Fixing some code problems

src/data_provider/card_stats.rs

@@ -1,5 +1,5 @@
 use crate::lang::{CardStatistics, DeckSettings};
-use rusqlite::Connection;
+use rusqlite::{params, Connection};
 use std::time::Instant;
 
 pub fn load_stats_of_deck(set: &DeckSettings, connection: &Connection) -> Vec<CardStatistics> {
@@ -26,67 +26,41 @@ pub fn load_stats_of_deck(set: &DeckSettings, connection: &Connection) -> Vec<Ca
     buffer
 }
 
-pub fn add_stat_list(stat: &mut [CardStatistics], connection: &Connection) {
+pub fn add_stat_list(stats: &mut [CardStatistics], connection: &mut Connection) {
     let time = Instant::now();
-    let inserting = stat
-        .iter()
-        .map(|stat| {
-            format!(
-                "({}, {}, {}, {})",
+    let tx = connection.transaction().unwrap();
+    let count = stats.len();
+
+    {
+        let mut stmt = tx
+            .prepare(
+                "INSERT INTO card_stats (word_id, set_id, score, last_opened) VALUES (?1, ?2, ?3, ?4)",
+            )
+            .unwrap();
+
+        for stat in stats.iter() {
+            stmt.execute(params![
                 stat.word_id,
                 stat.set_id,
                 stat.score,
                 stat.last_open.timestamp()
-            )
-        })
-        .collect::<Vec<_>>()
-        .join(", ");
-    let query = format!(
-        "INSERT INTO card_stats (word_id, set_id, score, last_opened) VALUES {}",
-        inserting
-    );
-    let count = connection.execute(query.as_str(), ());
-
-    if count.is_err() {
-        return;
+            ])
+                .unwrap();
+        }
     }
 
-    let last_index: u32 = connection
-        .query_one(
-            "SELECT seq from sqlite_sequence WHERE name == ?1",
-            ("card_stats".to_string(),),
-            |row| row.get(0),
-        )
-        .unwrap();
+    let last_index: u32 = tx.last_insert_rowid() as u32;
+    tx.commit().unwrap();
 
-    let start_index = last_index - (stat.len() as u32) + 1;
+    let start_index = last_index - (count as u32) + 1;
 
     for (index, id) in (start_index..=last_index).enumerate() {
-        stat[index].id = id.into();
+        stats[index].id = id.into();
     }
 
-    println!("Added {} cards for {:?}", stat.len(), time.elapsed());
+    println!("Added {} cards for {:?}", stats.len(), time.elapsed());
 }
 
-// pub fn add_stat(stat: &mut CardStatistics, connection: &Connection) {
-//     let time = Instant::now();
-//     let index = connection
-//         .query_row(
-//             "INSERT INTO card_stats (word_id, set_id, score, last_opened) VALUES (?1, ?2, ?3, ?4) RETURNING id",
-//             (
-//                 &stat.word_id,
-//                 &stat.set_id,
-//                 &stat.score,
-//                 &stat.last_open.timestamp(),
-//             ),
-//             |row| row.get(0)
-//         )
-//         .unwrap_or_else(|e| {println!("{}", e); 0});
-//
-//     stat.id = index;
-//     println!("Added stat: {}", time.elapsed().as_millis());
-// }
-
 pub fn update_stat_score(stat: &CardStatistics, connection: &Connection) {
     let time = Instant::now();
 

src/data_provider/words.rs

@@ -46,15 +46,9 @@ pub fn add_words(words: &mut [WordData], connection: &mut Connection) {
         }
     }
 
+    let last_index: u32 = tx.last_insert_rowid() as u32;
     tx.commit().unwrap();
 
-    let last_index: u32 = connection
-        .query_one(
-            "SELECT seq from sqlite_sequence WHERE name == ?1",
-            ("words".to_string(),),
-            |row| row.get(0),
-        )
-        .unwrap();
 
     let start_index = last_index - (count as u32) + 1;
 

src/helpers.rs

@@ -1 +0,0 @@
-

src/lang.rs

@@ -452,7 +452,7 @@ impl DeckData {
             HistoryItem {
                 timestamp: Utc::now(),
                 word_id: word.word_id.into(),
-                mode: WordOpenMode::Easy,
+                mode: status,
                 before: old_score,
                 after: new_score,
             },

src/main.rs

@@ -2,7 +2,6 @@
 mod data_provider;
 mod dictionary;
 mod dictionary_test;
-pub mod helpers;
 mod history;
 pub mod import;
 mod lang;

src/quiz.rs

@@ -54,7 +54,7 @@ impl NavigatedPage<QuizMessage> for QuizState {
                     self.update_showed()
                 }
             }
-            Back => todo!(),
+            Back => {},
         }
         Task::none()
     }

src/repetitions.rs

@@ -47,7 +47,7 @@ impl NavigatedPage<RepetitionsMessage> for RepetitionsState {
 
             let selected_set = self.selected_deck_mut().unwrap();
             if selected_set.append_mode == AppendMode::Full {
-                Self::append_all_words(&clone.lock().unwrap(), selected_set);
+                Self::append_all_words(&mut clone.lock().unwrap(), selected_set);
                 selected_set.existing_words_indices = selected_set.available_words_indices.clone();
             } else {
                 if selected_set
@@ -220,8 +220,8 @@ impl NavigatedPage<RepetitionsMessage> for RepetitionsState {
                 }
 
                 let deck = self.selected_deck().unwrap();
-                let state = self.state.lock().unwrap();
-                Self::append_words(&state, &deck.general_settings, adding.into_iter());
+                let mut state = self.state.lock().unwrap();
+                Self::append_words(&mut state, &deck.general_settings, adding.into_iter());
             }
         }
         Task::none()
@@ -565,7 +565,7 @@ impl RepetitionsState {
 }
 
 impl RepetitionsState {
-    fn append_all_words(state: &AppState, deck: &DeckViewData) {
+    fn append_all_words(state: &mut AppState, deck: &DeckViewData) {
         let existing = deck.existing_words_indices.as_ref().unwrap();
         let mut created_set = HashSet::with_capacity(existing.len());
         existing.iter().for_each(|c| {
@@ -580,7 +580,7 @@ impl RepetitionsState {
             .cloned();
         Self::append_words(state, deck, required);
     }
-    fn append_words(state: &AppState, deck: &DeckSettings, indices: impl Iterator<Item = usize>) {
+    fn append_words(state: &mut AppState, deck: &DeckSettings, indices: impl Iterator<Item = usize>) {
         let words = &state.dictionary;
         let stats = &mut indices
             .map(|i| {
@@ -596,7 +596,7 @@ impl RepetitionsState {
             .collect::<Vec<_>>();
 
         if !stats.is_empty() {
-            add_stat_list(stats, &state.connection);
+            add_stat_list(stats, &mut state.connection);
         }
     }
 

src/writing.rs

@@ -30,7 +30,7 @@ impl NavigatedPage<WritingMessage> for WritingState {
     fn navigated(&mut self) {}
     fn update(&mut self, message: WritingMessage) -> Task<RootMessage> {
         match message {
-            WritingMessage::Back => todo!(),
+            WritingMessage::Back => {},
             WritingMessage::Next => self.next(),
             WritingMessage::SwitchShowMode(b) => self.show_all = b,
         }