Add NearestStations Card & Location monitor

src/lib/components/ui/LocationSearchBox.svelte

@@ -27,7 +27,6 @@
 		return LOCATIONS.data
 			.filter((r) => tokens.every((t) => r.s.includes(t)))
 			.sort((a, b) => {
-
 				// Priority One - Exact CRS Match
 				const aExactCrs = a.c?.toLowerCase() === lowerQuery;
 				const bExactCrs = b.c?.toLowerCase() === lowerQuery;
@@ -36,7 +35,7 @@
 
 				// Priority Two - 'Stations' with CRS
 				if (!!a.c && !b.c) return -1;
-				if (!a.c & !! b.c) return 1;
+				if (!a.c & !!b.c) return 1;
 
 				// Alphabetical Sort
 				return a.n.localeCompare(b.n);

src/lib/components/ui/TocStyle.svelte

@@ -1,53 +1,56 @@
 <script lang="ts">
-    interface Props {
-        toc: string;
-    }
+	interface Props {
+		toc: string;
+	}
 
-    let {
-        toc
-    }: Props = $props();
+	let { toc }: Props = $props();
 
-    let code = $derived(toc.toUpperCase());
+	let code = $derived(toc.toUpperCase());
 </script>
 
 <div class="toc-container {code}">
-    {code}
+	{code}
 </div>
 
 <style>
-    .toc-container {
-        border-radius: 10px;
-        display: inline-flex;
-        align-items: center;
-        justify-content: center;
-        padding: 2px 8px;
-        font-weight: 800;
-        background-color: #333;
-        color: #fff;
-    }
+	.toc-container {
+		border-radius: 10px;
+		display: inline-flex;
+		align-items: center;
+		justify-content: center;
+		padding: 2px 8px;
+		font-weight: 800;
+		background-color: #333;
+		color: #fff;
+	}
 
-    .GW { /* Great Western Railway */
-        background: #004225;
-        color: #E2E2E2;
-    }
+	.GW {
+		/* Great Western Railway */
+		background: #004225;
+		color: #e2e2e2;
+	}
 
-    .GR { /* LNER */
-        background-color: #C00000;
-        color: #FFFFFF;
-    }
+	.GR {
+		/* LNER */
+		background-color: #c00000;
+		color: #ffffff;
+	}
 
-    .VT { /* Avanti West Coast */
-        background-color: #004354;
-        color: #FFFFFF;
-    }
+	.VT {
+		/* Avanti West Coast */
+		background-color: #004354;
+		color: #ffffff;
+	}
 
-    .SW { /* South Western Railway */
-        background-color: #2A3389;
-        color: #FFFFFF;
-    }
+	.SW {
+		/* South Western Railway */
+		background-color: #2a3389;
+		color: #ffffff;
+	}
 
-    .XC { /* CrossCountry */
-        background-color: #660000;
-        color: #E4D5B1;
-    }
-</style>
+	.XC {
+		/* CrossCountry */
+		background-color: #660000;
+		color: #e4d5b1;
+	}
+</style>

