internal static async Task <T> PostToService <T>(this ICexClient This, string servicePath, Func <IEnumerable <KeyValuePair <string, string> > > paramFactory, Func <dynamic, T> resultFactory, CancellationToken?cancelToken = null)
{
long nonce;
var signature = This.Credentials.NewSignature(out nonce);
var content = new FormUrlEncodedContent(
new[]
{
NewRequestParam(This, Constants.ApiParamKey, This.Credentials.ApiKey),
NewRequestParam(This, Constants.ApiParamSignature, signature),
NewRequestParam(This, Constants.ApiParamNonce, Convert.ToString(nonce))
}
.Concat(paramFactory())
);
var uri = This.GetApiUri(servicePath);
using (var client = This.NewHttpClient())
{
using (var response = await(cancelToken.HasValue ? client.PostAsync(uri, content, cancelToken.Value) : client.PostAsync(uri, content)))
{
var body = await response.Content.ReadAsStringAsync();
dynamic json = SimpleJson.DeserializeObject(body);
ExceptionOracle.ThrowIfError(response, json);
return(resultFactory(json));
}
}
}
internal static HttpClient NewHttpClient(this ICexClient This)
{
var client = HttpClientFactory.Get();
client.MaxResponseContentBufferSize = Int32.MaxValue;
if (This.Timeout != null)
{
client.Timeout = This.Timeout.Value;
}
return(client);
}
internal static Uri GetApiUri(this ICexClient This, string path)
{
var baseUri = This.BasePathFactory().AbsoluteUri;
if (!baseUri.EndsWith("/"))
{
baseUri += "/";
}
if (path.StartsWith("/"))
{
path = path.Substring(1);
}
return(new Uri(string.Concat(baseUri, path)));
}
internal static async Task <T> GetFromService <T>(this ICexClient This, string servicePath, Func <dynamic, T> resultFactory, CancellationToken?cancelToken = null)
{
var uri = This.GetApiUri(servicePath);
using (var client = This.NewHttpClient())
{
using (var response = await(cancelToken.HasValue ? client.GetAsync(uri, cancelToken.Value) : client.GetAsync(uri)))
{
var body = await response.Content.ReadAsStringAsync();
dynamic json = SimpleJson.DeserializeObject(body);
ExceptionOracle.ThrowIfError(response, json);
return(resultFactory(json));
}
}
}
internal static KeyValuePair <string, string> NewRequestParam(this ICexClient This, string key, string value)
{
return(KvPair.New(key, value));
}
internal static KeyValuePair <string, string> NewRequestParam(this ICexClient This, string key, decimal value)
{
return(KvPair.New(key, value.ToString(CultureInfo.InvariantCulture)));
}