From 2f9f18b80a9e2134f674f345e48a5f21de5efadd Mon Sep 17 00:00:00 2001
From: FxQnLr <felixquinn03@gmail.com>
Date: Sun, 18 Feb 2024 21:16:46 +0100
Subject: Refactor stuff. Use Postgres Types

---
 src/routes/status.rs | 79 ++++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 74 insertions(+), 5 deletions(-)

(limited to 'src/routes/status.rs')

diff --git a/src/routes/status.rs b/src/routes/status.rs
index 31ef996..0e25f7d 100644
--- a/src/routes/status.rs
+++ b/src/routes/status.rs
@@ -1,10 +1,79 @@
-use std::sync::Arc;
+use crate::services::ping::BroadcastCommand;
+use crate::AppState;
+use axum::extract::ws::{Message, WebSocket};
 use axum::extract::{State, WebSocketUpgrade};
 use axum::response::Response;
-use crate::AppState;
-use crate::services::ping::status_websocket;
+use sqlx::PgPool;
+use std::sync::Arc;
+use tracing::{debug, trace};
 
-#[axum_macros::debug_handler]
 pub async fn status(State(state): State<Arc<AppState>>, ws: WebSocketUpgrade) -> Response {
-    ws.on_upgrade(move |socket| status_websocket(socket, state))
+    ws.on_upgrade(move |socket| websocket(socket, state))
+}
+
+pub async fn websocket(mut socket: WebSocket, state: Arc<AppState>) {
+    trace!("wait for ws message (uuid)");
+    let msg = socket.recv().await;
+    let uuid = msg.unwrap().unwrap().into_text().unwrap();
+
+    trace!("Search for uuid: {}", uuid);
+
+    let eta = get_eta(&state.db).await;
+    let _ = socket
+        .send(Message::Text(format!("eta_{eta}_{uuid}")))
+        .await;
+
+    let device_exists = state.ping_map.contains_key(&uuid);
+    if device_exists {
+        let _ = socket
+            .send(receive_ping_broadcast(state.clone(), uuid).await)
+            .await;
+    } else {
+        debug!("didn't find any device");
+        let _ = socket.send(Message::Text(format!("notfound_{uuid}"))).await;
+    };
+
+    let _ = socket.close().await;
+}
+
+async fn receive_ping_broadcast(state: Arc<AppState>, uuid: String) -> Message {
+    let pm = state.ping_map.clone().into_read_only();
+    let device = pm.get(&uuid).expect("fatal error");
+    debug!("got device: {} (online: {})", device.ip, device.online);
+    if device.online {
+        debug!("already started");
+        Message::Text(BroadcastCommand::success(uuid).to_string())
+    } else {
+        loop {
+            trace!("wait for tx message");
+            let message = state
+                .ping_send
+                .subscribe()
+                .recv()
+                .await
+                .expect("fatal error");
+            trace!("got message {:?}", message);
+
+            if message.uuid != uuid {
+                continue;
+            }
+            trace!("message == uuid success");
+            return Message::Text(message.to_string());
+        }
+    }
+}
+
+async fn get_eta(db: &PgPool) -> i64 {
+    let query = sqlx::query!(r#"SELECT times FROM devices;"#)
+        .fetch_one(db)
+        .await
+        .unwrap();
+
+    let times = if let Some(times) = query.times {
+        times
+    } else {
+        vec![0]
+    };
+
+    times.iter().sum::<i64>() / i64::try_from(times.len()).unwrap()
 }
-- 
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