feat: allow async function in command

Signed-off-by: kjuulh <contact@kjuulh.io>

Cargo.lock

@@ -687,6 +687,21 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "futures"
+version = "0.3.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "645c6916888f6cb6350d2550b80fb63e734897a8498abe35cfb732b6487804b0"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-executor",
+ "futures-io",
+ "futures-sink",
+ "futures-task",
+ "futures-util",
+]
+
 [[package]]
 name = "futures-channel"
 version = "0.3.30"
@@ -731,6 +746,17 @@ version = "0.3.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a44623e20b9681a318efdd71c299b6b222ed6f231972bfe2f224ebad6311f0c1"
 
+[[package]]
+name = "futures-macro"
+version = "0.3.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87750cf4b7a4c0625b1529e4c543c2182106e4dedc60a2a6455e00d212c489ac"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.62",
+]
+
 [[package]]
 name = "futures-sink"
 version = "0.3.30"
@@ -749,8 +775,10 @@ version = "0.3.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3d6401deb83407ab3da39eba7e33987a73c3df0c82b4bb5813ee871c19c41d48"
 dependencies = [
+ "futures-channel",
  "futures-core",
  "futures-io",
+ "futures-macro",
  "futures-sink",
  "futures-task",
  "memchr",
@@ -1118,8 +1146,10 @@ dependencies = [
  "crossterm",
  "directories",
  "dirs",
+ "futures",
  "human-panic",
  "hyperlog-core",
+ "hyperlog-protos",
  "itertools",
  "ratatui",
  "ropey",
@@ -1128,6 +1158,7 @@ dependencies = [
  "similar-asserts",
  "tempfile",
  "tokio",
+ "tonic",
  "tracing",
  "tracing-subscriber",
 ]

Cargo.toml

@@ -20,6 +20,7 @@ serde_json = "1.0.117"
 itertools = "0.12.1"
 uuid = { version = "1.8.0", features = ["v4"] }
 tonic = "0.11.0"
+futures = { version = "0.3.30" }
 
 [workspace.package]
 version = "0.1.0"

crates/hyperlog-protos/proto/hyperlog.proto

@@ -15,16 +15,16 @@ message SectionGraphItem {
   map<string, GraphItem> items = 1;
 }
 
-enum ItemState {
-  UNSPECIFIED = 0;
-  NOT_DONE = 1;
-  DONE = 2;
-}
+message ItemStateNotDone {}
+message ItemStateDone {}
 
 message ItemGraphItem {
   string title = 1;
   string description = 2;
-  ItemState state = 3;
+  oneof item_state {
+    ItemStateNotDone not_done = 3;
+    ItemStateDone done = 4;
+  }
 }
 
 message GraphItem {
@@ -42,6 +42,6 @@ message GetRequest {
 }
 
 message GetReply {
-  repeated GraphItem items = 1;
+  GraphItem item = 1;
 }
 

crates/hyperlog-server/src/external_grpc.rs

@@ -32,28 +32,14 @@ impl Graph for Server {
         tracing::trace!("get: req({:?})", msg);
 
         Ok(Response::new(GetReply {
-            items: vec![
-                GraphItem {
+            item: Some(GraphItem {
                 path: "some.path".into(),
                 contents: Some(graph_item::Contents::Item(ItemGraphItem {
                     title: "some-title".into(),
                     description: "some-description".into(),
-                        state: ItemState::NotDone as i32,
+                    item_state: Some(item_graph_item::ItemState::Done(ItemStateDone {})),
                 })),
-                },
-                GraphItem {
-                    path: "some.path.section".into(),
-                    contents: Some(graph_item::Contents::Section(SectionGraphItem {
-                        items: HashMap::new(),
-                    })),
-                },
-                GraphItem {
-                    path: "some.path".into(),
-                    contents: Some(graph_item::Contents::User(UserGraphItem {
-                        items: HashMap::new(),
-                    })),
-                },
-            ],
+            }),
         }))
     }
 }

crates/hyperlog-tui/Cargo.toml

@@ -6,6 +6,7 @@ repository = "https://git.front.kjuulh.io/kjuulh/hyperlog"
 
