private TCScannerClaim UserAddScanner(string scannerId, string token)
{
String username;
var tokens = GetAuthen(out username);
if (false == tokens)
{
// Error: invalid user token
return(null);
}
// link user & scanner
DbScanner scannerInDb = db.DbScanners.FirstOrDefault(u => (u.id == scannerId));
if (scannerInDb != null && scannerInDb.registerToken == token)
{
String accessToken = TokenProvider.getInstance().takeToken(username);
String refreshToken = TokenProvider.getInstance().takeToken(username);
DbUserScanner userScanner = new DbUserScanner();
userScanner.name = username;
userScanner.scannerId = scannerInDb.id;
db.DbUserScanners.Add(userScanner);
db.SaveChanges();
//string mqttServer = System.Configuration.ConfigurationManager.AppSettings["mqtt"];
TCScannerClaim scanner = new TCScannerClaim();
FillScannerInfoFromDb(scanner, scannerInDb);
return(scanner);
}
// Error: invalid scanner id & scanner token
return(null);
}
public void Delete(string id)
{
String username;
var tokens = GetAuthen(out username);
if (false != tokens)
{
bool bDeleted = false;
// find scanner to delete
var dbScannerToDelete = db.DbScanners.FirstOrDefault(scanner => scanner.id == id);
if (dbScannerToDelete != null)
{
// delete scanner
db.DbScanners.Remove(dbScannerToDelete);
bDeleted = true;
}
// delete user scanner
DbUserScanner dbUserScanner = db.DbUserScanners.FirstOrDefault(userScanner => userScanner.scannerId == id && userScanner.name == username);
if (null != dbUserScanner)
{
db.DbUserScanners.Remove(dbUserScanner);
bDeleted = true;
}
// delete blocks
var aryDbImageBlock = db.DbImageBlocks.Where(blockImg => blockImg.scannerId == id);
if (null != aryDbImageBlock)
{
db.DbImageBlocks.RemoveRange(aryDbImageBlock);
bDeleted = true;
}
if (bDeleted)
{
db.SaveChanges();
}
MqttPool.getInstance().Close(username);
}
}
