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//! Streaming modules
use crate::entities as MegalodonEntities;
use async_trait::async_trait;
use std::future::Future;
use std::pin::Pin;
/// Streaming interface to listen message.
#[async_trait]
pub trait Streaming {
/// Whether WebSocket streaming is supported or not.
fn is_supported(&self) -> bool;
/// Start listening stream messages. When receive a message, the callback function will be called.
async fn listen(
&self,
callback: Box<
dyn Fn(Message) -> Pin<Box<dyn Future<Output = ()> + Send>>
+ Send
+ Sync
+ 'async_trait,
>,
);
}
/// Stream message definitions.
#[derive(Debug, Clone)]
pub enum Message {
/// Update message for `update` event.
Update(MegalodonEntities::Status),
/// Notification message for `notification` evnet.
Notification(MegalodonEntities::Notification),
/// Conversation message for `conversation` event.
Conversation(MegalodonEntities::Conversation),
/// Delete message for `delete` event.
Delete(String),
/// StatusUpdate message of `status.update` event.
StatusUpdate(MegalodonEntities::Status),
/// Heartbeat for streaming connection.
Heartbeat(),
}