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better error handling

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This commit is contained in:
Thomas Eppers 2023-02-19 12:39:15 +01:00
parent 28ae313797
commit bd829f23ad
5 changed files with 222 additions and 194 deletions
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4
src/error.rs
View File

@ -25,4 +25,8 @@ pub enum Error {
/// error while handling requests
#[error("reqwest error: {0}")]
Reqwest(#[from] reqwest::Error),
/// error while sending to channel
#[error("sending to channel error: {0}")]
ChannelSendError(#[from] std::sync::mpsc::SendError<crate::ui::UiEvent>),
}

5
src/ui/mod.rs
View File

@ -6,6 +6,11 @@ use anyhow::Result;
use crate::widget::service_switcher;
use crate::Opt;
pub enum UiEvent {
Input(termion::event::Key),
RefreshOnNewData,
}
pub fn create_ui(opt: &Opt) -> Result<()> {
let service_result = service_switcher::ServiceSwitcher::new(&opt.file);
match service_result {

92
src/ui/no_yaml_found.rs
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@ -8,11 +8,11 @@ use tui::Terminal;
use std::sync::mpsc;
use std::sync::{Arc, Mutex};
use std::{io, thread};
use super::UiEvent;
use crate::error::Error;
use crate::widget::async_tag_list::{self, TagList};
use crate::widget::info;
use crate::widget::repo_entry;
use crate::widget::{info, repo_entry};
use crate::Opt;
pub struct Ui {
@ -50,11 +50,6 @@ impl std::iter::Iterator for State {
}
}
pub enum UiEvent {
Input(Key),
RefreshOnNewData,
}
pub enum DeferredEvent {
Quit,
NewRepo(String),
@ -63,22 +58,21 @@ pub enum DeferredEvent {
}
impl Ui {
/// create a thread for catching input and send them to core loop
pub fn spawn_input_channel(sender: mpsc::Sender<UiEvent>) {
thread::spawn(move || loop {
let stdin = io::stdin();
/// catch input and send them to core loop
pub fn wait_for_input(sender: mpsc::Sender<UiEvent>) -> Result<(), Error> {
let stdin = std::io::stdin();
for c in stdin.keys() {
sender.send(UiEvent::Input(c.unwrap())).unwrap();
sender.send(UiEvent::Input(c.unwrap()))?;
}
});
Ok(())
}
#[tokio::main]
pub async fn work_requests(
ui: Arc<Mutex<Ui>>,
ui: &Arc<Mutex<Ui>>,
events: mpsc::Receiver<DeferredEvent>,
sender: mpsc::Sender<UiEvent>,
) {
) -> Result<(), Error> {
loop {
match events.recv() {
Ok(DeferredEvent::Quit) => break,
@ -86,7 +80,7 @@ impl Ui {
{
let mut ui = ui.lock().unwrap();
ui.tags = TagList::with_status("fetching new tags...");
sender.send(UiEvent::RefreshOnNewData).unwrap();
sender.send(UiEvent::RefreshOnNewData)?;
}
let list = async_tag_list::TagList::with_repo_name(name).await;
let mut ui = ui.lock().unwrap();
@ -102,7 +96,7 @@ impl Ui {
let mut ui = ui.lock().unwrap();
if ui.tags.at_end_of_list() {
ui.info.set_text("Fetching more tags...");
sender.send(UiEvent::RefreshOnNewData).unwrap();
sender.send(UiEvent::RefreshOnNewData)?;
(true, ui.tags.clone())
} else {
(false, ui.tags.clone())
@ -121,8 +115,9 @@ impl Ui {
ui.info.set_info(&e);
}
};
sender.send(UiEvent::RefreshOnNewData).unwrap();
sender.send(UiEvent::RefreshOnNewData)?;
}
Ok(())
}
pub fn run(opt: &Opt) -> Result<()> {
@ -142,16 +137,25 @@ impl Ui {
let ui_clone = ui.clone();
let sender2 = sender.clone();