 [dependencies]
 hyperlog-core.workspace = true
+hyperlog-protos.workspace = true
 
 anyhow.workspace = true
 tokio.workspace = true
@@ -14,6 +15,8 @@ tracing-subscriber.workspace = true
 serde.workspace = true
 serde_json.workspace = true
 itertools.workspace = true
+tonic.workspace = true
+futures.workspace = true
 
 ratatui = "0.26.2"
 crossterm = { version = "0.27.0", features = ["event-stream"] }

crates/hyperlog-tui/src/command_parser.rs

@@ -10,6 +10,7 @@ pub enum Commands {
 
     ShowAll,
     HideDone,
+    Test,
 }
 
 impl Commands {
@@ -42,6 +43,7 @@ impl CommandParser {
                 "e" | "edit" => Some(Commands::Edit),
                 "show-all" => Some(Commands::ShowAll),
                 "hide-done" => Some(Commands::HideDone),
+                "test" => Some(Commands::Test),
                 _ => None,
             },
             None => None,

crates/hyperlog-tui/src/commands.rs

@@ -1,3 +1,5 @@
+use tokio::sync::mpsc::{UnboundedReceiver, UnboundedSender};
+
 use crate::models::Msg;
 
 pub trait IntoCommand {
@@ -6,7 +8,7 @@ pub trait IntoCommand {
 
 impl IntoCommand for () {
     fn into_command(self) -> Command {
-        Command::new(|| None)
+        Command::new(|_| None)
     }
 }
 
@@ -16,16 +18,47 @@ impl IntoCommand for Command {
     }
 }
 
+type CommandFunc = dyn FnOnce(Dispatch) -> Option<Msg>;
+
 pub struct Command {
-    func: Box<dyn FnOnce() -> Option<Msg>>,
+    func: Box<CommandFunc>,
 }
 
 impl Command {
-    pub fn new<T: FnOnce() -> Option<Msg> + 'static>(f: T) -> Self {
+    pub fn new<T: FnOnce(Dispatch) -> Option<Msg> + 'static>(f: T) -> Self {
         Self { func: Box::new(f) }
     }
 
-    pub fn execute(self) -> Option<Msg> {
-        self.func.call_once(())
+    pub fn execute(self, dispatch: Dispatch) -> Option<Msg> {
+        self.func.call_once((dispatch,))
+    }
+}
+
+pub fn create_dispatch() -> (Dispatch, Receiver) {
+    let (tx, rx) = tokio::sync::mpsc::unbounded_channel();
+
+    (Dispatch { sender: tx }, Receiver { receiver: rx })
+}
+
+#[derive(Clone)]
+pub struct Dispatch {
+    sender: UnboundedSender<Msg>,
+}
+
+impl Dispatch {
+    pub fn send(&self, msg: Msg) {
+        if let Err(e) = self.sender.send(msg) {
+            tracing::warn!("failed to send event: {}", e);
+        }
+    }
+}
+
+pub struct Receiver {
+    receiver: UnboundedReceiver<Msg>,
+}
+
+impl Receiver {
+    pub async fn next(&mut self) -> Option<Msg> {
+        self.receiver.recv().await
     }
 }

crates/hyperlog-tui/src/components/graph_explorer.rs

@@ -3,7 +3,11 @@ use hyperlog_core::log::GraphItem;
 use ratatui::{prelude::*, widgets::*};
 
 use crate::{
-    command_parser::Commands, commander, components::movement_graph::GraphItemType, models::Msg,
+    command_parser::Commands,
+    commander,
+    commands::{Command, IntoCommand},
+    components::movement_graph::GraphItemType,
+    models::Msg,
     state::SharedState,
 };
 
@@ -184,7 +188,7 @@ impl<'a> GraphExplorer<'a> {
         }
     }
 
-    pub fn execute_command(&mut self, command: &Commands) -> anyhow::Result<Option<Msg>> {
+    pub fn execute_command(&mut self, command: &Commands) -> anyhow::Result<Option<Command>> {
         match command {
             Commands::Archive => {
                 if !self.get_current_path().is_empty() {
@@ -220,7 +224,9 @@ impl<'a> GraphExplorer<'a> {
                         GraphItemType::Item { .. } => {
                             if let Some(item) = self.state.querier.get(&self.inner.root, path) {
                                 if let GraphItem::Item { .. } = item {
-                                    return Ok(Some(Msg::OpenEditItemDialog { item }));
+                                    return Ok(Some(
+                                        Msg::OpenEditItemDialog { item }.into_command(),
+                                    ));
                                 }
                             }
                         }
@@ -233,6 +239,18 @@ impl<'a> GraphExplorer<'a> {
             Commands::HideDone => {
                 self.inner.display_options.filter_by = FilterBy::NotDone;
             }
+            Commands::Test => {
+                return Ok(Some(Command::new(|dispatch| {
+                    tokio::spawn(async move {
+                        dispatch.send(Msg::MoveDown);
+                        tokio::time::sleep(std::time::Duration::from_secs(2)).await;
+                        dispatch.send(Msg::EnterViewMode);
+                    });
+
+                    None
+                })));
+            }
+
             _ => (),
         }
 

