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Fix bug printing generated list to terminal #72

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Merged
drdo merged 1 commit into from
Aug 19, 2024
Merged

Fix bug printing generated list to terminal #72

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178 changes: 88 additions & 90 deletions src/main.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -115,98 +115,11 @@ fn main() -> anyhow::Result<()> {

sync_snapshots(&restic, &mut cache, args.parallelism)?;

let entries = cache.get_entries(None)?;
if entries.is_empty() {
eprintln!("The repository has no snapshots!");
return Ok(());
}

// UI
stderr().execute(EnterAlternateScreen)?;
defer! {
stderr().execute(LeaveAlternateScreen).unwrap();
}
enable_raw_mode()?;
defer! {
disable_raw_mode().unwrap();
}
let mut terminal = Terminal::new(CrosstermBackend::new(stderr()))?;
terminal.clear()?;

let mut app = {
let rect = terminal.size()?;
App::new(
rect,
None,
Utf8PathBuf::new(),
entries,
cache.get_marks().unwrap(),
vec![
"Enter".bold(),
":Details ".into(),
"m".bold(),
":Mark ".into(),
"u".bold(),
":Unmark ".into(),
"c".bold(),
":ClearAllMarks ".into(),
"g".bold(),
":Generate ".into(),
"q".bold(),
":Quit".into(),
],
)
};

let mut output_paths = vec![];

render(&mut terminal, &app)?;
'outer: loop {
let mut o_event = convert_event(crossterm::event::read()?);
while let Some(event) = o_event {
o_event = match app.update(event) {
Action::Nothing => None,
Action::Render => {
render(&mut terminal, &app)?;
None
}
Action::Quit => break 'outer,
Action::Generate(paths) => {
output_paths = paths;
break 'outer;
}
Action::GetParentEntries(path_id) => {
let parent_id = cache.get_parent_id(path_id)?
.expect("The UI requested a GetParentEntries with a path_id that does not exist");
let entries = cache.get_entries(parent_id)?;
Some(Event::Entries { path_id: parent_id, entries })
}
Action::GetEntries(path_id) => {
let entries = cache.get_entries(path_id)?;
Some(Event::Entries { path_id, entries })
}
Action::GetEntryDetails(path_id) =>
Some(Event::EntryDetails(cache.get_entry_details(path_id)?
.expect("The UI requested a GetEntryDetails with a path_id that does not exist"))),
Action::UpsertMark(path) => {
cache.upsert_mark(&path)?;
Some(Event::Marks(cache.get_marks()?))
}
Action::DeleteMark(loc) => {
cache.delete_mark(&loc).unwrap();
Some(Event::Marks(cache.get_marks()?))
}
Action::DeleteAllMarks => {
cache.delete_all_marks()?;
Some(Event::Marks(Vec::new()))
}
}
}
}

for line in output_paths {
let paths = ui(cache)?;
for line in paths {
println!("{}", escape_for_exclude(line.as_str()));
}

Ok(())
}

Expand Down Expand Up @@ -497,6 +410,91 @@ fn convert_event(event: crossterm::event::Event) -> Option<Event> {
}
}

fn ui(mut cache: Cache) -> anyhow::Result<Vec<Utf8PathBuf>> {
let entries = cache.get_entries(None)?;
if entries.is_empty() {
eprintln!("The repository is empty!");
return Ok(vec![]);
}

stderr().execute(EnterAlternateScreen)?;
defer! {
stderr().execute(LeaveAlternateScreen).unwrap();
}
enable_raw_mode()?;
defer! {
disable_raw_mode().unwrap();
}
let mut terminal = Terminal::new(CrosstermBackend::new(stderr()))?;
terminal.clear()?;

let mut app = {
let rect = terminal.size()?;
App::new(
rect,
None,
Utf8PathBuf::new(),
entries,
cache.get_marks()?,
vec![
"Enter".bold(),
":Details ".into(),
"m".bold(),
":Mark ".into(),
"u".bold(),
":Unmark ".into(),
"c".bold(),
":ClearAllMarks ".into(),
"g".bold(),
":Generate ".into(),
"q".bold(),
":Quit".into(),
],
)
};

render(&mut terminal, &app)?;
loop {
let mut o_event = convert_event(crossterm::event::read()?);
while let Some(event) = o_event {
o_event = match app.update(event) {
Action::Nothing => None,
Action::Render => {
render(&mut terminal, &app)?;
None
}
Action::Quit => return Ok(vec![]),
Action::Generate(paths) => return Ok(paths),
Action::GetParentEntries(path_id) => {
let parent_id = cache.get_parent_id(path_id)?
.expect("The UI requested a GetParentEntries with a path_id that does not exist");
let entries = cache.get_entries(parent_id)?;
Some(Event::Entries { path_id: parent_id, entries })
}
Action::GetEntries(path_id) => {
let entries = cache.get_entries(path_id)?;
Some(Event::Entries { path_id, entries })
}
Action::GetEntryDetails(path_id) =>
Some(Event::EntryDetails(cache.get_entry_details(path_id)?
.expect("The UI requested a GetEntryDetails with a path_id that does not exist"))),
Action::UpsertMark(path) => {
cache.upsert_mark(&path)?;
Some(Event::Marks(cache.get_marks()?))
}
Action::DeleteMark(loc) => {
cache.delete_mark(&loc).unwrap();
Some(Event::Marks(cache.get_marks()?))
}
Action::DeleteAllMarks => {
cache.delete_all_marks()?;
Some(Event::Marks(Vec::new()))
}
}
}
}
}

fn render<'a>(
terminal: &'a mut Terminal<impl Backend>,
app: &App,
Expand Down