Expose a client voice manager

1 files changed, 117 insertions, 0 deletions

diff --git a/src/client/bridge/voice/mod.rs b/src/client/bridge/voice/mod.rs
new file mode 100644
index 0000000..e67366b
--- /dev/null
+++ b/src/client/bridge/voice/mod.rs
@@ -0,0 +1,117 @@
+use gateway::InterMessage;
+use std::collections::HashMap;
+use std::sync::mpsc::Sender as MpscSender;
+use ::model::id::{ChannelId, GuildId, UserId};
+use ::voice::{Handler, Manager};
+use ::utils;
+
+pub struct ClientVoiceManager {
+    managers: HashMap<u64, Manager>,
+    shard_count: u64,
+    user_id: UserId,
+}
+
+impl ClientVoiceManager {
+    pub fn new(shard_count: u64, user_id: UserId) -> Self {
+        Self {
+            managers: HashMap::default(),
+            shard_count,
+            user_id,
+        }
+    }
+
+    pub fn get<G: Into<GuildId>>(&self, guild_id: G) -> Option<&Handler> {
+        let (gid, sid) = self.manager_info(guild_id);
+
+        self.managers.get(&sid)?.get(gid)
+    }
+
+    pub fn get_mut<G: Into<GuildId>>(&mut self, guild_id: G)
+        -> Option<&mut Handler> {
+        let (gid, sid) = self.manager_info(guild_id);
+
+        self.managers.get_mut(&sid)?.get_mut(gid)
+    }
+
+    /// Refer to [`Manager::join`].
+    ///
+    /// This is a shortcut to retrieving the inner [`Manager`] and then calling
+    /// its `join` method.
+    ///
+    /// [`Manager`]: ../../../voice/struct.Manager.html
+    /// [`Manager::join`]: ../../../voice/struct.Manager.html#method.join
+    pub fn join<C, G>(&mut self, guild_id: G, channel_id: C)
+        -> Option<&mut Handler> where C: Into<ChannelId>, G: Into<GuildId> {
+        let (gid, sid) = self.manager_info(guild_id);
+
+        self.managers.get_mut(&sid).map(|manager| manager.join(gid, channel_id))
+    }
+
+    /// Refer to [`Manager::leave`].
+    ///
+    /// This is a shortcut to retrieving the inner [`Manager`] and then calling
+    /// its `leave` method.
+    ///
+    /// [`Manager`]: ../../../voice/struct.Manager.html
+    /// [`Manager::leave`]: ../../../voice/struct.Manager.html#method.leave
+    pub fn leave<G: Into<GuildId>>(&mut self, guild_id: G) -> Option<()> {
+        let (gid, sid) = self.manager_info(guild_id);
+
+        self.managers.get_mut(&sid).map(|manager| manager.leave(gid))
+    }
+
+    /// Refer to [`Manager::remove`].
+    ///
+    /// This is a shortcut to retrieving the inner [`Manager`] and then calling
+    /// its `remove` method.
+    ///
+    /// [`Manager`]: ../../../voice/struct.Manager.html
+    /// [`Manager::remove`]: ../../../voice/struct.Manager.html#method.remove
+    pub fn remove<G: Into<GuildId>>(&mut self, guild_id: G) -> Option<()> {
+        let (gid, sid) = self.manager_info(guild_id);
+
+        self.managers.get_mut(&sid).map(|manager| manager.leave(gid))
+    }
+
+    pub fn set(&mut self, shard_id: u64, sender: MpscSender<InterMessage>) {
+        self.managers.insert(shard_id, Manager::new(sender, self.user_id));
+    }
+
+    /// Sets the number of shards for the voice manager to use when calculating
+    /// guilds' shard numbers.
+    ///
+    /// You probably should not call this.
+    #[doc(hidden)]
+    pub fn set_shard_count(&mut self, shard_count: u64) {
+        self.shard_count = shard_count;
+    }
+
+    /// Sets the ID of the user for the voice manager.
+    ///
+    /// You probably _really_ should not call this.
+    ///
+    /// But it's there if you need it. For some reason.
+    #[doc(hidden)]
+    pub fn set_user_id(&mut self, user_id: UserId) {
+        self.user_id = user_id;
+    }
+
+    pub fn manager_get(&self, shard_id: &u64) -> Option<&Manager> {
+        self.managers.get(shard_id)
+    }
+
+    pub fn manager_get_mut(&mut self, shard_id: &u64) -> Option<&mut Manager> {
+        self.managers.get_mut(shard_id)
+    }
+
+    pub fn manager_remove(&mut self, shard_id: &u64) -> Option<Manager> {
+        self.managers.remove(shard_id)
+    }
+
+    fn manager_info<G: Into<GuildId>>(&self, guild_id: G) -> (GuildId, u64) {
+        let guild_id = guild_id.into();
+        let shard_id = utils::shard_id(guild_id.0, self.shard_count);
+
+        (guild_id, shard_id)
+    }
+}