crates/hyperlog-tui/src/core_state.rs

@@ -26,7 +26,7 @@ impl State {
             events: events.clone(),
 
             commander: Commander::new(engine.clone(), storage, events)?,
-            querier: Querier::new(engine),
+            querier: Querier::local(&engine),
         })
     }
 }

crates/hyperlog-tui/src/lib.rs

@@ -1,14 +1,15 @@
 #![feature(map_try_insert)]
 #![feature(fn_traits)]
 
-use std::{io::Stdout, time::Duration};
+use std::io::Stdout;
 
 use anyhow::{Context, Result};
 use app::{render_app, App};
-use commands::IntoCommand;
+use commands::{Dispatch, IntoCommand, Receiver};
 use components::graph_explorer::GraphExplorer;
 use core_state::State;
-use crossterm::event::{self, Event, KeyCode};
+use crossterm::event::{Event, KeyCode, KeyEventKind};
+use futures::{FutureExt, StreamExt};
 use models::{EditMsg, Msg};
 use ratatui::{backend::CrosstermBackend, Terminal};
 
@@ -43,12 +44,12 @@ pub async fn execute(state: State) -> Result<()> {
     let state = SharedState::from(state);
 
     let mut terminal = TerminalInstance::new()?;
-    run(&mut terminal, state).context("app loop failed")?;
+    run(&mut terminal, state).await.context("app loop failed")?;
 
     Ok(())
 }
 
-fn run(terminal: &mut Terminal<CrosstermBackend<Stdout>>, state: SharedState) -> Result<()> {
+async fn run(terminal: &mut Terminal<CrosstermBackend<Stdout>>, state: SharedState) -> Result<()> {
     let root = match state.querier.get_available_roots() {
         // TODO: maybe present choose root screen
         Some(roots) => roots.first().cloned().unwrap(),
@@ -62,11 +63,22 @@ fn run(terminal: &mut Terminal<CrosstermBackend<Stdout>>, state: SharedState) ->
     graph_explorer.update_graph()?;
 
     let mut app = App::new(&root, state.clone(), graph_explorer);
+    let (dispatch, mut receiver) = commands::create_dispatch();
+    let mut event_stream = crossterm::event::EventStream::new();
 
     loop {
         terminal.draw(|f| render_app(f, &mut app))?;
 
-        if update(terminal, &mut app)?.should_quit() {
+        if update(
+            terminal,
+            &mut app,
+            &dispatch,
+            &mut receiver,
+            &mut event_stream,
+        )
+        .await?
+        .should_quit()
+        {
             break;
         }
     }
@@ -85,12 +97,20 @@ impl UpdateConclusion {
     }
 }
 
-fn update(
+async fn update<'a>(
     _terminal: &mut Terminal<CrosstermBackend<Stdout>>,
-    app: &mut App,
+    app: &mut App<'a>,
+    dispatch: &Dispatch,
+    receiver: &mut Receiver,
+    event_stream: &mut crossterm::event::EventStream,
 ) -> Result<UpdateConclusion> {
-    if event::poll(Duration::from_millis(250)).context("event poll failed")? {
-        if let Event::Key(key) = event::read().context("event read failed")? {
+    let cross_event = event_stream.next().fuse();
+
+    let mut handle_key_event = |maybe_event| -> anyhow::Result<UpdateConclusion> {
+        match maybe_event {
+            Some(Ok(e)) => {
+                if let Event::Key(key) = e {
+                    if key.kind == KeyEventKind::Press {
                         let mut cmd = match &app.mode {
                             app::Mode::View => match key.code {
                                 KeyCode::Enter => app.update(Msg::Interact)?,
@@ -113,7 +133,9 @@ fn update(
                                 KeyCode::Enter => app.update(Msg::Edit(EditMsg::InsertNewLine))?,
                                 KeyCode::Tab => app.update(Msg::Edit(EditMsg::InsertTab))?,
                                 KeyCode::Delete => app.update(Msg::Edit(EditMsg::DeleteNext))?,
-                    KeyCode::Char(c) => app.update(Msg::Edit(EditMsg::InsertChar(c)))?,
+                                KeyCode::Char(c) => {
+                                    app.update(Msg::Edit(EditMsg::InsertChar(c)))?
+                                }
                                 KeyCode::Left => app.update(Msg::Edit(EditMsg::MoveLeft))?,
                                 KeyCode::Right => app.update(Msg::Edit(EditMsg::MoveRight))?,
                                 KeyCode::Esc => app.update(Msg::EnterViewMode)?,
@@ -122,7 +144,7 @@ fn update(
                         };
 
