public FriendRepository(FriendsDBContext db)
 {
     this.db = db;
 }
 public FriendsRepository(IOptions <Settings> settings)
 {
     _context = new FriendsDBContext(settings);
 }
 public FriendRepository()
 {
     this.db = new FriendsDBContext();
 }
 public CalculationHistoryLogRepository(IOptions <Settings> settings)
 {
     _context = new FriendsDBContext(settings);
 }