messaging logic.js

/**
 * Create 2 users.
 */
let userA = await SEA.pair();
let userB = await SEA.pair();

let useMessages = (chat) => {
  let [messages, setMessages] = useState([]);

  useEffect(() => {
    /**
     * Get Messages from user
     */
    database
      .get('messages')
      .get(userA.pub)
      .on((messages, key) => {
        for (let m in messages) {
          try {
            let messageData = JSON.parse(messages[m]);

            setMessages((old) => [
              ...old.filter((o) => o.key !== m),
              { ...messageData, key: m },
            ]);
          } catch {}
        }
      });

    return () => {};
  }, []);

  return [messages, setMessages];
};

let sendMessage = (chat, message, type, callback = () => {}) => {
  /**
   * Create Message Packet
   */
  let messageData = {
    message,
    from: userA.pub,
    time: new Date(),
    read: false,
    received: false,
    sent: true,
    type,
  };

  /**
   * First add message to messages > friendPublicKey
   */
  database
    .get('messages')
    .get(userB.pub)
    .set(JSON.stringify(messageData), () => {
      /**
       * Then add message to messages > userPublicKey
       */
      database
            .get('messages')
            .get(userA.pub)
            .set(
              JSON.stringify(messageData),
              (data) => {
                /**
                 * Once added to user, log
                 */
                console.log('message sent');
              }
            );
    });
};

export { useMessages, sendMessage };