Add QuickLinks based on 'frecency' pattern

1. Match to exact CRS
 2. Match to exact Name
 3. Match to 'Name startsWith'
 4. Match any with valid CRS
 5. Match alphabetically

src/lib/components/ui/LocationSearchBox.svelte

@@ -33,9 +33,21 @@
 				if (aExactCrs && !bExactCrs) return -1;
 				if (!aExactCrs && bExactCrs) return 1;
 
-				// Priority Two - 'Stations' with CRS
+				// Priority Two - Exact Name Match
+				const aNameLow = a.n.toLowerCase();
+				const bNameLow = b.n.toLowerCase();
+				const aExactName = aNameLow === lowerQuery;
+				const bExactName = bNameLow === lowerQuery;
+				if (aExactName !== bExactName) return aExactName ? -1 : 1;
+
+				// Priority Three - Name starts with Query
+				const aStarts = aNameLow.startsWith(lowerQuery);
+				const bStarts = bNameLow.startsWith(lowerQuery);
+				if (aStarts !== bStarts) return aStarts ? -1 : 1;
+
+				// Priority Four - '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/TimezoneWarning.svelte

@@ -0,0 +1,44 @@
+<script lang="ts">
+	import { onMount } from 'svelte';
+	import { slide } from 'svelte/transition';
+
+	let isNotLondon = $state(false);
+	let londonZone = $state('Greenwich Mean Time');
+
+	onMount(() => {
+		const userTZ = Intl.DateTimeFormat().resolvedOptions().timeZone;
+		isNotLondon = userTZ !== 'Europe/London';
+
+		const parts = new Intl.DateTimeFormat('en-GB', {
+			timeZone: 'Europe/London',
+			timeZoneName: 'long'
+		}).formatToParts(new Date());
+
+		londonZone = parts.find((p) => p.type === 'timeZoneName')?.value || 'UK Time';
+	});
+</script>
+
+{#if isNotLondon}
+	<div transition:slide={{ duration: 300 }} class="tzWarn">
+		<p class="tzText">
+			All times are shown in <strong>{londonZone}</strong>
+		</p>
+	</div>
+{/if}
+
+<style>
+	.tzWarn {
+		display: flex;
+		justify-content: center;
+		width: 100%;
+		padding: 1rem 0 0 0;
+	}
+
+	.tzText {
+		width: 80%;
+		text-align: center;
+		margin: auto;
+		font-family: 'URW Gothic', sans-serif;
+		font-size: 1.2rem;
+	}
+</style>

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

@@ -0,0 +1,71 @@
+<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 { quickLinks } from '$lib/quick-links.svelte';
+
+	const flipDuration = 300;
+</script>
+
+<BaseCard header={'Quick Links'}>
+	<div class="card-content">
+		{#if quickLinks.list.length === 0}
+			<p class="msg">Your most viewed stations will appear here</p>
+		{:else}
+			<div class="stations-flex">
+				{#each quickLinks.list as station (station.id)}
+					<div
+						class="btn-container"
+						animate:flip={{ duration: flipDuration }}
+						in:fade|global={{ duration: 200 }}
+					>
+						<Button href={`/board?loc=${station.id}`}
+							><span class="stn-name">{station.id}</span></Button
+						>
+					</div>
+				{/each}
+			</div>
+		{/if}
+	</div>
+</BaseCard>
+
+<style>
+	.card-content {
+		display: flex;
+		flex-direction: column;
+		justify-content: center;
+		align-items: center;
+		text-align: center;
+		width: 90%;
+		min-height: 98px;
+		margin: auto;
+		padding: 10px 0 10px 0;
+	}
+
+	.stations-flex {
+		display: flex;
+		flex-wrap: wrap;
+		gap: 0.1rem 0.5rem;
+		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/quick-links.svelte.ts

