cove/src/ui/rooms.rs

582 lines
20 KiB
Rust

use std::collections::{HashMap, HashSet};
use std::iter;
use std::sync::{Arc, Mutex};
use crossterm::style::{ContentStyle, Stylize};
use euphoxide::api::SessionType;
use euphoxide::bot::instance::{Event, ServerConfig};
use euphoxide::conn::{self, Joined};
use parking_lot::FairMutex;
use tokio::sync::mpsc;
use toss::styled::Styled;
use toss::terminal::Terminal;
use crate::config::{Config, RoomsSortOrder};
use crate::euph;
use crate::macros::logging_unwrap;
use crate::vault::Vault;
use super::euph::room::EuphRoom;
use super::input::{key, InputEvent, KeyBindingsList};
use super::widgets::editor::EditorState;
use super::widgets::join::{HJoin, Segment, VJoin};
use super::widgets::layer::Layer;
use super::widgets::list::{List, ListState};
use super::widgets::popup::Popup;
use super::widgets::resize::Resize;
use super::widgets::text::Text;
use super::widgets::BoxedWidget;
use super::{util, UiEvent};
enum State {
ShowList,
ShowRoom(String),
Connect(EditorState),
Delete(String, EditorState),
}
enum Order {
Alphabet,
Importance,
}
impl Order {
fn from_rooms_sort_order(order: RoomsSortOrder) -> Self {
match order {
RoomsSortOrder::Alphabet => Self::Alphabet,
RoomsSortOrder::Importance => Self::Importance,
}
}
}
pub struct Rooms {
config: &'static Config,
vault: Vault,
ui_event_tx: mpsc::UnboundedSender<UiEvent>,
state: State,
list: ListState<String>,
order: Order,
euph_server_config: ServerConfig,
euph_next_instance_id: usize,
euph_rooms: HashMap<String, EuphRoom>,
}
impl Rooms {
pub async fn new(
config: &'static Config,
vault: Vault,
ui_event_tx: mpsc::UnboundedSender<UiEvent>,
) -> Self {
let cookies = logging_unwrap!(vault.euph().cookies().await);
let euph_server_config = ServerConfig::default().cookies(Arc::new(Mutex::new(cookies)));
let mut result = Self {
config,
vault,
ui_event_tx,
state: State::ShowList,
list: ListState::new(),
order: Order::from_rooms_sort_order(config.rooms_sort_order),
euph_server_config,
euph_next_instance_id: 0,
euph_rooms: HashMap::new(),
};
if !config.offline {
for (name, config) in &config.euph.rooms {
if config.autojoin {
result.connect_to_room(name.clone());
}
}
}
result
}
fn get_or_insert_room(&mut self, name: String) -> &mut EuphRoom {
self.euph_rooms.entry(name.clone()).or_insert_with(|| {
EuphRoom::new(
self.euph_server_config.clone(),
self.config.euph_room(&name),
self.vault.euph().room(name),
self.ui_event_tx.clone(),
)
})
}
fn connect_to_room(&mut self, name: String) {
let room = self.euph_rooms.entry(name.clone()).or_insert_with(|| {
EuphRoom::new(
self.euph_server_config.clone(),
self.config.euph_room(&name),
self.vault.euph().room(name),
self.ui_event_tx.clone(),
)
});
room.connect(&mut self.euph_next_instance_id);
}
fn connect_to_all_rooms(&mut self) {
for room in self.euph_rooms.values_mut() {
room.connect(&mut self.euph_next_instance_id);
}
}
fn disconnect_from_room(&mut self, name: &str) {
if let Some(room) = self.euph_rooms.get_mut(name) {
room.disconnect();
}
}
fn disconnect_from_all_rooms(&mut self) {
for room in self.euph_rooms.values_mut() {
room.disconnect();
}
}
/// Remove rooms that are not running any more and can't be found in the db.
/// Insert rooms that are in the db but not yet in in the hash map.
