fix: remove workspace trait, add channel error

src/errors.rs

@@ -1,5 +1,6 @@
 use std::{error::Error, fmt::Display};
 
+use tokio::sync::mpsc;
 use tonic::{Status, Code};
 use tracing::warn;
 
@@ -24,7 +25,9 @@ pub enum CodempError {
 		status: Code,
 		message: String,
 	},
-	Channel { },
+	Channel {
+		send: bool
+	},
 
 	// TODO filler error, remove later
 	Filler {
@@ -38,7 +41,7 @@ impl Display for CodempError {
 	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 		match self {
 			Self::Transport { status, message } => write!(f, "Transport error: ({}) {}", status, message),
-			Self::Channel { } => write!(f, "Channel error"),
+			Self::Channel { send } => write!(f, "Channel error (send:{})", send),
 			_ => write!(f, "Unknown error"),
 		}
 	}
@@ -57,3 +60,9 @@ impl From<tonic::transport::Error> for CodempError {
 		}
 	}
 }
+
+impl<T> From<mpsc::error::SendError<T>> for CodempError {
+	fn from(_value: mpsc::error::SendError<T>) -> Self {
+		CodempError::Channel { send: true }
+	}
+}

src/state.rs

@@ -1,13 +1,14 @@
 use std::{collections::BTreeMap, sync::Arc};
 
-use tokio::sync::RwLock;
+use tokio::sync::{RwLock, Mutex};
 use tonic::async_trait;
 
 use crate::{
-	buffer::{client::CodempClient, controller::OperationControllerSubscriber},
+	buffer::{controller::BufferController, handle::OperationControllerEditor},
-	cursor::controller::CursorSubscriber, errors::CodempError,
+	errors::CodempError, Controller, proto::Cursor, cursor::tracker::CursorTracker,
 };
 
+
 #[cfg(feature = "static")]
 pub mod instance {
 	use tokio::runtime::Runtime;
@@ -26,18 +27,7 @@ pub mod instance {
 pub struct Workspace {
 	client: CodempClient,
 	buffers: RwLock<BTreeMap<Box<str>, BufferController>>,
-	cursor: CursorController,
+	cursor: Arc<CursorTracker>,
-}
-
-pub type CursorController = Arc<dyn CursorSubscriber + Send + Sync>;
-pub type BufferController = Arc<dyn OperationControllerSubscriber + Send + Sync>;
-
-#[async_trait]
-pub trait WorkspaceHandle {
-	async fn cursor(&self) -> CursorController;
-	async fn buffer(&self, path: &str) -> Option<BufferController>;
-	async fn attach(&self, path: &str) -> Result<(), CodempError>;
-	async fn create(&self, path: &str, content: Option<&str>) -> Result<bool, CodempError>;
 }
 
 impl Workspace {
@@ -52,25 +42,22 @@ impl Workspace {
 			}
 		)
 	}
-}
 
-#[async_trait]
-impl WorkspaceHandle for Workspace {
 	// Cursor
-	async fn cursor(&self) -> CursorController {
+	pub async fn cursor(&self) -> Arc<CursorTracker> {
 		self.cursor.clone()
 	}
 
 	// Buffer
-	async fn buffer(&self, path: &str) -> Option<BufferController> {
+	pub async fn buffer(&self, path: &str) -> Option<BufferController> {
 		self.buffers.read().await.get(path).cloned()
 	}
 
-	async fn create(&self, path: &str, content: Option<&str>) -> Result<bool, CodempError> {
+	pub async fn create(&self, path: &str, content: Option<&str>) -> Result<bool, CodempError> {
 		Ok(self.client.clone().create(path, content).await?)
 	}
 
-	async fn attach(&self, path: &str) -> Result<(), CodempError> {
+	pub async fn attach(&self, path: &str) -> Result<(), CodempError> {
 		let controller = self.client.clone().attach(path).await?;
 		self.buffers.write().await.insert(path.into(), Arc::new(controller));
 		Ok(())