Splitting kana set

src/core.rs

@@ -0,0 +1 @@
+pub mod kana_set;

src/core/kana_set.rs

@@ -0,0 +1,201 @@
+#[derive(Clone, Debug)]
+pub struct KanaSet {
+    name: String,
+    pub(crate) chars_type: KanaType,
+    pub(crate) dictionary: Vec<Vec<(String, String)>>,
+    pub(crate) include_map: [bool; 10],
+}
+#[derive(Clone, Debug)]
+pub enum KanaType {
+    Hiragana,
+    Katakana,
+}
+impl KanaSet {
+    pub fn hiragana() -> Self {
+        Self {
+            name: "Хирагана".to_string(),
+            chars_type: KanaType::Hiragana,
+            dictionary: vec![
+                vec![
+                    (String::from("ぁ"), String::from("a")),
+                    (String::from("ぃ"), String::from("i")),
+                    (String::from("ぅ"), String::from("u")),
+                    (String::from("ぇ"), String::from("e")),
+                    (String::from("ぉ"), String::from("o")),
+                ],
+                vec![
+                    (String::from("さ"), String::from("sa")),
+                    (String::from("し"), String::from("shi")),
+                    (String::from("す"), String::from("su")),
+                    (String::from("せ"), String::from("se")),
+                    (String::from("そ"), String::from("so")),
+                ],
+                vec![
+                    (String::from("か"), String::from("ka")),
+                    (String::from("き"), String::from("ki")),
+                    (String::from("く"), String::from("ku")),
+                    (String::from("け"), String::from("ke")),
+                    (String::from("こ"), String::from("ko")),
+                ],
+                // Ряд «та» (たちつてと)
+                vec![
+                    (String::from("た"), String::from("ta")),
+                    (String::from("ち"), String::from("chi")),
+                    (String::from("つ"), String::from("tsu")),
+                    (String::from("て"), String::from("te")),
+                    (String::from("と"), String::from("to")),
+                ],
+                // Ряд «на» (なにぬねの)
+                vec![
+                    (String::from("な"), String::from("na")),
+                    (String::from("に"), String::from("ni")),
+                    (String::from("ぬ"), String::from("nu")),
+                    (String::from("ね"), String::from("ne")),
+                    (String::from("の"), String::from("no")),
+                ],
+                // Ряд «ха» (はひふへほ)
+                vec![
+                    (String::from("は"), String::from("ha")),
+                    (String::from("ひ"), String::from("hi")),
+                    (String::from("ふ"), String::from("fu")),
+                    (String::from("へ"), String::from("he")),
+                    (String::from("ほ"), String::from("ho")),
+                ],
+                // Ряд «ма» (まみむめも)
+                vec![
+                    (String::from("ま"), String::from("ma")),
+                    (String::from("み"), String::from("mi")),
+                    (String::from("む"), String::from("mu")),
+                    (String::from("め"), String::from("me")),
+                    (String::from("も"), String::from("mo")),
+                ],
+                // Ряд «я» (やゆよ) — только 3 символа
+                vec![
+                    (String::from("や"), String::from("ya")),
+                    (String::from("ゆ"), String::from("yu")),
+                    (String::from("よ"), String::from("yo")),
+                ],
+                // Ряд «ра» (らりるれろ)
+                vec![
+                    (String::from("ら"), String::from("ra")),
+                    (String::from("り"), String::from("ri")),
+                    (String::from("る"), String::from("ru")),
+                    (String::from("れ"), String::from("re")),
+                    (String::from("ろ"), String::from("ro")),
+                ],
+                vec![
+                    (String::from("わ"), String::from("wa")),
+                    (String::from("を"), String::from("wo")),
+                    (String::from("ん"), String::from("n")),
+                ],
+            ],
+            include_map: [true; 10],
+        }
+    }
+
+    pub fn katakana() -> Self {
+        Self {
+            name: "Катакана".to_string(),
+            chars_type: KanaType::Katakana,
+            dictionary: vec![
+                vec![
+                    (String::from("ァ"), String::from("a")),
+                    (String::from("ィ"), String::from("i")),
+                    (String::from("ゥ"), String::from("u")),
+                    (String::from("ェ"), String::from("e")),
+                    (String::from("ォ"), String::from("o")),
+                ],
+                vec![
+                    (String::from("サ"), String::from("sa")),
+                    (String::from("シ"), String::from("shi")),
+                    (String::from("ス"), String::from("su")),
+                    (String::from("セ"), String::from("se")),
+                    (String::from("ソ"), String::from("so")),
+                ],
+                vec![
+                    (String::from("カ"), String::from("ka")),
+                    (String::from("キ"), String::from("ki")),
+                    (String::from("ク"), String::from("ku")),
+                    (String::from("ケ"), String::from("ke")),
+                    (String::from("コ"), String::from("ko")),
+                ],
+                // Ряд «та» (タチツテト)
+                vec![
+                    (String::from("タ"), String::from("ta")),
+                    (String::from("チ"), String::from("chi")),
+                    (String::from("ツ"), String::from("tsu")),
+                    (String::from("テ"), String::from("te")),
+                    (String::from("ト"), String::from("to")),
+                ],
+                // Ряд «на» (ナニヌネノ)
+                vec![
+                    (String::from("ナ"), String::from("na")),
+                    (String::from("ニ"), String::from("ni")),
+                    (String::from("ヌ"), String::from("nu")),
+                    (String::from("ネ"), String::from("ne")),
+                    (String::from("ノ"), String::from("no")),
+                ],
+                // Ряд «ха» (ハヒフヘホ)
+                vec![
+                    (String::from("ハ"), String::from("ha")),
+                    (String::from("ヒ"), String::from("hi")),
+                    (String::from("フ"), String::from("fu")),
+                    (String::from("ヘ"), String::from("he")),
+                    (String::from("ホ"), String::from("ho")),
+                ],
+                // Ряд «ма» (マミムメモ)
+                vec![
+                    (String::from("マ"), String::from("ma")),
+                    (String::from("ミ"), String::from("mi")),
+                    (String::from("ム"), String::from("mu")),
+                    (String::from("メ"), String::from("me")),
+                    (String::from("モ"), String::from("mo")),
+                ],
+                // Ряд «я» (ヤユヨ) — только 3 символа
+                vec![
+                    (String::from("ヤ"), String::from("ya")),
+                    (String::from("ユ"), String::from("yu")),
+                    (String::from("ヨ"), String::from("yo")),
+                ],
+                // Ряд «ра» (ラリルレロ)
+                vec![
+                    (String::from("ラ"), String::from("ra")),
+                    (String::from("リ"), String::from("ri")),
+                    (String::from("ル"), String::from("ru")),
+                    (String::from("レ"), String::from("re")),
+                    (String::from("ロ"), String::from("ro")),
+                ],
+                vec![
+                    (String::from("ワ"), String::from("wa")),
+                    (String::from("ヲ"), String::from("wo")),
+                    (String::from("ン"), String::from("n")),
+                ],
+            ],
+            include_map: [true; 10],
+        }
+    }
+
+    pub fn list(&self) -> Vec<(String, String)> {
+        let mut current_set: Vec<(String, String)> = Vec::new();
+
+        for i in 0..10 {
+            if self.include_map[i] {
+                self.dictionary[i].iter().for_each(|v| {
+                    current_set.push(v.clone());
+                });
+            }
+        }
+
+        current_set
+    }
+}
+impl Default for KanaSet {
+    fn default() -> Self {
+        KanaSet::hiragana()
+    }
+}
+impl PartialEq<Self> for KanaSet {
+    fn eq(&self, other: &Self) -> bool {
+        self.name == other.name
+    }
+}