std::thread::spawn(move || {
Self::work_requests(ui_clone, deferred_receiver, sender2);
if let Err(e) = Self::work_requests(&ui_clone, deferred_receiver, sender2) {
let mut ui = ui_clone.lock().unwrap();
ui.info.set_info(&e);
}
});
//setup tui
let stdout = io::stdout().into_raw_mode()?;
let stdout = std::io::stdout().into_raw_mode()?;
let backend = TermionBackend::new(stdout);
let mut terminal = Terminal::new(backend)?;
//setup input thread
Self::spawn_input_channel(sender);
let ui_clone = ui.clone();
std::thread::spawn(move || {
if let Err(e) = Self::wait_for_input(sender) {
let mut ui = ui_clone.lock().unwrap();
ui.info.set_info(&e);
}
});
//core interaction loop
'core: loop {
@ -190,48 +194,52 @@ impl Ui {
let event = receiver.recv();
let mut ui_data = ui.lock().unwrap();
match event {
Ok(UiEvent::Input(Key::Ctrl('q'))) | Ok(UiEvent::Input(Key::Ctrl('c'))) => {
Ok(UiEvent::Input(key)) => match key {
//quit without saving
Key::Ctrl('q') | Key::Ctrl('c') => {
deferred_sender.send(DeferredEvent::Quit)?;
break 'core; //quit program without saving
}
Ok(UiEvent::Input(Key::Char('\t'))) => {
//cycle widgets
Key::Char('\t') => {
ui_data.state.next();
let state = ui_data.state.clone();
ui_data.info.set_info(&state);
}
Ok(UiEvent::Input(Key::Ctrl('r'))) => {
//refresh repository
Key::Ctrl('r') => {
ui_data.repo.confirm();
deferred_sender
.send(DeferredEvent::NewRepo(ui_data.repo.get()))
.unwrap();
deferred_sender.send(DeferredEvent::NewRepo(ui_data.repo.get()))?;
}
Ok(UiEvent::Input(Key::Char('\n'))) if ui_data.state == State::EditRepo => {
//enter on selecting tags
Key::Char('\n') if ui_data.state == State::EditRepo => {
ui_data.repo.confirm();
deferred_sender
.send(DeferredEvent::NewRepo(ui_data.repo.get()))
.unwrap();
deferred_sender.send(DeferredEvent::NewRepo(ui_data.repo.get()))?;
}
Ok(UiEvent::Input(Key::Backspace)) if ui_data.state == State::EditRepo => {
//delete last char on repository
Key::Backspace if ui_data.state == State::EditRepo => {
ui_data.info.set_text("Editing Repository");
ui_data.repo.handle_input(Key::Backspace);
}
Ok(UiEvent::Input(Key::Up)) | Ok(UiEvent::Input(Key::Char('k')))
if ui_data.state == State::SelectTag =>
{
deferred_sender.send(DeferredEvent::TagPrevious).unwrap();
//moving up on selecting tags
Key::Up | Key::Char('k') if ui_data.state == State::SelectTag => {
deferred_sender.send(DeferredEvent::TagPrevious)?;
ui_data.details = ui_data.tags.create_detail_widget();
}
Ok(UiEvent::Input(Key::Down)) | Ok(UiEvent::Input(Key::Char('j')))
if ui_data.state == State::SelectTag =>
{
deferred_sender.send(DeferredEvent::TagNext).unwrap();
//moving down on selecting tags
Key::Down | Key::Char('j') if ui_data.state == State::SelectTag => {
deferred_sender.send(DeferredEvent::TagNext)?;
ui_data.details = ui_data.tags.create_detail_widget();
}
Ok(UiEvent::Input(Key::Char(key))) if ui_data.state == State::EditRepo => {
//append character on editing repository
Key::Char(key) if ui_data.state == State::EditRepo => {
ui_data.info.set_text("Editing Repository");
ui_data.repo.handle_input(Key::Char(key));
}
//ignore all else input
_ => {}
},
Ok(UiEvent::RefreshOnNewData) | Err(_) => {}
}
}

