public void Load()
{
ServicePointManager.DefaultConnectionLimit = int.MaxValue;
var parallelism = 10;
var parallelismSetting = ConfigurationManager.AppSettings["parallelism"];
if (!string.IsNullOrEmpty(parallelismSetting))
{
int.TryParse(parallelismSetting, out parallelism);
}
Console.WriteLine("Parellelism: {0}", parallelism);
IEnumerable<int> serials;
do
{
serials = GetSerials();
serials.AsParallel().WithDegreeOfParallelism(parallelism).ForAll(x =>
{
try
{
var company = new Company()
{
Serial = x,
};
var cvrNumber = CvrHelper.ToCvr(x);
if (cvrNumber != -1)
{
company.Cvr = cvrNumber;
var contentHelper = new ContentHelper(Encoding.GetEncoding("ISO-8859-1"));
var document = contentHelper.GetContent(cvrNumber);
if (!document.DocumentNode.OuterHtml.Contains("Virksomhedsnavnet eller CVR/SE-nummeret findes ikke på skattelisterne for selskaber 2011"))
{
var extractor = new DataExtractor();
extractor.Extract(company, document);
Console.WriteLine("{0} Extracted {1} - {2}", company.Serial, company.Cvr, company.Name);
}
else
{
Console.WriteLine("{0} Disregarded {1}", company.Serial, company.Cvr);
}
}
using (var context = new Context())
{
context.Companies.Add(company);
context.SaveChanges();
}
}
catch
{
// just leave that one for later
}
});
}
while (serials.Any());
}
public void Export()
{
IEnumerable<Record> records;
using (var context = new Context())
{
records = context.Companies.Select(x => new Record {
Name = x.Name,
Cvr = x.Cvr,
Type = x.Type,
Legislation = x.Legislation,
Profit = x.Revenue,
Losses = x.Losses,
Tax = x.TaxPaid,
FossilProfit = x.FossilProfit,
FossilLosses = x.FossilLosses,
FossilTax = x.FossilTaxPaid,
IsSubsidiary = x.IsSubsidiary,
Subsidiaries = x.Subsidiaries,
}).ToList();
}
var colummnHeaders = new[] { "Name", "Cvr", "Type", "Legislation", "Profit", "Losses", "Tax", "FossilProfit", "FossilLosses", "FossilTax", "IsSubsidiary", "Subsidiaries" };
var engine = new FileHelperEngine<Record>()
{
HeaderText = string.Join(",", colummnHeaders),
};
engine.WriteFile("out.csv", records);
}
public void Analyze()
{
using (var context = new Context())
{
Console.WriteLine("TAXES");
PrintDigitDistribution(context.Companies.Where(x => x.TaxPaid.HasValue && x.TaxPaid != 0).Select(x => x.TaxPaid.Value));
Console.WriteLine("LOSSES");
PrintDigitDistribution(context.Companies.Where(x => x.Losses.HasValue && x.Losses != 0).Select(x => x.Losses.Value));
Console.WriteLine("REVENUE");
PrintDigitDistribution(context.Companies.Where(x => x.Revenue.HasValue && x.Revenue != 0).Select(x => x.Revenue.Value));
}
Console.WriteLine("Press the any key...");
Console.ReadKey();
}
public void RemoveDuplicates()
{
using (var context = new Context())
{
var groups = from x in context.Companies
group x by x.Cvr into g
where g.Count() > 1
select g;
foreach (var group in groups)
{
foreach (var company in group.Skip(1))
{
context.Companies.Remove(company);
}
}
context.SaveChanges();
}
}
private static IEnumerable<int> GetSerials(int firstSerial = 1000000, int highestSerial = 9999999, int batchSize = 10000)
{
var count = highestSerial - firstSerial;
var allSerials = Enumerable.Range(firstSerial, count);
Console.WriteLine("Finding serials that have not yet been downloaded...");
var watch = Stopwatch.StartNew();
IEnumerable<int> knownSerials;
using (var context = new Context())
{
knownSerials = context.Companies.Select(x => x.Serial).ToList();
}
var remainingSerials = allSerials.Except(knownSerials).Shuffle().Take(batchSize).ToList();
watch.Stop();
Console.WriteLine("Found {0} serials remaining in {1}ms", remainingSerials.Count(), watch.ElapsedMilliseconds);
return remainingSerials;
}
