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app.rs
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app.rs
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use std::collections::HashMap;
use color_eyre::eyre::Result;
use crossterm::event::KeyEvent;
use ratatui::{
layout::{Constraint, Layout},
prelude::Rect,
};
use serde::{Deserialize, Serialize};
use tokio::sync::mpsc;
use crate::{
action::Action,
config::Config,
pages::{home::Home, phone::Phone, Page},
panes::{footer::FooterPane, header::HeaderPane, history::HistoryPane, Pane},
request::Request,
response::Response,
state::{InputMode, OperationItemType, State},
tui,
};
#[derive(Default, Debug, Copy, Clone, PartialEq, Eq, Hash, Serialize, Deserialize)]
pub enum Mode {
#[default]
Home,
}
pub struct App {
pub config: Config,
pub pages: Vec<Box<dyn Page>>,
pub history: HashMap<String, Box<dyn Page>>,
pub active_page: usize,
pub footer: FooterPane,
pub header: HeaderPane,
pub popup: Option<Box<dyn Pane>>,
pub should_quit: bool,
pub should_suspend: bool,
pub mode: Mode,
pub last_tick_key_events: Vec<KeyEvent>,
pub state: State,
}
impl App {
pub async fn new(input: String) -> Result<Self> {
let state = State::from_input(input).await?;
let home = Home::new()?;
let config = Config::new()?;
let mode = Mode::Home;
Ok(Self {
pages: vec![Box::new(home)],
history: HashMap::default(),
active_page: 0,
footer: FooterPane::new(),
header: HeaderPane::new(),
popup: None,
should_quit: false,
should_suspend: false,
config,
mode,
last_tick_key_events: Vec::new(),
state,
})
}
pub async fn run(&mut self) -> Result<()> {
let (action_tx, mut action_rx) = mpsc::unbounded_channel::<Action>();
let (request_tx, mut request_rx) = mpsc::unbounded_channel::<Request>();
let mut tui = tui::Tui::new()?;
tui.enter()?;
for page in self.pages.iter_mut() {
page.register_action_handler(action_tx.clone())?;
}
for page in self.pages.iter_mut() {
page.register_config_handler(self.config.clone())?;
}
for page in self.pages.iter_mut() {
page.init(&self.state)?;
page.focus()?;
}
self.header.init(&self.state)?;
self.footer.init(&self.state)?;
loop {
if let Some(e) = tui.next().await {
let mut stop_event_propagation = self
.popup
.as_mut()
.and_then(|pane| pane.handle_events(e.clone(), &mut self.state).ok())
.map(|response| match response {
Some(tui::EventResponse::Continue(action)) => {
action_tx.send(action).ok();
false
},
Some(tui::EventResponse::Stop(action)) => {
action_tx.send(action).ok();
true
},
_ => false,
})
.unwrap_or(false);
stop_event_propagation = stop_event_propagation
|| self
.pages
.get_mut(self.active_page)
.and_then(|page| page.handle_events(e.clone(), &mut self.state).ok())
.map(|response| match response {
Some(tui::EventResponse::Continue(action)) => {
action_tx.send(action).ok();
false
},
Some(tui::EventResponse::Stop(action)) => {
action_tx.send(action).ok();
true
},
_ => false,
})
.unwrap_or(false);
stop_event_propagation = stop_event_propagation
|| self
.footer
.handle_events(e.clone(), &mut self.state)
.map(|response| match response {
Some(tui::EventResponse::Continue(action)) => {
action_tx.send(action).ok();
false
},
Some(tui::EventResponse::Stop(action)) => {
action_tx.send(action).ok();
true
},
_ => false,
})
.unwrap_or(false);
if !stop_event_propagation {
match e {
tui::Event::Quit if self.state.input_mode == InputMode::Normal => action_tx.send(Action::Quit)?,
tui::Event::Tick => action_tx.send(Action::Tick)?,
tui::Event::Render => action_tx.send(Action::Render)?,
tui::Event::Resize(x, y) => action_tx.send(Action::Resize(x, y))?,
tui::Event::Key(key) => {
if let Some(keymap) = self.config.keybindings.get(&self.mode) {
if let Some(action) = keymap.get(&vec![key]) {
action_tx.send(action.clone())?;
} else {
// If the key was not handled as a single key action,
// then consider it for multi-key combinations.
