AppFlowy/shared-lib/lib-ws/src/msg.rs

use serde::{Deserialize, Serialize};
use serde_repr::*;
use tokio_tungstenite::tungstenite::Message as TokioMessage;

#[derive(Serialize, Deserialize, Debug, Clone, Default)]
pub struct WebSocketRawMessage {
  pub channel: WSChannel,
  pub data: Vec<u8>,
}

impl WebSocketRawMessage {
  pub fn to_bytes(&self) -> Vec<u8> {
    serde_json::to_vec(&self).unwrap_or_default()
  }

  pub fn from_bytes<T: AsRef<[u8]>>(bytes: T) -> Self {
    serde_json::from_slice(bytes.as_ref()).unwrap_or_default()
  }
}

// The lib-ws crate should not contain business logic.So WSChannel should be removed into another place.
#[derive(Serialize_repr, Deserialize_repr, Debug, Clone, Eq, PartialEq, Hash)]
#[repr(u8)]
pub enum WSChannel {
  Document = 0,
  Folder = 1,
  Database = 2,
}

impl std::default::Default for WSChannel {
  fn default() -> Self {
    WSChannel::Document
  }
}

impl ToString for WSChannel {
  fn to_string(&self) -> String {
    match self {
      WSChannel::Document => "0".to_string(),
      WSChannel::Folder => "1".to_string(),
      WSChannel::Database => "2".to_string(),
    }
  }
}

impl std::convert::From<WebSocketRawMessage> for TokioMessage {
  fn from(msg: WebSocketRawMessage) -> Self {
    TokioMessage::Binary(msg.to_bytes())
  }
}