src/lib/components/ui/cards/NearbyStationsCard.svelte

@@ -0,0 +1,69 @@
+<script lang="ts">
+	import BaseCard from '$lib/components/ui/cards/BaseCard.svelte';
+	import Button from '$lib/components/ui/Button.svelte';
+
+	import { fade } from 'svelte/transition';
+	import { flip } from 'svelte/animate';
+
+	import { nearestStationsState } from '$lib/geohash.svelte';
+
+	const flipDuration = 300;
+</script>
+
+<BaseCard header={'Nearby Stations'}>
+	<div class="card-content">
+		{#if nearestStationsState.error && nearestStationsState.list.length === 0}
+			<p class="msg">{nearestStationsState.error}</p>
+		{:else if nearestStationsState.loading && nearestStationsState.list.length === 0}
+			<p class="msg">Locating stations...</p>
+		{:else}
+			<div class="stations-flex">
+				{#each nearestStationsState.list as station (station.c)}
+					<div
+						class="btn-container"
+						animate:flip={{ duration: flipDuration }}
+						in:fade={{ duration: 200, delay: 100 }}
+						out:fade={{ duration: 150 }}
+					>
+						<Button href={`/board?loc=${station.c}`}
+							><span class="stn-name">{station.n}</span></Button
+						>
+					</div>
+				{/each}
+			</div>
+		{/if}
+	</div>
+</BaseCard>
+
+<style>
+	.card-content {
+		text-align: center;
+		width: 90%;
+		margin: auto;
+		padding: 10px 0 10px 0;
+	}
+
+	.stations-flex {
+		display: flex;
+		flex-wrap: wrap;
+		gap: 0.75rem;
+		justify-content: center;
+		align-items: flex-start;
+	}
+
+	.btn-container {
+		display: block;
+        width: fit-content;
+		will-change: transform;
+	}
+
+	.msg {
+		font-size: 1.1rem;
+		font-weight: 600;
+		color: var(--color-title);
+	}
+
+	.stn-name {
+		text-transform: capitalize;
+	}
+</style>

src/lib/components/ui/cards/pis/PisCode.svelte

@@ -1,28 +1,34 @@
 <script lang="ts">
-import BaseCard from '$lib/components/ui/cards/BaseCard.svelte';
-import Textbox from '$lib/components/ui/Textbox.svelte';
-import Button from '$lib/components/ui/Button.svelte';
+	import BaseCard from '$lib/components/ui/cards/BaseCard.svelte';
+	import Textbox from '$lib/components/ui/Textbox.svelte';
+	import Button from '$lib/components/ui/Button.svelte';
 
-let { onsearch }: { onsearch: (c: string) => void } = $props();
+	let { onsearch }: { onsearch: (c: string) => void } = $props();
 
-let codeValue = $state('');
+	let codeValue = $state('');
 
-function resetValues(): void {
-    codeValue = '';
-}
+	function resetValues(): void {
+		codeValue = '';
+	}
 </script>
 
 <BaseCard header={'Find by Code'}>
 	<div class="card-content">
-        <div class="textbox-container">
-            <div class="textbox-item-wrapper">
-                <Textbox placeholder={"Code"} uppercase={true} type={'number'} max={9999} bind:value={codeValue} />
-            </div>
-        </div>
-        <div class="button-wrapper">
-            <Button onclick={() => onsearch(codeValue.toString())}>Search</Button>
-            <Button onclick={resetValues}>Reset</Button>
-        </div>
+		<div class="textbox-container">
+			<div class="textbox-item-wrapper">
+				<Textbox
+					placeholder={'Code'}
+					uppercase={true}
+					type={'number'}
+					max={9999}
+					bind:value={codeValue}
+				/>
+			</div>
+		</div>
+		<div class="button-wrapper">
+			<Button onclick={() => onsearch(codeValue.toString())}>Search</Button>
+			<Button onclick={resetValues}>Reset</Button>
+		</div>
 	</div>
 </BaseCard>
 
@@ -34,21 +40,21 @@ function resetValues(): void {
 		padding: 10px 0 10px 0;
 	}
 
-    .textbox-container {
-        display: flex;
-        width: 100%;
-        justify-content: center;
-        gap: 4rem;
-    }
+	.textbox-container {
+		display: flex;
+		width: 100%;
+		justify-content: center;
+		gap: 4rem;
+	}
 
-    .textbox-item-wrapper {
-        width: 30%;
-    }
+	.textbox-item-wrapper {
+		width: 30%;
+	}
 
