Sync solved

sql/states.sql

@@ -5,7 +5,7 @@ create table states
     word_id     INTEGER           not null
         references words
             on delete cascade,
-    set_id      INTEGER              not null
+    deck_id      INTEGER              not null
         references decks
             on delete cascade,
     score       INTEGER default 1 not null,

src/app.rs

@@ -1,8 +1,11 @@
-use std::sync::Arc;
-use crate::data_provider::decks::{DeckRepository};
+use crate::data::repositories::Repository;
+use crate::data_provider::card_states::CardStateRepository;
+use crate::data_provider::decks::DeckRepository;
+use crate::data_provider::history::HistoryRepository;
 use crate::data_provider::settings::get_setting;
-use crate::data_provider::sqlite::{SqliteConnection};
-use crate::data_provider::words::{WordRepository};
+use crate::data_provider::sqlite::SqliteConnection;
+use crate::data_provider::word_groups::WordGroupRepository;
+use crate::data_provider::words::WordRepository;
 use crate::navigation::RootMessage::Keyboard;
 use crate::navigation::{AppSettings, RootMessage, ScreenState};
 use iced::{Subscription, keyboard, window};
@@ -13,10 +16,7 @@ use iced_core::{Font, Size, Theme};
 use log::info;
 use parking_lot::{Mutex, RwLock};
 use rusqlite::Connection;
-use crate::data::repositories::Repository;
-use crate::data_provider::card_states::CardStateRepository;
-use crate::data_provider::history::HistoryRepository;
-use crate::data_provider::word_groups::WordGroupRepository;
+use std::sync::Arc;
 
 pub const USER_FONT: Font = Font::with_name("Noto Sans JP");
 
@@ -100,10 +100,9 @@ pub fn fill_state(state: &mut AppState) {
     let setting = load_settings(&connection);
 
     state.word_groups.write().start().unwrap();
-        state.dictionary.write().start().unwrap();
+    state.dictionary.write().start().unwrap();
     state.decks.write().start().unwrap();
 
-
     state.sync_data = Arc::new(RwLock::new(setting))
 }
 

src/core/deck.rs

@@ -164,9 +164,9 @@ impl DeckData {
         self.set.len()
     }
 
-    pub fn list(deck: &DeckSettings, state: &AppState) -> Result<Vec<EntityHandle<WordData>>, NotificationData> {
+    pub fn list(deck: &DeckSettings, state: &AppState) -> Vec<EntityHandle<WordData>> {
         let time = Instant::now();
-        let mut list = vec![];
+        let list = vec![];
         let engine = Engine::new();
 
         let ast = engine.compile(&deck.filter);
@@ -201,9 +201,9 @@ impl DeckData {
             info!("Collecting available words is {:?}", time.elapsed());
             let handles =query.handles().collect();
             drop(query);
-            Ok(handles)
+            handles
         } else {
-            Ok(list)
+            list
         }
     }
 }

src/data/entities.rs

@@ -126,7 +126,7 @@ impl DeckSettings {
 pub struct CardState {
     pub id: Id,
     pub word_id: Id,
-    pub set_id: Id,
+    pub deck_id: Id,
     pub last_open: DateTime<Utc>,
     pub score: u8,
     pub fsrs_opened: NaiveDate,
@@ -200,6 +200,11 @@ impl<T> EntityHandle<T> {
             _phantom: Default::default(),
         }
     }
+
+    pub fn from_id(id: Id) -> Self {
+        Self::new(id, id.0 as usize, false)
+    }
+
     pub fn index(&self) -> usize {
         (self.index << 1 >> 1) as usize
     }

src/data_provider/card_states.rs

@@ -15,7 +15,7 @@ pub type CardStateRepositoryInner = DataRepositoryInner<CardState, SqliteDbLayer
 pub struct CardStatesQuerySet;
 impl TableAccessQuerySet<CardState> for CardStatesQuerySet {
     fn load() -> &'static str {
-        "SELECT id, word_id, set_id, score, last_opened, fsrs_opened, fsrs_memory, fsrs_open_day FROM states"
+        "SELECT id, word_id, deck_id, score, last_opened, fsrs_opened, fsrs_memory, fsrs_open_day FROM states"
     }
 
