node: Add track/untrack support

Signed-off-by: Slack Coder <slackcoder@server.ky>

node/src/client/handle.rs

@@ -54,6 +54,25 @@ pub struct Handle<R: Reactor> {
 }
 
 impl<R: Reactor> traits::Handle for Handle<R> {
+    /// Retrieve or update the project from network.
+    fn fetch(&self, _id: ProjId) -> Result<(), Error> {
+        todo!()
+    }
+
+    /// Start tracking the given project. Doesn't do anything if the project is already tracked.
+    fn track(&self, id: ProjId) -> Result<bool, Error> {
+        let (sender, receiver) = chan::bounded(1);
+        self.commands.send(protocol::Command::Track(id, sender))?;
+        receiver.recv().map_err(Error::from)
+    }
+
+    /// Untrack the given project and delete it from storage.
+    fn untrack(&self, id: ProjId) -> Result<bool, Error> {
+        let (sender, receiver) = chan::bounded(1);
+        self.commands.send(protocol::Command::Untrack(id, sender))?;
+        receiver.recv().map_err(Error::from)
+    }
+
     /// Notify the client that a project has been updated.
     fn updated(&self, id: ProjId) -> Result<(), Error> {
         self.command(protocol::Command::AnnounceRefsUpdate(id))
@@ -80,6 +99,13 @@ pub mod traits {
     use super::*;
 
     pub trait Handle {
+        /// Retrieve or update the project from network.
+        fn fetch(&self, id: ProjId) -> Result<(), Error>;
+        /// Start tracking the given project. Doesn't do anything if the project is already
+        /// tracked.
+        fn track(&self, id: ProjId) -> Result<bool, Error>;
+        /// Untrack the given project and delete it from storage.
+        fn untrack(&self, id: ProjId) -> Result<bool, Error>;
         /// Notify the client that a project has been updated.
         fn updated(&self, id: ProjId) -> Result<(), Error>;
         /// Send a command to the command channel, and wake up the event loop.