Properly shuffle card presentation from card insertion

Instead of messing with deck_read, subtracting a random amount of
seconds to it, pick a random card instead of the first ready.

This permits to remove the dependency to the rand crate.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/gui/gui.rs b/src/gui/gui.rs
index 94e15d8..2f41a0b 100644
--- a/src/gui/gui.rs
+++ b/src/gui/gui.rs
@@ -20,7 +20,7 @@ pub fn start(conn: &Connection, deck_name: &String) -> Result<()> {
         let now = time::now()?;
         let title = title(deck_name, answers, db::count_available(&conn).unwrap_or(0));
 
-        match db::next_ready(&conn) {
+        match db::pick_random_ready(&conn) {
             Some(card) if card.ready <= now => {
                 let difficulty = question::ask(&mut terminal, &events, &title, &card)?;
                 answers += 1;