/// <summary> /// Load the District CSV data into the database /// This is the first step of the Processing /// </summary> private async Task Analyze() { if (!string.IsNullOrEmpty(Repo.CurrentHistory.LoadError)) { throw new ProcessingException(Logger.Here(), "Can't Analyze with active LoadError. Reload first."); } DateTime?lastLoaded = await Repo.GetLastLoadTime(); if (!lastLoaded.HasValue) { throw new ProcessingException(Logger.Here(), "Data has never been loaded."); } var analyzer = new Analyzer(Logger, Repo); await analyzer.MarkDeleted(lastLoaded.Value); await analyzer.Analyze(); }