public async Task <ActionResult <Peripheral> > Delete(string serialNumber, long uid)
{
try
{
PeripheralsGateways relation = await context.PeripheralGateways.FirstOrDefaultAsync(x => x.GatewaySerialNumber == serialNumber && x.PeripheralId == uid);
var countOfRelations = await context.PeripheralGateways.CountAsync(x => x.GatewaySerialNumber == serialNumber && x.PeripheralId == uid);
var device = await context.Peripherals.FirstOrDefaultAsync(x => x.UID == uid);
if (device == null || relation == null)
{
return(NotFound());
}
context.Remove(relation);
if (countOfRelations == 1)
{
context.Remove(device);
}
await context.SaveChangesAsync();
return(Accepted());
}
catch (Exception err)
{
return(BadRequest(new InvalidOperationException(err.ToString())));
}
}
private async Task <ActionResult <Gateway> > Delete(string serialNumber, bool deleteAllDevices = false)
{
try
{
List <long> UIDs = await context.PeripheralGateways
.Where(x => x.GatewaySerialNumber == serialNumber)
.Select(x => x.PeripheralId).ToListAsync();
if (deleteAllDevices)
{
List <Peripheral> devices = new List <Peripheral>();
foreach (long uid in UIDs)
{
PeripheralsGateways relation = await context.PeripheralGateways.FirstOrDefaultAsync(x => x.GatewaySerialNumber == serialNumber && x.PeripheralId == uid);
var device = await context.Peripherals.FirstOrDefaultAsync(x => x.UID == uid);
context.Remove(relation);
context.Remove(device);
}
}
else if (UIDs.Count > 0)
{
return(BadRequest(new InvalidOperationException("Can't delete a Gateway with associated DevicesController")));
}
var gateway = await context.Gateways.FirstOrDefaultAsync(x => x.SerialNumber == serialNumber);
if (gateway == null)
{
return(NotFound());
}
context.Remove(gateway);
await context.SaveChangesAsync();
return(Accepted(gateway));
}
catch (Exception err)
{
return(BadRequest(new InvalidOperationException(err.ToString())));
}
}
