Migrate to Id type

src/navigation.rs

@@ -31,6 +31,7 @@ use hashbrown::HashMap;
 use std::sync::{Arc, Mutex};
 use std::time::Instant;
 use rusqlite::Connection;
+use crate::lang::Id;
 
 impl Default for ScreenState {
     fn default() -> Self {
@@ -60,7 +61,7 @@ pub enum RootMessage {
     RepetitionSettings(RepetitionSettingsMessage),
     Import(ImportMessage),
     Keyboard(Event),
-    DataLoaded(HashMap<u32, Vec<(NaiveDate, u32)>>),
+    DataLoaded(HashMap<Id, Vec<(NaiveDate, u32)>>),
     None,
     UpdateData,
 }
@@ -126,9 +127,9 @@ 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 = history_file_name[4..history_file_name.len() - 12]
+            let id : Id = history_file_name[4..history_file_name.len() - 12]
                 .parse::<u32>()
-                .unwrap();
+                .unwrap().into();
 
             let history = get_history_of_set(id);
             let by_date = history.chunk_by(|x, x1| {