/// <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();
}