Files
agent-framework/dotnet/src/Microsoft.Agents.AI.Workflows.Declarative/IHttpRequestHandler.cs
T
Peter IbekweandGitHub 40e90c96c3 .NET: Add HttpRequestAction support to declarative workflows (#5474)
* Add declarative HttpRequestAction support to workflows

* Clean up response body for diagnostics  and fix tests.

* Fix merge with main.

* Remove redundant fallback for request content headers.
2026-04-28 21:53:19 +00:00

104 lines
3.9 KiB
C#

// Copyright (c) Microsoft. All rights reserved.
using System;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Threading;
using System.Threading.Tasks;
namespace Microsoft.Agents.AI.Workflows.Declarative;
/// <summary>
/// Defines the contract for executing HTTP requests emitted by <c>HttpRequestAction</c> within declarative workflows.
/// </summary>
/// <remarks>
/// This interface allows the HTTP request dispatch to be abstracted, enabling different implementations
/// for local development, hosted workflows, authenticated scenarios, and testing.
/// </remarks>
public interface IHttpRequestHandler
{
/// <summary>
/// Sends an HTTP request and returns the response.
/// </summary>
/// <param name="request">The HTTP request to send.</param>
/// <param name="cancellationToken">A token to observe cancellation.</param>
/// <returns>The <see cref="HttpRequestResult"/> describing the HTTP response.</returns>
Task<HttpRequestResult> SendAsync(
HttpRequestInfo request,
CancellationToken cancellationToken = default);
}
/// <summary>
/// Describes an HTTP request to be sent by an <see cref="IHttpRequestHandler"/>.
/// </summary>
[SuppressMessage("Design", "CA1056:URI-like properties should not be strings", Justification = "URL is carried as a string to preserve the declarative expression result and to avoid forcing handler implementations to construct a Uri eagerly.")]
public sealed class HttpRequestInfo
{
/// <summary>
/// Gets the HTTP method to use (GET, POST, PUT, PATCH, DELETE).
/// </summary>
public string Method { get; init; } = "GET";
/// <summary>
/// Gets the absolute URL to send the request to.
/// </summary>
public string Url { get; init; } = string.Empty;
/// <summary>
/// Gets the headers to include on the request, excluding the <c>Content-Type</c> header (which is supplied via <see cref="BodyContentType"/>).
/// </summary>
public IReadOnlyDictionary<string, string>? Headers { get; init; }
/// <summary>
/// Gets the <c>Content-Type</c> of the request body, or <see langword="null"/> if no body is sent.
/// </summary>
public string? BodyContentType { get; init; }
/// <summary>
/// Gets the serialized request body, or <see langword="null"/> if no body is sent.
/// </summary>
public string? Body { get; init; }
/// <summary>
/// Gets the maximum amount of time to wait for the request to complete, or <see langword="null"/> to use the handler default.
/// </summary>
public TimeSpan? Timeout { get; init; }
/// <summary>
/// Gets the query parameters to append to the request URL, with values already formatted as strings.
/// </summary>
public IReadOnlyDictionary<string, string>? QueryParameters { get; init; }
/// <summary>
/// Gets the name of the declared remote connection, or <see langword="null"/> if no connection is declared.
/// This maps to the Foundry project connection Id and is only used when running in foundry service.
/// </summary>
public string? ConnectionName { get; init; }
}
/// <summary>
/// Represents the result of an HTTP request executed by an <see cref="IHttpRequestHandler"/>.
/// </summary>
public sealed class HttpRequestResult
{
/// <summary>
/// Gets the HTTP status code returned by the server.
/// </summary>
public int StatusCode { get; init; }
/// <summary>
/// Gets a value indicating whether the status code is in the range 200-299.
/// </summary>
public bool IsSuccessStatusCode { get; init; }
/// <summary>
/// Gets the response body, or <see langword="null"/> if no body was returned.
/// </summary>
public string? Body { get; init; }
/// <summary>
/// Gets the response headers keyed by header name. Each header may have multiple values.
/// </summary>
public IReadOnlyDictionary<string, IReadOnlyList<string>>? Headers { get; init; }
}