feat: modernize stack with shadcn, struct_patch and msgpack

backend/Cargo.toml

@@ -15,6 +15,8 @@ tower = { version = "0.5", features = ["util", "timeout"] }
 tower-http = { version = "0.6", features = ["fs", "trace", "cors", "compression-full"] }
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
+rmp-serde = "1.3"
+struct_patch = "0.5"
 tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 tokio-stream = "0.1"

backend/src/diff.rs

@@ -1,5 +1,6 @@
 use std::collections::HashMap;
-use shared::{AppEvent, NotificationLevel, SystemNotification, Torrent, TorrentUpdate};
+use shared::{AppEvent, NotificationLevel, SystemNotification, Torrent};
+use struct_patch::traits::Patchable;
 
 #[derive(Debug)]
 pub enum DiffResult {
@@ -9,70 +10,28 @@ pub enum DiffResult {
 }
 
 pub fn diff_torrents(old: &[Torrent], new: &[Torrent]) -> DiffResult {
-    // 1. Structural Check: Eğer torrent sayısı değişmişse (yeni eklenen veya silinen), 
-    // şimdilik basitlik adına FullUpdate gönderiyoruz.
     if old.len() != new.len() {
         return DiffResult::FullUpdate;
     }
 
-    // 2. Hash Set Karşılaştırması: 
-    // Sıralama değişmiş olabilir ama torrentler aynı mı?
     let old_map: HashMap<&str, &Torrent> = old.iter().map(|t| (t.hash.as_str(), t)).collect();
     
-    // Eğer yeni listedeki bir hash eski listede yoksa, yapı değişmiş demektir.
     for new_t in new {
         if !old_map.contains_key(new_t.hash.as_str()) {
             return DiffResult::FullUpdate;
         }
     }
 
-    // 3. Alan Güncellemeleri (Partial Updates)
-    // Buraya geldiğimizde biliyoruz ki old ve new listelerindeki torrentler (hash olarak) aynı,
-    // sadece sıraları farklı olabilir veya içindeki veriler güncellenmiş olabilir.
     let mut events = Vec::new();
 
     for new_t in new {
-        // old_map'ten ilgili torrente hash ile ulaşalım (sıradan bağımsız)
         let old_t = old_map.get(new_t.hash.as_str()).unwrap();
 
-        let mut update = TorrentUpdate {
-            hash: new_t.hash.clone(),
-            name: None,
-            size: None,
-            down_rate: None,
-            up_rate: None,
-            percent_complete: None,
-            completed: None,
-            eta: None,
-            status: None,
-            error_message: None,
-            label: None,
-        };
+        // struct_patch::diff uses the Patch trait we derived in shared crate
+        let patch = old_t.diff(new_t);
 
-        let mut has_changes = false;
-
-        // Alanları karşılaştır
-        if old_t.name != new_t.name {
-            update.name = Some(new_t.name.clone());
-            has_changes = true;
-        }
-        if old_t.size != new_t.size {
-            update.size = Some(new_t.size);
-            has_changes = true;
-        }
-        if old_t.down_rate != new_t.down_rate {
-            update.down_rate = Some(new_t.down_rate);
-            has_changes = true;
-        }
-        if old_t.up_rate != new_t.up_rate {
-            update.up_rate = Some(new_t.up_rate);
-            has_changes = true;
-        }
-        if (old_t.percent_complete - new_t.percent_complete).abs() > 0.01 {
-            update.percent_complete = Some(new_t.percent_complete);
-            has_changes = true;
-
-            // Torrent tamamlanma kontrolü
+        if !patch.is_empty() {
+            // If percent_complete jumped to 100, send notification
             if old_t.percent_complete < 100.0 && new_t.percent_complete >= 100.0 {
                 tracing::info!("Torrent completed: {} ({})", new_t.name, new_t.hash);
                 events.push(AppEvent::Notification(SystemNotification {
@@ -80,35 +39,7 @@ pub fn diff_torrents(old: &[Torrent], new: &[Torrent]) -> DiffResult {
                     message: format!("Torrent tamamlandı: {}", new_t.name),
                 }));
             }
-        }
-        if old_t.completed != new_t.completed {
-            update.completed = Some(new_t.completed);
-            has_changes = true;
-        }
-        if old_t.eta != new_t.eta {
-            update.eta = Some(new_t.eta);
-            has_changes = true;
-        }
-        if old_t.status != new_t.status {
-            update.status = Some(new_t.status.clone());
-            has_changes = true;
-            
-            tracing::debug!(
-                "Torrent status changed: {} ({}) {:?} -> {:?}",
-                new_t.name, new_t.hash, old_t.status, new_t.status
-            );
-        }
-        if old_t.error_message != new_t.error_message {
-            update.error_message = Some(new_t.error_message.clone());
-            has_changes = true;
-        }
-        if old_t.label != new_t.label {
-            update.label = new_t.label.clone();
-            has_changes = true;
-        }
-
-        if has_changes {
-            events.push(AppEvent::Update(update));
+            events.push(AppEvent::Update(patch));
         }
     }
 