-    .button-wrapper {
-        display: flex;
-        justify-content: center;
-        gap: 1rem;
-        margin-top: 15px;
-    }
-</style>
+	.button-wrapper {
+		display: flex;
+		justify-content: center;
+		gap: 1rem;
+		margin-top: 15px;
+	}
+</style>

src/lib/components/ui/cards/pis/PisStartEndCard.svelte

@@ -1,34 +1,33 @@
 <script lang="ts">
-import BaseCard from '$lib/components/ui/cards/BaseCard.svelte';
-import Textbox from '$lib/components/ui/Textbox.svelte';
-import Button from '$lib/components/ui/Button.svelte';
+	import BaseCard from '$lib/components/ui/cards/BaseCard.svelte';
+	import Textbox from '$lib/components/ui/Textbox.svelte';
+	import Button from '$lib/components/ui/Button.svelte';
 
-let { onsearch }: { onsearch: (s: string, e: string) => void } = $props();
+	let { onsearch }: { onsearch: (s: string, e: string) => void } = $props();
 
+	let startValue = $state('');
+	let endValue = $state('');
 
-let startValue = $state('');
-let endValue = $state('');
-
-function resetValues(): void {
-    startValue = '';
-    endValue = '';
-}
+	function resetValues(): void {
+		startValue = '';
+		endValue = '';
+	}
 </script>
 
 <BaseCard header={'Find by Start/End CRS'}>
 	<div class="card-content">
-        <div class="textbox-container">
-            <div class="textbox-item-wrapper">
-                <Textbox placeholder={"Start"} uppercase={true} maxLength={3} bind:value={startValue} />
-            </div>
-            <div class="textbox-item-wrapper">
-                <Textbox placeholder={"End"} uppercase={true} maxLength={3} bind:value={endValue} />
-            </div>
-        </div>
-        <div class="button-wrapper">
-            <Button onclick={() => onsearch(startValue, endValue)}>Search</Button>
-            <Button onclick={resetValues}>Reset</Button>
-        </div>
+		<div class="textbox-container">
+			<div class="textbox-item-wrapper">
+				<Textbox placeholder={'Start'} uppercase={true} maxLength={3} bind:value={startValue} />
+			</div>
+			<div class="textbox-item-wrapper">
+				<Textbox placeholder={'End'} uppercase={true} maxLength={3} bind:value={endValue} />
+			</div>
+		</div>
+		<div class="button-wrapper">
+			<Button onclick={() => onsearch(startValue, endValue)}>Search</Button>
+			<Button onclick={resetValues}>Reset</Button>
+		</div>
 	</div>
 </BaseCard>
 
@@ -40,21 +39,21 @@ function resetValues(): void {
 		padding: 10px 0 10px 0;
 	}
 
-    .textbox-container {
-        display: flex;
-        width: 100%;
-        justify-content: center;
-        gap: 4rem;
-    }
+	.textbox-container {
+		display: flex;
+		width: 100%;
+		justify-content: center;
+		gap: 4rem;
+	}
 
-    .textbox-item-wrapper {
-        width: 30%;
-    }
+	.textbox-item-wrapper {
+		width: 30%;
+	}
 
-    .button-wrapper {
-        display: flex;
-        justify-content: center;
-        gap: 1rem;
-        margin-top: 15px;
-    }
-</style>
+	.button-wrapper {
+		display: flex;
+		justify-content: center;
+		gap: 1rem;
+		margin-top: 15px;
+	}
+</style>