///
/// These kinds of rooms are either
/// - failed connection attempts, or
/// - rooms that were deleted from the db.
async fn stabilize_rooms(&mut self) {
let rooms = logging_unwrap!(self.vault.euph().rooms().await);
let mut rooms_set = rooms.into_iter().collect::<HashSet<_>>();
// Prevent room that is currently being shown from being removed. This
// could otherwise happen when connecting to a room that doesn't exist.
if let State::ShowRoom(name) = &self.state {
rooms_set.insert(name.clone());
}
self.euph_rooms
.retain(|n, r| !r.stopped() || rooms_set.contains(n));
for room in rooms_set {
self.get_or_insert_room(room).retain();
}
}
pub async fn widget(&mut self) -> BoxedWidget {
match &self.state {
State::ShowRoom(_) => {}
_ => self.stabilize_rooms().await,
}
match &self.state {
State::ShowList => self.rooms_widget().await,
State::ShowRoom(name) => {
self.euph_rooms
.get_mut(name)
.expect("room exists after stabilization")
.widget()
.await
}
State::Connect(editor) => Layer::new(vec![
self.rooms_widget().await,
Self::new_room_widget(editor),
])
.into(),
State::Delete(name, editor) => Layer::new(vec![
self.rooms_widget().await,
Self::delete_room_widget(name, editor),
])
.into(),
}
}
fn new_room_widget(editor: &EditorState) -> BoxedWidget {
let room_style = ContentStyle::default().bold().blue();
let editor = editor.widget().highlight(|s| Styled::new(s, room_style));
Popup::new(HJoin::new(vec![
Segment::new(Text::new(("&", room_style))),
Segment::new(editor).priority(0),
]))
.title("Connect to")
.build()
}
fn delete_room_widget(name: &str, editor: &EditorState) -> BoxedWidget {
let warn_style = ContentStyle::default().bold().red();
let room_style = ContentStyle::default().bold().blue();
let editor = editor.widget().highlight(|s| Styled::new(s, room_style));
let text = Styled::new_plain("Are you sure you want to delete ")
.then("&", room_style)
.then(name, room_style)
.then_plain("?\n\n")
.then_plain("This will delete the entire room history from your vault. ")
.then_plain("To shrink your vault afterwards, run ")
.then("cove gc", ContentStyle::default().italic().grey())
.then_plain(".\n\n")
.then_plain("To confirm the deletion, ")
.then_plain("enter the full name of the room and press enter:");
Popup::new(VJoin::new(vec![
// The HJoin prevents the text from filling up the entire available
// space if the editor is wider than the text.
Segment::new(HJoin::new(vec![Segment::new(
Resize::new(Text::new(text).wrap(true)).max_width(54),
)])),
Segment::new(HJoin::new(vec![
Segment::new(Text::new(("&", room_style))),
Segment::new(editor).priority(0),
])),
]))
.title(("Delete room", warn_style))
.border(warn_style)
.build()
}
fn format_pbln(joined: &Joined) -> String {
let mut p = 0_usize;
let mut b = 0_usize;
let mut l = 0_usize;
let mut n = 0_usize;
let sessions = joined
.listing
.values()
.map(|s| (s.id(), s.name()))
.chain(iter::once((
&joined.session.id,
&joined.session.name as &str,
)));
for (user_id, name) in sessions {
match user_id.session_type() {
Some(SessionType::Bot) if name.is_empty() => n += 1,
Some(SessionType::Bot) => b += 1,
_ if name.is_empty() => l += 1,
_ => p += 1,
}
}
// There must always be either one p, b, l or n since we're including
// ourselves.
