src/data_provider/card_stats.rs

@@ -81,3 +81,13 @@ pub fn delete_stat(stat: &CardStatistics, connection: &Connection) {
         .execute("DELETE FROM card_stats WHERE id = ?1", (&stat.id,))
         .unwrap();
 }
+
+pub fn delete_stats(stat: &[CardStatistics], connection: &Connection) {
+    if stat.is_empty() {
+        return;
+    }
+    let ids = stat.iter().map(|s| s.id.into()).collect::<Vec<String>>().join(", ");
+    connection
+        .execute(format!("DELETE FROM card_stats WHERE id in {ids}").as_str(), ())
+        .unwrap();
+}

src/lang.rs

@@ -26,7 +26,7 @@ const MAX_HISTORY_LEN: usize = 20;
 const MAX_HISTORY_LEN_PART: f32 = 0.33;
 const MAX_SCORE: u8 = 25;
 const FADE_PER_DAY: f32 = 0.95;
-#[derive(Clone, PartialEq, Eq, Debug, Hash, Copy)]
+#[derive(Clone, PartialEq, Eq, Debug, Hash, Copy, Ord, PartialOrd)]
 pub struct Id(u32);
 pub const INVALID_ID: Id = Id(0);
 impl FromStr for Id {
@@ -69,6 +69,12 @@ impl ToSql for Id {
     }
 }
 
+impl From<Id> for String {
+    fn from(value: Id) -> Self {
+        value.0.to_string()
+    }
+}
+
 impl Id {
     pub(crate) fn is_valid(self) -> bool {
         self.0 != 0
@@ -357,17 +363,12 @@ impl DeckData {
         let state_for = state.clone();
         let state_locked = state.lock();
 
-        let mut current_set = load_stats_of_deck(settings, &state_locked.connection);
-        let last_list: Vec<_> = settings
-            .get_word_list(&state_locked)
-            .iter()
-            .map(|w| &state_locked.dictionary[*w])
-            .cloned()
-            .collect();
+        let stats = load_stats_of_deck(settings, &state_locked.connection);
+        let words = stats.iter().map(|stat| state_locked.dictionary.binary_search_by_key(&stat.word_id, |w| w.id).unwrap()).map(|index| &state_locked.dictionary[index]).cloned().collect();
 
         Self {
-            set: current_set,
-            words: last_list,
+            set: stats,
+            words,
             current_word_index: None,
             state: state_for,
             order_module: match settings.open_mode {

src/repetition_settings.rs

@@ -1,16 +1,17 @@
-use crate::AppState;
 use crate::data_provider::card_sets::{delete_set, update_deck};
+use crate::data_provider::card_stats::{delete_stats, load_stats_of_deck};
 use crate::lang::DeckSettings;
 use crate::navigation::Page::PreviousPage;
 use crate::navigation::{NavigatedPage, Page, RootMessage};
 use crate::repetition_settings::RepetitionSettingsMessage::*;
 use crate::styling::*;
+use crate::AppState;
 use iced::widget::button::danger;
 use iced::widget::text_input::Catalog;
 use iced::widget::{button, column, row, scrollable, space, text, text_input};
 use iced::{Element, Task};
 use iced_core::Length::Fill;
-use iced_core::{Padding, Theme, color};
+use iced_core::{color, Padding, Theme};
 use parking_lot::Mutex;
 use std::sync::Arc;
 use std::time::Duration;
@@ -21,6 +22,7 @@ pub struct RepetitionSettingsState {
     state: Arc<Mutex<AppState>>,
     real_delete: bool,
     correct_filter: bool,
+    filter_changed: bool,
 }
 
 impl RepetitionSettingsState {
@@ -38,6 +40,7 @@ impl RepetitionSettingsState {
             state,
             real_delete: false,
             correct_filter: filter_state,
+            filter_changed: false,
         }
     }
 }
@@ -58,6 +61,9 @@ impl NavigatedPage<RepetitionSettingsMessage> for RepetitionSettingsState {
             Save => {
                 let mut state = self.state.lock();
                 update_deck(&mut self.set, &state.connection);
+                if self.filter_changed {
+                    update_deck_stats(&self.set, &state);
+                }
                 state.decks[self.index] = self.set.clone();
             }
             SetName(new) => {
@@ -72,6 +78,7 @@ impl NavigatedPage<RepetitionSettingsMessage> for RepetitionSettingsState {
             SetFilter(new) => {
                 self.set.filter = new;
                 self.correct_filter = self.set.check_filter();
+                self.filter_changed = true;
             }
             TryFilter => {
                 let state = self.state.lock();
@@ -163,6 +170,19 @@ impl NavigatedPage<RepetitionSettingsMessage> for RepetitionSettingsState {
     }
 }
 
+fn update_deck_stats(deck: &DeckSettings, state: &AppState) {
+    let mut db_stats = load_stats_of_deck(deck, &state.connection);
+    let filtered_words = deck.get_word_list(state);
+    filtered_words.iter().for_each(|word| {
+        let word_id = state.dictionary[*word].id;
+        if let Some(index) = db_stats.iter().position(|stat| stat.word_id == word_id) {
+            db_stats.remove(index);
+        }
+    });
+
+    delete_stats(db_stats.as_slice(), &state.connection);
+}
+
 impl RepetitionSettingsState {
     fn count_view(&self, set: &DeckSettings) -> Element<'_, RepetitionSettingsMessage> {
         if let Some(count) = set.count {

src/repetitions.rs

@@ -87,6 +87,10 @@ impl NavigatedPage<RepetitionsMessage> for RepetitionsState {
                 drop(state);
                 self.decks.remove(index);
                 self.clear_selection();
+            } else {
+                self.decks[self.selected_deck_index.unwrap()].general_settings = state.decks[index].clone();
+                drop(state);
+                self.fill_deck_word_indices();
             }
         } else {
             drop(state);
@@ -138,16 +142,7 @@ impl NavigatedPage<RepetitionsMessage> for RepetitionsState {
                 self.select_deck(index);
                 let deck = self.selected_deck().unwrap();
                 if deck.existing_words_indices.is_none() {
-                    let state = self.state.lock();
-                    let added: Vec<_> = load_stats_of_deck(deck, &state.connection)
-                        .iter()
-                        .map(|c| self.word_id_index_map[&c.word_id])
-                        .collect();
-                    let total = deck.get_word_list(&state);
-                    drop(state);
-                    let deck = self.selected_deck_mut().unwrap();
-                    deck.existing_words_indices = Some(added);
-                    deck.available_words_indices = Some(total);
+                    self.fill_deck_word_indices();
                 }
             }
             Save => {
@@ -618,6 +613,20 @@ impl RepetitionsState {
     fn clear_selection(&mut self) {
         self.selected_deck_index = None;
     }
+
+    fn fill_deck_word_indices(&mut self) {
+        let state = &self.state.lock();
+        let mut deck = self.selected_deck().unwrap().clone();
+        let added: Vec<_> = load_stats_of_deck(&deck, &state.connection)
+            .iter()
+            .map(|c| self.word_id_index_map[&c.word_id])
+            .collect();
+        let total = deck.get_word_list(state);
+        deck.existing_words_indices = Some(added);
+        deck.available_words_indices = Some(total);
+        self.decks[self.selected_deck_index.unwrap()] = deck;
+
+    }
 }
 #[derive(Clone)]
 pub enum RepetitionsMessage {
@@ -648,6 +657,7 @@ struct DeckViewData {
     append_mode: AppendMode,
     index: Option<usize>,
 }
+
 impl Deref for DeckViewData {
     type Target = DeckSettings;