src/data_provider/history.rs

@@ -1,20 +1,21 @@
-use crate::dictionary::app_data_dir;
+use crate::fs::*;
 use crate::lang::{Id, WordOpenMode};
 use chrono::{DateTime, Utc};
-use std::fs;
 use std::fs::{File, OpenOptions};
 use std::io::Write;
 use std::io::{BufRead, BufReader};
 use std::path::PathBuf;
+use crate::notification::NotificationData;
+use crate::notification::NotificationData::PermissionDenied;
 
-pub fn get_history_of_set(id: Id) -> Vec<HistoryItem> {
-    let app_dir = history_dir();
+pub fn get_history_of_set(id: Id) -> Result<Vec<HistoryItem>, NotificationData> {
+    let app_dir = history_dir()?;
     let head = app_dir.clone().join(format!("set_{}_history.csv", id));
     let mut lines = Vec::new();
 
     append_lines_if_exists(head, &mut lines);
     lines.reverse();
-    parse_history_items(lines)
+    Ok(parse_history_items(lines))
 }
 
 fn append_lines_if_exists(path: PathBuf, lines: &mut Vec<String>) {
@@ -56,15 +57,15 @@ fn parse_history_items(strings: Vec<String>) -> Vec<HistoryItem> {
     items
 }
 
-pub fn push_note(set_id: Id, item: HistoryItem) {
-    let app_dir = history_dir();
+pub fn push_note(set_id: Id, item: HistoryItem) -> Result<(), NotificationData> {
+    let app_dir = history_dir()?;
     let path = app_dir.clone().join(format!("set_{}_history.csv", set_id));
 
     let mut file = OpenOptions::new()
         .create(true)
         .append(true)
         .open(path)
-        .unwrap();
+        .map_err(|_| PermissionDenied)?;
     let line_str = format!(
         "{};{};{};{};{}",
         item.timestamp.timestamp(),
@@ -78,15 +79,8 @@ pub fn push_note(set_id: Id, item: HistoryItem) {
         item.before,
         item.after
     );
-    writeln!(&mut file, "{}", line_str).unwrap();
-}
-
-pub fn history_dir() -> PathBuf {
-    let directory = app_data_dir().join("history");
-    if !directory.exists() {
-        fs::create_dir(directory.clone()).unwrap();
-    }
-    directory
+    writeln!(&mut file, "{}", line_str).map_err(|_| PermissionDenied)?;
+    Ok(())
 }
 
