Files
fomo-reducer/src/command/mod.rs

121 lines
3.6 KiB
Rust

use std::{fmt::Debug, sync::Arc};
use futures::future::BoxFuture;
use opendal::Operator;
use patricia_tree::StringPatriciaMap;
use songbird::{
Songbird,
driver::{Channels, SampleRate},
};
use tokio_util::sync::CancellationToken;
use twilight_model::{
application::{command::Command, interaction::Interaction},
id::{
Id,
marker::{ApplicationMarker, CommandMarker, UserMarker},
},
};
use crate::{BotDataManager, GuildVoiceChannelToTextChannel, UserDataManager, VCsWatcher};
pub mod info;
pub mod join;
pub mod leave;
pub mod opt_in;
pub mod opt_out;
#[derive(Debug, Clone)]
pub struct State {
pub audio_channels: Channels,
pub audio_sample_rate: SampleRate,
pub bot_data_manager: BotDataManager,
pub cancellation_token: CancellationToken,
pub discord_application_id: Id<ApplicationMarker>,
pub discord_bot_owner_user_id: Id<UserMarker>,
pub discord_client: Arc<twilight_http::Client>,
pub discord_info_command_id: Id<CommandMarker>,
pub discord_info_command_name: Arc<str>,
pub discord_opt_in_command_id: Id<CommandMarker>,
pub discord_opt_in_command_name: Arc<str>,
pub discord_opt_out_command_id: Id<CommandMarker>,
pub discord_opt_out_command_name: Arc<str>,
pub discord_user_id: Id<UserMarker>,
pub discord_voice_channel_corresponding_text_channel: Arc<GuildVoiceChannelToTextChannel>,
pub recording_data: Operator,
pub songbird: Arc<Songbird>,
pub user_data_manager: UserDataManager,
pub vcs_watcher: VCsWatcher,
}
type Return = ();
type BoxedHandler = Box<dyn Send + Sync + Fn(State, Interaction) -> BoxFuture<'static, Return>>;
fn box_handler<Handler, Fut>(handler: Handler) -> BoxedHandler
where
Fut: Future<Output = Return> + Send + 'static,
Handler: Send + Sync + Fn(State, Interaction) -> Fut + 'static,
{
Box::new(move |state, interaction| Box::pin(handler(state, interaction)))
}
pub fn all() -> Vec<(&'static Command, BoxedHandler)> {
vec![
(&info::COMMAND, box_handler(info::handle)),
(&join::COMMAND, box_handler(join::handle)),
(&leave::COMMAND, box_handler(leave::handle)),
(&opt_in::COMMAND, box_handler(opt_in::handle)),
(&opt_out::COMMAND, box_handler(opt_out::handle)),
]
}
#[derive(Default)]
pub struct Router {
map: StringPatriciaMap<BoxedHandler>,
}
impl Router {
pub fn add_route<Fut, Handler>(&mut self, name: &str, handler: Handler)
where
Fut: Future<Output = Return> + Send + 'static,
Handler: Send + Sync + Fn(State, Interaction) -> Fut + 'static,
{
self.add_route_already_boxed(name, box_handler(handler));
}
fn add_route_already_boxed(&mut self, name: &str, boxed_handler: BoxedHandler) {
self.map.insert(name, boxed_handler);
}
pub async fn handle(
&self,
state: State,
command_name: &str,
interaction: Interaction,
) -> Option<Return> {
let handler = self.map.get(command_name)?;
Some(handler(state, interaction).await)
}
}
impl<'a> FromIterator<(&'a Command, BoxedHandler)> for Router {
#[inline]
fn from_iter<T: IntoIterator<Item = (&'a Command, BoxedHandler)>>(iter: T) -> Self {
let mut this = Self::default();
this.extend(iter);
this
}
}
impl<'a> Extend<(&'a Command, BoxedHandler)> for Router {
#[inline]
fn extend<T: IntoIterator<Item = (&'a Command, BoxedHandler)>>(&mut self, iter: T) {
for (command, boxed_handler) in iter {
let name = &command.name;
self.add_route_already_boxed(name, boxed_handler);
}
}
}