64 lines
1.6 KiB
JavaScript
64 lines
1.6 KiB
JavaScript
import { ADD_MESSAGE, SET_LAST_READ_MESSAGE } from './actionTypes';
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/* eslint-disable max-params */
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/**
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* Adds a chat message to the collection of messages.
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*
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* @param {string} userName - The username to display of the participant that
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* authored the message.
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* @param {string} message - The received message to display.
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* @param {string} timestamp - A timestamp to display for when the message was
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* received.
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* @param {boolean} hasRead - Whether or not to immediately mark the message as
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* read.
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* @returns {{
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* type: ADD_MESSAGE,
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* hasRead: boolean,
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* message: string,
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* timestamp: string,
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* userName: string
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* }}
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*/
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export function addMessage(userName, message, timestamp, hasRead) {
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return {
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type: ADD_MESSAGE,
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hasRead,
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message,
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timestamp,
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userName
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};
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}
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/* eslint-enable max-params */
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/**
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* Sets the last read message cursor to the latest message.
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*
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* @returns {Function}
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*/
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export function markAllRead() {
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return (dispatch, getState) => {
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const { messages } = getState()['features/chat'];
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dispatch(setLastReadMessage(messages[messages.length - 1]));
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};
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}
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/**
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* Updates the last read message cursor to be set at the passed in message. The
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* assumption is that messages will be ordered chronologically.
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*
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* @param {Object} message - The message from the redux state.
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* @returns {{
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* type: SET_LAST_READ_MESSAGE,
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* message: Object
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* }}
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*/
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export function setLastReadMessage(message) {
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return {
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type: SET_LAST_READ_MESSAGE,
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message
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};
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}
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