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

        public bool RemoveRule(MatchingRule ruleToRemove)
        {
            if (ruleToRemove == null)
            {
                throw new ArgumentNullException(nameof(ruleToRemove));
            }

            if (string.IsNullOrWhiteSpace(this.rulesStorageKey))
            {
                throw new InvalidOperationException(
                    "Unable to remove a matching rule at this time, the service has not yet loaded a matching rule set.");
            }

            var existingGroup = MatchingRulesGroupedByBucket.FirstOrDefault(g => g.Bucket == ruleToRemove.Bucket);
            if (existingGroup == null)
            {
                return false;
            }

            var success1 = existingGroup.Rules.Remove(ruleToRemove);
            var success2 = this.matchingRules.Remove(ruleToRemove);
            var removedRule = ruleToRemove;

            this.logger.LogInfo(_ => "Matching Rule is being Removed: " + removedRule);
            if (!success1)
            {
                this.logger.LogWarning(
                    _ => "Matching Rule was not removed successfully from the Grouped list: " + removedRule);
            }

            if (!success2)
            {
                this.logger.LogWarning(
                    _ => "Matching Rule was not removed successfully from the flat list: " + removedRule);
            }

            return true;
        }