     fn save() -> &'static str {
@@ -23,7 +23,7 @@ impl TableAccessQuerySet<CardState> for CardStatesQuerySet {
     }
 
     fn add() -> &'static str {
-        "INSERT INTO states (word_id, set_id, score, last_opened, fsrs_opened, fsrs_memory, fsrs_open_day) VALUES (?1, ?2, ?3, ?4)"
+        "INSERT INTO states (word_id, deck_id, score, last_opened, fsrs_opened, fsrs_memory, fsrs_open_day) VALUES (?1, ?2, ?3, ?4)"
     }
 
     fn name() -> &'static str {
@@ -34,7 +34,7 @@ impl TableAccessQuerySet<CardState> for CardStatesQuerySet {
         Ok(CardState {
             id: row.get(0)?,
             word_id: row.get(1)?,
-            set_id: row.get(2)?,
+            deck_id: row.get(2)?,
             score: row.get(3)?,
             fsrs_opened: NaiveDate::from_epoch_days(row.get::<usize, i32>(5)?)
                 .expect("Incorrect date encoding"),
@@ -48,7 +48,7 @@ impl TableAccessQuerySet<CardState> for CardStatesQuerySet {
     fn insert_params(entity: &CardState) -> impl Params {
         (
             entity.word_id,
-            entity.set_id,
+            entity.deck_id,
             entity.score,
             entity.last_open.timestamp(),
             entity.fsrs_opened.to_epoch_days(),
@@ -73,7 +73,7 @@ pub fn load_stats_of_deck(
             Ok(CardState {
                 id: row.get(0)?,
                 word_id: row.get(1)?,
-                set_id: set.id,
+                deck_id: set.id,
                 score: row.get(2)?,
                 fsrs_opened: NaiveDate::from_epoch_days(row.get::<usize, i32>(4)?)
                     .expect("Incorrect date encoding"),
@@ -126,7 +126,7 @@ pub fn add_stat_list(stats: &mut [CardState], connection: &mut Connection) -> Ma
         for stat in stats.iter() {
             stmt.execute(params![
                 stat.word_id,
-                stat.set_id,
+                stat.deck_id,
                 stat.score,
                 stat.last_open.timestamp(),
                 stat.fsrs_opened.to_epoch_days(),

src/data_provider/sqlite.rs

@@ -110,4 +110,7 @@ impl SqliteConnection {
     pub fn finish(&mut self) {
         self.0 = None;
     }
+    pub fn restart(&mut self) {
+        self.0 = Some(default_connection());
+    }
 }

src/pages/repetition_settings.rs

@@ -86,12 +86,10 @@ impl NavigatedPage<RepetitionSettingsMessage> for RepetitionSettingsState {
                 self.correct_filter = self.settings_data.check_filter();
                 self.filter_changed = true;
             }
-            TryFilter => match DeckData::list(&self.settings_data, &self.state) {
-                Ok(list) => {
-                    self.filtered_words = Some(list.len() as u32);
-                }
-                Err(err) => return push_error_task!(err),
-            },
+            TryFilter => {
+                let list = DeckData::list(&self.settings_data, &self.state);
+                self.filtered_words = Some(list.len() as u32);
+            }
             DeleteSet => {
                 if !self.real_delete {
                     self.real_delete = true;
@@ -183,10 +181,10 @@ fn update_deck_stats(deck: &DeckSettings, state: &AppState) -> MaybeError {
     let states_repo = &mut state.card_states.write();
     let deck_id = deck.id;
     let mut db_stats = states_repo
-        .query_par(Arc::new(move |s| s.set_id == deck_id))
+        .query_par(Arc::new(move |s| s.deck_id == deck_id))
         .iter(&states_repo)
         .collect::<Vec<_>>();
-    let filtered_words = DeckData::list(deck, state)?
+    let filtered_words = DeckData::list(deck, state)
         .iter()
         .map(|w| w.id)
         .collect::<Vec<_>>();

