Code cleanup

src/data/entities.rs

@@ -1,5 +1,6 @@
 use crate::core::srs::{FADE_PER_DAY, MAX_SCORE, WordOpenMode};
 use crate::data::{INVALID_ID, Id};
+use crate::data_provider::history::HistoryRepositoryInner;
 use chrono::{DateTime, Local, NaiveDate, Utc};
 use fsrs::MemoryState;
 use litemap::LiteMap;
@@ -10,7 +11,6 @@ use std::hash::{Hash, Hasher};
 use std::marker::PhantomData;
 use std::sync::Arc;
 use std::time::Instant;
-use crate::data_provider::history::{HistoryRepository, HistoryRepositoryInner};
 
 #[derive(Clone, Debug)]
 pub struct WordData {
@@ -70,7 +70,7 @@ pub struct HistoryNote {
     pub answer: WordOpenMode,
     pub before: u8,
     pub after: u8,
-    pub fsrs: bool
+    pub fsrs: bool,
 }
 
 impl EntityData for HistoryNote {
@@ -86,17 +86,16 @@ impl EntityData for HistoryNote {
 impl HistoryRepositoryInner {
     pub fn activity_of_deck(&self, id: Id) -> Vec<(NaiveDate, u32)> {
         let mut query = self.query(Arc::new(move |note| note.deck_id == id));
-        let values = query.iter(&self).collect::<Vec<_>>();
+        let values = query.iter(self).collect::<Vec<_>>();
         let mut counts = vec![];
         if !values.is_empty() {
             let mut date = values[0].timestamp.with_timezone(&Local).date_naive();
             let mut count = 0;
             for note in values {
                 let current_date = note.timestamp.with_timezone(&Local).date_naive();
-                if date ==  current_date{
+                if date == current_date {
                     count += 1;
-                }
-                else {
+                } else {
                     counts.push((date, count));
                     date = current_date;
                     count = 0;
@@ -209,14 +208,9 @@ pub struct EntityHandle<E> {
 }
 
 impl<T> Clone for EntityHandle<T> {
-    fn clone(&self) -> Self {
-        EntityHandle {
-            id: self.id,
-            index: self.index,
-            _phantom: Default::default(),
-        }
-    }
+    fn clone(&self) -> Self { *self }
 }
+
 impl<T> Copy for EntityHandle<T> {}
 impl<T> EntityHandle<T> {
     pub fn new(id: Id, index: usize, real: bool) -> Self {