fix: cache version information for 3 hours

frontend/src/lib/types/application-configuration.ts

@@ -16,3 +16,9 @@ export type AppConfigRawResponse = {
 	type: string;
 	value: string;
 }[];
+
+export type AppVersionInformation = {
+	isUpToDate: boolean;
+	newestVersion: string;
+	currentVersion: string;
+};

frontend/src/routes/settings/+layout.server.ts

@@ -0,0 +1,24 @@
+import AppConfigService from '$lib/services/app-config-service';
+import type { AppVersionInformation } from '$lib/types/application-configuration';
+import type { LayoutServerLoad } from './$types';
+
+let versionInformation: AppVersionInformation;
+let versionInformationLastUpdated: number;
+
+export const load: LayoutServerLoad = async () => {
+	const appConfigService = new AppConfigService();
+
+	// Cache the version information for 3 hours
+	const cacheExpired =
+		versionInformationLastUpdated &&
+		Date.now() - versionInformationLastUpdated > 1000 * 60 * 60 * 3;
+
+	if (!versionInformation || cacheExpired) {
+		versionInformation = await appConfigService.getVersionInformation();
+		versionInformationLastUpdated = Date.now();
+	}
+
+	return {
+		versionInformation
+	};
+};