From 3661173bb012296b1b6048f5b857801611c9e58a Mon Sep 17 00:00:00 2001
From: Mikhail Mitrofanov <mmm606@inbox.ru>
Date: Thu, 20 Aug 2026 00:42:06 +0300
Subject: [PATCH] Final code cleanup

---
 src/lang.rs       | 92 +++++++++++++++++++++++------------------------
 src/main.rs       |  1 +
 src/navigation.rs |  2 +-
 3 files changed, 47 insertions(+), 48 deletions(-)

diff --git a/src/lang.rs b/src/lang.rs
index 5d38442..921b9ca 100644
--- a/src/lang.rs
+++ b/src/lang.rs
@@ -1,9 +1,10 @@
-use crate::AppState;
 use crate::data_provider::card_stats::{delete_stat, load_stats_of_deck, update_stat_score};
-use crate::data_provider::history::{HistoryItem, push_note};
+use crate::data_provider::history::{push_note, HistoryItem};
+use crate::AppState;
 use chrono::{DateTime, Utc};
-use rand::distr::Distribution;
+use parking_lot::Mutex;
 use rand::distr::weighted::WeightedIndex;
+use rand::distr::Distribution;
 use rand::prelude::SliceRandom;
 use rand::rng;
 use rand::rngs::ThreadRng;
@@ -11,15 +12,14 @@ use rayon::iter::IndexedParallelIterator;
 use rayon::iter::IntoParallelRefIterator;
 use rayon::iter::ParallelIterator;
 use rhai::{Engine, Scope};
-use rusqlite::ToSql;
 use rusqlite::types::{FromSql, FromSqlError, FromSqlResult, ToSqlOutput, ValueRef};
+use rusqlite::ToSql;
 use std::cmp::PartialEq;
 use std::collections::HashMap;
 use std::fmt::{Display, Formatter};
 use std::num::ParseIntError;
 use std::str::FromStr;
 use std::sync::Arc;
-use parking_lot::Mutex;
 use std::time::Instant;
 
 const MAX_HISTORY_LEN: usize = 20;
@@ -668,49 +668,47 @@ impl DeckSettings {
         let engine = Engine::new();
 
         let ast = engine.compile(&self.filter);
-        if ast.is_err() {
-            return list;
+        if let Ok(ast) = ast {
+            let groups = &state.word_groups;
+
+            list = state
+                .dictionary
+                .par_iter()
+                .enumerate()
+                .filter(|(_, word)| {
+                    let mut more = rhai::Map::new();
+                    for iced in &word.additional {
+                        more.insert(iced.0.clone().into(), iced.1.clone().into());
+                    }
+                    let mut scope = Scope::new();
+                    scope
+                        .push_constant("id", word.id.0)
+                        .push_constant("key", word.key.clone())
+                        .push_constant("value", word.value.clone())
+                        .push_constant("tags", word.tags.clone())
+                        .push_constant("more", more)
+                        .push_constant(
+                            "group",
+                            groups
+                                .iter()
+                                .find(|g| g.id == word.group_id)
+                                .cloned()
+                                .unwrap()
+                                .name,
+                        );
+
+                    let result = engine.eval_ast_with_scope::<bool>(&mut scope, &ast);
+                    result.is_ok() && result.unwrap()
+                })
+                .map(|(index, _)| index)
+                .collect();
+
+            println!("Collecting available words is {:?}", time.elapsed());
+
+            list
+        } else {
+            list
         }
-
-        let ast = ast.unwrap();
-
-        let groups = &state.word_groups;
-
-        list = state
-            .dictionary
-            .par_iter()
-            .enumerate()
-            .filter(|(_, word)| {
-                let mut more = rhai::Map::new();
-                for iced in &word.additional {
-                    more.insert(iced.0.clone().into(), iced.1.clone().into());
-                }
-                let mut scope = Scope::new();
-                scope
-                    .push_constant("id", word.id.0)
-                    .push_constant("key", word.key.clone())
-                    .push_constant("value", word.value.clone())
-                    .push_constant("tags", word.tags.clone())
-                    .push_constant("more", more)
-                    .push_constant(
-                        "group",
-                        groups
-                            .iter()
-                            .find(|g| g.id == word.group_id)
-                            .cloned()
-                            .unwrap()
-                            .name,
-                    );
-
-                let result = engine.eval_ast_with_scope::<bool>(&mut scope, &ast);
-                result.is_ok() && result.unwrap()
-            })
-            .map(|(index, _)| index)
-            .collect();
-
-        println!("Collecting available words is {:?}", time.elapsed());
-
-        list
     }
     pub fn require_speech(&self) -> bool {
         self.forward == "speech" || self.backward == "speech"
diff --git a/src/main.rs b/src/main.rs
index e9706c1..d04e06a 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -56,6 +56,7 @@ fn main() -> iced::Result {
         .run()
 }
 
+#[allow(unused_mut)]
 fn window_settings() -> window::Settings {
     let mut settings = window::Settings {
         position: Position::Centered,
diff --git a/src/navigation.rs b/src/navigation.rs
index 4709400..8f8ed1d 100644
--- a/src/navigation.rs
+++ b/src/navigation.rs
@@ -132,7 +132,7 @@ impl ScreenState {
                 Ok(v) => v,
             };
 
-            let id: Id = history_file_name[4..history_file_name.len() - 12]
+            let id = history_file_name[4..history_file_name.len() - 12]
                 .parse::<Id>()
                 .unwrap();