public Device CreateWriteNfcTag(Device device = null, bool makeReadOnly = true)
{
var createdDevice = this.CreateNfcTag(device);
if (createdDevice == null)
throw new NullReferenceException("The device must not be null.");
try
{
this.EncodeNfcTag(createdDevice, makeReadOnly);
}
catch (Exception ex)
{
if (createdDevice != null)
this.PlatformClient.DeleteDevice(createdDevice.Id);
throw ex;
}
return createdDevice;
}
/// <summary>
/// Searches the server for results matching the values set on the query.
/// The query can be null to search for all Device documents.
/// </summary>
public TypedArray<Device> GetDevices(Device query)
{
return Request<Device>(query);
}
public Device UpdateDevice(Device value)
{
//value.Validate();
return Request<Device>(value.Id, "PUT", value);
}
public Device CreateDevice(Device value)
{
//value.Validate();
return Request<Device>(null, "POST", value);
}
public Device CreateNfcTag(Device device = null)
{
if (device == null)
device = new Device();
if (!string.IsNullOrWhiteSpace(device.Id))
throw new ArgumentException("The device must be a new device.");
var nfcTag = this.GetNfcTag();
this.CheckForNfcTag(nfcTag);
using (var ndef = NdefTechnology.Get(nfcTag))
{
ndef.Connect();
var nfcTagUid = ndef.TagUIDString();
device.Uid = nfcTagUid;
if (string.IsNullOrWhiteSpace(device.Identity))
device.Identity = nfcTagUid;
device.DeviceType = DeviceType.Tag;
device.TagType = TagType.Nfc;
// tags can not have these properties
device.Browser = null;
device.Os = null;
device.Hardware = new DeviceHardware()
{
Name = nfcTag.TagType.GetDescription()
};
device = this.PlatformClient.CreateDevice(device);
}
return device;
}
public PlatformNfcTag EncodeNfcTag(Device device, bool makeReadOnly = true)
{
var nfcTag = this.GetNfcTag();
this.CheckForNfcTag(nfcTag);
var platformNfcTag = new PlatformNfcTag();
using (var ndef = NdefTechnology.Get(nfcTag))
{
ndef.Connect();
if (!ndef.IsWritable)
throw new ApplicationException("The nfc tag is not writable.");
platformNfcTag.Uid = ndef.TagUIDString();
var nfcTagRecord = new NfcTagRecord(device);
ndef.WriteNdefMessage(nfcTagRecord);
platformNfcTag.Record = nfcTagRecord;
if (makeReadOnly && ndef.CanMakeReadOnly)
{
ndef.MakeReadOnly();
platformNfcTag.ReadOnly = true;
}
else
{
platformNfcTag.ReadOnly = false;
}
}
return platformNfcTag;
}
