frontend: remove dynamic updating of journeys

- INFO: for the time being

Author: schmolldechse

frontend/src/routes/[evaNumber]/[type=type]/+page.server.ts

@@ -1,21 +1,50 @@
 import type { PageServerLoad } from "./$types";
 import type { Station } from "$models/station";
 import { error } from "@sveltejs/kit";
+import type { Journey } from "$models/connection";
+import { DateTime } from "luxon";
 
-export const load: PageServerLoad = async ({ fetch, params }): Promise<{ station: Station }> => {
-	const response = await fetch(`http://navigator-backend:8000/api/v1/stations/${params.evaNumber}`, {
+export const load: PageServerLoad = async ({ params, url }): Promise<{ station: Station, journeys: Journey[] }> => {
+	const [station, journeys] = await Promise.all([
+		loadStation(params.evaNumber),
+		loadJourneys(params.evaNumber, params.type, url.searchParams.get("startDate") ?? DateTime.now().set({ second: 0, millisecond: 0 }).toISO())
+	]);
+	return { station, journeys };
+};
+
+const loadStation = async (evaNumber: string): Promise<Station> => {
+	const response = await fetch(`http://navigator-backend:8000/api/v1/stations/${evaNumber}`, {
 		method: "GET"
 	});
-
 	if (!response.ok) {
-		throw error(404, `No station found for ${params.evaNumber}`);
+		throw error(404, `No station found for ${evaNumber}`);
 	}
 
 	const station = (await response.json()) as Station;
-
 	if (station.evaNumber === undefined) {
-		throw error(404, `No station found for ${params.evaNumber}`);
+		throw error(404, `No station found for ${evaNumber}`);
 	}
-
-	return { station: station };
+	return station;
 };
+
+const loadJourneys = async (evaNumber: string, type: string, startDate: string): Promise<Journey[]> => {
+	const queryString = new URLSearchParams({
+		evaNumber: evaNumber,
+		type: type,
+		when: startDate
+	}).toString();
+
+	const response = await fetch(`http://navigator-backend:8000/api/v1/timetable/combined?${queryString}`, {
+		method: "GET"
+	});
+	if (!response.ok) {
+		throw error(404, `No journeys found for ${evaNumber}`);
+	}
+
+	const jsonData = await response.json();
+	if (!Array.isArray(jsonData)) {
+		throw error(500, `No journeys found for ${evaNumber}`);
+	}
+
+	return jsonData as Journey[];
+}

frontend/src/routes/[evaNumber]/[type=type]/+page.svelte

@@ -1,6 +1,5 @@
 <script lang="ts">
-	import { invalidateAll } from "$app/navigation";
-	import { onDestroy, onMount, setContext } from "svelte";
+	import { setContext } from "svelte";
 	import { MetaTags } from "svelte-meta-tags";
 	import type { PageProps } from "./$types";
 	import Clock from "$components/timetable/Clock.svelte";
@@ -24,11 +23,6 @@
 
 		return currentFilter.includes(firstConnection?.lineInformation?.type ?? "");
 	};
-
-	onMount(() => {
-		const interval = setInterval(() => invalidateAll(), 30 * 1000);
-		onDestroy(() => clearInterval(interval));
-	});
 </script>
 
 <MetaTags