.settings(courseName),
     queryFn: () => settings,
@@ -23,4 +68,70 @@ export const hydrateCourse = async (
     queryKey: localCourseKeys.moduleNames(courseName),
     queryFn: () => moduleNames,
   });
+
+  await Promise.all(
+    modulesData.map(
+      async ({
+        moduleName,
+        assignmentNames,
+        pageNames,
+        quizNames,
+        assignments,
+        quizzes,
+        pages,
+      }) => {
+        await queryClient.prefetchQuery({
+          queryKey: localCourseKeys.assignmentNames(courseName, moduleName),
+          queryFn: () => assignmentNames,
+        });
+        await Promise.all(
+          assignments.map(
+            async (assignment) =>
+              await queryClient.prefetchQuery({
+                queryKey: localCourseKeys.assignment(
+                  courseName,
+                  moduleName,
+                  assignment.name
+                ),
+                queryFn: () => assignment,
+              })
+          )
+        );
+        await queryClient.prefetchQuery({
+          queryKey: localCourseKeys.quizNames(courseName, moduleName),
+          queryFn: () => quizNames,
+        });
+        await Promise.all(
+          quizzes.map(
+            async (quiz) =>
+              await queryClient.prefetchQuery({
+                queryKey: localCourseKeys.quiz(
+                  courseName,
+                  moduleName,
+                  quiz.name
+                ),
+                queryFn: () => quiz,
+              })
+          )
+        );
+        await queryClient.prefetchQuery({
+          queryKey: localCourseKeys.pageNames(courseName, moduleName),
+          queryFn: () => pageNames,
+        });
+        await Promise.all(
+          pages.map(
+            async (page) =>
+              await queryClient.prefetchQuery({
+                queryKey: localCourseKeys.page(
+                  courseName,
+                  moduleName,
+                  page.name
+                ),
+                queryFn: () => page,
+              })
+          )
+        );
+      }
+    )
+  );
 };