Handle missing audio file and, fix logic error

src/lib.rs

@@ -24,12 +24,13 @@ pub mod pomodoro {
         }
 
         pub fn play(&self) {
+            if self.path.exists() {
                 let file = File::open(self.path).unwrap();
                 let source = Decoder::new(BufReader::new(file)).unwrap();
-
                 rodio::play_raw(self.device, source.convert_samples());
             }
         }
+    }
 
     #[derive(Copy, Clone, Debug)]
     pub enum State {
@@ -180,7 +181,7 @@ pub mod pomodoro {
 
             match elapsed {
                 Some(duration) => {
-                    let remaining = (status.length.as_secs() * 60) - duration.as_secs();
+                    let remaining = status.length.as_secs() - duration.as_secs();
 
                     let seconds = remaining;
                     let hours = seconds / 3600;