cleanup all the `<Uploader as Actor>::Context`s

src/upload.rs

@@ -82,6 +82,8 @@ impl Actor for Uploader {
     type Context = ws::WebsocketContext<Self>;
 }
 
+type Context = <Uploader as Actor>::Context;
+
 pub struct UploadedFile {
     pub name: String,
     pub size: u64,
@@ -141,7 +143,7 @@ impl From<&Error> for ServerMessage {
     }
 }
 
-fn stop_and_flush<T>(_: T, u: &mut Uploader, ctx: &mut <Uploader as Actor>::Context) {
+fn stop_and_flush<T>(_: T, u: &mut Uploader, ctx: &mut Context) {
     ctx.stop();
     if let Some(w) = u.writer.as_mut() {
         if let Err(e) = w.flush() {
@@ -178,12 +180,12 @@ impl StreamHandler<Result<ws::Message, ws::ProtocolError>> for Uploader {
     }
 }
 
-fn ack(ctx: &mut <Uploader as Actor>::Context) {
+fn ack(ctx: &mut Context) {
     ctx.text("ack");
 }
 
 impl Uploader {
-    fn notify_error_and_cleanup(&mut self, e: Error, ctx: &mut <Self as Actor>::Context) {
+    fn notify_error_and_cleanup(&mut self, e: Error, ctx: &mut Context) {
         error!("{}", e);
         ctx.text(serde_json::to_string(&ServerMessage::from(&e)).unwrap());
         ctx.close(Some(ws::CloseReason {
@@ -196,7 +198,7 @@ impl Uploader {
     fn handle_message(
         &mut self,
         msg: ws::Message,
-        ctx: &mut <Self as Actor>::Context,
+        ctx: &mut Context,
     ) -> Result<bool, Error> {
         trace!("Websocket message: {:?}", msg);
         match msg {
@@ -273,7 +275,7 @@ impl Uploader {
                         .await
                         .add_file(storage_filename, stored_file)
                         .await
-                }).map(|res, u: &mut Self, ctx: &mut <Self as Actor>::Context| {
+                }).map(|res, u: &mut Self, ctx: &mut Context| {
                     match res {
                         Ok(Ok(())) => ctx.text(serde_json::to_string(&ServerMessage::Ready { code: u.storage_filename.clone() }).unwrap()),
                         Ok(Err(size)) => u.notify_error_and_cleanup(Error::TooBig(size), ctx),
@@ -322,7 +324,7 @@ impl Uploader {
         }
     }
 
-    fn cleanup_after_error(&mut self, ctx: &mut <Self as Actor>::Context) {
+    fn cleanup_after_error(&mut self, ctx: &mut Context) {
         info!(
             "Cleaning up after failed upload of {}",
             self.storage_filename