private static string GetPostParameters(ICallCriteria criteria)
{
return string.Join("&", criteria.PostParameters
.AllKeys
.Select(key => key + "=" + criteria.PostParameters[key])
.ToArray());
}
public string GetResponseStringFor(ICallCriteria criteria, AuthorizationHeader authHeader)
{
var responseValue = string.Empty;
var webClient = new WebClient();
webClient.Headers.Add("AUTHORIZATION", authHeader.Value);
try
{
using (webClient)
{
if (CallHasPostParameters(criteria))
{
var uploadResponse = webClient.UploadValues(criteria.CallParameters.Url, criteria.PostParameters);
responseValue = Encoding.ASCII.GetString(uploadResponse);
}
else
{
responseValue = webClient.DownloadString(criteria.CallParameters.Url);
}
}
}
catch (Exception ex)
{
throw new Exception("Unable to get response for url '{0}' - {1}", ex);
}
return responseValue;
}
public ResponseViewModel Build(ICallCriteria criteria)
{
var authHeader = _authorizationHeaderBuilder.Build(criteria.CallParameters);
var responseString = _webResponseBuilder.GetResponseStringFor(criteria, authHeader);
return new ResponseViewModel
{
PartnerId = criteria.CallParameters.PartnerId,
ConsumerKey = criteria.CallParameters.ConsumerKey,
ConsumerSecret = criteria.CallParameters.ConsumerSecret,
Url = criteria.CallParameters.Url,
Response = responseString,
AuthHeaders = authHeader.Value,
PostParameters = GetPostParameters(criteria)
};
}
private static bool CallHasPostParameters(ICallCriteria criteria)
{
return criteria.PostParameters != null && criteria.PostParameters.Count > 0;
}