src/pages/repetitions.rs

@@ -1,8 +1,9 @@
 use crate::app::AppState;
+use crate::core::deck::DeckData;
 use crate::core::srs::{AppendMode, OrderMode};
-use crate::data::Id;
-use crate::data::entities::{CardState, DeckSettings};
-use crate::data_provider::card_states::{add_stat_list, load_stats_of_deck};
+use crate::data::entities::{CardState, DeckSettings, EntityHandle, WordData};
+use crate::data::repositories::Repository;
+use crate::data_provider::card_states::add_stat_list;
 use crate::navigation::Page::{History, PreviousPage, Repetition, RepetitionSettings};
 use crate::navigation::{NavigatedPage, Page, RootMessage};
 use crate::notification::{MaybeError, NotificationRequest};
@@ -14,7 +15,7 @@ use crate::push_error;
 use crate::push_error_task;
 use crate::styling::*;
 use chrono::{Days, Local, Utc};
-use hashbrown::{HashMap, HashSet};
+use hashbrown::HashSet;
 pub use iced::widget::button::{Catalog, Style};
 use iced::widget::button::{Status, danger};
 use iced::widget::tooltip::Position::Top;
@@ -26,14 +27,12 @@ use iced::{Background, Border, Center, Color, Element, Fill, Length, Shadow, Tas
 use iced_core::Padding;
 use iced_core::border::Radius;
 use iced_core::svg::Handle;
-use parking_lot::Mutex;
 use std::ops::Deref;
 use std::sync::Arc;
 
 #[derive(Clone)]
 pub struct RepetitionsState {
-    word_id_index_map: HashMap<Id, usize>,
-    selected_deck_index: Option<usize>,
+    selected_deck_handle: Option<EntityHandle<DeckSettings>>,
     decks: Vec<DeckViewData>,
     state: AppState,
 }
@@ -48,11 +47,10 @@ impl NavigatedPage<RepetitionsMessage> for RepetitionsState {
                 self.state.clone(),
             )))
         } else if let GoToRepetition = message {
-            let clone = self.state.clone();
-
+            let mut state_clone = self.state.clone();
             let selected_set = self.selected_deck_mut().unwrap();
             if selected_set.append_mode == AppendMode::Full {
-                if let Err(_err) = Self::append_all_words(&mut clone.lock(), selected_set) {
+                if let Err(_err) = Self::append_all_words(&mut state_clone, selected_set) {
                     return None;
                 }
                 selected_set.existing_words_indices = selected_set.available_words_indices.clone();
@@ -65,7 +63,7 @@ impl NavigatedPage<RepetitionsMessage> for RepetitionsState {
             }
 
