BudgetAnalyser.Engine.Services.TransactionRuleService.InitialiseTheRulesCollections C# (CSharp) Метод

        private void InitialiseTheRulesCollections(List<MatchingRule> repoRules)
        {
            this.matchingRules.AddRange(repoRules);

            IEnumerable<RulesGroupedByBucket> grouped = repoRules.GroupBy(rule => rule.Bucket)
                .Where(group => @group.Key != null)
                // this is to prevent showing rules that have a bucket code not currently in the current budget model. Happens when loading the demo or empty budget model.
                .Select(group => new RulesGroupedByBucket(@group.Key, @group))
                .OrderBy(group => @group.Bucket.Code);

            this.matchingRulesGroupedByBucket.AddRange(grouped);
        }