internal static void TryWriteWatsonEntriesToFile()

in src/Microsoft.VisualStudio.Extensibility.Testing.Xunit.Shared/Harness/EventLogCollector.cs [123:189]
56 lines of code
8 McCabe index (conditional complexity)

        internal static void TryWriteWatsonEntriesToFile(string filePath)
        {
            try
            {
                // Use a HashSet to make sure the entries we add aren't duplicates (calls the Equals override from FeedbackItemWatsonEntry)
                var watsonEntries = new HashSet<FeedbackItemWatsonEntry>();

                // We need to search in the Application Event Log, since that's where Watson logs entries
                var eventLogQuery = new EventLogQuery(EventLogName, PathType.LogName)
                {
                    // Read events in descending order, so we can get either the last 5 entries or the past day of entries, whichever has a bigger count
                    ReverseDirection = true,
                };

                var eventLogReader = new EventLogReader(eventLogQuery);
                EventRecord eventLogRecord;
                var watsonEntriesCount = 0;
                while ((eventLogRecord = eventLogReader.ReadEvent()) != null)
                {
                    // We only want the last 5 entries or the past day of entries, whichever has a bigger count
                    if (IsLastDayOrLastFiveRecentEntry(eventLogRecord, watsonEntriesCount))
                    {
                        // Filter the entries by Watson specific ones for VS EXEs
                        if (IsValidWatsonEntry(eventLogRecord))
                        {
                            var entry = new FeedbackItemWatsonEntry(eventLogRecord);
                            watsonEntries.Add(entry);

                            // If the entry doesn't have a valid BucketId, we don't want it to count towards the maxCount we send
                            if (!string.IsNullOrWhiteSpace(GetEventRecordPropertyToString(eventLogRecord, FaultBucketIndex)))
                            {
                                watsonEntriesCount++;
                            }
                        }
                    }
                    else
                    {
                        break;
                    }
                }

                if (watsonEntries.Any())
                {
                    var watsonEntriesStringBuilder = new StringBuilder();
                    foreach (var entry in watsonEntries)
                    {
                        watsonEntriesStringBuilder.AppendLine($"Event Time (UTC): {entry.EventTime}");
                        watsonEntriesStringBuilder.AppendLine($"Application Name: {entry.ApplicationName}");
                        watsonEntriesStringBuilder.AppendLine($"Application Version: {entry.ApplicationVersion}");
                        watsonEntriesStringBuilder.AppendLine($"Faulting Module: {entry.FaultingModule}");
                        watsonEntriesStringBuilder.AppendLine($"Faulting Module Version: {entry.FaultingModuleVersion}");
                        watsonEntriesStringBuilder.AppendLine($"Event Name: {entry.EventName}");
                        watsonEntriesStringBuilder.AppendLine($"Cab Id: {entry.CabId}");
                        watsonEntriesStringBuilder.AppendLine($"Fault Bucket: {entry.FaultBucket}");
                        watsonEntriesStringBuilder.AppendLine($"Hashed Bucket: {entry.HashedBucket}");
                        watsonEntriesStringBuilder.AppendLine($"Watson Report Id: {entry.WatsonReportId}");
                        watsonEntriesStringBuilder.AppendLine();
                    }

                    File.WriteAllText(filePath, watsonEntriesStringBuilder.ToString());
                }
            }
            catch (Exception ex)
            {
                File.WriteAllText(filePath, ex.ToString());
            }
        }