Add parsing for StationAlerts, and fetch function for Boards.

src/routes/board/+page.ts

@@ -1,16 +1,14 @@
 import { LOCATIONS } from '$lib/locations-object.svelte';
+import { ApiError, OwlClient, ValidationError } from '$lib/owlClient';
 import type { PageLoad } from './$types';
 import { error } from '@sveltejs/kit';
 
-export const load: PageLoad = async ({ url }) => {
+export const load: PageLoad = async ({ url, fetch }) => {
 	const locId = url.searchParams.get('loc');
 
 	if (!LOCATIONS.loaded) {
 		await LOCATIONS.init();
 	}
-
-	let title: string = '';
-
 	if (!locId) {
 		error(400, {
 			message: 'Location not provided',
@@ -18,22 +16,49 @@ export const load: PageLoad = async ({ url }) => {
 		});
 	}
 
-	let BoardLocation;
+	const BoardLocation = LOCATIONS.find(locId);
 
-	if (locId) {
-		BoardLocation = LOCATIONS.find(locId);
+	if (!BoardLocation) {
+		error(404, {
+			message: `Location (${locId.toUpperCase()}) not found`,
+			owlCode: 'INVALID_LOCATION_CODE'
+		});
+	}
+	const title = BoardLocation.n || BoardLocation.t || 'Live Arr/Dep';
 
-		if (BoardLocation) {
-			title = BoardLocation.n || BoardLocation.t || 'Live Arr/Dep';
-		} else {
-			error(404, {
-				message: `Location (${locId.toUpperCase()}) not found`,
-				owlCode: 'INVALID_LOCATION_CODE'
+	try {
+		const boardData = await OwlClient.board.getByLocation(locId, fetch);
+
+		return {
+			title,
+			BoardLocation,
+			boardData
+		};
+	} catch (e: unknown) {
+		if (
+			e instanceof TypeError &&
+			(e.message == 'Failed to fetch' || e.message.includes('network'))
+		) {
+			throw error(503, {
+				message: 'Network error: Please check your connection',
+				owlCode: 'NETWORK_DISCONNECTED'
 			});
 		}
+		if (e instanceof ValidationError) {
+			throw error(400, { message: e.message, owlCode: 'VALIDATION_ERROR' });
+		} else if (e instanceof ApiError) {
+			// If the API returns 404, it means the backend doesn't recognize this CRS/TIPLOC
+			if (e.code === 'NOT_FOUND') {
+				throw error(404, {
+					message: `Location (${locId.toUpperCase()}) is not recognized by the server.`,
+					owlCode: 'LOCATION_NOT_IN_BACKEND'
+				});
+			}
+			throw error(e.status, { message: e.message, owlCode: 'API_ERROR' });
+		} else if (e instanceof Error) {
+			throw error(500, { message: e.message, owlCode: 'GEN_ERROR' });
+		}
+
+		throw error(500, { message: 'Unexpected error', owlCode: 'UNKNOWN_ERR' });
 	}
-	return {
-		title,
-		BoardLocation
-	};
 };