backend/src/sse.rs

@@ -192,9 +192,25 @@ pub async fn fetch_global_stats(client: &RtorrentClient) -> Result<GlobalStats,
     })
 }
 
+use shared::xmlrpc::{
+    parse_i64_response, parse_multicall_response, RpcParam, RtorrentClient, XmlRpcError,
+};
+use crate::AppState;
+use axum::extract::State;
+use axum::response::sse::{Event, Sse};
+use futures::stream::{self, Stream};
+use shared::{AppEvent, GlobalStats, Torrent, TorrentStatus};
+use std::convert::Infallible;
+use tokio_stream::StreamExt;
+use axum::response::IntoResponse;
+use base64::{Engine as _, engine::general_purpose::STANDARD as BASE64};
+
+
+// ... (fields and other helper functions remain the same)
+
 pub async fn sse_handler(
     State(state): State<AppState>,
-) -> Sse<impl Stream<Item = Result<Event, Infallible>>> {
+) -> impl IntoResponse {
     // Notify background worker to wake up and poll immediately
     state.notify_poll.notify_one();
 
@@ -213,8 +229,8 @@ pub async fn sse_handler(
             timestamp,
         };
 
-        match serde_json::to_string(&event_data) {
-            Ok(json) => Event::default().data(json),
+        match rmp_serde::to_vec(&event_data) {
+            Ok(bytes) => Event::default().data(BASE64.encode(bytes)),
             Err(_) => Event::default().comment("init_error"),
         }
     };
@@ -226,10 +242,10 @@ pub async fn sse_handler(
     let rx = state.event_bus.subscribe();
     let update_stream = stream::unfold(rx, |mut rx| async move {
         match rx.recv().await {
-            Ok(event) => match serde_json::to_string(&event) {
-                Ok(json) => Some((Ok::<Event, Infallible>(Event::default().data(json)), rx)),
+            Ok(event) => match rmp_serde::to_vec(&event) {
+                Ok(bytes) => Some((Ok::<Event, Infallible>(Event::default().data(BASE64.encode(bytes))), rx)),
                 Err(e) => {
-                    tracing::warn!("Failed to serialize SSE event: {}", e);
+                    tracing::warn!("Failed to serialize SSE event (MessagePack): {}", e);
                     Some((
                         Ok::<Event, Infallible>(Event::default().comment("error")),
                         rx,
@@ -244,6 +260,11 @@ pub async fn sse_handler(
         }
     });
 
-    Sse::new(initial_stream.chain(update_stream))
-        .keep_alive(axum::response::sse::KeepAlive::default())
+    let sse = Sse::new(initial_stream.chain(update_stream))
+        .keep_alive(axum::response::sse::KeepAlive::default());
+
+    (
+        [("content-type", "application/x-msgpack")],
+        sse
+    )
 }