/// <summary>
/// Retrieves the contents of a message. The contents consist of: previous message ID, sender ID, read status, sent date, and message body or invitation response (in this order)
/// The receiver ID and message ID of a message are omitted from the query because those are already known. Read status is also omitted because it will always be true in this case.
/// </summary>
/// <param name="receiverID">ID of the user who is retrieving messages from their inbox</param>
/// <param name="messageID">ID of a message</param>
/// <param name="isGeneral">Boolean value indicating whether a message is a general message or not</param>
/// <returns>Contents of a message</returns>
public IList <string> ReadMessage(MessageDAO dao, int receiverID, int messageID, bool isGeneral)
{
try
{
List <string> messageContent = (List <string>)dao.ReadMessageFromDB(receiverID, messageID, isGeneral);
return(messageContent);
}
catch (Exception e)
{
throw e;
}
}