 #[derive(Clone)]

src/data_provider/sqlite.rs

@@ -1,9 +1,8 @@
-use crate::dictionary::app_data_dir;
 use rusqlite::Connection;
+use crate::fs::*;
 
 pub fn create_db() {
-    let path = app_data_dir();
-    let db_file = path.join("data.db");
+    let db_file = db_path();
     if !db_file.exists() {
         std::fs::File::create(&db_file).unwrap();
         let connection = Connection::open(&db_file).unwrap();
@@ -51,8 +50,7 @@ fn make_card_stats(conn: &Connection) -> Result<(), rusqlite::Error> {
 }
 
 pub fn default_connection() -> Connection {
-    let path = app_data_dir();
-    let db_file = path.join("data.db");
+    let db_file = db_path();
     let connection = Connection::open(db_file).unwrap();
     connection.execute("PRAGMA foreign_keys = ON;", []).unwrap();
     connection

src/data_provider/voice.rs

@@ -1,17 +1,14 @@
-use crate::dictionary::app_data_dir;
 use reqwest::Client;
 use sha2::{Digest, Sha256};
 use std::fs::File;
 use std::io::BufReader;
+use crate::fs::*;
 use crate::notification::NotificationData;
 use crate::notification::NotificationData::*;
 
 pub async fn get_voice(text: &str) -> Result<BufReader<File>, NotificationData> {
-    let mut path = app_data_dir();
-    path.push("voice");
-    if !path.exists() {
-        std::fs::create_dir(path.clone()).map_err(|_| PermissionDenied)?;
-    }
+    let mut path = voice_dir()?;
+
     let hash = format!("{}.wav", hex::encode(Sha256::digest(text.as_bytes())));
     path.push(hash);
     if !path.exists() {

src/data_provider/web_api.rs

@@ -1,9 +1,9 @@
-use crate::dictionary::app_data_dir;
 use std::io;
 use log::info;
 use tokio::fs::{File, OpenOptions};
 use tokio::io::{AsyncReadExt, AsyncWriteExt};
 use zstd::{DEFAULT_COMPRESSION_LEVEL, Decoder, Encoder};
+use crate::fs::*;
 use crate::notification::NotificationData;
 use crate::notification::NotificationData::{PermissionDenied, WebApiUnavailable};
 
@@ -11,8 +11,7 @@ use crate::notification::NotificationData::{PermissionDenied, WebApiUnavailable}
 const API_URL: &str = "https://learning.micialware.ru/";
 
 pub async fn send_data(id: String) -> Result<(), NotificationData> {
-    let path = app_data_dir();
-    let db_file = path.join("data.db");
+    let db_file = db_path();
     let data = tokio::fs::read(db_file).await.map_err(|_| WebApiUnavailable)?;
     let data = compress(data);
 
@@ -102,7 +101,7 @@ pub async fn get_web_version(key: &str) -> Result<u32, NotificationData> {
 }
 
 pub async fn get_local_version() -> u32 {
-    let file = app_data_dir().join("data.meta");
+    let file = db_meta_path();
     if file.exists() {
         let mut data = String::new();
         File::open(file.clone())
@@ -126,7 +125,7 @@ pub async fn get_local_version() -> u32 {
 }
 
 pub async fn set_local_version(version: u32) {
-    let file_path = app_data_dir().join("data.meta");
+    let file_path = db_meta_path();
     let mut file = OpenOptions::new()
         .write(true)
         .create(true)

src/fs.rs

@@ -0,0 +1,45 @@
+use std::fs;
+use std::path::PathBuf;
+use crate::notification::NotificationData;
+use crate::notification::NotificationData::PermissionDenied;
+
+pub fn app_data_dir() -> PathBuf {
+    let mut dir = dirs::data_dir().unwrap();
+    dir.push("jap_learn");
+    if !dir.exists() {
+        fs::create_dir_all(dir.clone()).unwrap();
+    }
+
+    dir
+}
+
+pub fn db_path() -> PathBuf {
+     app_data_dir().join("data.db")
+}
+pub fn temp_db_path() -> PathBuf {
+     app_data_dir().join("data.db.tmp")
+}
+
+pub fn temp_import_path() -> PathBuf {
+    app_data_dir().join("import")
+}
+
+pub fn db_meta_path() -> PathBuf {
+    app_data_dir().join("data.meta")
+}
+
+pub fn history_dir() -> Result<PathBuf, NotificationData> {
+    let directory = app_data_dir().join("history");
+    if !directory.exists() {
+        fs::create_dir_all(directory.clone()).map_err(|_| PermissionDenied)?;
+    }
+    Ok(directory)
+}
+
+pub fn voice_dir() -> Result<PathBuf, NotificationData> {
+    let directory = app_data_dir().join("voice");
+    if !directory.exists() {
+        fs::create_dir_all(directory.clone()).map_err(|_| PermissionDenied)?;
+    }
+    Ok(directory)
+}

