sockudo-adapter 4.7.0

Connection adapters and horizontal scaling for Sockudo
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use compact_str::{CompactString, format_compact};
use sockudo_core::channel::PresenceMemberInfo;
use sockudo_core::websocket::WebSocketRef;
use sockudo_protocol::messages::{
    ANNOTATION_EVENT_NAME, MESSAGE_SUMMARY_EVENT_NAME, PusherMessage,
};
use sockudo_protocol::protocol_version::{CANONICAL_PRESENCE_UPDATE, ProtocolVersion};

pub(super) fn pending_presence_key(app_id: &str, channel: &str, user_id: &str) -> CompactString {
    format_compact!("{app_id}:{channel}:{user_id}")
}

pub(super) fn pending_presence_channel_key(app_id: &str, channel: &str) -> CompactString {
    format_compact!("{app_id}:{channel}")
}

#[derive(Debug, Clone)]
pub(super) struct PendingPresenceMember {
    pub(super) member: PresenceMemberInfo,
    pub(super) socket_id: String,
    pub(super) generation: u64,
}

pub(super) fn filter_annotation_subscribers_in_place(
    channel: &str,
    message: &PusherMessage,
    socket_refs: &mut Vec<WebSocketRef>,
) {
    if message.event.as_deref() != Some(ANNOTATION_EVENT_NAME) {
        return;
    }

    socket_refs.retain(|socket_ref| socket_ref.allows_annotation_events_sync(channel));
}

pub(super) fn is_v2_annotation_protocol_event(message: &PusherMessage) -> bool {
    matches!(
        message.event.as_deref(),
        Some(ANNOTATION_EVENT_NAME) | Some(MESSAGE_SUMMARY_EVENT_NAME)
    )
}

pub(super) fn is_v2_only_protocol_event(message: &PusherMessage) -> bool {
    is_v2_annotation_protocol_event(message)
        || matches!(
            message
                .event
                .as_deref()
                .and_then(|event| ProtocolVersion::parse_any_protocol_event(event)),
            Some((CANONICAL_PRESENCE_UPDATE, true))
        )
}