public async Task <BusinessResult <List <ArticleDTO> > > GetAll(int quantity = 0) { try { var result = await _iarticleModel.GetAll(quantity); return(BusinessResult <List <ArticleDTO> > .Success(result, General.OperationSucsess)); } catch (Exception ex) { return(BusinessResult <List <ArticleDTO> > .Issue(null, General.OperationIssue, ex)); } }