private static HistoricalBarsRequest getValidatedRequestWithoutPageToken(
HistoricalBarsRequest request) =>
new HistoricalBarsRequest(
request.Symbols,
request.GetValidatedFrom(),
request.GetValidatedInto(),
request.TimeFrame)
.WithPageSize(request.GetPageSize());
/// <summary>
/// Gets all items provided by <see cref="IAlpacaDataClient.ListHistoricalBarsAsync"/> in pagination
/// mode as single stream of items (in form of <see cref="IAsyncEnumerable{IAgg}"/> interface) so they
/// can be consumed by the <c>await foreach</c> statement on the caller side.
/// </summary>
/// <param name="client">Target instance of the <see cref="IAlpacaDataClient"/> interface.</param>
/// <param name="request">Original historical minute bars request (with empty next page token).</param>
/// <param name="cancellationToken">A cancellation token that can be used by other objects or threads to receive notice of cancellation.</param>
/// <returns></returns>
public static IAsyncEnumerable <IAgg> GetHistoricalBarsAsAsyncEnumerable(
this IAlpacaDataClient client,
HistoricalBarsRequest request,
CancellationToken cancellationToken = default) =>
getPaginatedResponsesAsAsyncEnumerable(
public static IAsyncEnumerable <IReadOnlyList <IBar> > GetHistoricalBarsPagesAsAsyncEnumerable(
this IAlpacaDataClient client,
HistoricalBarsRequest request) =>
GetHistoricalBarsPagesAsAsyncEnumerable(client, request, CancellationToken.None);
public static IReadOnlyDictionary <String, IAsyncEnumerable <IBar> > GetHistoricalBarsDictionaryOfAsyncEnumerable(
this IAlpacaDataClient client,
HistoricalBarsRequest request,
CancellationToken cancellationToken) =>
getValidatedRequestWithoutPageToken(request.EnsureNotNull(nameof(request)))
.GetResponsesByItems(client.EnsureNotNull(nameof(client)).GetHistoricalBarsAsync, cancellationToken);
public static IReadOnlyDictionary <String, IAsyncEnumerable <IBar> > GetHistoricalBarsDictionaryOfAsyncEnumerable(
this IAlpacaDataClient client,
HistoricalBarsRequest request) =>
GetHistoricalBarsDictionaryOfAsyncEnumerable(client, request, CancellationToken.None);
