public static async Task <bool> Run([ActivityTrigger] string contestScreenName, ILogger log)
{
var startTime = DateTime.Now;
log.LogInformation("start updating {0}", contestScreenName);
var ghClient = GitHubUtil.Client;
var acClient = new AtCoderClient();
var session = Secrets.GetSecret("AtCoderCSRFToken");
await acClient.LoginAsync(session);
var standings = await acClient.GetStandingsAsync(contestScreenName);
var jsonPath = $"aperfs/{contestScreenName}.json";
bool found;
RepositoryContent content;
try
{
content = (await ghClient.Repository.Content.GetAllContents(GitHubUtil.Owner, GitHubUtil.Repo, jsonPath)).First();
found = true;
}
catch (NotFoundException)
{
content = null;
found = false;
}
var dic = content is null ? new Dictionary <string, double>() : JsonSerializer.Deserialize <Dictionary <string, double> >(content.Content);
log.LogInformation("start crawling.");
bool abort = false;
foreach (var standingData in standings.StandingsData)
{
if ((DateTime.Now - startTime).TotalMinutes >= 8)
{
log.LogWarning("time limit is nearing. abort.");
abort = true;
break;
}
if (standingData.UserIsDeleted ||
standingData.Competitions == 0 ||
!standingData.IsRated ||
dic.ContainsKey(standingData.UserScreenName))
{
continue;
}
var history = await acClient.GetCompetitionHistoryAsync(standingData.UserScreenName);
var beforeContestPerfs = history?.TakeWhile(x => x.ContestScreenName.Split('.', 2).First() != contestScreenName)?.Where(x => x.IsRated)?.Select(x => x.InnerPerformance)?.ToArray();
var aperf = Rating.CalcAPerf(beforeContestPerfs);
if (aperf is null)
{
log.LogWarning($"aperf is null. screenName: {standingData.UserScreenName}");
continue;
}
dic.Add(standingData.UserScreenName, aperf.Value);
await Task.Delay(100);
}
log.LogInformation("end crawling.");
var options = new JsonSerializerOptions();
options.Converters.Add(new TruncateDoubleConverter());
var json = JsonSerializer.Serialize(dic, options);
if (!found)
{
var request = new CreateFileRequest($"add aperfs data of {contestScreenName}", json)
{
Committer = GitHubUtil.Comitter
};
await ghClient.Repository.Content.CreateFile(GitHubUtil.Owner, GitHubUtil.Repo, jsonPath, request);
}
else
{
var request = new UpdateFileRequest($"update aperfs data of {contestScreenName}", json, content.Sha)
{
Committer = GitHubUtil.Comitter
};
await ghClient.Repository.Content.UpdateFile(GitHubUtil.Owner, GitHubUtil.Repo, jsonPath, request);
}
return(abort || !standings.Fixed);
}