update

backend/src/main.rs

@@ -22,6 +22,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     tracing_subscriber::fmt::init();
 
     println!("Connecting to ScyllaDB...");
+    println!("Starting backend with landuse support...");
     let uri = std::env::var("SCYLLA_URI").unwrap_or_else(|_| "127.0.0.1:9042".to_string());
     
     let session = SessionBuilder::new()
@@ -45,6 +46,8 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
         .route("/api/tiles/:z/:x/:y", get(get_tile))
         .route("/api/tiles/:z/:x/:y/ways", get(get_tile_ways))
         .route("/api/tiles/:z/:x/:y/buildings", get(get_tile_buildings))
+        .route("/api/tiles/:z/:x/:y/landuse", get(get_tile_landuse))
+        .route("/api/tiles/:z/:x/:y/water", get(get_tile_water))
         .nest_service("/", ServeDir::new("static"))
         .layer(CorsLayer::permissive())
         .with_state(state);
@@ -144,3 +147,55 @@ async fn get_tile_buildings(
 
     Json(buildings)
 }
+
+async fn get_tile_landuse(
+    Path((z, x, y)): Path<(i32, i32, i32)>,
+    State(state): State<Arc<AppState>>,
+) -> Json<Vec<MapWay>> {
+    let query = "SELECT id, tags, points FROM map_data.landuse WHERE zoom = ? AND tile_x = ? AND tile_y = ?";
+    let rows = state.scylla_session.query(query, (z, x, y)).await.unwrap().rows.unwrap_or_default();
+    
+    let mut landuse = Vec::new();
+    for row in rows {
+        let (id, tags, points_blob) = row.into_typed::<(i64, std::collections::HashMap<String, String>, Vec<u8>)>().unwrap();
+        
+        let mut points = Vec::new();
+        for chunk in points_blob.chunks(16) {
+            if chunk.len() == 16 {
+                let lat = f64::from_be_bytes(chunk[0..8].try_into().unwrap());
+                let lon = f64::from_be_bytes(chunk[8..16].try_into().unwrap());
+                points.push(vec![lat, lon]);
+            }
+        }
+
+        landuse.push(MapWay { id, tags, points });
+    }
+
+    Json(landuse)
+}
+
+async fn get_tile_water(
+    Path((z, x, y)): Path<(i32, i32, i32)>,
+    State(state): State<Arc<AppState>>,
+) -> Json<Vec<MapWay>> {
+    let query = "SELECT id, tags, points FROM map_data.water WHERE zoom = ? AND tile_x = ? AND tile_y = ?";
+    let rows = state.scylla_session.query(query, (z, x, y)).await.unwrap().rows.unwrap_or_default();
+    
+    let mut water = Vec::new();
+    for row in rows {
+        let (id, tags, points_blob) = row.into_typed::<(i64, std::collections::HashMap<String, String>, Vec<u8>)>().unwrap();
+        
+        let mut points = Vec::new();
+        for chunk in points_blob.chunks(16) {
+            if chunk.len() == 16 {
+                let lat = f64::from_be_bytes(chunk[0..8].try_into().unwrap());
+                let lon = f64::from_be_bytes(chunk[8..16].try_into().unwrap());
+                points.push(vec![lat, lon]);
+            }
+        }
+
+        water.push(MapWay { id, tags, points });
+    }
+
+    Json(water)
+}