let mut result = vec![];
if p > 0 {
result.push(format!("{p}p"));
}
if b > 0 {
result.push(format!("{b}b"));
}
if l > 0 {
result.push(format!("{l}l"));
}
if n > 0 {
result.push(format!("{n}n"));
}
result.join(" ")
}
fn format_room_state(state: Option<&euph::State>) -> Option<String> {
match state {
None | Some(euph::State::Stopped) => None,
Some(euph::State::Disconnected) => Some("waiting".to_string()),
Some(euph::State::Connecting) => Some("connecting".to_string()),
Some(euph::State::Connected(_, connected)) => match connected {
conn::State::Joining(joining) if joining.bounce.is_some() => {
Some("auth required".to_string())
}
conn::State::Joining(_) => Some("joining".to_string()),
conn::State::Joined(joined) => Some(Self::format_pbln(joined)),
},
}
}
fn format_unseen_msgs(unseen: usize) -> Option<String> {
if unseen == 0 {
None
} else {
Some(format!("{unseen}"))
}
}
fn format_room_info(state: Option<&euph::State>, unseen: usize) -> Styled {
let unseen_style = ContentStyle::default().bold().green();
let state = Self::format_room_state(state);
let unseen = Self::format_unseen_msgs(unseen);
match (state, unseen) {
(None, None) => Styled::default(),
(None, Some(u)) => Styled::new_plain(" (")
.then(u, unseen_style)
.then_plain(")"),
(Some(s), None) => Styled::new_plain(" (").then_plain(s).then_plain(")"),
(Some(s), Some(u)) => Styled::new_plain(" (")
.then_plain(s)
.then_plain(", ")
.then(u, unseen_style)
.then_plain(")"),
}
}
fn sort_rooms(&self, rooms: &mut [(&String, Option<&euph::State>, usize)]) {
match self.order {
Order::Alphabet => rooms.sort_unstable_by_key(|(name, _, _)| *name),
Order::Importance => rooms.sort_unstable_by_key(|(name, state, unseen)| {
(state.is_none(), *unseen == 0, *name)
}),
}
}
async fn render_rows(&self, list: &mut List<String>) {
if self.euph_rooms.is_empty() {
list.add_unsel(Text::new((
"Press F1 for key bindings",
ContentStyle::default().grey().italic(),
)))
}
let mut rooms = vec![];
for (name, room) in &self.euph_rooms {
let state = room.room_state();
let unseen = room.unseen_msgs_count().await;
rooms.push((name, state, unseen));
}
self.sort_rooms(&mut rooms);
for (name, state, unseen) in rooms {
let room_style = ContentStyle::default().bold().blue();
let room_sel_style = ContentStyle::default().bold().black().on_white();
let mut normal = Styled::new(format!("&{name}"), room_style);
let mut selected = Styled::new(format!("&{name}"), room_sel_style);
let info = Self::format_room_info(state, unseen);
normal = normal.and_then(info.clone());
selected = selected.and_then(info);
list.add_sel(name.clone(), Text::new(normal), Text::new(selected));
}
}
async fn rooms_widget(&self) -> BoxedWidget {
let heading_style = ContentStyle::default().bold();
let amount = self.euph_rooms.len();
let heading =
Text::new(Styled::new("Rooms", heading_style).then_plain(format!(" ({amount})")));
let mut list = self.list.widget().focus(true);
self.render_rows(&mut list).await;
VJoin::new(vec![Segment::new(heading), Segment::new(list).priority(0)]).into()
}
fn room_char(c: char) -> bool {
c.is_ascii_alphanumeric() || c == '_'
}
fn list_showlist_key_bindings(bindings: &mut KeyBindingsList) {
bindings.heading("Rooms");
util::list_list_key_bindings(bindings);
bindings.empty();
bindings.binding("enter", "enter selected room");
bindings.binding("c", "connect to selected room");
bindings.binding("C", "connect to all rooms");
bindings.binding("d", "disconnect from selected room");
bindings.binding("D", "disconnect from all rooms");
bindings.binding("a", "connect to all autojoin room");
bindings.binding("A", "disconnect from all non-autojoin rooms");
bindings.binding("n", "connect to new room");
bindings.binding("X", "delete room");
bindings.empty();
bindings.binding("s", "change sort order");
}
fn handle_showlist_input_event(&mut self, event: &InputEvent) -> bool {
if util::handle_list_input_event(&mut self.list, event) {
