Improved part of the performance of the dashboards

src/pages/dashboard/developer.tsx

@@ -4,7 +4,7 @@ import UserDisplayList from "@/components/UserDisplayList";
 import IconCard from "@/components/IconCard";
 import { EntityWithRoles } from "@/interfaces/entity";
 import { Assignment } from "@/interfaces/results";
-import { Group, Stat, Type, User } from "@/interfaces/user";
+import { Group, Stat, StudentUser, Type, User } from "@/interfaces/user";
 import { sessionOptions } from "@/lib/session";
 import { dateSorter, filterBy, mapBy, redirect, serialize } from "@/utils";
 import { requestUser } from "@/utils/api";
@@ -51,7 +51,7 @@ export const getServerSideProps = withIronSessionSsr(async ({ req, res }) => {
 
 	if (!checkAccess(user, ["admin", "developer"])) return redirect("/")
 
-	const students = await getUsers({ type: 'student' });
+	const students = await getUsers({ type: 'student' }, 10, { averageLevel: -1 });
 	const usersCount = {
 		student: await countUsers({ type: "student" }),
 		teacher: await countUsers({ type: "teacher" }),
@@ -66,20 +66,18 @@ export const getServerSideProps = withIronSessionSsr(async ({ req, res }) => {
 	const assignmentsCount = await countEntitiesAssignments(mapBy(entities, 'id'), { archived: { $ne: true } });
 	const groupsCount = await countGroups();
 
-	const stats = await getStatsByUsers(mapBy(students, 'id'));
-
-	return { props: serialize({ user, students, latestStudents, latestTeachers, usersCount, entities, assignmentsCount, stats, groupsCount }) };
+	return { props: serialize({ user, students, latestStudents, latestTeachers, usersCount, entities, assignmentsCount, groupsCount }) };
 }, sessionOptions);
 
 export default function Dashboard({
 	user,
-	students,
+	students = [],
 	latestStudents,
 	latestTeachers,
 	usersCount,
 	entities,
 	assignmentsCount,
-	stats,
+	stats = [],
 	groupsCount
 }: Props) {
 	const router = useRouter();
@@ -170,7 +168,7 @@ export default function Dashboard({
 						title="Latest Teachers"
 					/>
 					<UserDisplayList
-						users={students.sort((a, b) => calculateAverageLevel(b.levels) - calculateAverageLevel(a.levels))}
+						users={students}
 						title="Highest level students"
 					/>
 					<UserDisplayList