98
src/ui/yaml_found.rs
View File

@ -8,13 +8,12 @@ use tui::Terminal;
use std::sync::mpsc;
use std::sync::{Arc, Mutex};
use std::{io, thread};
use super::UiEvent;
use crate::error::Error;
use crate::repository;
use crate::widget::async_tag_list::{self, TagList};
use crate::widget::info;
use crate::widget::repo_entry;
use crate::widget::service_switcher;
use crate::widget::{info, repo_entry, service_switcher};
use crate::Opt;
pub struct Ui {
@ -56,11 +55,6 @@ impl std::iter::Iterator for State {
}
}
pub enum UiEvent {
Input(Key),
RefreshOnNewData,
}
pub enum DeferredEvent {
Quit,
NewRepo(String),
@ -69,22 +63,21 @@ pub enum DeferredEvent {
}
impl Ui {
/// create a thread for catching input and send them to core loop
pub fn spawn_input_channel(sender: mpsc::Sender<UiEvent>) {
thread::spawn(move || loop {
let stdin = io::stdin();
/// catch input and send them to core loop
pub fn wait_for_input(sender: mpsc::Sender<UiEvent>) -> Result<(), Error> {
let stdin = std::io::stdin();
for c in stdin.keys() {
sender.send(UiEvent::Input(c.unwrap())).unwrap();
sender.send(UiEvent::Input(c.unwrap()))?;
}
});
Ok(())
}
#[tokio::main]
pub async fn work_requests(
ui: Arc<Mutex<Ui>>,
ui: &Arc<Mutex<Ui>>,
events: mpsc::Receiver<DeferredEvent>,
sender: mpsc::Sender<UiEvent>,
) {
) -> Result<(), Error> {
loop {
match events.recv() {
Ok(DeferredEvent::Quit) => break,
@ -92,7 +85,7 @@ impl Ui {
{
let mut ui = ui.lock().unwrap();
ui.tags = TagList::with_status("Fetching new tags...");
sender.send(UiEvent::RefreshOnNewData).unwrap();
sender.send(UiEvent::RefreshOnNewData)?;
}
let list = TagList::with_repo_name(name).await;
let mut ui = ui.lock().unwrap();
@ -108,7 +101,7 @@ impl Ui {
let mut ui = ui.lock().unwrap();
if ui.tags.at_end_of_list() {
ui.info.set_text("Fetching more tags...");
sender.send(UiEvent::RefreshOnNewData).unwrap();
sender.send(UiEvent::RefreshOnNewData)?;
(true, ui.tags.clone())
} else {
(false, ui.tags.clone())
@ -127,8 +120,9 @@ impl Ui {
ui.info.set_info(&e);
}
};
sender.send(UiEvent::RefreshOnNewData).unwrap();
sender.send(UiEvent::RefreshOnNewData)?;
}
Ok(())
}
pub fn run(opt: &Opt, switcher: service_switcher::ServiceSwitcher) -> Result<()> {
@ -149,16 +143,25 @@ impl Ui {
let ui_clone = ui.clone();
let sender2 = sender.clone();
std::thread::spawn(move || {
Self::work_requests(ui_clone, deferred_receiver, sender2);
if let Err(e) = Self::work_requests(&ui_clone, deferred_receiver, sender2) {
let mut ui = ui_clone.lock().unwrap();
ui.info.set_info(&e);
}
});
//setup tui
let stdout = io::stdout().into_raw_mode()?;
let stdout = std::io::stdout().into_raw_mode()?;
let backend = TermionBackend::new(stdout);
let mut terminal = Terminal::new(backend)?;
//setup input thread
Self::spawn_input_channel(sender);
let ui_clone = ui.clone();
std::thread::spawn(move || {
if let Err(e) = Self::wait_for_input(sender) {
let mut ui = ui_clone.lock().unwrap();
ui.info.set_info(&e);
}
});
//core interaction loop
'core: loop {
@ -208,29 +211,36 @@ impl Ui {
let event = receiver.recv();
let mut ui_data = ui.lock().unwrap();
match event {
Ok(UiEvent::Input(Key::Ctrl('q'))) | Ok(UiEvent::Input(Key::Ctrl('c'))) => {
//handling input
Ok(UiEvent::Input(key)) => match key {
//quit without saving
Key::Ctrl('q') | Key::Ctrl('c') => {
deferred_sender.send(DeferredEvent::Quit)?;
break 'core; //quit program without saving
}
Ok(UiEvent::Input(Key::Char('\t'))) => {
//cycle widgets