return true;
}
match event {
key!(Enter) => {
if let Some(name) = self.list.cursor() {
self.state = State::ShowRoom(name);
}
return true;
}
key!('c') => {
if let Some(name) = self.list.cursor() {
self.connect_to_room(name);
}
return true;
}
key!('C') => {
self.connect_to_all_rooms();
return true;
}
key!('d') => {
if let Some(name) = self.list.cursor() {
self.disconnect_from_room(&name);
}
return true;
}
key!('D') => {
self.disconnect_from_all_rooms();
return true;
}
key!('a') => {
for (name, options) in &self.config.euph.rooms {
if options.autojoin {
self.connect_to_room(name.clone());
}
}
return true;
}
key!('A') => {
for (name, room) in &mut self.euph_rooms {
let autojoin = self
.config
.euph
.rooms
.get(name)
.map(|r| r.autojoin)
.unwrap_or(false);
if !autojoin {
room.disconnect();
}
}
return true;
}
key!('n') => {
self.state = State::Connect(EditorState::new());
return true;
}
key!('X') => {
if let Some(name) = self.list.cursor() {
self.state = State::Delete(name, EditorState::new());
}
return true;
}
key!('s') => {
self.order = match self.order {
Order::Alphabet => Order::Importance,
Order::Importance => Order::Alphabet,
};
return true;
}
_ => {}
}
false
}
pub async fn list_key_bindings(&self, bindings: &mut KeyBindingsList) {
match &self.state {
State::ShowList => Self::list_showlist_key_bindings(bindings),
State::ShowRoom(name) => {
// Key bindings for leaving the room are a part of the room's
// list_key_bindings function since they may be shadowed by the
// nick selector or message editor.
if let Some(room) = self.euph_rooms.get(name) {
room.list_key_bindings(bindings).await;
} else {
// There should always be a room here already but I don't
// really want to panic in case it is not. If I show a
// message like this, it'll hopefully be reported if
// somebody ever encounters it.
bindings.binding_ctd("oops, this text should never be visible")
}
}
State::Connect(_) => {
bindings.heading("Rooms");
bindings.binding("esc", "abort");
bindings.binding("enter", "connect to room");
util::list_editor_key_bindings(bindings, Self::room_char);
}
State::Delete(_, _) => {
bindings.heading("Rooms");
bindings.binding("esc", "abort");
bindings.binding("enter", "delete room");
util::list_editor_key_bindings(bindings, Self::room_char);
}
}
}
pub async fn handle_input_event(
&mut self,
terminal: &mut Terminal,
crossterm_lock: &Arc<FairMutex<()>>,
event: &InputEvent,
) -> bool {
self.stabilize_rooms().await;
match &self.state {
State::ShowList => {
if self.handle_showlist_input_event(event) {
return true;
}
}
State::ShowRoom(name) => {
if let Some(room) = self.euph_rooms.get_mut(name) {
if room
.handle_input_event(terminal, crossterm_lock, event)
.await
{
return true;
}
if let key!(Esc) = event {
self.state = State::ShowList;
return true;
}
}
}
State::Connect(ed) => match event {
key!(Esc) => {
self.state = State::ShowList;
return true;
}
key!(Enter) => {
let name = ed.text();
if !name.is_empty() {
self.connect_to_room(name.clone());
self.state = State::ShowRoom(name);
}
return true;
}
_ => {
if util::handle_editor_input_event(ed, terminal, event, Self::room_char) {
return true;
}
}
},
State::Delete(name, editor) => match event {
key!(Esc) => {
self.state = State::ShowList;
return true;
}
key!(Enter) if editor.text() == *name => {
self.euph_rooms.remove(name);
logging_unwrap!(self.vault.euph().room(name.clone()).delete().await);
self.state = State::ShowList;
return true;
}
_ => {
if util::handle_editor_input_event(editor, terminal, event, Self::room_char) {
return true;
}
}
},
}
false
}
pub async fn handle_euph_event(&mut self, event: Event) -> bool {
let room_name = event.config().room.clone();
let Some(room) = self.euph_rooms.get_mut(&room_name) else { return false; };
let handled = room.handle_event(event).await;
let room_visible = match &self.state {
State::ShowRoom(name) => *name == room_name,
_ => true,
};
handled && room_visible
}
}