                         loop {
-                let msg = cmd.into_command().execute();
+                            let msg = cmd.into_command().execute(dispatch.clone());
                             match msg {
                                 Some(msg) => {
                                     if let Msg::QuitApp = msg {
@@ -136,6 +158,47 @@ fn update(
                         }
                     }
                 }
+            }
+            Some(Err(e)) => {
+                tracing::warn!("failed to send event: {}", e);
+            }
+            None => {}
+        }
+
+        Ok(UpdateConclusion(false))
+    };
+
+    tokio::select! {
+        maybe_event = cross_event => {
+            let conclusion = handle_key_event(maybe_event)?;
+
+            return Ok(conclusion)
+        },
+
+        msg = receiver.next() => {
+            if let Some(msg) = msg {
+                if let Msg::QuitApp = msg {
+                    return Ok(UpdateConclusion(true));
+                }
+
+                let mut cmd = app.update(msg)?;
+
+                loop {
+                    let msg = cmd.into_command().execute(dispatch.clone());
+                    match msg {
+                        Some(msg) => {
+                            if let Msg::QuitApp = msg {
+                                return Ok(UpdateConclusion(true));
+                            }
+
+                            cmd = app.update(msg)?;
+                        }
+                        None => break,
+                    }
+                }
+            }
+        }
+    }
 
     Ok(UpdateConclusion::new(false))
 }

crates/hyperlog-tui/src/models.rs

@@ -24,7 +24,7 @@ pub enum Msg {
 
 impl IntoCommand for Msg {
     fn into_command(self) -> crate::commands::Command {
-        Command::new(|| Some(self))
+        Command::new(|_| Some(self))
     }
 }
 

crates/hyperlog-tui/src/querier.rs

@@ -2,17 +2,22 @@ use hyperlog_core::log::GraphItem;
 
 use crate::shared_engine::SharedEngine;
 
+mod local;
+mod remote;
+
+enum QuerierVariant {
+    Local(local::Querier),
+}
+
 pub struct Querier {
-    engine: SharedEngine,
+    variant: QuerierVariant,
 }
 
 impl Querier {
-    pub fn new(engine: SharedEngine) -> Self {
-        Self { engine }
+    pub fn local(engine: &SharedEngine) -> Self {
+        Self {
+            variant: QuerierVariant::Local(local::Querier::new(engine)),
         }
-
-    pub fn get_available_roots(&self) -> Option<Vec<String>> {
-        self.engine.get_roots()
     }
 
     pub fn get(
@@ -20,20 +25,14 @@ impl Querier {
         root: &str,
         path: impl IntoIterator<Item = impl Into<String>>,
     ) -> Option<GraphItem> {
-        let path = path
-            .into_iter()
-            .map(|i| i.into())
-            .filter(|i| !i.is_empty())
-            .collect::<Vec<String>>();
+        match &self.variant {
+            QuerierVariant::Local(querier) => querier.get(root, path),
+        }
+    }
 