             if let Ok(repetition_state) =
-                RepetitionState::new(selected_set.general_settings.clone(), clone)
+                RepetitionState::new(selected_set.general_settings.clone(), self.state.clone())
             {
                 return Some(Repetition(repetition_state));
             }
@@ -73,7 +71,7 @@ impl NavigatedPage<RepetitionsMessage> for RepetitionsState {
             None
         } else if let GoToSettings = message {
             Some(RepetitionSettings(RepetitionSettingsState::new(
-                self.selected_deck().unwrap().index.unwrap(),
+                EntityHandle::from_id(self.selected_deck().unwrap().id),
                 self.state.clone(),
             )))
         } else {
@@ -81,23 +79,20 @@ impl NavigatedPage<RepetitionsMessage> for RepetitionsState {
         }
     }
     fn navigated(&mut self) {
-        if let Some(index) = self.selected_deck_index {
-            let state = self.state.lock();
-            if let Some(global_deck) = state.decks.get(index) {
-                if global_deck.id != self.selected_deck().unwrap().id {
-                    drop(state);
-                    self.decks.remove(index);
-                    self.clear_selection();
-                } else {
-                    self.decks[index].general_settings = state.decks[index].clone();
-                    drop(state);
-                    let _ = self.fill_deck_word_indices();
-                }
-            } else {
-                drop(state);
-                self.decks.remove(index);
-                self.clear_selection()
+        if let Some(index) = self.selected_deck_handle {
+            let decks = self.state.decks.read();
+            if let None = decks.get_static(index) {
+                let position = self
+                    .decks
+                    .iter()
+                    .position(|deck_view_data: &DeckViewData| deck_view_data.id == index.id)
+                    .unwrap();
+                self.decks.remove(position);
+                drop(decks);
+                self.clear_selection();
             }
+        } else {
+            let _ = self.fill_deck_word_indices();
         }
     }
     fn update(&mut self, message: RepetitionsMessage) -> Task<RootMessage> {
@@ -116,25 +111,27 @@ impl NavigatedPage<RepetitionsMessage> for RepetitionsState {
                     available_words_indices: Default::default(),
                     indices_ready: false,
                     append_mode: Default::default(),
-                    index: None,
+                    count: None,
+                    open_mode: OrderMode::Default,
                 });
             }
             DeleteSet => {
-                let index = self.selected_deck_index.unwrap();
+                let index = self.selected_deck_handle.unwrap();
                 self.clear_selection();
-                let deck = self.decks.remove(index);
-                if deck.id.is_valid() {
-                    let mut state = self.state.lock();
-                    state.decks.remove(index);
-                    self.decks = self
-                        .decks
-                        .clone()
-                        .into_iter()
-                        .map(|mut deck| {
-                            deck.index = state.decks.iter().position(|d| d.id == deck.id);
-                            deck
-                        })
-                        .collect();
+                let deck = self.decks.remove(
+                    self.decks
+                        .iter()
+                        .position(|dvd| dvd.id == index.id)
+                        .unwrap(),
+                );
+                if index.real() {
+                    let mut repo = self.state.decks.write();
+                    if let Err(err) = repo.delete(index) {
+                        return push_error_task!(err);
+                    }
+
+                    let index = self.decks.iter().position(|dvd| dvd.id == index.id);
+                    self.decks.remove(index.unwrap());
                 }
             }
             SetName(value) => {
@@ -152,20 +149,19 @@ impl NavigatedPage<RepetitionsMessage> for RepetitionsState {
             }
             Save => {
                 let mut deck = self.selected_deck().unwrap().clone();
-                let mut state = self.state.lock();
-                {
-                    if let Err(e) = update_deck(&mut deck.general_settings, &state.connection) {
-                        return Task::done(RootMessage::PushNotification(
-                            NotificationRequest::Error(e),
-                        ));
-                    }
-                    if let Some(index) = deck.index {
-                        state.decks[index] = deck.general_settings.clone();
-                    } else {
-                        state.decks.push(deck.general_settings.clone());
-                        deck.index = Some(state.decks.len() - 1);
-                        self.decks[self.selected_deck_index.unwrap()] = deck.clone();
-                    }
+                let handle = self.selected_deck_handle.unwrap();
+                let mut repo = self.state.decks.write();
+
+                repo.set_static(handle, *deck);
+                if let Err(err) = repo.save(&mut handle.clone()) {
+                    return push_error_task!(err);
+                }
+                if let Some(index) = deck.index {
+                    state.decks[index] = deck.general_settings.clone();
+                } else {
+                    state.decks.push(deck.general_settings.clone());
+                    deck.index = Some(state.decks.len() - 1);
+                    self.decks[self.selected_deck_handle.unwrap()] = deck.clone();
                 }
             }
             SetForward(value) => {
@@ -181,23 +177,21 @@ impl NavigatedPage<RepetitionsMessage> for RepetitionsState {
                 deck.general_settings.filter = value;
             }
             TryFilter => {
-                let state = self.state.lock();
                 let deck = self.selected_deck().unwrap();
-                let count = deck.get_word_list(&state).len();
-                drop(state);
+                let count = DeckData::list(&deck, &self.state).len();
                 let deck = self.selected_deck_mut().unwrap();
-                deck.general_settings.count = Some(count);
+                deck.count = Some(count);
             }
             SetOpenMode(mode) => {
                 let deck = self.selected_deck_mut().unwrap();
-                deck.general_settings.open_mode = mode;
+                deck.open_mode = mode;
             }
             SetAppendMode(mode) => {
                 let deck = self.selected_deck_mut().unwrap();
                 deck.append_mode = mode;
             }
             AppendWords(count) => {
-                let adding: Vec<usize>;
+                let adding: Vec<EntityHandle<WordData>>;
                 {
                     {
                         let deck = self.selected_deck().unwrap();
@@ -257,22 +251,9 @@ impl NavigatedPage<RepetitionsMessage> for RepetitionsState {
 
