forked from alpacahq/alpaca-trade-api-csharp
/
HistoricalRequestBaseExtensions.cs
52 lines (48 loc) · 1.81 KB
/
HistoricalRequestBaseExtensions.cs
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namespace Alpaca.Markets;
/// <summary>
/// Set of extension methods for <see cref="HistoricalRequestBase"/> inheritors' initialization.
/// </summary>
public static class HistoricalRequestBaseExtensions
{
private const UInt32 MaxPageSize = 10_000;
/// <summary>
/// Sets the request page size using the fluent interface approach.
/// </summary>
/// <param name="request">Request parameters object.</param>
/// <param name="pageSize">The request page size.</param>
/// <exception cref="ArgumentNullException">
/// The <paramref name="request"/> argument is <c>null</c>.
/// </exception>
/// <returns>The original request parameters object.</returns>
[UsedImplicitly]
[CLSCompliant(false)]
public static TRequest WithPageSize<TRequest>(
this TRequest request,
UInt32 pageSize)
where TRequest : class, IHistoricalRequest
{
request.EnsureNotNull().Pagination.Size = pageSize;
return request;
}
/// <summary>
/// Sets the request page token using the fluent interface approach.
/// </summary>
/// <param name="request">Request parameters object.</param>
/// <param name="pageToken">The request page token.</param>
/// <exception cref="ArgumentNullException">
/// The <paramref name="request"/> argument is <c>null</c>.
/// </exception>
/// <returns>The original request parameters object.</returns>
[UsedImplicitly]
public static TRequest WithPageToken<TRequest>(
this TRequest request,
String pageToken)
where TRequest : class, IHistoricalRequest
{
request.EnsureNotNull().Pagination.Token = pageToken;
return request;
}
internal static UInt32 GetPageSize(
this IHistoricalRequest request) =>
request.Pagination.Size ?? MaxPageSize;
}