self.last_tick_key_events.push(key);
// Check for multi-key combinations
if let Some(action) = keymap.get(&self.last_tick_key_events) {
action_tx.send(action.clone())?;
}
}
};
},
_ => {},
}
}
}
while let Ok(action) = action_rx.try_recv() {
if action != Action::Tick && action != Action::Render {
log::debug!("{action:?}");
}
match action {
Action::Tick => {
self.last_tick_key_events.drain(..);
},
Action::Quit if self.state.input_mode == InputMode::Normal => self.should_quit = true,
Action::Suspend => self.should_suspend = true,
Action::Resume => self.should_suspend = false,
Action::Resize(w, h) => {
tui.resize(Rect::new(0, 0, w, h))?;
tui.draw(|f| {
self.draw(f).unwrap_or_else(|err| {
action_tx.send(Action::Error(format!("Failed to draw: {:?}", err))).unwrap();
})
})?;
},
Action::Render => {
tui.draw(|f| {
self.draw(f).unwrap_or_else(|err| {
action_tx.send(Action::Error(format!("Failed to draw: {:?}", err))).unwrap();
})
})?;
},
Action::NewCall(ref operation_id) => {
if let Some(operation_item) = self.state.get_operation(operation_id.clone()) {
if let OperationItemType::Path = operation_item.r#type {
if let Some(page) = operation_item
.operation
.operation_id
.clone()
.and_then(|operation_id| self.history.remove(&operation_id))
{
self.pages[0].unfocus()?;
self.pages.insert(0, page);
self.pages[0].focus()?;
} else if let Ok(mut page) = Phone::new(operation_item.clone(), request_tx.clone()) {
self.pages[0].unfocus()?;
page.init(&self.state)?;
page.register_action_handler(action_tx.clone())?;
self.pages.insert(0, Box::new(page));
self.pages[0].focus()?;
}
}
}
action_tx.send(Action::CloseHistory).unwrap();
},
Action::HangUp(ref operation_id) => {
if self.pages.len() > 1 {
self.pages[0].unfocus()?;
let page = self.pages.remove(0);
self.pages[0].focus()?;
if let Some(operation_id) = operation_id {
self.history.insert(operation_id.clone(), page);
}
}
},
Action::History => {
let operation_ids = self
.state
.openapi_operations
.iter()
.filter(|operation_item| {
let op_id = operation_item.operation.operation_id.clone();
self.history.keys().any(|operation_id| op_id.eq(&Some(operation_id.clone())))
})
.collect::<Vec<_>>();
let history_popup = HistoryPane::new(operation_ids);
self.popup = Some(Box::new(history_popup));
},
Action::CloseHistory => {
if self.popup.is_some() {
self.popup = None;
}
},
_ => {},
}
if let Some(popup) = &mut self.popup {
if let Some(action) = popup.update(action.clone(), &mut self.state)? {
action_tx.send(action)?
};
} else if let Some(page) = self.pages.get_mut(self.active_page) {
if let Some(action) = page.update(action.clone(), &mut self.state)? {
action_tx.send(action)?
};
}
if let Some(action) = self.header.update(action.clone(), &mut self.state)? {
action_tx.send(action)?
};
if let Some(action) = self.footer.update(action.clone(), &mut self.state)? {
action_tx.send(action)?
};
}
while let Ok(request) = request_rx.try_recv() {
if let Ok(response) = reqwest::Client::new().execute(request.request).await {
self.state.responses.insert(
request.operation_id,
Response {
status: response.status(),
version: response.version(),
headers: response.headers().clone(),
content_length: response.content_length(),
body: response.text().await?.clone(),
},
);
}
}
if self.should_suspend {
tui.suspend()?;
action_tx.send(Action::Resume)?;
tui = tui::Tui::new()?;
tui.enter()?;
} else if self.should_quit {
tui.stop()?;
break;
}
}
tui.exit()?;
Ok(())
}
fn draw(&mut self, frame: &mut tui::Frame<'_>) -> Result<()> {
let vertical_layout =
Layout::vertical(vec![Constraint::Max(1), Constraint::Fill(1), Constraint::Max(1)]).split(frame.size());
self.header.draw(frame, vertical_layout[0], &self.state)?;
if let Some(page) = self.pages.get_mut(self.active_page) {
page.draw(frame, vertical_layout[1], &self.state)?;
};
if let Some(popup) = &mut self.popup {
let popup_vertical_layout =
Layout::vertical(vec![Constraint::Fill(1), popup.height_constraint(), Constraint::Fill(1)]).split(frame.size());
let popup_layout = Layout::horizontal(vec![Constraint::Fill(1), Constraint::Fill(1), Constraint::Fill(1)])
.split(popup_vertical_layout[1]);
popup.draw(frame, popup_layout[1], &self.state)?;
}
self.footer.draw(frame, vertical_layout[2], &self.state)?;
Ok(())
}
}