feat(#64): Improve the about page

src/routes/api/stats/+server.ts

@@ -0,0 +1,40 @@
+import { json } from '@sveltejs/kit';
+import type { RequestEvent } from '@sveltejs/kit';
+
+/**
+ * GET /api/stats
+ *
+ * Returns public statistics about the application:
+ * - pokemonCaught: Total count of caught Pokémon
+ * - users: Total count of users
+ * - livingDexesCompleted: Total count of completed pokedexes
+ *
+ * Stats are cached for 24 hours to improve performance.
+ * The first request after 24 hours will trigger a cache refresh.
+ */
+export const GET = async (event: RequestEvent) => {
+	try {
+		// Call the database function to get stats (with caching)
+		const { data, error } = await event.locals.supabase.rpc('get_public_stats');
+
+		if (error) {
+			console.error('Error fetching stats:', error);
+			return json({ error: 'Failed to fetch stats' }, { status: 500 });
+		}
+
+		if (!data || data.length === 0) {
+			return json({ error: 'No stats data found' }, { status: 404 });
+		}
+
+		const stats = data[0];
+		return json({
+			pokemonCaught: stats.pokemon_caught,
+			users: stats.total_users,
+			livingDexesCompleted: stats.completed_pokedexes,
+			updatedAt: stats.updated_at
+		});
+	} catch (err) {
+		console.error('Error in GET /api/stats:', err);
+		return json({ error: 'Internal Server Error' }, { status: 500 });
+	}
+};