opentalk-roomserver-client 0.0.2

// SPDX-License-Identifier: EUPL-1.2
// SPDX-FileCopyrightText: OpenTalk Team <mail@opentalk.eu>

use opentalk_roomserver_signaling::breakout::BREAKOUT_MODULE_ID;
use opentalk_roomserver_types::{breakout::event::BreakoutEvent, core_event::CoreEvent};
use opentalk_roomserver_types_chat::{CHAT_MODULE_ID, event::ChatEvent};
use opentalk_roomserver_types_ping::{PING_MODULE_ID, event::PingEvent};
use opentalk_types_common::modules::{CORE_MODULE_ID, ModuleId};
use serde::{Deserialize, Serialize};
// reexport events for easier usage
pub use {
    opentalk_roomserver_types_e2ee::{E2EE_MODULE_ID, E2eeEvent},
    opentalk_roomserver_types_livekit::{
        Credentials, LIVEKIT_MODULE_ID, LiveKitError, LiveKitEvent, LiveKitState,
    },
};

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct SignalingEvent {
    #[serde(skip_serializing_if = "Option::is_none")]
    pub transaction_id: Option<u64>,
    #[serde(flatten)]
    pub content: SignalingModuleEvent,
}

impl SignalingEvent {
    pub fn namespace(&self) -> ModuleId {
        self.content.namespace()
    }
}

impl From<SignalingModuleEvent> for SignalingEvent {
    fn from(content: SignalingModuleEvent) -> Self {
        Self {
            transaction_id: None,
            content,
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(tag = "namespace", content = "content", rename_all = "snake_case")]
pub enum SignalingModuleEvent {
    Core(CoreEvent),
    Breakout(BreakoutEvent),
    Ping(PingEvent),
    Chat(ChatEvent),

    #[serde(rename = "livekit")]
    LiveKit(LiveKitEvent),

    E2ee(E2eeEvent),
}

impl SignalingModuleEvent {
    pub fn namespace(&self) -> ModuleId {
        match self {
            Self::Core(_) => CORE_MODULE_ID,
            Self::Breakout(_) => BREAKOUT_MODULE_ID,
            Self::Ping(_) => PING_MODULE_ID,
            Self::Chat(_) => CHAT_MODULE_ID,
            Self::LiveKit(_) => LIVEKIT_MODULE_ID,
            Self::E2ee(_) => E2EE_MODULE_ID,
        }
    }
}

#[cfg(test)]
mod tests {
    use insta::assert_snapshot;
    use opentalk_roomserver_types::{
        breakout::event::BreakoutEvent, connection_id::ConnectionId, core_event::CoreEvent,
    };
    use opentalk_roomserver_types_chat::event::{ChatDisabled, ChatEvent};
    use opentalk_roomserver_types_livekit::LiveKitEvent;
    use opentalk_roomserver_types_ping::event::PingEvent;
    use opentalk_types_common::modules::ModuleId;
    use opentalk_types_signaling::ParticipantId;
    use serde::Deserialize;

    use super::SignalingModuleEvent;
    use crate::api::event::SignalingEvent;

    #[derive(Debug, Clone, Deserialize)]
    pub struct NamespaceOnly {
        pub namespace: ModuleId,
    }

    #[test]
    fn serialize_event_core() {
        let event = SignalingEvent {
            transaction_id: None,
            content: SignalingModuleEvent::Core(CoreEvent::ParticipantConnected {
                participant_id: ParticipantId::from_u128(0x01),
                connection_id: ConnectionId::from_u128(0x02),
                peer_join_info: Default::default(),
            }),
        };
        let raw = serde_json::to_string_pretty(&event).unwrap();

        assert_snapshot!(raw, @r#"
        {
          "namespace": "core",
          "content": {
            "participant_connected": {
              "participant_id": "00000000-0000-0000-0000-000000000001",
              "connection_id": "00000000-0000-0000-0000-000000000002"
            }
          }
        }
        "#);

        // Check that the ModuleId from the actual SignalingModule matches what we serialize.
        let namespace_only: NamespaceOnly = serde_json::from_str(&raw).unwrap();
        assert_eq!(namespace_only.namespace, event.namespace());
    }

    #[test]
    fn serialize_event_breakout() {
        let event = SignalingEvent {
            transaction_id: None,
            content: SignalingModuleEvent::Breakout(BreakoutEvent::Closed),
        };
        let raw = serde_json::to_string_pretty(&event).unwrap();

        assert_snapshot!(raw, @r#"
        {
          "namespace": "breakout",
          "content": {
            "message": "closed"
          }
        }
        "#);

        // Check that the ModuleId from the actual SignalingModule matches what we serialize.
        let namespace_only: NamespaceOnly = serde_json::from_str(&raw).unwrap();
        assert_eq!(namespace_only.namespace, event.namespace());
    }

    #[test]
    fn serialize_event_chat() {
        let event = SignalingEvent {
            transaction_id: None,
            content: SignalingModuleEvent::Chat(ChatEvent::ChatDisabled(ChatDisabled {
                issued_by: ParticipantId::from_u128(0x01),
            })),
        };
        let raw = serde_json::to_string_pretty(&event).unwrap();

        assert_snapshot!(raw, @r#"
        {
          "namespace": "chat",
          "content": {
            "message": "chat_disabled",
            "issued_by": "00000000-0000-0000-0000-000000000001"
          }
        }
        "#);

        // Check that the ModuleId from the actual SignalingModule matches what we serialize.
        let namespace_only: NamespaceOnly = serde_json::from_str(&raw).unwrap();
        assert_eq!(namespace_only.namespace, event.namespace());
    }

    #[test]
    fn serialize_event_ping() {
        let event = SignalingEvent {
            transaction_id: None,
            content: SignalingModuleEvent::Ping(PingEvent::Pong),
        };
        let raw = serde_json::to_string_pretty(&event).unwrap();

        assert_snapshot!(raw, @r#"
        {
          "namespace": "ping",
          "content": {
            "message": "pong"
          }
        }
        "#);

        // Check that the ModuleId from the actual SignalingModule matches what we serialize.
        let namespace_only: NamespaceOnly = serde_json::from_str(&raw).unwrap();
        assert_eq!(namespace_only.namespace, event.namespace());
    }

    #[test]
    fn serialize_event_livekit() {
        let event = SignalingEvent {
            transaction_id: None,
            content: SignalingModuleEvent::LiveKit(LiveKitEvent::MicrophoneRestrictionsDisabled),
        };
        let raw = serde_json::to_string_pretty(&event).unwrap();

        assert_snapshot!(raw, @r#"
        {
          "namespace": "livekit",
          "content": {
            "message": "microphone_restrictions_disabled"
          }
        }
        "#);

        // Check that the ModuleId from the actual SignalingModule matches what we serialize.
        let namespace_only: NamespaceOnly = serde_json::from_str(&raw).unwrap();
        assert_eq!(namespace_only.namespace, event.namespace());
    }
}