stream-chat-react-native-core/lib/module/hooks/messagePreview/useMessageDeliveryStatus.js

The official React Native and Expo components for Stream Chat, a service for building chat applications

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.useMessageDeliveryStatus = exports.MessageDeliveryStatus = void 0;
var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
var _react = require("react");
var _ChatContext = require("../../contexts/chatContext/ChatContext");
var MessageDeliveryStatus = exports.MessageDeliveryStatus = function (MessageDeliveryStatus) {
  MessageDeliveryStatus["NOT_SENT_BY_CURRENT_USER"] = "not_sent_by_current_user";
  MessageDeliveryStatus["DELIVERED"] = "delivered";
  MessageDeliveryStatus["READ"] = "read";
  MessageDeliveryStatus["SENT"] = "sent";
  return MessageDeliveryStatus;
}({});
var useMessageDeliveryStatus = ({
  channel,
  lastMessage,
  isReadEventsEnabled = true
}) => {
  var _client$user3;
  var _useChatContext = (0, _ChatContext.useChatContext)(),
    client = _useChatContext.client;
  var _useState = (0, _react.useState)(undefined),
    _useState2 = (0, _slicedToArray2.default)(_useState, 2),
    status = _useState2[0],
    setStatus = _useState2[1];
  var isOwnMessage = (0, _react.useCallback)(message => {
    var _message$user;
    return client.user && message && ((_message$user = message.user) == null ? void 0 : _message$user.id) === client.user.id;
  }, [client]);
  (0, _react.useEffect)(() => {
    var _client$user, _client$user2;
    if (!lastMessage) {
      setStatus(undefined);
    }
    if (!isReadEventsEnabled) {
      setStatus(MessageDeliveryStatus.NOT_SENT_BY_CURRENT_USER);
      return;
    }
    if (!(lastMessage != null && lastMessage.created_at) || !isOwnMessage(lastMessage)) {
      return;
    }
    var msgRef = {
      msgId: lastMessage.id,
      timestampMs: new Date(lastMessage.created_at).getTime()
    };
    var readerOfMessage = channel.messageReceiptsTracker.readersForMessage(msgRef);
    var deliveredForMessage = channel.messageReceiptsTracker.deliveredForMessage(msgRef);
    setStatus(readerOfMessage.length > 1 || readerOfMessage.length === 1 && readerOfMessage[0].id !== ((_client$user = client.user) == null ? void 0 : _client$user.id) ? MessageDeliveryStatus.READ : deliveredForMessage.length > 1 || deliveredForMessage.length === 1 && deliveredForMessage[0].id !== ((_client$user2 = client.user) == null ? void 0 : _client$user2.id) ? MessageDeliveryStatus.DELIVERED : MessageDeliveryStatus.SENT);
  }, [channel, (_client$user3 = client.user) == null ? void 0 : _client$user3.id, isOwnMessage, isReadEventsEnabled, lastMessage]);
  (0, _react.useEffect)(() => {
    var handleMessageNew = event => {
      if (event.message && !isOwnMessage(event.message)) {
        return setStatus(undefined);
      }
      return setStatus(MessageDeliveryStatus.SENT);
    };
    var _channel$on = channel.on('message.new', handleMessageNew),
      unsubscribe = _channel$on.unsubscribe;
    return unsubscribe;
  }, [channel, isOwnMessage]);
  (0, _react.useEffect)(() => {
    if (!isOwnMessage(lastMessage)) return;
    var handleMessageDelivered = event => {
      var _event$user, _client$user4;
      if (((_event$user = event.user) == null ? void 0 : _event$user.id) !== ((_client$user4 = client.user) == null ? void 0 : _client$user4.id) && lastMessage && lastMessage.id === event.last_delivered_message_id) setStatus(MessageDeliveryStatus.DELIVERED);
    };
    var handleMarkRead = event => {
      var _event$user2, _client$user5;
      if (((_event$user2 = event.user) == null ? void 0 : _event$user2.id) !== ((_client$user5 = client.user) == null ? void 0 : _client$user5.id)) setStatus(MessageDeliveryStatus.READ);
    };
    var listeners = [channel.on('message.delivered', handleMessageDelivered), channel.on('message.read', handleMarkRead)];
    return () => listeners.forEach(l => l.unsubscribe());
  }, [channel, client, isOwnMessage, lastMessage]);
  return {
    status
  };
};
exports.useMessageDeliveryStatus = useMessageDeliveryStatus;
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