Add preferences and privacy policy

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

@@ -2,6 +2,8 @@
 	import BaseCard from '$lib/components/ui/cards/BaseCard.svelte';
 	import Button from '$lib/components/ui/form-elements/Button.svelte';
 
+	import { prefs } from '$lib/preferences.svelte';
+
 	import { fade } from 'svelte/transition';
 	import { flip } from 'svelte/animate';
 
@@ -12,7 +14,9 @@
 
 <BaseCard header={'Nearby Stations'}>
 	<div class="card-content">
-		{#if nearestStationsState.error && nearestStationsState.list.length === 0}
+		{#if !prefs.current.NearToMe}
+			<Button onclick={() => prefs.toggleLocation(true)}>Enable Location</Button>
+		{:else 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>

src/lib/components/ui/form-elements/Toggle.svelte

@@ -0,0 +1,112 @@
+<script lang="ts">
+	interface Props {
+		checked: boolean;
+		id: string;
+		label: string;
+		disabled?: boolean;
+		onchange?: (checked: boolean) => void;
+	}
+
+	let { checked = $bindable(false), id, label, disabled = false, onchange }: Props = $props();
+
+	function handleInput(e: Event) {
+		const target = e.target as HTMLInputElement;
+		checked = target.checked;
+		onchange?.(checked);
+	}
+</script>
+
+<div class="toggle-wrapper" class:is-disabled={disabled}>
+	<!-- 1. Interactive Switch Mechanism (Sits Left) -->
+	<div class="toggle-control">
+		<input type="checkbox" {id} {disabled} {checked} onchange={handleInput} class="toggle-input" />
+		<label for={id} class="toggle-track">
+			<span class="toggle-thumb"></span>
+		</label>
+	</div>
+
+	<!-- 2. Visible Text Label (Sits Right) -->
+	<label for={id} class="toggle-label-text">
+		{label}
+	</label>
+</div>
+
+<style>
+	.toggle-wrapper {
+		display: flex;
+		align-items: center;
+		justify-content: flex-start;
+		gap: 1.75rem;
+		width: 100%;
+	}
+
+	.toggle-control {
+		position: relative;
+		display: inline-flex;
+		align-items: center;
+	}
+
+	.toggle-input {
+		position: absolute;
+		width: 1px;
+		height: 1px;
+		padding: 0;
+		margin: -1px;
+		overflow: hidden;
+		clip: rect(0, 0, 0, 0);
+		border: 0;
+	}
+
+	.toggle-track {
+		position: relative;
+		display: inline-block;
+		width: 3.75rem;
+		height: 2rem;
+		background-color: rgb(93, 45, 45);
+		border-radius: 1rem;
+		cursor: pointer;
+		transition: background-color 0.2s ease;
+	}
+
+	.toggle-thumb {
+		position: absolute;
+		top: 0.25rem;
+		left: 0.25rem;
+		width: 1.5rem;
+		height: 1.5rem;
+		background-color: var(--color-accent);
+		border-radius: 50%;
+		transition: transform 0.2s ease;
+		box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
+		filter: brightness(0.95);
+	}
+
+	.toggle-input:checked + .toggle-track {
+		background-color: rgb(11, 70, 11);
+	}
+
+	.toggle-input:checked + .toggle-track .toggle-thumb {
+		transform: translateX(1.75rem);
+	}
+
+	.toggle-input:focus-visible + .toggle-track {
+		outline: 2px solid #3b82f6;
+		outline-offset: 2px;
+	}
+
+	.toggle-label-text {
+		font-weight: 600;
+		cursor: pointer;
+		user-select: none;
+		color: var(--color-title);
+	}
+
+	.is-disabled {
+		opacity: 0.5;
+	}
+
+	.is-disabled .toggle-track,
+	.is-disabled .toggle-label-text {
+		cursor: not-allowed;
+	}
+</style>

src/lib/geohash.svelte.ts

@@ -1,12 +1,15 @@
 import { OwlClient, ValidationError, ApiError } from './owlClient';
 import type { ApiStationsNearestStations } from '@owlboard/owlboard-ts';
+import { prefs } from './preferences.svelte';
 
 class NearestStationsState {
 	list = $state<ApiStationsNearestStations.StationsNearestStations[]>([]);
 	currentHash = $state('');
-	loading = $state(true);
+	loading = $state(false);
 	error = $state<string | null>(null);
 
