Start implementing controller thread for playlist

src/main.rs

@@ -26,7 +26,9 @@ use serenity::{
 // This imports `typemap`'s `Key` as `TypeMapKey`.
 use serenity::prelude::*;
 
-use std::sync::Arc;
+use std::sync::{Arc, Mutex};
+use std::thread;
+use std::time::Duration;
 
 use player::prelude::*;
 use std::collections::HashSet;
@@ -103,15 +105,17 @@ fn main() -> VerboseResult<()> {
 
     let mut client = Client::new(&config.token, Handler).expect("Err creating client");
 
+    let media_data = Arc::new(Mutex::new(
+        MediaData::new("Penis1", Arc::clone(&client.voice_manager), config.volume)
+            .expect("failed to create media data handle"),
+    ));
+
     // Obtain a lock to the data owned by the client, and insert the client's
     // voice manager into it. This allows the voice manager to be accessible by
     // event handlers and framework commands.
     {
         let mut data = client.data.write();
-        data.insert::<Media>(
-            MediaData::new("Penis1", Arc::clone(&client.voice_manager), config.volume)
-                .expect("failed to create media data handle"),
-        );
+        data.insert::<Media>(media_data.clone());
     }
 
     // We will fetch your bot's owners and id
@@ -143,6 +147,29 @@ fn main() -> VerboseResult<()> {
             .help(&MY_HELP),
     );
 
+    thread::spawn(move || loop {
+        {
+            let mut media_lock = media_data.lock().unwrap();
+
+            // check if there is a song currently being played
+            let mut is_playing = false;
+
+            if let Some(song) = media_lock.song() {
+                let song_lock = song.lock();
+
+                if !song_lock.finished {
+                    is_playing = true;
+                }
+            }
+
+            if !is_playing {
+                MediaData::next_song(&mut media_lock).unwrap();
+            }
+        }
+
+        thread::sleep(Duration::from_millis(1500));
+    });
+
     let _ = client
         .start()
         .map_err(|why| println!("Client ended: {:?}", why));

src/player/commands/list.rs

@@ -24,7 +24,9 @@ fn list(ctx: &mut Context, msg: &Message, _: Args) -> CommandResult {
         }
     };
 
-    let playlist = media.playlist();
+    let media_lock = media.lock().unwrap();
+
+    let playlist = media_lock.playlist();
 
     output += &format!(
         "{} {} queued\n",

src/player/commands/pause.rs

@@ -24,7 +24,9 @@ fn pause(ctx: &mut Context, msg: &Message, _: Args) -> CommandResult {
         }
     };
 
-    if let Some(song) = media.song() {
+    let media_lock = media.lock().unwrap();
+
+    if let Some(song) = media_lock.song() {
         let mut lock = song.lock();
         lock.pause();
     }

src/player/commands/play.rs

@@ -29,8 +29,10 @@ fn play(ctx: &mut Context, msg: &Message, mut args: Args) -> CommandResult {
         }
     };
 
+    let mut media_lock = media.lock().unwrap();
+
     if args.len() == 0 {
-        if !check_for_continue(media.song_mut()) {
+        if !check_for_continue(media_lock.song_mut()) {
             msg.channel_id
                 .say(&ctx.http, "Must provide a URL to a video or audio")?;
         }
@@ -38,9 +40,9 @@ fn play(ctx: &mut Context, msg: &Message, mut args: Args) -> CommandResult {
         let first_arg = args.current().unwrap();
 
         if first_arg == "--local" {
-            handle_local_request(media, ctx, msg)?;
+            handle_local_request(&mut media_lock, ctx, msg)?;
         } else if first_arg.starts_with("http") {
-            handle_http_request(media, ctx, msg, first_arg)?;
+            handle_http_request(&mut media_lock, ctx, msg, first_arg)?;
         } else {
             let mut arg_list = args.single::<String>()?;
 
@@ -48,7 +50,7 @@ fn play(ctx: &mut Context, msg: &Message, mut args: Args) -> CommandResult {
                 arg_list += &format!(" {}", arg?.trim());
             }
 
-            handle_song_request(media, ctx, msg, &arg_list)?
+            handle_song_request(&mut media_lock, ctx, msg, &arg_list)?
         }
     }
 

src/player/commands/remove.rs

@@ -23,8 +23,10 @@ fn remove(ctx: &mut Context, msg: &Message, _: Args) -> CommandResult {
         }
     };
 