@@ -0,0 +1,60 @@
+export interface QuickLink {
+	id: string;
+	score: number;
+	lastAccessed: number;
+}
+
+const RETURNED_LENGTH: number = 9;
+const MAX_SCORE: number = 50;
+const MAX_ENTRIES: number = RETURNED_LENGTH * 4;
+
+class QuickLinksService {
+	#links = $state<QuickLink[]>([]);
+
+	constructor() {
+		if (typeof window !== 'undefined') {
+			const saved = localStorage.getItem('ql');
+			if (saved) {
+				this.#links = JSON.parse(saved);
+			}
+		}
+	}
+
+	get list(): QuickLink[] {
+		return this.#links.slice(0, RETURNED_LENGTH);
+	}
+
+	recordVisit(id: string) {
+		if (id == '') return;
+		const existing = this.#links.find((l) => l.id === id);
+
+		if (existing) {
+			existing.score += 1;
+			existing.lastAccessed = Date.now();
+		} else {
+			this.#links.push({
+				id: id,
+				score: 1,
+				lastAccessed: Date.now()
+			});
+		}
+
+		// Score decay - if MAX_SCORE reached, divide all by two
+		if (this.#links.some((l) => l.score > MAX_SCORE)) {
+			this.#links.forEach((l) => {
+				l.score = Math.max(1, Math.floor(l.score / 2));
+			});
+		}
+
+		// Sort & Prune
+		const sorted = [...this.#links].sort(
+			(a, b) => b.score - a.score || b.lastAccessed - a.lastAccessed
+		);
+
+		this.#links = sorted.slice(0, MAX_ENTRIES);
+
+		localStorage.setItem('ql', JSON.stringify(this.#links));
+	}
+}
+
+export const quickLinks = new QuickLinksService();

src/routes/+layout.svelte

@@ -6,6 +6,8 @@
 	import { LOCATIONS } from '$lib/locations-object.svelte';
 	import { nearestStationsState } from '$lib/geohash.svelte';
 
+	import TimezoneWarning from '$lib/components/ui/TimezoneWarning.svelte';
+
 	import '$lib/global.css';
 
 	import logoText from '$lib/assets/round-logo-text.svg';
@@ -78,6 +80,7 @@
 </header>
 
 <main>
+	<TimezoneWarning />
 	{@render children()}
 </main>
 

src/routes/+page.svelte

@@ -1,11 +1,13 @@
 <script lang="ts">
 	import LocationBoardCard from '$lib/components/ui/cards/LocationBoardCard.svelte';
 	import NearbyStationsCard from '$lib/components/ui/cards/NearbyStationsCard.svelte';
+	import QuickLinksCard from '$lib/components/ui/cards/QuickLinksCard.svelte';
 </script>
 
 <div class="card-container">
 	<LocationBoardCard />
 	<NearbyStationsCard />
+	<QuickLinksCard />
 </div>
 
 <style>

src/routes/board/+page.svelte

@@ -1,3 +1,24 @@
+<script lang="ts">
+	import { untrack } from 'svelte';
+	import { quickLinks } from '$lib/quick-links.svelte';
+
+	let { data } = $props();
+
+	// Update 'QuickLinks'
+	$effect(() => {
+		if (data.BoardLocation) {
+			const id = data.BoardLocation?.c ?? data.BoardLocation?.t;
+			if (id) {
+				// Untrack, as we do not need to handle changes to quickLinks - this is WRITE_ONLY
+				untrack(() => {
+					quickLinks.recordVisit(id);
+					console.log(`QuickLink visit recorded: ${JSON.stringify(data.BoardLocation)}`);
+				});
+			}
+		}
+	});
+</script>
+
 <section>Live board are not yet implemented on the server</section>
 
 <style>

src/routes/board/+page.ts

@@ -18,11 +18,13 @@ export const load: PageLoad = async ({ url }) => {
 		});
 	}
 
-	if (locId) {
+	let BoardLocation;
-		const location = LOCATIONS.find(locId);
 
-		if (location) {
+	if (locId) {
-			title = location.n || location.t;
+		BoardLocation = LOCATIONS.find(locId);
+
+		if (BoardLocation) {
+			title = BoardLocation.n || BoardLocation.t || 'Live Arr/Dep';
 		} else {
 			error(404, {
 				message: `Location (${locId.toUpperCase()}) not found`,
@@ -32,6 +34,6 @@ export const load: PageLoad = async ({ url }) => {
 	}
 	return {
 		title,
-		location
+		BoardLocation
 	};
 };