multiple meanings

src-tauri/src/kanji.rs

@@ -1,4 +1,4 @@
-use sqlx::{sqlite::SqliteRow, Row, SqlitePool};
+use sqlx::{sqlite::SqliteRow, Encode, Row, SqlitePool, Type};
 use tauri::State;
 
 pub struct KanjiDb(pub SqlitePool);
@@ -7,15 +7,28 @@ pub struct KanjiDb(pub SqlitePool);
 #[derivative(Default)]
 pub struct GetKanjiOptions {
   #[serde(default)]
+  character: Option<String>,
+
+  #[serde(default = "default_how_many")]
   #[derivative(Default(value = "10"))]
   how_many: u32,
 }
 
+fn default_how_many() -> u32 {
+  10
+}
+
 #[derive(Debug, Serialize, Deserialize)]
 pub struct Kanji {
   character: String,
-  meaning: String,
   most_used_rank: u32,
+  meanings: Vec<KanjiMeaning>,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct KanjiMeaning {
+  id: u32,
+  meaning: String,
 }
 
 #[derive(Debug, Serialize, Deserialize)]
@@ -24,73 +37,97 @@ pub struct GetKanjiResult {
   kanji: Vec<Kanji>,
 }
 
-impl Kanji {
-  fn from_sqlite_row(row: SqliteRow) -> Self {
-    let character = row.get("Character");
-    let meaning = row.get("Meaning");
-    let most_used_rank = row.get("MostUsedRank");
-
-    Kanji {
-      character,
-      meaning,
-      most_used_rank,
-    }
-  }
-}
-
 #[tauri::command]
 pub async fn get_kanji(
   db: State<'_, KanjiDb>,
   options: Option<GetKanjiOptions>,
-) -> Result<GetKanjiResult, ()> {
+) -> Result<GetKanjiResult, String> {
   let opts = options.unwrap_or_default();
+  println!("Options: {:?}", opts);
 
-  let result = sqlx::query(
+  let looking_for_character_clause = match opts.character {
+    None => String::new(),
+    Some(_) => format!(" AND KanjiSet.Character = ?"),
+  };
+
+  let query_string = format!(
     r#"
-      SELECT * FROM KanjiSet
-        LEFT JOIN KanjiMeaningSet ON KanjiSet.ID = KanjiMeaningSet.Kanji_ID
-        GROUP BY KanjiSet.ID
-        HAVING MostUsedRank IS NOT NULL
-        ORDER BY MostUsedRank 
-        LIMIT ?
+      SELECT *, KanjiMeaningSet.ID as KanjiMeaningID
+      FROM (
+        SELECT *
+        FROM KanjiSet
+        WHERE MostUsedRank IS NOT NULL
+          {looking_for_character_clause}
+        ORDER BY MostUsedRank LIMIT ?
+      ) as Kanji
+      JOIN KanjiMeaningSet ON Kanji.ID = KanjiMeaningSet.Kanji_ID
+      ORDER BY MostUsedRank, KanjiMeaningSet.ID
     "#,
-  )
-  .bind(opts.how_many)
-  .fetch_all(&db.0)
-  .await
-  .map_err(|_| ())?;
+  );
 
-  let kanji = result.into_iter().map(Kanji::from_sqlite_row).collect();
+  let mut query = sqlx::query(&query_string);
+
+  // Do all the binds
+
+  if let Some(character) = opts.character {
+    println!("Bind {}", character);
+    query = query.bind(character);
+  }
+
+  println!("Bind {}", opts.how_many);
+  query = query.bind(opts.how_many);
+
+  println!("Query: {query_string}");
+
+  let result = query
+    .fetch_all(&db.0)
+    .await
+    .map_err(|err| err.to_string())?;
+
+  let kanji = {
+    let mut new_vec: Vec<Kanji> = Vec::with_capacity(result.len());
+    let mut last_character: Option<String> = None;
+
+    for row in result {
+      let character: String = row.get("Character");
+      let most_used_rank = row.get("MostUsedRank");
+
+      let meaning = KanjiMeaning {
+        id: row.get("KanjiMeaningID"),
+        meaning: row.get("Meaning"),
+      };
+
+      let same_as = match last_character {
+        Some(ref last_character) if character == *last_character => {
+          Some(new_vec.last_mut().unwrap())
+        }
+        Some(_) => None,
+        None => None,
+      };
+
+      last_character = Some(character.clone());
+
+      if let Some(kanji) = same_as {
+        kanji.meanings.push(meaning);
+      } else {
+        new_vec.push(Kanji {
+          character,
+          most_used_rank,
+          meanings: vec![meaning],
+        });
+      }
+    }
+
+    new_vec
+  };
+
+  println!("Result: {kanji:?}");
 
   let count = sqlx::query("SELECT COUNT(*) FROM KanjiSet")
     .fetch_one(&db.0)
     .await
-    .map_err(|_| ())?;
-  let count = count.try_get(0).map_err(|_| ())?;
+    .map_err(|err| err.to_string())?;
+  let count = count.try_get(0).map_err(|err| err.to_string())?;
 
