slight re factor ing

src/app_logic.rs

@@ -34,21 +34,17 @@ impl AppThread {
         *state = s;
     }
 
-    fn get_key(&mut self, reason: String) -> anyhow::Result<()> {
+    fn get_key(&mut self, reason: String) -> anyhow::Result<Vec<u8>> {
         self.commit(UiState::KeyRequired(reason));
         loop {
             match self.ui_event_channel.recv()? {
                 UiEvent::SetKey(key) => {
-                    self.decryption_key = key;
-                    break
+                    self.commit(UiState::Loading);
+                    return Ok(key);
                 }
                 _ => {}
             }
         }
-
-        self.commit(UiState::Loading);
-
-        Ok(())
     }
 
     pub fn create(state_holder: &UiStateHolder, context: &egui::Context, ui_event_channel: &Receiver<UiEvent>) -> AppThread {
@@ -64,12 +60,16 @@ impl AppThread {
         self.commit(UiState::Loading);
 
         let mut config_provider = config::ConfigProvider::new()?;
-        println!("{:?}", config_provider);
-
-        match omori_locator::get_omori_key() {
-            Ok(key) => self.decryption_key = key,
-            Err(reason) => self.get_key(format!("{:?}", reason))?,
-        }
+        
+        self.decryption_key = match config_provider.get_key() {
+            Some(key) => key,
+            None => match omori_locator::get_omori_key() {
+                Ok(key) => key,
+                Err(reason) => self.get_key(format!("{:#}", reason))?,
+            }
+        };
+        
+        config_provider.set_key(&self.decryption_key)?;
 
         Ok(())
     }
@@ -77,7 +77,7 @@ impl AppThread {
     pub fn main(&mut self) {
         match self.real_main() {
             Ok(_) => {},
-            Err(e) => self.commit(UiState::Error(format!("{:?}", e))),
+            Err(e) => self.commit(UiState::Error(format!("{:#}", e))),
         }
     }
 }