90 lines
2.2 KiB
C#
90 lines
2.2 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using VAR.Focus.Web.Code.Entities;
|
|
|
|
namespace VAR.Focus.Web.Code.BusinessLogic
|
|
{
|
|
public class MessageBoard
|
|
{
|
|
#region Declarations
|
|
|
|
private List<Message> _messages = new List<Message>();
|
|
private int _lastIDMessage = 0;
|
|
|
|
private int _idBoard = 0;
|
|
|
|
#endregion
|
|
|
|
#region Life cycle
|
|
|
|
public MessageBoard(int idBoard)
|
|
{
|
|
_idBoard = idBoard;
|
|
LoadData();
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Public methods
|
|
|
|
public List<Message> Messages_GetList(int idMessage)
|
|
{
|
|
List<Message> listMessages = new List<Message>();
|
|
for (int i = 0, n = _messages.Count; i < n; i++)
|
|
{
|
|
Message msg = _messages[i];
|
|
if (msg.IDMessage > idMessage)
|
|
{
|
|
listMessages.Insert(0, msg);
|
|
}
|
|
else { break; }
|
|
}
|
|
return listMessages;
|
|
}
|
|
|
|
public void Message_Add(string userName, string text)
|
|
{
|
|
lock (_messages)
|
|
{
|
|
_lastIDMessage++;
|
|
Message msg = new Message();
|
|
msg.IDMessage = _lastIDMessage;
|
|
msg.UserName = userName;
|
|
msg.Text = text;
|
|
msg.Date = DateTime.UtcNow;
|
|
_messages.Insert(0, msg);
|
|
SaveData();
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Private methods
|
|
|
|
#region Persistence
|
|
|
|
private const string PersistenceFile = "priv/messageBoard.{0}.json";
|
|
|
|
private void LoadData()
|
|
{
|
|
_messages = Persistence.LoadList<Message>(String.Format(PersistenceFile, _idBoard));
|
|
_lastIDMessage = 0;
|
|
if (_messages.Count > 0)
|
|
{
|
|
_lastIDMessage = _messages[0].IDMessage;
|
|
}
|
|
}
|
|
|
|
private void SaveData()
|
|
{
|
|
Persistence.SaveList(String.Format(PersistenceFile, _idBoard), _messages);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#endregion
|
|
|
|
}
|
|
|
|
}
|