src/lib/geohash.svelte.ts

@@ -0,0 +1,90 @@
+import { OwlClient, ValidationError, ApiError } from './owlClient';
+import type { ApiStationsNearestStations } from '@owlboard/owlboard-ts';
+
+class NearestStationsState {
+	list = $state<ApiStationsNearestStations.StationsNearestStations[]>([]);
+	currentHash = $state('');
+	loading = $state(true);
+	error = $state<string | null>(null);
+
+	private geoConfig: PositionOptions = {
+		enableHighAccuracy: false,
+		timeout: 30000,
+		maximumAge: 120000
+	};
+
+	constructor() {
+		if (typeof window !== 'undefined' && 'geolocation' in navigator) {
+			this.jumpstart();
+			this.initWatcher();
+		}
+	}
+
+	private jumpstart() {
+		navigator.geolocation.getCurrentPosition(
+			(pos) => this.handleUpdate(pos.coords.latitude, pos.coords.longitude),
+			(err) => this.handleError(err),
+			this.geoConfig
+		);
+	}
+
+	private initWatcher() {
+		navigator.geolocation.watchPosition(
+			(pos) => this.handleUpdate(pos.coords.latitude, pos.coords.longitude),
+			(err) => this.handleError(err),
+			this.geoConfig
+		);
+	}
+
+	private async handleUpdate(lat: number, lon: number) {
+		const newHash = OwlClient.stationData.generateGeohash(lat, lon);
+		if (newHash !== this.currentHash) {
+			this.loading = true;
+
+			try {
+				const result = await OwlClient.stationData.getNearestStations(newHash);
+				this.list = result.data;
+				this.error = null;
+				this.currentHash = newHash;
+			} catch (e) {
+				this.handleApiError(e);
+			} finally {
+				this.loading = false;
+			}
+		}
+	}
+
+	private handleError(err: GeolocationPositionError) {
+		if (err.code === 1) {
+			this.error = 'Location access denied by device';
+		} else {
+			this.error = 'Waiting for GPS signal...';
+		}
+	}
+
+	private handleApiError(e: unknown) {
+		if (e instanceof ValidationError) {
+			this.error = `Request Error: ${e.reason} (Field: ${e.field})`;
+		} else if (e instanceof ApiError) {
+			switch (e.status) {
+				case 404:
+					this.error = 'No stations found nearby';
+					break;
+				case 429:
+					this.error = 'Too many requests, will retry';
+					break;
+				case 500:
+					this.error = 'Server Error, will retry';
+					break;
+				default:
+					this.error = `Service error: ${e.code}`;
+			}
+		} else {
+			this.error = 'Connection lost, waiting for signal';
+		}
+
+		console.error('OwlBoard API Error:', e);
+	}
+}
+
+export const nearestStationsState = new NearestStationsState();

src/lib/locations-object.svelte.ts

@@ -1,5 +1,5 @@
-import { OwlClient } from "./owlClient";
-import type { ApiLocationFilter } from '@owlboard/owlboard-ts'
+import { OwlClient } from './owlClient';
+import type { ApiLocationFilter } from '@owlboard/owlboard-ts';
 
 class LocationStore {
 	data = $state<ApiLocationFilter.LocationFilterObject[]>([]);
@@ -9,7 +9,7 @@ class LocationStore {
 		if (this.loaded) return;
 
 		try {
-			const fetch = await OwlClient.locationFilter.getLocationFilterData()
+			const fetch = await OwlClient.locationFilter.getLocationFilterData();
 			this.data = fetch.data;
 			this.loaded = true;
 		} catch (err) {

src/lib/owlClient.ts

@@ -1,21 +1,21 @@
-import { OwlBoardClient, ValidationError, ApiError } from "@owlboard/owlboard-ts";
-import { browser, dev } from "$app/environment";
+import { OwlBoardClient, ValidationError, ApiError } from '@owlboard/owlboard-ts';
+import { browser, dev } from '$app/environment';
 
 // Import the runes containing the API Key config Here...
 
 const baseUrl: string = browser ? window.location.origin : '';
 
 const getBaseUrl = () => {
-    if (!browser) return '';
+	if (!browser) return '';
 
-    if (dev) return 'https://test.owlboard.info';
+	if (dev) return 'https://test.owlboard.info';
 
-    return window.location.origin;
-}
+	return window.location.origin;
+};
 
 export const OwlClient = new OwlBoardClient(
-    getBaseUrl(),
-    // API Key Here when ready!!!
-)
+	getBaseUrl()
+	// API Key Here when ready!!!
+);
 
-export { ValidationError, ApiError };
+export { ValidationError, ApiError };