private async static Task FetchUser(BGGClient client, string username, bool retry)
{
var request = new BGGCollectionRequest {
Username = username
};
var task = client.GetCollectionAsync(request);
var response = await task;
if (response.StatusCode == HttpStatusCode.Accepted)
{
if (retry)
{
Console.WriteLine("Waiting to get collection for {0}", username);
Thread.Sleep(TimeSpan.FromSeconds(30));
await FetchUser(client, username, false);
return;
}
else
{
Console.WriteLine("Failed to fetch collection at second attempt for {0}", username);
}
}
var collection = response.Data;
lock (LockObject)
{
foreach (var game in collection.Items)
{
var id = game.Id;
GameNames[id] = game.Name;
if (game.Owned)
{
var owners = Owners.GetOrCreate(id, () => new List <string>());
owners.Add(username);
}
if (game.WantToPlay)
{
var players = WantToPlay.GetOrCreate(id, () => new List <string>());
players.Add(username);
}
}
}
}
private async static Task <BGGCollection> FetchCollection(BGGClient client, BggDbContext db, DateTime now, string username, bool retry)
{
var existingUser = db.Users.SingleOrDefault(user => user.Username == username);
if (existingUser != null && now - existingUser.CollectionLastFetched <= TimeSpan.FromDays(7))
{
return(null);
}
var request = new BGGCollectionRequest {
Username = username, ExcludeSubtype = BGGSubtype.BoardGameExpansion, Stats = true
};
var task = client.GetCollectionAsync(request);
var response = await task;
if (response.StatusCode == HttpStatusCode.Accepted)
{
if (retry)
{
Console.WriteLine("Waiting to get collection for {0}", username);
Thread.Sleep(TimeSpan.FromSeconds(30));
return(await FetchCollection(client, db, now, username, false));
}
else
{
Console.WriteLine("Failed to fetch collection at second attempt for {0}", username);
throw new InvalidOperationException("Couldn't fetch collection");
}
}
if (existingUser == null)
{
db.Users.Add(new User {
Username = username, CollectionLastFetched = now
});
}
else
{
existingUser.CollectionLastFetched = now;
}
db.SaveChanges();
return(response.Data);
}