+	private watcherId: number | null = null;
+
 	private initGeoConfig: PositionOptions = {
 		enableHighAccuracy: false,
 		timeout: 500,
@@ -20,10 +23,35 @@ class NearestStationsState {
 	};
 
 	constructor() {
-		if (typeof window !== 'undefined' && 'geolocation' in navigator) {
-			this.jumpstart();
-			this.initWatcher();
+		if (typeof window === 'undefined' || !('geolocation' in navigator)) return;
+
+		$effect.root(() => {
+			$effect(() => {
+				if (prefs.current.NearToMe) {
+					this.startTracking();
+				} else {
+					this.stopTracking();
+				}
+			});
+		});
+	}
+
+	private startTracking() {
+		if (this.watcherId !== null) return; // Already tracking
+		this.loading = true;
+		this.jumpstart();
+		this.initWatcher();
+	}
+
+	private stopTracking() {
+		if (this.watcherId !== null) {
+			navigator.geolocation.clearWatch(this.watcherId);
+			this.watcherId = null;
 		}
+		this.list = [];
+		this.currentHash = '';
+		this.loading = false;
+		this.error = null;
 	}
 
 	private jumpstart() {
@@ -35,7 +63,7 @@ class NearestStationsState {
 	}
 
 	private initWatcher() {
-		navigator.geolocation.watchPosition(
+		this.watcherId = navigator.geolocation.watchPosition(
 			(pos) => this.handleUpdate(pos.coords.latitude, pos.coords.longitude),
 			(err) => this.handleError(err),
 			this.geoConfig

src/lib/owlClient.ts

@@ -31,7 +31,7 @@ export function ThrowApiError(e: unknown): never {
 
 	// Map ApiError 'code' values
 	if (e instanceof ApiError) {
-		console.error(JSON.stringify(e), e.code, "ERRCODE")
+		console.error(JSON.stringify(e), e.code, 'ERRCODE');
 		let status = 500;
 		if (e.code === 'AUTH') {
 			status = 401;
@@ -54,7 +54,7 @@ export function ThrowApiError(e: unknown): never {
 
 	// Fallback for other error kind
 	const genericMessage = e instanceof Error ? e.message : 'An unexpected error occurred.';
-	console.log(e)
+	console.log(e);
 	throw error(500, {
 		message: genericMessage,
 		name: 'CRITICAL_ERROR',

src/lib/preferences.svelte.ts

@@ -1,13 +1,15 @@
 import { browser } from '$app/environment';
 
 export interface Preferences {
-	locationEnabled: boolean;
+	NearToMe: boolean;
+	ShowPassingTrains: boolean;
 }
 
 const STORAGE_KEY = 'ob_pref';
 
 const DEFAULT_PREFS: Preferences = {
-	locationEnabled: false
+	NearToMe: false,
+	ShowPassingTrains: true
 };
 
 function loadPrefs(): Preferences {
@@ -16,7 +18,13 @@ function loadPrefs(): Preferences {
 	if (!stored) return DEFAULT_PREFS;
 
 	try {
-		return { ...DEFAULT_PREFS, ...JSON.parse(stored) };
+		const parsed = JSON.parse(stored);
+		const cleaned = {} as Preferences;
+
+		for (const key of Object.keys(DEFAULT_PREFS) as Array<keyof Preferences>) {
+			cleaned[key] = key in parsed ? parsed[key] : DEFAULT_PREFS[key];
+		}
+		return cleaned;
 	} catch {
 		return DEFAULT_PREFS;
 	}
@@ -35,8 +43,12 @@ class PreferencesStore {
 		});
 	}
 
-	toggleLocation(enabled: boolean) {
-		this.current.locationEnabled = enabled;
+	toggleNearToMe(enabled: boolean) {
+		this.current.NearToMe = enabled;
+	}
+
+	toggleShowPassingTrains(enabled: boolean) {
+		this.current.ShowPassingTrains = enabled;
 	}
 }