src/lang.rs

@@ -83,207 +83,7 @@ impl Id {
     }
 }
 
-#[derive(Clone, Debug)]
-pub struct KanaSet {
-    name: String,
-    pub(crate) chars_type: KanaType,
-    pub(crate) dictionary: Vec<Vec<(String, String)>>,
-    pub(crate) include_map: [bool; 10],
-}
-#[derive(Clone, Debug)]
-pub enum KanaType {
-    Hiragana,
-    Katakana,
-}
-impl KanaSet {
-    pub fn hiragana() -> Self {
-        Self {
-            name: "Хирагана".to_string(),
-            chars_type: KanaType::Hiragana,
-            dictionary: vec![
-                vec![
-                    (String::from("ぁ"), String::from("a")),
-                    (String::from("ぃ"), String::from("i")),
-                    (String::from("ぅ"), String::from("u")),
-                    (String::from("ぇ"), String::from("e")),
-                    (String::from("ぉ"), String::from("o")),
-                ],
-                vec![
-                    (String::from("さ"), String::from("sa")),
-                    (String::from("し"), String::from("shi")),
-                    (String::from("す"), String::from("su")),
-                    (String::from("せ"), String::from("se")),
-                    (String::from("そ"), String::from("so")),
-                ],
-                vec![
-                    (String::from("か"), String::from("ka")),
-                    (String::from("き"), String::from("ki")),
-                    (String::from("く"), String::from("ku")),
-                    (String::from("け"), String::from("ke")),
-                    (String::from("こ"), String::from("ko")),
-                ],
-                // Ряд «та» (たちつてと)
-                vec![
-                    (String::from("た"), String::from("ta")),
-                    (String::from("ち"), String::from("chi")),
-                    (String::from("つ"), String::from("tsu")),
-                    (String::from("て"), String::from("te")),
-                    (String::from("と"), String::from("to")),
-                ],
-                // Ряд «на» (なにぬねの)
-                vec![
-                    (String::from("な"), String::from("na")),
-                    (String::from("に"), String::from("ni")),
-                    (String::from("ぬ"), String::from("nu")),
-                    (String::from("ね"), String::from("ne")),
-                    (String::from("の"), String::from("no")),
-                ],
-                // Ряд «ха» (はひふへほ)
-                vec![
-                    (String::from("は"), String::from("ha")),
-                    (String::from("ひ"), String::from("hi")),
-                    (String::from("ふ"), String::from("fu")),
-                    (String::from("へ"), String::from("he")),
-                    (String::from("ほ"), String::from("ho")),
-                ],
-                // Ряд «ма» (まみむめも)
-                vec![
-                    (String::from("ま"), String::from("ma")),
-                    (String::from("み"), String::from("mi")),
-                    (String::from("む"), String::from("mu")),
-                    (String::from("め"), String::from("me")),
-                    (String::from("も"), String::from("mo")),
-                ],
-                // Ряд «я» (やゆよ) — только 3 символа
-                vec![
-                    (String::from("や"), String::from("ya")),
-                    (String::from("ゆ"), String::from("yu")),
-                    (String::from("よ"), String::from("yo")),
-                ],
-                // Ряд «ра» (らりるれろ)
-                vec![
-                    (String::from("ら"), String::from("ra")),
-                    (String::from("り"), String::from("ri")),
-                    (String::from("る"), String::from("ru")),
-                    (String::from("れ"), String::from("re")),
-                    (String::from("ろ"), String::from("ro")),
-                ],
-                vec![
-                    (String::from("わ"), String::from("wa")),
-                    (String::from("を"), String::from("wo")),
-                    (String::from("ん"), String::from("n")),
-                ],
-            ],
-            include_map: [true; 10],
-        }
-    }
 
