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-rw-r--r--src/gui/mod.rs95
1 files changed, 94 insertions, 1 deletions
diff --git a/src/gui/mod.rs b/src/gui/mod.rs
index f351eba..92cd943 100644
--- a/src/gui/mod.rs
+++ b/src/gui/mod.rs
@@ -1,4 +1,97 @@
-pub mod gui;
pub mod message;
pub mod question;
pub mod util;
+
+use crate::deck;
+use crate::util::time;
+use crate::{db, space_repetition, util::event::Events};
+use anyhow::Result;
+use rusqlite::Connection;
+use std::{fs, io, time::Duration};
+use termion::{raw::IntoRawMode, raw::RawTerminal, screen::AlternateScreen};
+use tui::{backend::TermionBackend, Terminal};
+
+type Term = Terminal<TermionBackend<AlternateScreen<RawTerminal<io::Stdout>>>>;
+
+pub fn terminal() -> Result<Term> {
+ let stdout = io::stdout().into_raw_mode()?;
+ let stdout = AlternateScreen::from(stdout);
+ let backend = TermionBackend::new(stdout);
+ Ok(Terminal::new(backend)?)
+}
+
+pub fn synchronize(
+ conn: &Connection,
+ term: &mut Term,
+ events: &Events,
+ deck_path: &str,
+ deck_name: &str,
+) -> Result<()> {
+ let last_modified = time::seconds_since_unix_epoch_of(fs::metadata(deck_path)?.modified()?)?;
+ let last_deck_read = db::last_deck_read(conn);
+ let must_synchronize = last_deck_read.map(|r| r < last_modified).unwrap_or(true);
+
+ if must_synchronize {
+ let _ = message::show(term, events, deck_name, "Synchronization du deck…", false);
+ time::wait_at_least(
+ || db::synchronize(conn, deck::read(deck_path)?),
+ Duration::from_secs(1),
+ )?;
+ }
+
+ Ok(())
+}
+
+pub fn start(conn: &Connection, term: &mut Term, events: &Events, deck_name: &str) -> Result<()> {
+ let mut answers = 0;
+
+ loop {
+ let now = time::seconds_since_unix_epoch()?;
+ let title = title(deck_name, answers, db::count_available(conn).unwrap_or(0));
+
+ match db::pick_random_ready(conn) {
+ Some(card) => {
+ let difficulty = question::ask(term, events, &title, &card)?;
+ answers += 1;
+ db::update(
+ conn,
+ &card.question,
+ &space_repetition::update(card.state, difficulty),
+ )?;
+ }
+ None => {
+ let message = match db::next_ready(conn) {
+ Some(ready) => format!(
+ "Prochaine carte disponible dans {}.",
+ time::pp_duration(ready - now)
+ ),
+ None => "Aucune carte n’est disponible. Votre deck est-il vide ?".to_string(),
+ };
+ let _ = message::show(term, events, &title, &message, true);
+ break;
+ }
+ }
+ }
+
+ Ok(())
+}
+
+fn title(deck_name: &str, answers: i32, available_cards: i32) -> String {
+ if answers == 0 && available_cards == 0 {
+ deck_name.to_string()
+ } else if available_cards == 0 {
+ format!(
+ "{} ({} / {})",
+ deck_name,
+ answers,
+ answers + available_cards
+ )
+ } else {
+ format!(
+ "{} ({} / {})",
+ deck_name,
+ answers + 1,
+ answers + available_cards
+ )
+ }
+}