public async Task <IFeedHistory> GetAsync(string assetPairId, string priceType, DateTime feedTime)
{
var entity = await _tableStorage.GetDataAsync(FeedHistoryEntity.GeneratePartition(assetPairId, priceType),
FeedHistoryEntity.GenerateRowKey(feedTime));
return(entity?.ToDto());
}
public async Task <IEnumerable <IFeedHistory> > GetLastTenMinutesAskAsync(string assetPairId)
{
var rangeQuery = AzureStorageUtils.QueryGenerator <FeedHistoryEntity>
.GreaterThanQuery(FeedHistoryEntity.GeneratePartition(assetPairId, PriceType.Ask),
FeedHistoryEntity.GenerateRowKey(DateTime.UtcNow.AddMinutes(-10)));
return((await _tableStorage.WhereAsync(rangeQuery)).Select(x => x.ToDto()));
}
public async Task <IFeedHistory> GetСlosestAvailableAsync(string assetPairId, string priceType, DateTime feedTime)
{
var rangeQuery = AzureStorageUtils.QueryGenerator <FeedHistoryEntity>
.GreaterThanQuery(FeedHistoryEntity.GeneratePartition(assetPairId, priceType),
FeedHistoryEntity.GenerateRowKey(feedTime)).Take(1);
var resList = new List <FeedHistoryEntity>();
await _tableStorage.ExecuteAsync(rangeQuery, entities =>
{
resList.AddRange(entities);
}, () => false);
return(resList.Any() ? resList.First().ToDto() : null);
}
