Use is_valid for Id

src/navigation.rs

@@ -7,6 +7,7 @@ use crate::dictionary::{DictionaryMessage, DictionaryState, app_data_dir};
 use crate::dictionary_test::{DictionaryQuizMessage, DictionaryQuizState};
 use crate::history::{HistoryMessage, HistoryState};
 use crate::import::{ImportMessage, ImportState};
+use crate::lang::Id;
 use crate::message_navigation;
 use crate::navigation::Page::*;
 use crate::navigation::RootMessage::{DataLoaded, Keyboard, UpdateData};
@@ -24,14 +25,13 @@ use crate::word::{WordMessage, WordState};
 use crate::writing::{WritingMessage, WritingState};
 use crate::{AppState, fill_state};
 use chrono::NaiveDate;
+use hashbrown::HashMap;
 use iced::keyboard::Event;
 use iced::{Element, Task};
 use reqwest::Error;
-use hashbrown::HashMap;
+use rusqlite::Connection;
 use std::sync::{Arc, Mutex};
 use std::time::Instant;
-use rusqlite::Connection;
-use crate::lang::Id;
 
 impl Default for ScreenState {
     fn default() -> Self {
@@ -127,7 +127,7 @@ impl ScreenState {
         for file in directory.read_dir().unwrap().flatten() {
             let mut vec = vec![];
             let history_file_name = file.file_name().into_string().unwrap();
-            let id : Id = history_file_name[4..history_file_name.len() - 12]
+            let id: Id = history_file_name[4..history_file_name.len() - 12]
                 .parse::<Id>()
                 .unwrap();
 
@@ -172,7 +172,7 @@ impl ScreenState {
         if let UpdateData = message {
             println!("Loading data");
             let mut state = self.app_state.lock().unwrap();
-            if cfg!(windows){
+            if cfg!(windows) {
                 state.connection = Connection::open_in_memory().unwrap();
             }
             let path = app_data_dir();