public async Task Start(Chatty newChatty, ChattyLolCounts newChattyLolCounts)
{
if (_chatty != null || _chattyLolCounts != null)
{
throw new InvalidOperationException($"{nameof(EventProvider)} already started.");
}
await _lock.WithWriteLock(nameof(Start),
action : () =>
{
_chatty = newChatty;
_chattyLolCounts = newChattyLolCounts;
});
}
public async Task CycleSharedHttpClients()
{
await _anonymousHttpClientLock.WithWriteLock(nameof(CycleSharedHttpClients), () =>
{
_anonymousHttpClient.Dispose();
_anonymousHttpClient = CreateHttpClient();
});
await _sharedHttpClientLock.WithWriteLock(nameof(CycleSharedHttpClients), () =>
{
_sharedHttpClient.Dispose();
_sharedHttpClient = CreateHttpClient();
});
}
public async Task <int> GetUserIdFromName(string userName)
{
await _userIdCacheLock.WithWriteLock(nameof(GetUserIdFromName) + userName, () =>
{
if (_cacheExpire < DateTime.UtcNow)
{
_cacheExpire = DateTime.UtcNow.AddHours(CACHE_TTL_HOURS);
_userNameToIdMapCache.Clear();
}
});
var id = await _userIdCacheLock.WithReadLock(nameof(GetUserIdFromName) + userName, () =>
{
if (_userNameToIdMapCache.TryGetValue(userName, out var cachedId))
{
return((int?)cachedId);
}
else
{
return(default(int?));
}
});
if (id.HasValue)
{
return(id.Value);
}
var results = await _searchParser.Search(string.Empty, userName, string.Empty, string.Empty, 0);
if (results.Results.Count > 0)
{
var threadId = results.Results[0].Id;
var thread = await _threadParser.GetThread(threadId);
var userPost = thread.Posts.FirstOrDefault(p => p.Author.Equals(userName, System.StringComparison.OrdinalIgnoreCase));
if (userPost != null)
{
await _userIdCacheLock.WithWriteLock(nameof(GetUserIdFromName) + userName, () =>
{
_userNameToIdMapCache[userName] = userPost.AuthorId;
});
return(userPost.AuthorId);
}
}
throw new System.Exception($"Cannot find user id for {userName}");
}