-        tracing::debug!(
-            "quering: root:({}), path:({}), len: ({}))",
-            root,
-            path.join("."),
-            path.len()
-        );
-
-        self.engine
-            .get(root, &path.iter().map(|i| i.as_str()).collect::<Vec<_>>())
+    pub fn get_available_roots(&self) -> Option<Vec<String>> {
+        match &self.variant {
+            QuerierVariant::Local(querier) => querier.get_available_roots(),
+        }
     }
 }

crates/hyperlog-tui/src/querier/local.rs

@@ -0,0 +1,41 @@
+use hyperlog_core::log::GraphItem;
+
+use crate::shared_engine::SharedEngine;
+
+pub struct Querier {
+    engine: SharedEngine,
+}
+
+impl Querier {
+    pub fn new(engine: &SharedEngine) -> Self {
+        Self {
+            engine: engine.clone(),
+        }
+    }
+
+    pub fn get_available_roots(&self) -> Option<Vec<String>> {
+        self.engine.get_roots()
+    }
+
+    pub fn get(
+        &self,
+        root: &str,
+        path: impl IntoIterator<Item = impl Into<String>>,
+    ) -> Option<GraphItem> {
+        let path = path
+            .into_iter()
+            .map(|i| i.into())
+            .filter(|i| !i.is_empty())
+            .collect::<Vec<String>>();
+
+        tracing::debug!(
+            "quering: root:({}), path:({}), len: ({}))",
+            root,
+            path.join("."),
+            path.len()
+        );
+
+        self.engine
+            .get(root, &path.iter().map(|i| i.as_str()).collect::<Vec<_>>())
+    }
+}

crates/hyperlog-tui/src/querier/remote.rs

@@ -0,0 +1,106 @@
+use std::collections::BTreeMap;
+
+use hyperlog_core::log::GraphItem;
+use hyperlog_protos::hyperlog::{graph_client::GraphClient, graph_item::Contents, GetRequest};
+use itertools::Itertools;
+use tonic::transport::Channel;
+
+use crate::shared_engine::SharedEngine;
+
+pub struct Querier {
+    channel: Channel,
+}
+
+impl Querier {
+    pub async fn new() -> anyhow::Result<Self> {
+        let channel = Channel::from_static("http://localhost:4000")
+            .connect()
+            .await?;
+
+        Ok(Self { channel })
+    }
+
+    pub async fn get_available_roots(&self) -> Option<Vec<String>> {
+        //self.engine.get_roots()
+        todo!()
+    }
+
+    pub async fn get(
+        &self,
+        root: &str,
+        path: impl IntoIterator<Item = impl Into<String>>,
+    ) -> anyhow::Result<Option<GraphItem>> {
+        let paths = path.into_iter().map(|i| i.into()).collect_vec();
+
+        tracing::debug!(
+            "quering: root:({}), path:({}), len: ({}))",
+            root,
+            paths.join("."),
+            paths.len()
+        );
+
+        let channel = self.channel.clone();
+
+        let mut client = GraphClient::new(channel);
+
+        let request = tonic::Request::new(GetRequest {
+            root: root.into(),
+            paths,
+        });
+
+        let response = client.get(request).await?;
+
+        let graph_item = response.into_inner();
+
+        if let Some(item) = graph_item.item {
+            Ok(transform_proto_to_local(&item))
+        } else {
+            Ok(None)
+        }
+    }
+}
+
+fn transform_proto_to_local(input: &hyperlog_protos::hyperlog::GraphItem) -> Option<GraphItem> {
+    match &input.contents {
+        Some(item) => match item {
+            Contents::User(user) => {
+                let mut items = BTreeMap::new();
+
+                for (key, value) in &user.items {
+                    if let Some(item) = transform_proto_to_local(value) {
+                        items.insert(key.clone(), item);
+                    }
+                }
+
+                Some(GraphItem::User(items))
+            }
+            Contents::Section(section) => {
+                let mut items = BTreeMap::new();
+
+                for (key, value) in &section.items {
+                    if let Some(item) = transform_proto_to_local(value) {
+                        items.insert(key.clone(), item);
+                    }
+                }
+
+                Some(GraphItem::Section(items))
+            }
+            Contents::Item(item) => Some(GraphItem::Item {
+                title: item.title.clone(),
+                description: item.description.clone(),
+                state: match &item.item_state {
+                    Some(state) => match state {
+                        hyperlog_protos::hyperlog::item_graph_item::ItemState::NotDone(_) => {
+                            hyperlog_core::log::ItemState::NotDone
+                        }
+                        hyperlog_protos::hyperlog::item_graph_item::ItemState::Done(_) => {
+                            hyperlog_core::log::ItemState::Done
+                        }
+                    },
+                    None => hyperlog_core::log::ItemState::NotDone,
+                },
+            }),
+        },
+        None => None,
+    }
+}