lmao

server-rs/src/routes/travel_modes.rs

@@ -0,0 +1,38 @@
+use std::sync::Arc;
+
+use axum::http::StatusCode;
+use axum::response::Json;
+use serde::Serialize;
+
+use crate::state::AppState;
+
+#[derive(Serialize)]
+pub struct TravelModeInfo {
+    mode: String,
+    destinations: usize,
+}
+
+#[derive(Serialize)]
+pub struct TravelModesResponse {
+    modes: Vec<TravelModeInfo>,
+}
+
+pub async fn get_travel_modes(
+    state: Arc<AppState>,
+) -> Result<Json<TravelModesResponse>, (StatusCode, String)> {
+    let store = &state.travel_time_store;
+    let modes = store
+        .available_modes
+        .iter()
+        .map(|mode| TravelModeInfo {
+            mode: mode.clone(),
+            destinations: store
+                .destinations
+                .get(mode)
+                .map(|slugs| slugs.len())
+                .unwrap_or(0),
+        })
+        .collect();
+
+    Ok(Json(TravelModesResponse { modes }))
+}