public int addComment(int firstMessageID, int publisherID, string publisherName, string title, string body)
{
if ((title == null) || (title.Equals("")))
{
throw new ArgumentException(error_emptyTitle);
}
if (!IsValidMessage(title, body))
{
throw new ArgumentException(error_wrongWords);
}
FirstMessage first = (FirstMessage)findMessage(firstMessageID);
//checking if firstMessageID exists and really FirstMessage
if ((first != null) && (first.isFirst()))
{
lastMessageID++;
int messageId = lastMessageID;
ResponseMessage rm = new ResponseMessage(messageId, publisherID, publisherName, title, body);
first.addResponse(rm);
messages.Add(rm);
saveMessageDB();
return(rm.MessageID);
}
throw new InvalidOperationException(error_messageIdNotFound);
}
public List <CommentInfo> GetAllThreadComments(int firstMessageId)
{
List <CommentInfo> ans = new List <CommentInfo>();
CommentInfo cur = new CommentInfo();
Message firstMessage = findMessage(firstMessageId);
if (firstMessage == null)
{
return(null);
}
FirstMessage fm = (FirstMessage)firstMessage;
if (fm.isFirst())
{
foreach (ResponseMessage rm in fm.ResponseMessages)
{
cur.Id = rm.MessageID;
cur.topic = rm.Title;
cur.content = rm.Content;
cur.date = rm.PublishDate;
cur.publisher = rm.PublisherName;
ans.Add(cur);
}
}
return(ans);
}
