Fix array access

src/player.rs

@@ -15,7 +15,7 @@ macro_rules! check_option {
     ($v:expr) => {
         match $v {
             Some(t) => t,
-            None => return (),
+            None => return,
         }
     };
 }
@@ -69,12 +69,18 @@ impl MediaData {
                 let audio = song_lock.lock();
 
                 if audio.finished {
-                    Self::next_song(
+                    if !Self::next_song(
                         song,
                         media_clone.playlist.borrow_mut().deref_mut(),
                         channel_id,
                         &manager_clone,
-                    )
+                    ) {
+                        manager_clone
+                            .lock()
+                            .remove(check_option!(guild_id(channel_id)));
+
+                        return;
+                    }
                 }
 
                 continue;
@@ -94,6 +100,8 @@ impl MediaData {
                         "Playing song: {}",
                         super::youtube::convert_file_name(first.name)
                     )));
+                } else {
+                    return;
                 }
             }
 
@@ -109,19 +117,32 @@ impl MediaData {
         manager_lock: &Arc<
             serenity::prelude::Mutex<serenity::client::bridge::voice::ClientVoiceManager>,
         >,
-    ) {
+    ) -> bool {
         let mut manager = manager_lock.lock();
 
-        if let Some(handler) = handler(check_option!(guild_id(channel_id)), &mut manager) {
-            let first = playlist.remove(0);
+        let guild_id = match guild_id(channel_id) {
+            Some(id) => id,
+            None => return false,
+        };
 
-            *song = handler.play_returning(first.source);
+        if let Some(handler) = handler(guild_id, &mut manager) {
+            if playlist.is_empty() {
+                return false;
+            } else {
+                let first = playlist.remove(0);
 
-            super::check_msg(channel_id.say(format!(
-                "Playing song: {}",
-                super::youtube::convert_file_name(first.name)
-            )));
+                *song = handler.play_returning(first.source);
+
+                super::check_msg(channel_id.say(format!(
+                    "Playing song: {}",
+                    super::youtube::convert_file_name(first.name)
+                )));
+
+                return true;
+            }
         }
+
+        return false;
     }
 }
 
@@ -214,7 +235,10 @@ impl serenity::framework::standard::Command for Pause {
         _: serenity::framework::standard::Args,
     ) -> ::std::result::Result<(), serenity::framework::standard::CommandError> {
         if let Some(song) = self.media.current_song.borrow_mut().deref_mut() {
-            //song.pause();
+            let song_clone = song.clone();
+            let mut audio_lock = song_clone.lock();
+
+            audio_lock.pause();
         }
 
         Ok(())