-    pub fn katakana() -> Self {
-        Self {
-            name: "Катакана".to_string(),
-            chars_type: KanaType::Katakana,
-            dictionary: vec![
-                vec![
-                    (String::from("ァ"), String::from("a")),
-                    (String::from("ィ"), String::from("i")),
-                    (String::from("ゥ"), String::from("u")),
-                    (String::from("ェ"), String::from("e")),
-                    (String::from("ォ"), String::from("o")),
-                ],
-                vec![
-                    (String::from("サ"), String::from("sa")),
-                    (String::from("シ"), String::from("shi")),
-                    (String::from("ス"), String::from("su")),
-                    (String::from("セ"), String::from("se")),
-                    (String::from("ソ"), String::from("so")),
-                ],
-                vec![
-                    (String::from("カ"), String::from("ka")),
-                    (String::from("キ"), String::from("ki")),
-                    (String::from("ク"), String::from("ku")),
-                    (String::from("ケ"), String::from("ke")),
-                    (String::from("コ"), String::from("ko")),
-                ],
-                // Ряд «та» (タチツテト)
-                vec![
-                    (String::from("タ"), String::from("ta")),
-                    (String::from("チ"), String::from("chi")),
-                    (String::from("ツ"), String::from("tsu")),
-                    (String::from("テ"), String::from("te")),
-                    (String::from("ト"), String::from("to")),
-                ],
-                // Ряд «на» (ナニヌネノ)
-                vec![
-                    (String::from("ナ"), String::from("na")),
-                    (String::from("ニ"), String::from("ni")),
-                    (String::from("ヌ"), String::from("nu")),
-                    (String::from("ネ"), String::from("ne")),
-                    (String::from("ノ"), String::from("no")),
-                ],
-                // Ряд «ха» (ハヒフヘホ)
-                vec![
-                    (String::from("ハ"), String::from("ha")),
-                    (String::from("ヒ"), String::from("hi")),
-                    (String::from("フ"), String::from("fu")),
-                    (String::from("ヘ"), String::from("he")),
-                    (String::from("ホ"), String::from("ho")),
-                ],
-                // Ряд «ма» (マミムメモ)
-                vec![
-                    (String::from("マ"), String::from("ma")),
-                    (String::from("ミ"), String::from("mi")),
-                    (String::from("ム"), String::from("mu")),
-                    (String::from("メ"), String::from("me")),
-                    (String::from("モ"), String::from("mo")),
-                ],
-                // Ряд «я» (ヤユヨ) — только 3 символа
-                vec![
-                    (String::from("ヤ"), String::from("ya")),
-                    (String::from("ユ"), String::from("yu")),
-                    (String::from("ヨ"), String::from("yo")),
-                ],
-                // Ряд «ра» (ラリルレロ)
-                vec![
-                    (String::from("ラ"), String::from("ra")),
-                    (String::from("リ"), String::from("ri")),
-                    (String::from("ル"), String::from("ru")),
-                    (String::from("レ"), String::from("re")),
-                    (String::from("ロ"), String::from("ro")),
-                ],
-                vec![
-                    (String::from("ワ"), String::from("wa")),
-                    (String::from("ヲ"), String::from("wo")),
-                    (String::from("ン"), String::from("n")),
-                ],
-            ],
-            include_map: [true; 10],
-        }
-    }
-
-    pub fn list(&self) -> Vec<(String, String)> {
-        let mut current_set: Vec<(String, String)> = Vec::new();
-
-        for i in 0..10 {
-            if self.include_map[i] {
-                self.dictionary[i].iter().for_each(|v| {
-                    current_set.push(v.clone());
-                });
-            }
-        }
-
-        current_set
-    }
-}
-impl Default for KanaSet {
-    fn default() -> Self {
-        KanaSet::hiragana()
-    }
-}
-impl PartialEq<Self> for KanaSet {
-    fn eq(&self, other: &Self) -> bool {
-        self.name == other.name
-    }
-}
 #[derive(Clone, Debug)]
 pub struct WordData {
     pub id: Id,
@@ -448,7 +248,7 @@ impl DeckData {
             }
         }
         update_stat_score(word, &self.state.lock().connection);
-        push_note(
+        let _ = push_note(
             self.settings.id,
             HistoryItem {
                 timestamp: Utc::now(),
@@ -457,7 +257,7 @@ impl DeckData {
                 before: old_score,
                 after: new_score,
             },
-        )
+        );
     }
     pub fn len(&self) -> usize {
         self.set.len()

src/main.rs

@@ -1,26 +1,14 @@
 #![windows_subsystem = "windows"]
 mod data_provider;
-mod dictionary;
-mod dictionary_quiz;
-mod history;
-pub mod import;
-mod lang;
-pub mod navigation;
-mod quiz;
-mod randomizer;
-mod repetition;
-mod repetition_settings;
-mod repetitions;
-mod selector;
-pub mod styling;
-mod sync;
-mod word;
-mod writing;
 pub mod notification;
 pub mod app;
-
+mod lang;
+mod styling;
+mod pages;
+mod navigation;
+mod fs;
+mod core;
 use crate::app::start;
-use crate::navigation::RootMessage;
 use mimalloc::MiMalloc;
 
 #[global_allocator]

src/navigation.rs

@@ -1,39 +1,46 @@
 use crate::app::{fill_state, AppState};
-use crate::data_provider::history::{get_history_of_set, history_dir};
+use crate::data_provider::history::get_history_of_set;
 use crate::data_provider::sqlite::{create_db, default_connection};
-use crate::data_provider::web_api::{get_local_version, get_web_version, load_data, set_local_version};
-use crate::dictionary::{app_data_dir, DictionaryMessage, DictionaryState};
-use crate::dictionary_quiz::{DictionaryQuizMessage, DictionaryQuizState};
-use crate::history::{HistoryMessage, HistoryState};
-use crate::import::{ImportMessage, ImportState};
+use crate::data_provider::web_api::{
+    get_local_version, get_web_version, load_data, set_local_version,
+};
+use crate::fs::*;
 use crate::lang::Id;
 use crate::message_navigation;
 use crate::navigation::Page::*;
-use crate::navigation::RootMessage::{DataLoaded, Keyboard, Notification, PushNotification, UpdateData};
-use crate::notification::{NotificationData, NotificationManager, NotificationMessage, NotificationRequest};
-use crate::quiz::{QuizMessage, QuizState};
-use crate::randomizer::{RandomizerMessage, RandomizerState};
-use crate::repetition::{RepetitionMessage, RepetitionState};
-use crate::repetition_settings::{RepetitionSettingsMessage, RepetitionSettingsState};
-use crate::repetitions::{RepetitionsMessage, RepetitionsState};
-use crate::selector::{SelectorMessage, SelectorState};
+use crate::navigation::RootMessage::{
+    DataLoaded, Keyboard, Notification, PushNotification, UpdateData,
+};
+use crate::notification::{
+    NotificationData, NotificationManager, NotificationMessage, NotificationRequest,
+};
+use crate::pages::dictionary::{DictionaryMessage, DictionaryState};
+use crate::pages::dictionary_quiz::{DictionaryQuizMessage, DictionaryQuizState};
+use crate::pages::history::{HistoryMessage, HistoryState};
+use crate::pages::import::{ImportMessage, ImportState};
+use crate::pages::quiz::{QuizMessage, QuizState};
+use crate::pages::randomizer::{RandomizerMessage, RandomizerState};
+use crate::pages::repetition::{RepetitionMessage, RepetitionState};
+use crate::pages::repetition_settings::{RepetitionSettingsMessage, RepetitionSettingsState};
+use crate::pages::repetitions::{RepetitionsMessage, RepetitionsState};
+use crate::pages::selector::{SelectorMessage, SelectorState};
+use crate::pages::sync::{SyncMessage, SyncState};
+use crate::pages::word::{WordMessage, WordState};
+use crate::pages::writing::{WritingMessage, WritingState};
 use crate::state_navigate_handle;
 use crate::state_update;
-use crate::sync::{SyncMessage, SyncState};
 use crate::view_navigation;
-use crate::word::{WordMessage, WordState};
-use crate::writing::{WritingMessage, WritingState};
 use chrono::NaiveDate;
 use hashbrown::HashMap;
 use iced::keyboard::Event;
 use iced::widget::stack;
 use iced::{Element, Task};
 use iced_core::Length::Fill;
+use log::info;
 use parking_lot::Mutex;
 use rusqlite::Connection;
 use std::sync::Arc;
 use std::time::Instant;
-use log::info;
 