 impl RepetitionsState {
     pub(crate) fn new(state: AppState) -> RepetitionsState {
-        let state_ = state.lock();
-        let mut map = HashMap::with_capacity(state_.dictionary.len());
-
-        state_
-            .dictionary
-            .iter()
-            .enumerate()
-            .for_each(|(index, word)| {
-                map.insert(word.id, index);
-            });
-
-        let decks = Self::get_decks_from_state(&state_);
-        drop(state_);
+        let decks = Self::get_decks_from_state(&state);
         RepetitionsState {
-            word_id_index_map: map,
-            selected_deck_index: None,
+            selected_deck_handle: None,
             decks,
             state,
         }
@@ -281,6 +262,7 @@ impl RepetitionsState {
     fn get_decks_from_state(state: &AppState) -> Vec<DeckViewData> {
         state
             .decks
+            .read()
             .iter()
             .enumerate()
             .map(|(index, deck)| DeckViewData {
@@ -289,7 +271,9 @@ impl RepetitionsState {
                 available_words_indices: Default::default(),
                 indices_ready: false,
                 append_mode: Default::default(),
+                count: None,
                 index: Some(index),
+                open_mode: OrderMode::Default,
             })
             .collect()
     }
@@ -526,7 +510,7 @@ impl RepetitionsState {
         text!("{} слова добавлено из {}", now, available).into()
     }
     fn count_view(&self, deck: &DeckSettings) -> Element<'_, RepetitionsMessage> {
-        if let Some(count) = deck.count {
+        if let Some(count) = self.decks.iter().find() {
             return text!("Количество слов: {}", count).into();
         }
         space().into()
@@ -578,7 +562,7 @@ impl RepetitionsState {
     fn append_words(
         state: &mut AppState,
         deck: &DeckSettings,
-        indices: impl Iterator<Item = usize>,
+        indices: impl Iterator<Item = EntityHandle<WordData>>,
     ) -> MaybeError {
         let words = &state.dictionary;
         let stats = &mut indices
@@ -591,7 +575,7 @@ impl RepetitionsState {
                     score: 1,
                     fsrs_opened: Utc::now().date_naive(),
                     fsrs_memory: None,
-                    set_id: deck.id,
+                    deck_id: deck.id,
                     fsrs_open_day: Utc::now().date_naive(),
                 }
             })
@@ -605,32 +589,34 @@ impl RepetitionsState {
 
     fn select_deck(&mut self, index: usize) {
         if self.decks.get(index).is_some() {
-            self.selected_deck_index = Some(index);
+            self.selected_deck_handle = Some(index);
         }
     }
 
     fn selected_deck(&self) -> Option<&DeckViewData> {
-        self.decks.get(self.selected_deck_index?)
+        self.decks.get(self.selected_deck_handle?)
     }
     fn selected_deck_mut(&mut self) -> Option<&mut DeckViewData> {
-        self.decks.get_mut(self.selected_deck_index?)
+        self.decks.get_mut(self.selected_deck_handle?)
     }
 
     fn clear_selection(&mut self) {
-        self.selected_deck_index = None;
+        self.selected_deck_handle = None;
     }
 
