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CardBoard: Controls and handler. Only supports moving cards

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This commit is contained in:
Valeriano A.R.
2015-06-14 23:06:26 +02:00
parent c295148159
commit 81910ebe0a
6 changed files with 632 additions and 2 deletions
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213
Scrummer/Controls/CardBoardHandler.cs Normal file
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using System;
using System.Collections.Generic;
using System.Threading;
using System.Web;
using Scrummer.Code.BusinessLogic;
using Scrummer.Code.Entities;
using Scrummer.Code.JSON;
namespace Scrummer.Controls
{
public class CardBoardHandler : IHttpHandler
{
#region Declarations
private static object _monitor = new object();
private static Dictionary<int, CardBoard> _cardBoards = new Dictionary<int, CardBoard>();
#endregion
#region IHttpHandler
public bool IsReusable
{
get { throw new NotImplementedException(); }
}
public void ProcessRequest(HttpContext context)
{
try
{
if (context.Request.RequestType == "GET")
{
if (string.IsNullOrEmpty(GetRequestParm(context, "IDCardEvent")))
{
ProcessInitializationReciver(context);
}
else
{
ProcessEventReciver(context);
}
}
if (context.Request.RequestType == "POST")
{
ProcessEventSender(context);
}
}
catch (Exception ex)
{
ResponseObject(context, new OperationStatus { IsOK = false, Message = ex.Message, });
}
}
#endregion
#region Private methods
private void ProcessInitializationReciver(HttpContext context)
{
int idBoard = Convert.ToInt32(GetRequestParm(context, "IDBoard"));
CardBoard cardBoard;
if (_cardBoards.ContainsKey(idBoard) == false)
{
lock (_cardBoards)
{
if (_cardBoards.ContainsKey(idBoard) == false)
{
cardBoard = new CardBoard(idBoard);
_cardBoards[idBoard] = cardBoard;
}
}
}
if (_cardBoards.ContainsKey(idBoard))
{
cardBoard = _cardBoards[idBoard];
List<Card> listCards = cardBoard.Cards_Status();
List<ICardEvent> listEvents = new List<ICardEvent>();
int lastIDCardEvent = cardBoard.GetLastIDCardEvent();
int lastIDCard = cardBoard.GetLastIDCard();
if (listCards.Count > 0)
{
listEvents = CardBoard.ConvertCardsToEvents(listCards, lastIDCardEvent);
}
else
{
listEvents = new List<ICardEvent>();
}
ResponseObject(context, listEvents);
}
}
private CardBoard GetCardBoard(int idBoard)
{
CardBoard cardBoard = null;
if (_cardBoards.ContainsKey(idBoard) == false)
{
lock (_cardBoards)
{
if (_cardBoards.ContainsKey(idBoard) == false)
{
cardBoard = new CardBoard(idBoard);
_cardBoards[idBoard] = cardBoard;
}
}
}
cardBoard = _cardBoards[idBoard];
return cardBoard;
}
private void ProcessEventReciver(HttpContext context)
{
int idBoard = Convert.ToInt32(GetRequestParm(context, "IDBoard"));
int idCardEvent = Convert.ToInt32(GetRequestParm(context, "IDCardEvent"));
string strTimePoolData = GetRequestParm(context, "TimePoolData");
int timePoolData = Convert.ToInt32(string.IsNullOrEmpty(strTimePoolData) ? "0" : strTimePoolData);
CardBoard cardBoard = GetCardBoard(idBoard);
bool mustWait = (timePoolData > 0);
do
{
List<ICardEvent> listMessages = cardBoard.Cards_GetEventList(idCardEvent);
if (listMessages.Count > 0)
{
mustWait = false;
ResponseObject(context, listMessages);
return;
}
if (mustWait)
{
lock (_monitor) { Monitor.Wait(_monitor, timePoolData); }
}
} while (mustWait);
ResponseObject(context, new List<Message>());
}
private void ProcessEventSender(HttpContext context)
{
string strIDBoard = GetRequestParm(context, "IDBoard");
int idBoard = Convert.ToInt32(string.IsNullOrEmpty(strIDBoard) ? "0" : strIDBoard);
string command = GetRequestParm(context, "Command");
bool done = false;
CardBoard cardBoard = GetCardBoard(idBoard);
lock (cardBoard)
{
if (command == "Create")
{
string title = GetRequestParm(context, "Title");
string body = GetRequestParm(context, "Body");
int x = Convert.ToInt32(GetRequestParm(context, "X"));
int y = Convert.ToInt32(GetRequestParm(context, "Y"));
cardBoard.Card_Create(title, body, x, y);
done = true;
}
if (command == "Move")
{
int idCard = Convert.ToInt32(GetRequestParm(context, "IDCard"));
int x = Convert.ToInt32(GetRequestParm(context, "X"));
int y = Convert.ToInt32(GetRequestParm(context, "Y"));
cardBoard.Card_Move(idCard, x, y);
done = true;
}
if (command == "Edit")
{
int idCard = Convert.ToInt32(GetRequestParm(context, "IDCard"));
string title = GetRequestParm(context, "Title");
string body = GetRequestParm(context, "Body");
cardBoard.Card_Edit(idCard, title, body);
done = true;
}
if (command == "Delete")
{
int idCard = Convert.ToInt32(GetRequestParm(context, "IDCard"));
cardBoard.Card_Delete(idCard);
done = true;
}
}
if (done)
{
NotifyAll();
ResponseObject(context, new OperationStatus { IsOK = true, Message = "Update successfully" });
}
}
private void NotifyAll()
{
lock (_monitor) { Monitor.PulseAll(_monitor); }
}
private string GetRequestParm(HttpContext context, string parm)
{
foreach (string key in context.Request.Params.AllKeys)
{
if (string.IsNullOrEmpty(key) == false && key.EndsWith(parm))
{
return context.Request.Params[key];
}
}
return string.Empty;
}
private void ResponseObject(HttpContext context, object obj)
{
var jsonWritter = new JSONWriter(true);
context.Response.ContentType = "text/json";
string strObject = jsonWritter.Write(obj);
context.Response.Write(strObject);
}
#endregion
}
}