////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary> Serialize the data via ProtoBuf for an HTTP request </summary>
/// <remarks> Andre Beging, 10.11.2018. </remarks>
/// <param name="parameter"> The parameter. </param>
/// <returns> A ByteArrayContent. </returns>
////////////////////////////////////////////////////////////////////////////////////////////////////
private static ByteArrayContent SerializeForRequest(IApiRequestParameter parameter)
{
var byteArrayContent = new ByteArrayContent(parameter.ProtoSerialize());
byteArrayContent.Headers.ContentType = new MediaTypeHeaderValue("application/x-protobuf");
return(byteArrayContent);
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary> An IApiRequestParameter extension method that prototype serialize. </summary>
/// <remarks> Andre Beging, 10.11.2018. </remarks>
/// <exception cref="SerializationException"> Thrown when a Serialization error condition
/// occurs. </exception>
/// <param name="parameter"> The parameter to act on. </param>
/// <returns> A byte[]. </returns>
////////////////////////////////////////////////////////////////////////////////////////////////////
public static byte[] ProtoSerialize(this IApiRequestParameter parameter)
{
if (null == parameter)
{
return(null);
}
try
{
using (var stream = new MemoryStream())
{
Serializer.Serialize(stream, parameter);
return(stream.ToArray());
}
}
catch (Exception e)
{
throw new SerializationException($"Error while serializing {parameter}: {e}");
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary> Send a POST request to the API </summary>
/// <remarks> Andre Beging, 10.11.2018. </remarks>
/// <typeparam name="T"> Generic type parameter (Response Parameter). </typeparam>
/// <param name="client"> The client. </param>
/// <param name="apiController"> The API controller. </param>
/// <param name="methodName"> Name of the method. </param>
/// <param name="parameter"> The parameter. </param>
/// <returns> An Request Parameter. </returns>
////////////////////////////////////////////////////////////////////////////////////////////////////
public static T ApiControllerPost <T>(HttpClient client, string apiController, string methodName, IApiRequestParameter parameter) where T : class, IApiResponseParameter
{
var targetAddress = $"{apiController}/{methodName}";
var response = client.PostAsync(targetAddress, SerializeForRequest(parameter)).Result;
if (!response.IsSuccessStatusCode)
{
return(null);
}
var rawBytes = response.Content.ReadAsByteArrayAsync().Result;
return(rawBytes.ProtoDeserialize <T>());
}
