public FormulaService(IFormulaRepository _formulaRepository, IFormulaValidator _formulaValidator)
{
_repository = _formulaRepository;
_validator = _formulaValidator;
}
public FormulaRepository(CalculatorDbContext context, IFormulaValidator validator, IFormulaStatusManager statusManager)
{
db = context;
Validator = validator;
this.statusManager = statusManager;
}