-    let song_name = media.song_name();
-    let sql = media.db();
+    let media_lock = media.lock().unwrap();
+
+    let song_name = media_lock.song_name();
+    let sql = media_lock.db();
 
     if let Err(_) = sql.execute("DELETE FROM Vulva3 WHERE name = ?", params![song_name]) {
         return Err(serenity::framework::standard::CommandError(

src/player/commands/skip.rs

@@ -19,21 +19,23 @@ fn skip(ctx: &mut Context, msg: &Message, _: Args) -> CommandResult {
     let mut data = ctx.data.write();
 
     if let Some(media) = data.get_mut::<Media>() {
-        let voice_manager = media.voice_manager.clone();
+        let mut media_lock = media.lock().unwrap();
+
+        let voice_manager = media_lock.voice_manager.clone();
         let mut manager = voice_manager.lock();
 
         let guild_id = guild_id(ctx, msg)?;
 
         if let Some(handler) = handler(guild_id, &mut manager) {
             // if current song is the last song in this playlist, just return
-            if media.playlist().is_empty() {
+            if media_lock.playlist().is_empty() {
                 msg.channel_id
                     .say(&ctx.http, "playlist is empty, no next song available")?;
 
                 return Ok(());
             } else {
                 // remove the current song from the playlist
-                let first = media.playlist_mut().remove(0);
+                let first = media_lock.playlist_mut().remove(0);
 
                 // stop the current song from playing
                 handler.stop();
@@ -42,30 +44,15 @@ fn skip(ctx: &mut Context, msg: &Message, _: Args) -> CommandResult {
                 let source = match ffmpeg(first.name.clone()) {
                     Ok(mpeg) => mpeg,
                     Err(_) => {
-                        media.playlist_mut().clear();
-                        *media.song_mut() = None;
+                        media_lock.playlist_mut().clear();
+                        *media_lock.song_mut() = None;
 
                         return Ok(());
                     }
                 };
 
-                // start the next song if possible
-                /*
-                match self.media.next_callback.borrow().as_ref() {
-                    Some(callback) => {
-                        *song = Some(handler.play_returning_and_callback(source, callback.clone()));
-                        let song_name = self.media.name_mut()?;
-                        *song_name.borrow_mut() = first.name.clone();
-
-                        print_error!(msg
-                            .channel_id
-                            .say(format!("Skipped current song, now playing: {}", first.name)));
-                    }
-                    None => println!("error getting callback from media"),
-                }
-                */
-                *media.song_mut() = Some(handler.play_returning(source));
-                *media.song_name_mut() = first.name.clone();
+                *media_lock.song_mut() = Some(handler.play_returning(source));
+                *media_lock.song_name_mut() = first.name.clone();
 
                 msg.channel_id.say(
                     &ctx.http,

src/player/commands/stop.rs

@@ -22,7 +22,9 @@ fn stop(ctx: &mut Context, msg: &Message, _: Args) -> CommandResult {
         }
     };
 
-    media.reset(ctx, msg)?;
+    let mut media_lock = media.lock().unwrap();
+
+    media_lock.reset(ctx, msg)?;
 
     Ok(())
 }

src/player/mediadata.rs

@@ -7,7 +7,7 @@ use serenity::voice::LockedAudio;
 use parking_lot::lock_api::{MutexGuard, RawMutex};
 use serenity::client::bridge::voice::ClientVoiceManager;
 use serenity::prelude::Mutex;
-use std::sync::Arc;
+use std::sync::{Arc, Mutex as StdMutex};
 
 use super::prelude::*;
 
@@ -27,7 +27,6 @@ pub struct MediaData {
     playlist: Vec<Song>,
     current_song: Option<LockedAudio>,
     song_name: String,
-    pub next_callback: Option<Arc<dyn Fn() -> ()>>,
 
     sql_data_base: Connection,
 
@@ -64,7 +63,6 @@ impl MediaData {
             playlist: Vec::new(),
             current_song: None,
             song_name: String::new(),
-            next_callback: None,
 
             sql_data_base: connection,
 
@@ -80,7 +78,6 @@ impl MediaData {
         self.playlist.clear();
         self.current_song = None;
         self.song_name = String::new();
-        self.next_callback = None;
 
         let mut manager = self.voice_manager.lock();
 
@@ -293,5 +290,5 @@ unsafe impl Sync for MediaData {}
 pub struct Media;
 
 impl TypeMapKey for Media {
-    type Value = MediaData;
+    type Value = Arc<StdMutex<MediaData>>;
 }

src/player/player.rs

@@ -62,7 +62,8 @@ pub fn channel_contains_author(
     };
 
     if let Some(media) = ctx.data.read().get::<Media>() {
-        let manager = media.voice_manager.lock();
+        let media_lock = media.lock().unwrap();
+        let manager = media_lock.voice_manager.lock();
 
         if let Some(handler) = manager.get(guild_id) {
             // check if the bot is in a channel