   Ok(GetKanjiResult { kanji, count })
 }
-
-#[tauri::command]
-pub async fn get_single_kanji(
-  db: State<'_, KanjiDb>,
-  character: String,
-) -> Result<Option<Kanji>, ()> {
-  let result = sqlx::query(
-    r#"
-      SELECT * FROM KanjiSet
-        LEFT JOIN KanjiMeaningSet ON KanjiSet.ID = KanjiMeaningSet.Kanji_ID
-        GROUP BY KanjiSet.ID
-        HAVING MostUsedRank IS NOT NULL
-          AND KanjiSet.Character = ?
-    "#,
-  )
-  .bind(character)
-  .fetch_one(&db.0)
-  .await
-  .map_err(|_| ())?;
-
-  let kanji = Kanji::from_sqlite_row(result);
-
-  Ok(Some(kanji))
-}

src-tauri/src/main.rs

@@ -62,7 +62,6 @@ async fn main() -> Result<()> {
     .invoke_handler(tauri::generate_handler![
       srs::get_srs_stats,
       kanji::get_kanji,
-      kanji::get_single_kanji
     ])
     .on_window_event(|event| match event.event() {
       WindowEvent::CloseRequested { api, .. } => {

src/components/DashboardReviewStats.tsx

@@ -8,12 +8,14 @@ import {
   StatHelpText,
   StatLabel,
   StatNumber,
+  Tooltip,
 } from "@chakra-ui/react";
 import { ArrowRightIcon } from "@chakra-ui/icons";
 import styles from "./DashboardReviewStats.module.scss";
 import useSWR from "swr";
 import { invoke } from "@tauri-apps/api/tauri";
 import { Link } from "react-router-dom";
+import ConditionalWrapper from "../lib/ConditionalWrapper";
 
 interface SrsStats {
   reviews_available: number;
@@ -42,9 +44,11 @@ export default function DashboardReviewStats() {
       </>
     );
 
-  const averageSuccess = srsStats.num_success / (srsStats.num_success + srsStats.num_failure);
+  const averageSuccess = srsStats.num_success / ((srsStats.num_success + srsStats.num_failure) || 1);
   const averageSuccessStr = `${Math.round(averageSuccess * 10000) / 100}%`;
 
+  const canReview = srsStats.reviews_available == 0;
+
   const generateStat = (stat) => {
     return (
       <GridItem>
@@ -63,11 +67,13 @@ export default function DashboardReviewStats() {
           <Stat>
             <StatLabel>reviews available</StatLabel>
             <StatNumber>{srsStats.reviews_available}</StatNumber>
-            <Link to="/srs/review">
-              <Button disabled={srsStats.reviews_available == 0} colorScheme="blue">
-                Start reviewing <ArrowRightIcon marginLeft={3} />
-              </Button>
-            </Link>
+            <ConditionalWrapper condition={canReview} wrapper={children => <Tooltip label="Add items to start reviewing">{children}</Tooltip>}>
+              <Link to="/srs/review">
+                <Button isDisabled={canReview} colorScheme="blue">
+                  Start reviewing <ArrowRightIcon marginLeft={3} />
+                </Button>
+              </Link>
+            </ConditionalWrapper>
           </Stat>
         </GridItem>
 

src/components/KanjiDisplay.tsx

@@ -3,8 +3,8 @@ import { GetKanjiResult } from "../panes/KanjiPane";
 import { Kanji } from "../types/Kanji";
 import styles from "./KanjiDisplay.module.scss";
 import useSWR from "swr";
-
-type GetSingleKanjiResult = Kanji;
+import { Button } from "@chakra-ui/button";
+import { AddIcon } from "@chakra-ui/icons";
 
 interface KanjiDisplayProps {
   kanjiCharacter: string;
@@ -12,20 +12,33 @@ interface KanjiDisplayProps {
 
 export default function KanjiDisplay({ kanjiCharacter }: KanjiDisplayProps) {
   const {
-    data: kanji,
+    data: kanjiResult,
     error,
     isLoading,
-  } = useSWR(["get_single_kanji", kanjiCharacter], ([command, character]) =>
-    invoke<GetSingleKanjiResult>(command, { character }),
+  } = useSWR(["get_kanji", kanjiCharacter], ([command, character]) =>
+    invoke<GetKanjiResult>(command, { options: { character } }),
   );
 
-  if (!kanji) return <>Loading...</>;
+  if (!kanjiResult || !kanjiResult.kanji) return <>
+    {JSON.stringify([kanjiResult, error, isLoading])}
+    Loading...
+  </>;
+
+  const kanji = kanjiResult.kanji[0];
+
+  const addSrsItem = () => {
+
+  };
 
   return (
     <>
       <div className={styles.display}>{kanji.character}</div>
 
-      {kanji.meaning}
+      {kanji.meanings.map(m => m.meaning).join(", ")}
+
+      <Button onClick={addSrsItem} colorScheme="green">
+        <AddIcon /> Add to SRS
+      </Button>
     </>
   );
 }

src/lib/ConditionalWrapper.tsx

@@ -0,0 +1,3 @@
+export default function ConditionalWrapper({ condition, wrapper, children }) {
+  return condition ? wrapper(children) : children
+}

src/panes/KanjiPane.tsx

@@ -39,7 +39,7 @@ function KanjiList({ data, selectedCharacter }: KanjiListProps) {
                 <GridItem rowSpan={2} style={{ fontSize: "24px", textAlign: "center" }}>
                   {kanji.character}
                 </GridItem>
-                <GridItem>{kanji.meaning}</GridItem>
+                <GridItem>{kanji.meanings[0].meaning}</GridItem>
                 <GridItem>
                   <small>
                     #{kanji.most_used_rank} most used

src/types/Kanji.ts

@@ -1,5 +1,10 @@
 export interface Kanji {
   character: string;
-  meaning: string;
   most_used_rank: number;
+  meanings: KanjiMeaning[];
+}
+
+export interface KanjiMeaning {
+  id: number;
+  meaning: string;
 }