Speed up deck synchronization

Apply changes for what has been inserted, updated, removed.

Also use transactions to speed up multi-writing.

1 files changed, 6 insertions, 4 deletions

diff --git a/src/gui/question.rs b/src/gui/question.rs
index 71c3ea2..2aa6e65 100644
--- a/src/gui/question.rs
+++ b/src/gui/question.rs
@@ -1,6 +1,6 @@
 use crate::{
     gui::util,
-    model::{card::Card, difficulty, difficulty::Difficulty},
+    model::{difficulty, difficulty::Difficulty, Card},
     util::event::{Event, Events},
     util::serialization,
 };
@@ -150,7 +150,9 @@ pub fn ask<B: Backend>(
                     Key::Char(c) => {
                         state.input.push(c);
                         if is_correct(&state.input, &card.responses) {
-                            state.answer = Answer::Difficulty { difficulty: Difficulty::Good }
+                            state.answer = Answer::Difficulty {
+                                difficulty: Difficulty::Good,
+                            }
                         }
                     }
                     Key::Backspace => {
@@ -161,12 +163,12 @@ pub fn ask<B: Backend>(
                     }
                     Key::Ctrl('w') => {
                         let mut words = state.input.split_whitespace().collect::<Vec<&str>>();
-                        if words.len() > 0 {
+                        if !words.is_empty() {
                             words.truncate(words.len() - 1);
                             state.input = format!(
                                 "{}{}",
                                 words.join(" "),
-                                if words.len() > 0 { " " } else { "" }
+                                if !words.is_empty() { " " } else { "" }
                             );
                         }
                     }