 impl Default for ScreenState {
     fn default() -> Self {
@@ -91,7 +98,7 @@ pub enum Page {
 pub struct ScreenState {
     stack: Vec<Page>,
     app_state: Arc<Mutex<AppState>>,
-    notification_manager: NotificationManager
+    notification_manager: NotificationManager,
 }
 
 impl ScreenState {
@@ -108,10 +115,7 @@ impl ScreenState {
             let key = state_guard.sync_data.key.clone().unwrap();
             final_task = Task::batch([
                 reading_additional_task,
-                Task::perform(
-                    Self::load_web_backup(key),
-                    |result| {
-                        match result {
+                Task::perform(Self::load_web_backup(key), |result| match result {
                     Ok(update) => {
                         if update {
                             UpdateData
@@ -119,10 +123,8 @@ impl ScreenState {
                             RootMessage::None
                         }
                     }
-                            Err(err) => PushNotification(NotificationRequest::Warning(err))
-                        }
-                    }
-                ),
+                    Err(err) => PushNotification(NotificationRequest::Warning(err)),
+                }),
             ]);
         } else {
             final_task = reading_additional_task;
@@ -135,6 +137,7 @@ impl ScreenState {
 
     async fn load_additional_data() -> RootMessage {
         let directory = history_dir();
+        if let Ok(directory) = directory {
             let mut map = HashMap::new();
             for file in directory.read_dir().unwrap().flatten() {
                 let mut vec = vec![];
@@ -148,6 +151,7 @@ impl ScreenState {
                     .unwrap();
 
                 let history = get_history_of_set(id);
+                if let Ok(history) = history {
                     let by_date = history.chunk_by(|x, x1| {
                         x.timestamp.naive_local().date() == x1.timestamp.naive_local().date()
                     });
@@ -155,8 +159,13 @@ impl ScreenState {
                         vec.push((group[0].timestamp.naive_local().date(), group.len() as u32));
                     }
                     map.insert(id, vec);
+                } else {
+                    return PushNotification(NotificationRequest::Warning(history.err().unwrap()));
                 }
-        DataLoaded(map)
+            }
+            return DataLoaded(map);
+        }
+        PushNotification(NotificationRequest::Warning(directory.err().unwrap()))
     }
 
     async fn load_web_backup(string: String) -> Result<bool, NotificationData> {
@@ -191,9 +200,8 @@ impl ScreenState {
             if cfg!(windows) {
                 state.connection = Connection::open_in_memory().unwrap();
             }
-            let path = app_data_dir();
-            let db_file = path.join("data.db");
-            let temp_db_file = path.join("data.db.tmp");
+            let db_file = db_path();
+            let temp_db_file = temp_db_path();
             std::fs::rename(temp_db_file, &db_file).unwrap();
 
             state.connection = default_connection();
@@ -206,7 +214,7 @@ impl ScreenState {
         }
 
         if let PushNotification(notification) = &message {
-            return self.notification_manager.push(notification.clone())
+            return self.notification_manager.push(notification.clone());
         }
 
         let task: (Task<RootMessage>, bool) = self.navigate_or_update(message);
@@ -255,7 +263,6 @@ impl ScreenState {
     }
 
     pub fn view(&self) -> Element<'_, RootMessage> {
-
         info!("View update");
         let time = Instant::now();
         let view = view_navigation!(
@@ -275,7 +282,7 @@ impl ScreenState {
             Import
         );
 
