private async Task EnsurePricesAvailable(IEventStoreConnection eventStoreConnection)
{
var a = new PriceAdded("A", 50);
var b = new PriceAdded("B", 30);
var events = new[] { a, b }
.Select(JsonConvert.SerializeObject)
.Select(j => new EventData(Guid.NewGuid(), nameof(PriceAdded), true, Encoding.UTF8.GetBytes(j), null));
await eventStoreConnection.AppendToStreamAsync("prices", ExpectedVersion.Any, events);
}
private void downloadPrices()
{
var sets = _repo.SetsByCode.Values.OrderByDescending(_ => _.ReleaseDate).ToArray();
using (var stream = _priceRepository.AppendPriceInProgressStream())
using (var writer = new StreamWriter(stream))
foreach (var set in sets)
{
var sids = set.Cards
.Where(_priceRepository.IsDefined)
.Select(_priceRepository.GetPriceId)
.Where(F.IsNotNull)
.Select(_ => _.Sid)
.Where(F.IsNotNull)
.Where(sid => !_priceRepository.ContainsPrice(sid))
.Distinct()
.ToArray();
Parallel.ForEach(sids, new ParallelOptions {
MaxDegreeOfParallelism = Parallelism
}, sid =>
{
if (sid.EndsWith("&utm_source=scryfall"))
{
PriceAdded?.Invoke();
return;
}
PriceValues price;
try
{
price = _client.DownloadPrice(sid);
}
catch (WebException)
{
return;
}
lock (_sync)
{
var serialized = JsonConvert.SerializeObject(price, Formatting.None);
_priceRepository.AddPrice(sid, price);
writer.WriteLine(serialized);
PriceAdded?.Invoke();
}
});
}
}
private void downloadPrices()
{
var sets = _repo.SetsByCode.Values.OrderByDescending(_ => _.ReleaseDate).ToArray();
using (var stream = _priceRepository.AppendPriceInProgressStream())
using (var writer = new StreamWriter(stream))
foreach (var set in sets)
{
foreach (var card in set.Cards)
{
if (_aborted)
{
return;
}
if (!_priceRepository.IsDefined(card))
{
continue;
}
var sid = _priceRepository.GetPriceId(card);
if (sid == null)
{
continue;
}
if (_priceRepository.ContainsPrice(sid))
{
continue;
}
var price = _client.DownloadPrice(sid);
_priceRepository.AddPrice(sid, price);
PriceAdded?.Invoke();
var serialized = JsonConvert.SerializeObject(_priceRepository.GetPrice(sid), Formatting.None);
writer.WriteLine(serialized);
}
}
}
public void AddPrice(float price)
{
this.prices.Add(price);
PriceAdded?.Invoke(this, price);
}
