From 87e12144440b9525cbabdca5a9f79038a9a0f0e0 Mon Sep 17 00:00:00 2001
From: Joris
Date: Sat, 12 Feb 2022 17:21:29 +0100
Subject: Show current progress after the deck name

---
 README.md           |  3 +--
 src/db/db.rs        |  9 +++++++++
 src/gui/gui.rs      | 20 +++++++++++++++++---
 src/gui/message.rs  |  4 ++--
 src/gui/question.rs |  4 ++--
 5 files changed, 31 insertions(+), 9 deletions(-)

diff --git a/README.md b/README.md
index bf0bed8..363a67d 100644
--- a/README.md
+++ b/README.md
@@ -23,8 +23,7 @@ Cards are created from a plain text `./deck` file:
 
 # TODO
 
-- Show current iteration and number of available cards in the session (Deck 3 / 15)
-- Look at last modification of the deck, and omit db sync if last sync was after
+- Look at last modification of the deck, and omit db sync if last sync was after (+ show a message when synchronizing the deck)
 - Fix crashes on zoom / changing size
 
 ## Maybe
diff --git a/src/db/db.rs b/src/db/db.rs
index 4c2d9a2..590f3ea 100644
--- a/src/db/db.rs
+++ b/src/db/db.rs
@@ -108,6 +108,15 @@ pub fn next_ready(conn: &Connection) -> Option<Card> {
     })
 }
 
+pub fn count_available(conn: &Connection) -> Option<i32> {
+    let now = time::now().ok()?;
+    let mut stmt = conn.prepare("SELECT COUNT(*) FROM cards WHERE ready <= ? AND deleted IS NULL").ok()?;
+
+    let mut rows = stmt.query([now]).ok()?;
+    let row = rows.next().ok()??;
+    row.get(0).ok()?
+}
+
 pub fn update(conn: &Connection, question: &String, state: &space_repetition::State) -> Result<()> {
     let now = time::now()?;
     let ready = now + state.get_interval_seconds();
diff --git a/src/gui/gui.rs b/src/gui/gui.rs
index 88333bb..94e15d8 100644
--- a/src/gui/gui.rs
+++ b/src/gui/gui.rs
@@ -14,12 +14,16 @@ pub fn start(conn: &Connection, deck_name: &String) -> Result<()> {
 
     let events = Events::new();
 
+    let mut answers = 0;
+
     loop {
         let now = time::now()?;
+        let title = title(deck_name, answers, db::count_available(&conn).unwrap_or(0));
 
         match db::next_ready(&conn) {
             Some(card) if card.ready <= now => {
-                let difficulty = question::ask(&mut terminal, &events, &card, deck_name)?;
+                let difficulty = question::ask(&mut terminal, &events, &title, &card)?;
+                answers += 1;
                 db::update(
                     &conn,
                     &card.question,
@@ -31,12 +35,12 @@ pub fn start(conn: &Connection, deck_name: &String) -> Result<()> {
                     "Prochaine carte disponible dans {}.",
                     time::pp_duration(card.ready - now)
                 );
-                let _ = message::show(&mut terminal, &events, &message, deck_name);
+                let _ = message::show(&mut terminal, &events, &title, &message);
                 break;
             }
             None => {
                 let message = format!("Aucune carte n’est disponible. Votre deck est-il vide ?");
-                let _ = message::show(&mut terminal, &events, &message, deck_name);
+                let _ = message::show(&mut terminal, &events, &title, &message);
                 break;
             }
         }
@@ -44,3 +48,13 @@ pub fn start(conn: &Connection, deck_name: &String) -> Result<()> {
 
     Ok(())
 }
+
+fn title(deck_name: &String, 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)
+    }
+}
diff --git a/src/gui/message.rs b/src/gui/message.rs
index 158416e..01d124e 100644
--- a/src/gui/message.rs
+++ b/src/gui/message.rs
@@ -12,8 +12,8 @@ use tui::{
 pub fn show<B: Backend>(
     terminal: &mut Terminal<B>,
     events: &Events,
+    title: &String,
     message: &String,
-    deck_name: &String,
 ) -> Result<()> {
     loop {
         terminal.draw(|f| {
@@ -23,7 +23,7 @@ pub fn show<B: Backend>(
                 .constraints([Constraint::Length(1), Constraint::Percentage(50)].as_ref())
                 .split(f.size());
 
-            let d1 = util::title(deck_name);
+            let d1 = util::title(title);
             f.render_widget(d1, chunks[0]);
 
             let message = Paragraph::new(util::center_vertically(chunks[1], &message))
diff --git a/src/gui/question.rs b/src/gui/question.rs
index e88d6e5..211bcda 100644
--- a/src/gui/question.rs
+++ b/src/gui/question.rs
@@ -28,8 +28,8 @@ enum Answer {
 pub fn ask<B: Backend>(
     terminal: &mut Terminal<B>,
     events: &Events,
+    title: &String,
     card: &Card,
-    deck_name: &String,
 ) -> Result<Difficulty> {
     let mut state = State {
         input: String::new(),
@@ -53,7 +53,7 @@ pub fn ask<B: Backend>(
                 )
                 .split(f.size());
 
-            let d1 = util::title(deck_name);
+            let d1 = util::title(title);
             f.render_widget(d1, chunks[0]);
 
             let question = Paragraph::new(util::center_vertically(chunks[1], &card.question))
-- 
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