-        let notifications = self.notification_manager.draw().map(RootMessage::Notification);
+        let notifications = self.notification_manager.draw().map(Notification);
 
         info!("View took {:?}", time.elapsed());
         stack![view, notifications].width(Fill).height(Fill).into()

src/pages.rs

@@ -0,0 +1,13 @@
+pub mod dictionary;
+pub mod dictionary_quiz;
+pub mod history;
+pub mod import;
+pub mod quiz;
+pub mod randomizer;
+pub mod repetition;
+pub mod repetition_settings;
+pub mod repetitions;
+pub mod selector;
+pub mod sync;
+pub mod word;
+pub mod writing;

src/pages/dictionary.rs

@@ -1,12 +1,12 @@
 use crate::data_provider::words::{delete_group, delete_word, update_group, update_word};
-use crate::dictionary::DictionaryMessage::*;
-use crate::dictionary_quiz::DictionaryQuizState;
-use crate::import::ImportState;
+use crate::pages::dictionary::DictionaryMessage::*;
+use crate::pages::dictionary_quiz::DictionaryQuizState;
+use crate::pages::import::ImportState;
 use crate::lang::{WordData, WordGroup};
 use crate::navigation::Page::{Import, Word};
 use crate::navigation::{NavigatedPage, Page, RootMessage};
 use crate::styling::*;
-use crate::word::WordState;
+use crate::pages::word::WordState;
 use chrono::{DateTime, TimeDelta, Utc};
 use hashbrown::{HashMap, HashSet};
 use iced::alignment::Vertical::Center;
@@ -619,15 +619,7 @@ pub fn split_with_coma(ts: &str) -> Vec<String> {
         .collect::<Vec<String>>()
 }
 
-pub fn app_data_dir() -> PathBuf {
-    let mut dir = dirs::data_dir().unwrap();
-    dir.push("jap_learn");
-    if !dir.exists() {
-        fs::create_dir_all(dir.clone()).unwrap();
-    }
 
-    dir
-}
 
 #[derive(Hash, PartialEq, Eq)]
 struct WordLineState {

src/pages/dictionary_quiz.rs

@@ -1,10 +1,10 @@
-use crate::RootMessage;
-use crate::dictionary::split_with_coma;
-use crate::dictionary_quiz::DictionaryQuizMessage::*;
+use crate::navigation::RootMessage;
+use crate::pages::dictionary::split_with_coma;
+use crate::pages::dictionary_quiz::DictionaryQuizMessage::*;
 use crate::lang::WordData;
 use crate::navigation::Page::PreviousPage;
 use crate::navigation::*;
-use crate::quiz::Score;
+use crate::pages::quiz::Score;
 use crate::styling::*;
 use iced::Background::Color;
 use iced::border::Radius;

src/pages/history.rs

@@ -49,7 +49,7 @@ impl NavigatedPage<HistoryMessage> for HistoryState {
 impl HistoryState {
     pub fn new(id: crate::lang::Id, state: Arc<Mutex<AppState>>) -> Self {
         let state = state.lock();
-        let history = get_history_of_set(id);
+        let history = get_history_of_set(id).unwrap_or_default();
         let words = history
             .iter()
             .map(

src/pages/import.rs

@@ -1,7 +1,6 @@
 use crate::data_provider::import::{ImportData, ImportGroup, get_words_of_group, load_groups};
 use crate::data_provider::words::{add_group, add_words};
-use crate::dictionary::app_data_dir;
-use crate::import::ImportMessage::*;
+use crate::pages::import::ImportMessage::*;
 use crate::lang::{WordData, WordGroup};
 use crate::navigation::{NavigatedPage, Page, RootMessage};
 use crate::notification::NotificationData::OpenFileError;
@@ -28,6 +27,7 @@ use log::info;
 use tokio::task::spawn_blocking;
 use zip::ZipArchive;
 use crate::app::AppState;
+use crate::fs::*;
 
 const DEFAULT_FIELDS: [&str; 6] = ["key", "value", "tags", "reading", "context", "description"];
 
@@ -376,7 +376,7 @@ impl ImportState {
         let file = File::open(path).map_err(|_| OpenFileError)?;
         let reader = BufReader::new(file);
         let mut archive = ZipArchive::new(reader).map_err(|_| OpenFileError)?;
-        let temp_file_path = app_data_dir().join("import");
+        let temp_file_path = temp_import_path();
         let mut temp_file = OpenOptions::new()
             .write(true)
             .create(true)
@@ -394,7 +394,7 @@ impl ImportState {
         }
     }
     fn read_import_file() -> Result<ImportData, NotificationData> {
-        let temp_file_path = app_data_dir().join("import");
+        let temp_file_path = temp_import_path();
         let connection = Connection::open(&temp_file_path).map_err(|_| OpenFileError)?;
         let data = load_groups(&connection)?;
         Ok(data)
@@ -431,7 +431,7 @@ impl ImportState {
         Task::perform(
             async move {
                 spawn_blocking(move || {
-                    let temp_file_path = app_data_dir().join("import");
+                    let temp_file_path = temp_import_path();
                     let connection = Connection::open(&temp_file_path).map_err(|_| OpenFileError)?;
                     let import_list = get_words_of_group(&connection, group.id)?;
                     let mut words_list = Vec::with_capacity(import_list.len());

src/pages/quiz.rs

@@ -1,12 +1,13 @@
-use crate::lang::KanaSet;
+
 use crate::navigation::Page::PreviousPage;
 use crate::navigation::{NavigatedPage, Page, RootMessage};
-use crate::quiz::QuizMessage::*;
+use crate::pages::quiz::QuizMessage::*;
 use crate::styling::*;
 use iced::widget::*;
 use iced::{Element, Fill, Task, alignment};
 use rand::seq::SliceRandom;
 use crate::app::USER_FONT;
+use crate::core::kana_set::KanaSet;
 
