public home page with community activity overview

src/lib/server/db.ts

@@ -160,10 +160,42 @@ export function listActivities(userId: number): Omit<ActivityRow, 'points'>[] {
 		.all(userId) as Omit<ActivityRow, 'points'>[];
 }
 
-export function getActivity(id: number, userId: number): ActivityRow | undefined {
-	return db.prepare('SELECT * FROM activities WHERE id = ? AND user_id = ?').get(id, userId) as
-		| ActivityRow
-		| undefined;
+export function getActivity(id: number): (ActivityRow & { username: string }) | undefined {
+	return db
+		.prepare(
+			`SELECT a.*, u.username FROM activities a JOIN users u ON u.id = a.user_id WHERE a.id = ?`
+		)
+		.get(id) as (ActivityRow & { username: string }) | undefined;
+}
+
+/** All users' activities, newest first, with uploader attribution. */
+export function listAllActivities(): (Omit<ActivityRow, 'points'> & { username: string })[] {
+	return db
+		.prepare(
+			`SELECT a.id, a.user_id, a.name, a.type, a.date, a.distance_m, a.duration_s, a.moving_s,
+			        a.elev_gain_m, a.elev_loss_m, a.elev_min_m, a.elev_max_m, a.bounds, a.created_at,
+			        u.username
+			 FROM activities a JOIN users u ON u.id = a.user_id
+			 ORDER BY a.date DESC, a.id DESC`
+		)
+		.all() as (Omit<ActivityRow, 'points'> & { username: string })[];
+}
+
+export function communityTotals(): {
+	users: number;
+	activities: number;
+	distance_m: number;
+	elev_gain_m: number;
+} {
+	return db
+		.prepare(
+			`SELECT (SELECT count(*) FROM users) users,
+			        count(*) activities,
+			        coalesce(sum(distance_m), 0) distance_m,
+			        coalesce(sum(elev_gain_m), 0) elev_gain_m
+			 FROM activities`
+		)
+		.get() as { users: number; activities: number; distance_m: number; elev_gain_m: number };
 }
 
 export function deleteActivity(id: number, userId: number): void {