Files
hotel_api/src/utils/db_pool.rs

55 lines
1.5 KiB
Rust

use std::sync::Arc;
use dashmap::DashMap;
use r2d2::{Pool};
use r2d2_sqlite::SqliteConnectionManager;
use tokio::sync::mpsc;
use axum::extract::{ws::{Message, WebSocket, WebSocketUpgrade}, State};
type HotelId = i32; // or i32 if you want numeric ids
/// Type alias: user_id → sender to that user
type UserMap = DashMap<i32, mpsc::UnboundedSender<Message>>;
/// hotel_id → users
type HotelMap = DashMap<i32, Arc<UserMap>>;
/// global map of all hotels
type WsMap = Arc<HotelMap>;
/// Type alias: user_id → sender to that user
#[derive(Clone)]
pub struct AppState {
pub hotel_pools: HotelPool,
pub logs_pool: Pool<SqliteConnectionManager>,
pub ws_map: WsMap,
}
#[derive(Clone)]
pub struct HotelPool {
hotel_pools: Arc<DashMap<HotelId, Pool<SqliteConnectionManager>>>,
}
impl HotelPool {
pub fn new() -> Self {
Self {
hotel_pools: Arc::new(DashMap::new()),
}
}
pub fn get_pool(&self, hotel_id: i32) -> Pool<SqliteConnectionManager> {
if let Some(pool) = self.hotel_pools.get(&hotel_id) {
return pool.clone();
}
let db_path = format!("db/{}.sqlite", hotel_id);
let hotels_manager = SqliteConnectionManager::file(db_path);
let db_pool = Pool::builder()
.max_size(5) // adjust based on load
.build(hotels_manager)
.expect("Failed to build pool");
self.hotel_pools.insert(hotel_id, db_pool.clone());
db_pool
}
}