 #[derive(Clone, Debug)]
 pub struct QuizState {

src/pages/randomizer.rs

@@ -1,6 +1,6 @@
-use crate::RootMessage;
+use crate::navigation::RootMessage;
 use crate::navigation::{NavigatedPage, Page};
-use crate::randomizer::RandomizerMessage::{Back, Edit, Start};
+use crate::pages::randomizer::RandomizerMessage::{Back, Edit, Start};
 use crate::styling::{HALF_SPACING, back_overlay, jl_button};
 use iced::Task;
 use iced::widget::{button, text_editor};

src/pages/repetition_settings.rs

@@ -4,7 +4,7 @@ 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::pages::repetition_settings::RepetitionSettingsMessage::*;
 use crate::styling::*;
 use iced::widget::button::danger;
 use iced::widget::text_input::Catalog;

src/pages/repetitions.rs

@@ -1,12 +1,12 @@
 use crate::data_provider::card_sets::update_deck;
 use crate::data_provider::card_stats::{add_stat_list, load_stats_of_deck};
-use crate::history::HistoryState;
+use crate::pages::history::HistoryState;
 use crate::lang::{AppendMode, CardStatistics, DeckSettings, Id, OrderMode};
 use crate::navigation::Page::{History, PreviousPage, Repetition, RepetitionSettings};
 use crate::navigation::{NavigatedPage, Page, RootMessage};
-use crate::repetition::RepetitionState;
-use crate::repetition_settings::RepetitionSettingsState;
-use crate::repetitions::RepetitionsMessage::*;
+use crate::pages::repetition::RepetitionState;
+use crate::pages::repetition_settings::RepetitionSettingsState;
+use crate::pages::repetitions::RepetitionsMessage::*;
 use crate::styling::*;
 use chrono::{Days, Local, Utc};
 use hashbrown::{HashMap, HashSet};

src/pages/selector.rs

@@ -1,13 +1,12 @@
-use crate::dictionary::DictionaryState;
-use crate::lang::{KanaSet, KanaType};
+use crate::pages::dictionary::DictionaryState;
 use crate::navigation::Page::*;
 use crate::navigation::{NavigatedPage, Page, RootMessage};
-use crate::randomizer::RandomizerState;
-use crate::repetitions::RepetitionsState;
-use crate::selector::SelectorMessage::ChangeMode;
+use crate::pages::randomizer::RandomizerState;
+use crate::pages::repetitions::RepetitionsState;
+use crate::pages::selector::SelectorMessage::ChangeMode;
 use crate::styling::*;
-use crate::sync::SyncState;
-use crate::writing::WritingState;
+use crate::pages::sync::SyncState;
+use crate::pages::writing::WritingState;
 use iced::widget::button::{Status, Style};
 use iced::widget::*;
 use iced::{Element, Task, alignment};
@@ -17,7 +16,8 @@ use iced_core::Color;
 use parking_lot::Mutex;
 use std::sync::Arc;
 use crate::app::AppState;
-use crate::quiz::QuizState;
+use crate::core::kana_set::{KanaSet, KanaType};
+use crate::pages::quiz::QuizState;
 
 pub struct SelectorState {
     pub set: KanaSet,

src/pages/sync.rs

@@ -3,7 +3,7 @@ use crate::data_provider::web_api::*;
 use crate::navigation::Page::PreviousPage;
 use crate::navigation::{NavigatedPage, Page, RootMessage};
 use crate::styling::*;
-use crate::sync::SyncMessage::*;
+use crate::pages::sync::SyncMessage::*;
 use iced::widget::button::danger;
 use iced::widget::container::rounded_box;
 use iced::widget::{button, column, container, progress_bar, row, space, text, toggler};

src/pages/word.rs

@@ -3,7 +3,7 @@ use crate::lang::WordData;
 use crate::navigation::Page::PreviousPage;
 use crate::navigation::{NavigatedPage, Page, RootMessage};
 use crate::styling::*;
-use crate::word::WordMessage::*;
+use crate::pages::word::WordMessage::*;
 use iced::widget::button::danger;
 use iced::widget::{button, column, row, rule, scrollable, text, text_input};
 use iced::{Element, Fill, Task};

src/pages/writing.rs

@@ -1,11 +1,11 @@
-use crate::RootMessage;
-use crate::lang::KanaSet;
+
 use crate::navigation::Page::PreviousPage;
-use crate::navigation::{NavigatedPage, Page};
+use crate::navigation::{NavigatedPage, Page, RootMessage};
 use crate::styling::*;
 use iced::widget::*;
 use iced::{Element, Fill, Task, alignment};
 use rand::seq::SliceRandom;
+use crate::core::kana_set::KanaSet;
 
 #[derive(Clone, Debug)]
 pub struct WritingState {

src/styling.rs

@@ -1,4 +1,3 @@
-use crate::repetitions::Style;
 use iced::Element;
 use iced::border::Radius;
 use iced::widget::button::*;