// ---------------------------- FOR GUI USES ---------------------------- //
/// <summary>
/// This method takes user's choices of sorting and filters and updates the messages screen following this.
/// </summary>
/// <param name="Operations">The operation to make on certain list.</param>
public void refresh(string[] filters, bool checkTime, ISort sorter, bool ascending)
{
_ascending = ascending;
if (!(filters[0] == ""))
{
msgHandler.addGroupFilter(filters[0]);
}
if (!(filters[1] == ""))
{
msgHandler.addNicknameFilter(filters[1]);
}
if (!checkTime)
{
messages.Clear();
}
retrieveMessages(checkTime);
messages = sorter.DoAction(messages);
MessageConvertor msgConvertor = new MessageConvertor();
List <ReadOnlyMessage> newReadOnlyList = new List <ReadOnlyMessage>();
foreach (Message msg in messages)
{
ReadOnlyMessage roMsg = msgConvertor.convertToReadOnly(msg);
newReadOnlyList.Add(roMsg);
}
messagesToPrint = newReadOnlyList;
}
/// <summary>
/// this method receive a readOnlyMessage type message and returns it as a Message type
/// </summary>
/// <param name="msg"></param>
/// <returns></returns>
public Message convertFromReadOnlyToMessage(ReadOnlyMessage msg)
{
string body = msg.body;
string nickname = msg.nickname;
Guid GUID = msg.GUID;
DateTime date = msg.date;
string g_Id = msg.g_ID;
Message message = new Message(body, nickname, GUID, date, g_Id);
return(message);
}
/// <summary>
/// Convert IMessage message to an Message object.
/// </summary>
/// <param name="imsg"></param>
/// <param name="charLimitPerMsg"></param>
/// <returns>ReadOnlyMessage object</returns>
public ReadOnlyMessage convertToReadOnly(Message msg)
{
if (msg == null)
{
return(null);
}
Guid GUID = msg.GUID;
DateTime date = msg.date.ToLocalTime();
string nickname = msg.nickname;
string g_Id = msg.g_ID;
string body = msg.body;
ReadOnlyMessage roMsg = new ReadOnlyMessage(GUID, date, nickname, g_Id, body);
return(roMsg);
}
/// <summary>
/// this method is called in case of editing exist message request is made by the user
/// </summary>
/// <param name="oldMessage">the message to edit</param>
/// <param name="updatedBody">the updated content</param>
public void update(ReadOnlyMessage oldMessage, string updatedBody)
{
try
{
//check its legal to edit this message
if (!oldMessage.nickname.Equals(loggedinUser.nickName))
{
logger.logWarnMessage("Failed to edit a message which does not belong to the connected user");
}
else
{
_dateTime = DateTime.UtcNow;
MessageConvertor mc = new MessageConvertor();
Message message = mc.convertFromReadOnlyToMessage(oldMessage);
messages.Remove(message);
message.updateBody(updatedBody);
message.updateDate(_dateTime);
IMessage imsg = mc.convertToIMessage(message);
msgHandler.updateMessage(imsg);//save the message into the storage file
logger.logInfoMessage("The message were edited successfully");
}
}
catch {}
}