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|
use std::sync::Arc;
use tokio::sync::mpsc::Sender;
use tokio::sync::Mutex;
use twilight_gateway::{Intents, Shard, ShardId};
use twilight_http::Client;
use twilight_model::gateway::{
payload::outgoing::{update_presence::UpdatePresencePayload, UpdatePresence},
OpCode,
};
use super::{MemberId, MessageEvent, Status, SystemEvent, UserId};
pub struct Gateway {
member_id: MemberId,
discord_token: String,
reference_user_id: UserId,
message_handler: Option<Arc<Mutex<Sender<MessageEvent>>>>,
system_handler: Option<Arc<Mutex<Sender<SystemEvent>>>>,
shard: Arc<Mutex<Shard>>,
}
impl Gateway {
pub fn new(
member_id: MemberId,
config: &crate::config::Member,
reference_user_id: UserId,
) -> Self {
let intents = Intents::GUILD_MEMBERS
| Intents::GUILD_PRESENCES
| Intents::GUILD_MESSAGES
| Intents::MESSAGE_CONTENT;
Self {
member_id,
discord_token: config.discord_token.clone(),
reference_user_id,
message_handler: None,
system_handler: None,
shard: Arc::new(Mutex::new(Shard::new(
ShardId::ONE,
config.discord_token.clone(),
intents,
))),
}
}
pub fn set_message_handler(&mut self, handler: Sender<MessageEvent>) {
self.message_handler = Some(Arc::new(Mutex::new(handler)));
}
pub fn set_system_handler(&mut self, handler: Sender<SystemEvent>) {
self.system_handler = Some(Arc::new(Mutex::new(handler)));
}
pub async fn set_status(&self, status: Status) {
let mut shard = self.shard.lock().await;
shard
.command(&UpdatePresence {
d: UpdatePresencePayload {
activities: Vec::new(),
afk: false,
since: None,
status,
},
op: OpCode::PresenceUpdate,
})
.await
.expect("Could not send command to gateway");
}
pub fn start_listening(&self) {
let message_channel = self.message_handler.clone();
let system_channel = self.system_handler.clone();
let shard = self.shard.clone();
let member_id = self.member_id.clone();
let reference_user_id = self.reference_user_id.clone();
let client = Client::new(self.discord_token.clone());
tokio::spawn(async move {
loop {
let next_event = { shard.lock().await.next_event().await };
match next_event {
Err(source) => {
if let Some(channel) = &system_channel {
let channel = channel.lock().await;
channel
.send(SystemEvent::GatewayError(member_id, source.to_string()))
.await;
if source.is_fatal() {
channel.send(SystemEvent::GatewayClosed(member_id)).await;
break;
}
}
todo!("Handle this")
}
Ok(event) => match event {
twilight_gateway::Event::Ready(_) => {
if let Some(channel) = &system_channel {
channel
.lock()
.await
.send(SystemEvent::GatewayConnected(member_id))
.await;
}
}
twilight_gateway::Event::MessageCreate(message_create) => {
let message = message_create.0;
if message.author.id != reference_user_id {
continue;
}
if let Some(channel) = &message_channel {
channel
.lock()
.await
.send((message.timestamp, message))
.await;
}
}
twilight_gateway::Event::MessageUpdate(message_update) => {
if message_update.author.is_none()
|| message_update.author.as_ref().unwrap().id != reference_user_id
{
continue;
}
if message_update.edited_timestamp.is_none() {
println!("Message update but no edit timestamp");
continue;
}
if message_update.content.is_none() {
println!("Message update but no content");
continue;
}
let message = client
.message(message_update.channel_id, message_update.id)
.await
.expect("Could not load message")
.model()
.await
.expect("Could not deserialize message");
if let Some(channel) = &message_channel {
channel
.lock()
.await
.send((message_update.edited_timestamp.unwrap(), message))
.await;
}
}
_ => (),
},
}
}
});
}
}
|
