add downloader

src-core/examples/remove_one_yomitan_dict.rs

@@ -10,7 +10,7 @@ fn main() -> Result<(), anyhow::Error> {
     {
         let _timer = Timer::new("remove one".to_string());
         let mut writer = service.get_yomitan_writer()?;
-        AppService::remove_yomitan_dictionary(&mut writer, "JMnedict")?;
+        AppService::remove_yomitan_dictionary(&mut writer, "JMnedict.zip", "ja")?;
     }
 
     Ok(())

src-core/src/db/yomitan_writer.rs

@@ -339,7 +339,7 @@ impl YomitanWriter {
             if let Some(row) = rows.next()? {
                 let is_outdated: bool = row.get(0)?;
                 if is_outdated {
-                    self.drop_dictionary(title)?;
+                    self.drop_dictionary(bundle_name, lang)?;
                 } else {
                     return Ok(YomitanZipImportResult {
                         exists: true,
@@ -608,9 +608,11 @@ impl YomitanWriter {
         })
     }
 
-    pub fn drop_dictionary(&self, title: &str) -> Result<()> {
-        self.conn
-            .execute("DELETE FROM dictionaries WHERE title = ?1", [title])?;
+    pub fn drop_dictionary(&self, bundle_name: &str, lang: &str) -> Result<()> {
+        self.conn.execute(
+            "DELETE FROM dictionaries WHERE bundle_name = ?1 AND lang = ?2",
+            [bundle_name, lang],
+        )?;
 
         Ok(())
     }

src-core/src/error.rs

@@ -25,6 +25,9 @@ pub enum CJDicError {
 
     #[error("Not found")]
     NotFound,
+
+    #[error("Error: {0}")]
+    Error(String),
 }
 
 impl From<rusqlite::Error> for CJDicError {

src-core/src/service.rs

@@ -228,8 +228,9 @@ impl AppService {
 
     pub fn remove_yomitan_dictionary(
         writer: &mut YomitanWriter,
-        title: &str,
+        bundle_name: &str,
+        lang: &str,
     ) -> Result<(), CJDicError> {
-        Ok(writer.drop_dictionary(title)?)
+        Ok(writer.drop_dictionary(bundle_name, lang)?)
     }
 }