public override bool Apply(DiscoDataContext Database, Device Device)
{
if (this.FieldAction == EntityState.Added ||
this.FieldAction == EntityState.Modified)
{
DeviceDetail detail = Database.DeviceDetails.FirstOrDefault(dd =>
dd.DeviceSerialNumber == Device.SerialNumber &&
dd.Scope == DeviceDetail.ScopeHardware &&
dd.Key == DeviceDetail.HardwareKeyLanMacAddress);
if (detail == null)
{
detail = new DeviceDetail()
{
Device = Device,
DeviceSerialNumber = Device.SerialNumber,
Scope = DeviceDetail.ScopeHardware,
Key = DeviceDetail.HardwareKeyLanMacAddress
};
Database.DeviceDetails.Add(detail);
}
detail.Value = parsedValue;
return true;
}
else
{
return false;
}
}
private static void SetDetail(this Device device, string Scope, string Key, string Value)
{
if (device == null)
throw new ArgumentNullException("device");
if (string.IsNullOrEmpty(Scope))
throw new ArgumentNullException("Scope");
if (string.IsNullOrEmpty(Key))
throw new ArgumentNullException("Key");
var detail = device.DeviceDetails.Where(d => d.Scope == Scope && d.Key == Key).FirstOrDefault();
// No Detail Stored & Set to Null
if (detail == null && Value == null)
return;
if (detail == null)
{
detail = new DeviceDetail()
{
DeviceSerialNumber = device.SerialNumber,
Scope = Scope,
Key = Key,
Value = Value
};
device.DeviceDetails.Add(detail);
}
if (detail.Value != Value)
{
if (Value == null)
{
device.DeviceDetails.Remove(detail);
}
else
{
detail.Value = Value;
}
}
}