     fn fill_deck_word_indices(&mut self) -> MaybeError {
-        let state = &self.state.lock();
+        let card_states = self.state.card_states.read();
+        let deck_id = self.selected_deck().unwrap().id;
+        let added = card_states
+            .query_par(Arc::new(move |state| state.deck_id == deck_id))
+            .iter(&card_states)
+            .map(|state| EntityHandle::from_id(state.word_id))
+            .collect::<Vec<_>>();
         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);
+        let total = DeckData::list(&deck, &self.state)?;
         deck.existing_words_indices = added;
         deck.available_words_indices = total;
-        self.decks[self.selected_deck_index.unwrap()] = deck;
+        self.decks[self.selected_deck_handle.unwrap()] = deck;
         Ok(())
     }
 }
@@ -658,11 +644,12 @@ pub enum RepetitionsMessage {
 #[derive(Clone)]
 struct DeckViewData {
     general_settings: DeckSettings,
-    existing_words_indices: Vec<usize>,
-    available_words_indices: Vec<usize>,
+    existing_words_indices: Vec<EntityHandle<WordData>>,
+    available_words_indices: Vec<EntityHandle<WordData>>,
     indices_ready: bool,
     append_mode: AppendMode,
-    index: Option<usize>,
+    count: Option<usize>,
+    open_mode: OrderMode,
 }
 
 impl Deref for DeckViewData {

src/pages/sync.rs

@@ -1,4 +1,5 @@
-use crate::app::{AppState, fill_state};
+use crate::app::AppState;
+use crate::data::repositories::Repository;
 use crate::data_provider::settings::{delete_settings, set_setting};
 use crate::data_provider::web_api::*;
 use crate::navigation::Page::PreviousPage;
@@ -12,8 +13,6 @@ use iced::widget::container::rounded_box;
 use iced::widget::{button, column, container, progress_bar, row, space, text, toggler};
 use iced::{Center, Element, Fill, Font, Length, Task};
 use log::error;
-use parking_lot::Mutex;
-use std::sync::Arc;
 use std::time::Duration;
 
 #[derive(Clone)]
@@ -56,8 +55,7 @@ impl NavigatedPage<SyncMessage> for SyncState {
         match message {
             Back => {}
             CopyKey => {
-                let state = self.state.lock();
-                let key = state.sync_data.key.clone().unwrap();
+                let key = self.state.sync_data.read().key.clone().unwrap();
                 return iced::clipboard::write(key)
                     .map(|_val: String| RootMessage::Sync(KeyCopied));
             }
@@ -76,16 +74,20 @@ impl NavigatedPage<SyncMessage> for SyncState {
                 if !validate_id(&new_id) {
                     return Task::none();
                 }
-                let mut state = self.state.lock();
-                state.sync_data.key = Some(new_id.clone());
-                if let Err(err) = set_setting("SYNC_KEY".to_string(), new_id, &state.connection) {
+                let mut settings = self.state.sync_data.write();
+                settings.key = Some(new_id.clone());
+                if let Err(err) = set_setting(
+                    "SYNC_KEY".to_string(),
+                    new_id,
+                    &self.state.connection.lock(),
+                ) {
                     return push_error_task!(err);
                 }
             }
             Send => {
                 self.prepare_to_db_interaction();
 
-                let id = self.state.lock().sync_data.key.clone().unwrap();
+                let id = self.state.sync_data.read().key.clone().unwrap();
                 let tasks = Task::batch([
                     Task::perform(
                         async { tokio::time::sleep(Duration::from_millis(200)).await },
@@ -97,7 +99,7 @@ impl NavigatedPage<SyncMessage> for SyncState {
                 return tasks;
             }
             GetLast => {
-                let id = self.state.lock().sync_data.key.clone().unwrap();
+                let id = self.state.sync_data.read().key.clone().unwrap();
                 let tasks = Task::batch([
                     Task::perform(
                         async { tokio::time::sleep(Duration::from_millis(200)).await },
@@ -122,26 +124,27 @@ impl NavigatedPage<SyncMessage> for SyncState {
             }
             NetworkFinished => {
                 self.frozen = false;
-                let mut updated_state = AppState::new();
-                fill_state(&mut updated_state);
+                {
+                    let mut connection = self.state.connection.lock();
+                    connection.restart();
+                }
+
+                if let Err(err) = self.reload_data() {
+                    return push_error_task!(err);
+                }
 