Key::Char('\t') => {
ui_data.state.next();
let state = ui_data.state.clone();
ui_data.info.set_info(&state);
}
Ok(UiEvent::Input(Key::Ctrl('s'))) => match ui_data.services.save() {
//save file
Key::Ctrl('s') => match ui_data.services.save() {
Err(e) => {
ui_data.info.set_info(&format!("{}", e));
continue;
}
Ok(_) => ui_data.info.set_text("Saved compose file"),
},
Ok(UiEvent::Input(Key::Ctrl('r'))) => {
//refresh repository
Key::Ctrl('r') => {
ui_data.repo.confirm();
deferred_sender
.send(DeferredEvent::NewRepo(ui_data.repo.get()))
.unwrap();
}
Ok(UiEvent::Input(Key::Char('\n'))) if ui_data.state == State::SelectTag => {
//enter on selecting tags
Key::Char('\n') if ui_data.state == State::SelectTag => {
let mut repo = ui_data.repo.get();
let tag = match ui_data.tags.get_selected() {
Err(async_tag_list::Error::NextPageSelected) => continue,
@ -244,17 +254,20 @@ impl Ui {
repo.push_str(&tag);
ui_data.services.change_current_line(repo);
}
Ok(UiEvent::Input(Key::Char('\n'))) if ui_data.state == State::EditRepo => {
//enter on editing repository
Key::Char('\n') if ui_data.state == State::EditRepo => {
ui_data.repo.confirm();
deferred_sender
.send(DeferredEvent::NewRepo(ui_data.repo.get()))
.unwrap();
}
Ok(UiEvent::Input(Key::Backspace)) if ui_data.state == State::EditRepo => {
//delete last char on repository
Key::Backspace if ui_data.state == State::EditRepo => {
ui_data.info.set_text("Editing Repository");
ui_data.repo.handle_input(Key::Backspace);
}
Ok(UiEvent::Input(Key::Up)) | Ok(UiEvent::Input(Key::Char('k')))
//moving up on selecting service
Key::Up | Key::Char('k')
if ui_data.state == State::SelectService
&& ui_data.services.find_previous_match() =>
{
@ -275,7 +288,8 @@ impl Ui {
}
}
}
Ok(UiEvent::Input(Key::Down)) | Ok(UiEvent::Input(Key::Char('j')))
//moving down on selecting service
Key::Down | Key::Char('j')
if ui_data.state == State::SelectService
&& ui_data.services.find_next_match() =>
{
@ -296,23 +310,23 @@ impl Ui {
}
}
}
Ok(UiEvent::Input(Key::Up)) | Ok(UiEvent::Input(Key::Char('k')))
if ui_data.state == State::SelectTag =>
{
//moving up on selecting tags
Key::Up | Key::Char('k') if ui_data.state == State::SelectTag => {
deferred_sender.send(DeferredEvent::TagPrevious).unwrap();
}
Ok(UiEvent::Input(Key::Down)) | Ok(UiEvent::Input(Key::Char('j')))
if ui_data.state == State::SelectTag =>
{
//moving down on selecting tags
Key::Down | Key::Char('j') if ui_data.state == State::SelectTag => {
deferred_sender.send(DeferredEvent::TagNext).unwrap();
}
Ok(UiEvent::Input(Key::Char(key))) if ui_data.state == State::EditRepo => {
//append character on editing repository
Key::Char(key) if ui_data.state == State::EditRepo => {
ui_data.info.set_text("Editing Repository");
ui_data.repo.handle_input(Key::Char(key));
}
Ok(UiEvent::Input(_)) => {}
Ok(UiEvent::RefreshOnNewData) => {}
Err(_) => {}
//ignore all else input
_ => {}
},
Ok(UiEvent::RefreshOnNewData) | Err(_) => {}
}
}

7
src/widget/async_tag_list.rs
View File

@ -160,17 +160,14 @@ impl TagList {
let next_page = self.lines.pop();
//add tags
match &self.tags {
None => (),
Some(tags) => {
if let Some(tags) = &self.tags {
for image in tags.get_tags().iter() {
self.lines.push(Line::Image(image.clone()));
}
}
}
//readd next page item
if let Some(_) = self.tags.as_ref().unwrap().next_page().await {
if (self.tags.as_ref().unwrap().next_page().await).is_some() {
self.lines.push(next_page.unwrap());
}
}