axum-cometd 0.1.0

Framework for CometD server creation
Documentation 
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use crate::{messages::Message, LongPoolingServiceContext};
use axum::{http::StatusCode, Extension, Json};
use std::fmt::Debug;

pub(crate) async fn disconnect<Msg>(
    Extension(context): Extension<LongPoolingServiceContext<Msg>>,
    Json(messages): Json<Vec<Message>>,
) -> Result<Json<[Message; 1]>, StatusCode>
where
    Msg: Debug + Clone + Send + 'static,
{
    tracing::info!("Got disconnect request: `{messages:?}`.");

    let ret = if let Some(message) = messages
        .into_iter()
        .find(|message| message.channel.as_deref() == Some("/meta/disconnect"))
    {
        let Message {
            id,
            channel,
            client_id,
            ..
        } = message;

        if let Some(client_id) = client_id {
            context.unsubscribe(&client_id).await;

            Err(StatusCode::BAD_REQUEST)
        } else {
            Ok(Message::error("empty clientId", channel, client_id, id))
        }
    } else {
        Ok(Message::error("no disconnect channel", None, None, None))
    }?;

    Ok(Json([ret]))
}