public List <LocationViewModel> GetChangeLocation(Server server)
{
var allLocation = new List <LocationViewModel>();
//Case: customer rent rack
if (RackOfCustomerDAO.Current.GetRackOfCustomer(server).Count > 0)
{
allLocation = dao.GetCustomerRackValidPowerForChange(server);
}
else
//Case: customer don't rent rack
{
allLocation = dao.GetRackValidPowerForChange(server);
}
if (allLocation.Count == 0)
{
return(allLocation);
}
else
{
allLocation = allLocation.OrderBy(x => x.RackCode)
.ThenBy(x => x.RackUnit)
.ToList();
var allRackCode = allLocation.Select(x => x.RackCode).Distinct().ToList();
var rackMaxSize = new Dictionary <string, int>();
foreach (var rackCode in allRackCode)
{
rackMaxSize[rackCode] = 0;
}
var lastRackCode = string.Empty;
var maxRackSize = 0;
if (allLocation.Count > 0)
{
lastRackCode = allLocation[0].RackCode;
}
foreach (var location in allLocation)
{
if (lastRackCode != location.RackCode || !string.IsNullOrEmpty(location.ServerCode))
{
if (maxRackSize > rackMaxSize[lastRackCode])
{
rackMaxSize[lastRackCode] = maxRackSize;
}
lastRackCode = location.RackCode;
maxRackSize = 0;
}
if (string.IsNullOrEmpty(location.ServerCode))
{
maxRackSize++;
}
}
if (maxRackSize > rackMaxSize[lastRackCode])
{
rackMaxSize[lastRackCode] = maxRackSize;
}
var result = new List <LocationViewModel>();
foreach (var rackCode in allRackCode)
{
var maxSize = rackMaxSize[rackCode];
if (maxSize >= server.Size.Value)
{
result.AddRange(allLocation.Where(x => x.RackCode == rackCode));
}
}
return(result);
}
}
