public async Task <bool> AssignFirmwareUpgradeToLoggers(int?firmwareUpgradeId, IEnumerable <int> loggerIds)
{
// Set all the loggers to the selected upgrade ID.
foreach (int loggerId in loggerIds)
{
LoggingDevice device = new LoggingDevice
{
Id = loggerId,
FirmwareUpgradeId = firmwareUpgradeId,
FirmwareUpgradeAttempts = firmwareUpgradeId.HasValue ? 0 : (int?)null
};
db.LoggingDevices.Attach(device);
db.Entry(device).Property(dbLoggingDevice => dbLoggingDevice.FirmwareUpgradeId).IsModified = true;
db.Entry(device).Property(dbLoggingDevice => dbLoggingDevice.FirmwareUpgradeAttempts).IsModified = true;
}
// Save the changes.
try
{
await db.SaveChangesNoValidationAsync();
}
catch (Exception e)
{
Trace.TraceError("Failed to assign upgrade to loggers: {0}", e);
return(false);
}
return(true);
}
