App is building

src/data/entities.rs

@@ -1,6 +1,6 @@
 use crate::core::srs::{FADE_PER_DAY, MAX_SCORE, WordOpenMode};
 use crate::data::{INVALID_ID, Id};
-use chrono::{DateTime, NaiveDate, Utc};
+use chrono::{DateTime, Local, NaiveDate, Utc};
 use fsrs::MemoryState;
 use litemap::LiteMap;
 use log::info;
@@ -8,7 +8,9 @@ use rhai::Engine;
 use std::cmp::Ordering;
 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 {
@@ -63,7 +65,7 @@ impl WordData {
 pub struct HistoryNote {
     pub id: Id,
     pub timestamp: DateTime<Utc>,
-    pub set_id: Id,
+    pub deck_id: Id,
     pub word_id: Id,
     pub answer: WordOpenMode,
     pub before: u8,
@@ -81,6 +83,30 @@ 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 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{
+                    count += 1;
+                }
+                else {
+                    counts.push((date, count));
+                    date = current_date;
+                    count = 0;
+                }
+            }
+        }
+        counts
+    }
+}
+
 #[derive(Clone)]
 pub struct DeckSettings {
     pub id: Id,