CapRaffle.Controllers.CategoryController.SaveRules C# (CSharp) Метод

        public JsonResult SaveRules(int categoryId, List<SaveRuleViewModel> rules)
        {
            var ruleparameters = new List<RuleParameter>();
            if (rules != null)
            {
                rules = rules.Distinct(new RuleComparer()).ToList();
                rules.ForEach(x => ruleparameters.Add(new RuleParameter { Rule = new Rule { RuleId = x.RuleId }, Param = x.Param }));
            }
            repository.SaveRulesForCategory(categoryId, ruleparameters);
            return this.Json(true);
        }