Typescript

import { 
    Foundation,
    IConversationMessage
} from "@comapi/sdk-js-foundation"

export class MessagesHelper {

    /**
     * Method to determine whether a message has been read or not by  user
     * @param {IConversationMessage} message - the message to check
     * @param {string} profileId - the profileId to check read status against 
     */
    public static isMessageRead(message: IConversationMessage, profileId: string):boolean {
    
        var isRead = false;

        // if the message was sent by this person then skip ...
        if (message.context.from.id !== profileId) {
            // are there status updates and is there one for this user
            if (message.statusUpdates && message.statusUpdates[profileId]) {
                // is it read ?
                if (message.statusUpdates[profileId].status === "read") {
                    isRead = true;
                }
            }
        } else {
            // the user who wrote the message obviously read it ...
            isRead = true;
        }

        return isRead;    
    }
}