Cleanup and format

src/data/entities.rs

@@ -1,10 +1,9 @@
 use crate::app::AppState;
 use crate::core::srs::{FADE_PER_DAY, MAX_SCORE, OrderMode, WordOpenMode};
 use crate::data::{INVALID_ID, Id};
-use chrono::{DateTime, Local, NaiveDate, Utc};
-use fsrs::{FSRS, MemoryState};
+use chrono::{DateTime, NaiveDate, Utc};
+use fsrs::MemoryState;
 use log::info;
-use rand::{RngExt, random, rng};
 use rayon::prelude::*;
 use rhai::{Engine, Scope};
 use std::collections::HashMap;
@@ -162,29 +161,6 @@ impl CardStatistics {
         self.last_open = Utc::now();
     }
 
-    pub fn update_fsrs(&mut self, status: WordOpenMode, by_fsrs: bool, fsrs: FSRS)
-    {
-        let today = Local::now().date_naive().to_epoch_days();
-        let written = self.fsrs_opened.to_epoch_days();
-        let memory = fsrs
-            .next_states(self.fsrs_memory, 0.9, (today - written) as u32)
-            .expect("Wrong next stage calculation");
-        let next = match status {
-            WordOpenMode::Easy => memory.easy,
-            WordOpenMode::Ok => memory.good,
-            WordOpenMode::Hard => memory.hard,
-            WordOpenMode::None => memory.again,
-        };
-
-        let mut next_day = today + next.interval.round() as i32;
-        if next_day - today >= 5 {
-            let offset = ((rng().random::<f32>() - 0.5) * 3.0).round() as i32;
-            next_day += offset;
-        }
-        self.fsrs_memory = Some(next.memory);
-        self.fsrs_open_day = NaiveDate::from_epoch_days(next_day).unwrap();
-        self.fsrs_opened = self.last_open.date_naive();
-    }
     pub fn calculated_score(&self) -> f32 {
         let time = Utc::now() - self.last_open;
         let days = time.num_days();