From 29d632c1514d6edacdfebe6deae4c95fc5a0f621 Mon Sep 17 00:00:00 2001
From: Elias Schneider <login@eliasschneider.com>
Date: Wed, 23 Oct 2024 11:48:46 +0200
Subject: [PATCH] fix: cache version information for 3 hours

---
 .../lib/types/application-configuration.ts    |  6 +++++
 .../src/routes/settings/+layout.server.ts     | 24 +++++++++++++++++++
 frontend/src/routes/settings/+layout.ts       | 11 ---------
 3 files changed, 30 insertions(+), 11 deletions(-)
 create mode 100644 frontend/src/routes/settings/+layout.server.ts
 delete mode 100644 frontend/src/routes/settings/+layout.ts

diff --git a/frontend/src/lib/types/application-configuration.ts b/frontend/src/lib/types/application-configuration.ts
index ec4edd6..af5e59e 100644
--- a/frontend/src/lib/types/application-configuration.ts
+++ b/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;
+};
\ No newline at end of file
diff --git a/frontend/src/routes/settings/+layout.server.ts b/frontend/src/routes/settings/+layout.server.ts
new file mode 100644
index 0000000..2203fdc
--- /dev/null
+++ b/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 './$types';
+
+let versionInformation: AppVersionInformation;
+let versionInformationLastUpdated: number;
+
+export const load: LayoutServerLoad = async () => {
+	const appConfigService = new AppConfigService();
+
+	// Cache the version information for 3 hours
+	const cacheExpired =
+		versionInformationLastUpdated &&
+		Date.now() - versionInformationLastUpdated > 1000 * 60 * 60 * 3;
+
+	if (!versionInformation || cacheExpired) {
+		versionInformation = await appConfigService.getVersionInformation();
+		versionInformationLastUpdated = Date.now();
+	}
+
+	return {
+		versionInformation
+	};
+};
diff --git a/frontend/src/routes/settings/+layout.ts b/frontend/src/routes/settings/+layout.ts
deleted file mode 100644
index 0cd6c6d..0000000
--- a/frontend/src/routes/settings/+layout.ts
+++ /dev/null
@@ -1,11 +0,0 @@
-import AppConfigService from '$lib/services/app-config-service';
-import type { LayoutLoad } from './$types';
-
-export const load: LayoutLoad = async () => {
-	const appConfigService = new AppConfigService();
-
-	const versionInformation = await appConfigService.getVersionInformation();
-	return {
-		versionInformation
-	};
-};