public void Dequeue(Data.Person dPerson)
{
if (dPerson == null)
{
throw new Exception.DequeueException(Exception.DequeueException.ResponseCodes.InvalidPerson);
}
lock ( ms_oSync )
{
System.Xml.Linq.XElement xWaitList = m_oXmlFilePersister.Load(mc_sStorageName) ?? new System.Xml.Linq.XElement("Waitlist");
System.Xml.Linq.XElement xPersons = GetPersons(xWaitList);
System.Xml.Linq.XElement xPerson = xPersons
.Elements("Person")
.Where(xPersonSearch => xPersonSearch.Attribute("Id").GetValue(Guid.Empty, s => new Guid(s)) == dPerson.Id)
.FirstOrDefault( );
if (xPerson == null)
{
throw new Exception.DequeueException(Exception.DequeueException.ResponseCodes.PersonNotFound);
}
else
{
xPerson.Remove( );
m_oXmlFilePersister.Save(mc_sStorageName, xWaitList);
}
}
}
public Data.Person Queue(string sName, string sPhone)
{
Data.Person dPerson = new Data.Person( )
{
Id = Guid.NewGuid( ),
Name = sName,
Phone = sPhone
};
// normally this logic would exist on the server side.
if (string.IsNullOrEmpty(sName))
{
throw new Exception.QueueException(Exception.QueueException.ResponseCodes.InvalidName);
}
else if (string.IsNullOrEmpty(sPhone))
{
throw new Exception.QueueException(Exception.QueueException.ResponseCodes.InvalidPhone);
}
lock ( ms_oSync )
{
System.Xml.Linq.XElement xWaitList = m_oXmlFilePersister.Load(mc_sStorageName) ?? new System.Xml.Linq.XElement("Waitlist");
System.Xml.Linq.XElement xPersons = GetPersons(xWaitList);
if (xPersons.Elements("Person")
.Select(xPerson => m_adpPersonFromXml.Adapt(xPerson))
.Any(dPersonSearch => dPersonSearch == dPerson))
{
throw new Exception.QueueException(Exception.QueueException.ResponseCodes.PersonExists);
}
xPersons.Add(m_adpPersonToXml.Adapt(dPerson));
m_oXmlFilePersister.Save(mc_sStorageName, xWaitList);
}
return(dPerson);
}
