Initial commit

Abstractions/IRudderTransport.cs

@@ -0,0 +1,28 @@
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace RudderSdk.Core.Abstractions;
+
+/// <summary>
+/// HTTP transport used by the SDK for every API call. Implementations serialize
+/// the request as JSON, attach the bearer token, and map non-success HTTP
+/// statuses to <see cref="RudderApiException"/> subclasses
+/// (401 → <see cref="RudderAuthException"/>).
+/// </summary>
+public interface IRudderTransport
+{
+    /// <summary>
+    /// Sends one API request and deserializes the JSON response.
+    /// </summary>
+    /// <param name="method">HTTP method (GET, POST, PUT, DELETE).</param>
+    /// <param name="path">Absolute path starting at the API root, e.g. /sdk/v1/player/information.</param>
+    /// <param name="request">Request body DTO, or null for bodyless requests.</param>
+    /// <param name="accessToken">Current access token to send as a Bearer header, or null.</param>
+    /// <param name="cancellationToken">Cancellation token.</param>
+    Task<TResponse> SendAsync<TRequest, TResponse>(
+        string method,
+        string path,
+        TRequest? request,
+        string? accessToken,
+        CancellationToken cancellationToken = default);
+}