-                let mut state = self.state.lock();
-                state.sync_data = updated_state.sync_data;
-                state.connection = updated_state.connection;
-                state.decks = updated_state.decks;
-                state.dictionary = updated_state.dictionary;
-                state.word_groups = updated_state.word_groups;
                 return Task::done(RootMessage::PushNotification(NotificationRequest::Info(
                     NotificationData::DataLoaded,
                 )));
             }
             Disable => {}
             DisableSync => {
-                let mut state = self.state.lock();
-                state.sync_data.key = None;
+                let mut sync_data = self.state.sync_data.write();
+                let connection = self.state.connection.lock();
+                sync_data.key = None;
                 let save_result = || {
-                    delete_settings("SYNC_KEY".to_string(), &state.connection)?;
-                    delete_settings("AUTO_WEB_FETCH".to_string(), &state.connection)?;
+                    delete_settings("SYNC_KEY".to_string(), &connection)?;
+                    delete_settings("AUTO_WEB_FETCH".to_string(), &connection)?;
                     Ok::<(), NotificationData>(())
                 };
 
@@ -151,12 +154,14 @@ impl NavigatedPage<SyncMessage> for SyncState {
             }
             SwitchAutoSync => {
                 self.auto_fetch = !self.auto_fetch;
-                let mut state = self.state.lock();
-                state.sync_data.auto_web_fetch = self.auto_fetch;
+                let mut sync_data = self.state.sync_data.write();
+                let connection = self.state.connection.lock();
+
+                sync_data.auto_web_fetch = self.auto_fetch;
                 if let Err(err) = set_setting(
                     "AUTO_WEB_FETCH".to_string(),
                     self.auto_fetch.to_string(),
-                    &state.connection,
+                    &connection,
                 ) {
                     return push_error_task!(err);
                 }
@@ -178,10 +183,8 @@ impl NavigatedPage<SyncMessage> for SyncState {
 
 impl SyncState {
     pub fn new(state: AppState) -> SyncState {
-        let auto_fetch;
-        {
-            auto_fetch = state.lock().sync_data.auto_web_fetch;
-        }
+        let auto_fetch = state.sync_data.read().auto_web_fetch;
+
         Self {
             auto_fetch,
             state,
@@ -190,6 +193,15 @@ impl SyncState {
         }
     }
 
+    fn reload_data(&mut self) -> Result<(), NotificationData> {
+        self.state.card_states.write().reload()?;
+        self.state.word_groups.write().reload()?;
+        self.state.decks.write().reload()?;
+        self.state.dictionary.write().reload()?;
+        self.state.history.write().reload()?;
+        Ok(())
+    }
+
     fn sync_column(&self) -> Element<'_, SyncMessage> {
         let network_view: Element<'_, SyncMessage> = if self.frozen {
             progress_bar(0.0..=5.0, self.progress).into()
@@ -197,7 +209,7 @@ impl SyncState {
             space().into()
         };
         {
-            if let Some(key) = self.state.lock().sync_data.key.clone() {
+            if let Some(key) = self.state.sync_data.read().key.as_ref() {
                 column![
                     text!("Ваш ключ синхронизации"),
                     container(
@@ -254,13 +266,15 @@ impl SyncState {
         }
         self.frozen = true;
         self.progress = 0.0;
-        let state = self.state.lock();
-        state
-            .connection
+        let mut connection = self.state.connection.lock();
+
+        connection
             .query_row("PRAGMA wal_checkpoint(TRUNCATE)", [], |_| Ok(()))
             .unwrap_or_else(|e| {
                 error!("Ошибка при checkpoint WAL: {e}");
             });
+
+        connection.finish();
     }
 }