/// <summary>
/// Function to assign device to an event.
/// </summary>
/// <param name="dId"></param>
/// <param name="eId"></param>
/// <returns>Returns instance of the assignment.</returns>
public async Task <DevicesInEvent> AddDeviceInEventAsync(int dId, int eId)
{
var d = new DevicesInEvent {
DeviceId = dId, EventId = eId
};
if (DeviceAssigned(d) == false)
{
await _repo.AddDeviceToEventAsync(d);
return(d);
}
else
{
var n = await GetDeviceByIdAsync(dId);
throw new Exception(n.Name + " is already assigned to this event");
}
}