internal void AddSuppressionToSarifLog()

in src/Sarif.Viewer.VisualStudio.Core/CodeAnalysisResultManager.cs [688:752]
52 lines of code
12 McCabe index (conditional complexity)

        internal void AddSuppressionToSarifLog(SuppressionModel suppressionModel)
        {
            if (suppressionModel?.SelectedErrorListItems?.Any() != true)
            {
                return;
            }

            int runIndex = -1;
            bool suppressionAdded = false;

            foreach (SarifErrorListItem item in suppressionModel.SelectedErrorListItems)
            {
                runIndex = runIndex == -1 ? item.RunIndex : runIndex;
                if (item.SarifResult != null)
                {
                    if (item.SarifResult.Suppressions == null)
                    {
                        item.SarifResult.Suppressions = new List<Suppression>();
                    }

                    var suppression = new Suppression
                    {
                        Status = suppressionModel.Status,
                        Kind = SuppressionKind.External,
                    };

                    item.SarifResult.Suppressions.Add(suppression);
                    suppressionAdded = true;
                }
            }

            if (runIndex == -1 ||
                !this.RunIndexToRunDataCache.TryGetValue(runIndex, out RunDataCache dataCache) ||
                dataCache.SarifLog == null)
            {
                return;
            }

            if (suppressionAdded)
            {
                // add empty suppression for results don't have suppression
                // this is to satisfy sarif spec: either all results have non-null suppressions or have no suppressions
                // spec link: https://docs.oasis-open.org/sarif/sarif/v2.1.0/os/sarif-v2.1.0-os.html#_Toc34317661
                // "The suppressions values for all result objects in theRun SHALL be either all null or all non-null.
                // "NOTE: The rationale is that an engineering system will generally evaluate all results for suppression, or none of them.Requiring that the suppressions values be either all null or all non - null enables a consumer to determine whether suppression information is available for the run by examining a single result object."
                foreach (SarifErrorListItem errorListItem in dataCache.SarifErrors)
                {
                    if (errorListItem.SarifResult.Suppressions == null)
                    {
                        errorListItem.SarifResult.Suppressions = Array.Empty<Suppression>();
                    }
                }

                var serializer = new JsonSerializer()
                {
                    Formatting = Formatting.Indented,
                };

                using (var writer = new JsonTextWriter(
                    new StreamWriter(this._fileSystem.FileCreate(dataCache.LogFilePath))))
                {
                    serializer.Serialize(writer, dataCache.SarifLog);
                }
            }
        }