public ILine GetNutrientHistory(NutrientEntity nutrientEntity, User user) { var userIngredients = Get100DaysUserIngredients(user); var valueSumPerDateFromUserIngredients = GetValueSumPerDateFromUserIngredients(userIngredients, x => x.GetNutrientIngredientDisplayValue(x.GetNutrient(nutrientEntity))); int nutrientId = nutrientRepository.GetByName(nutrientEntity.ToString()).Id; return new Line(nutrientId, valueSumPerDateFromUserIngredients); }