DevDefined / IPP .NET DevKit v2 - QBD - PurchaseOrder Query #DotNetDevKitV2 #QBD

V2-QBD-PurchaseOrder-Filter-V2SDK-DevDefined.cs

public string GetQbdPurchaseOrders(DataServices dataServices, int startPage, int chunkSize)
{
    HttpWebRequest httpWebRequest = WebRequest.Create(dataServices.ServiceContext.BaseUrl + "purchaseorder/v2/" + dataServices.ServiceContext.RealmId) as HttpWebRequest;
    httpWebRequest.Method = "POST";
    httpWebRequest.ContentType = "text/xml";
    string requestBody = String.Format("<PurchaseOrderQuery xmlns=\"http://www.intuit.com/sb/cdm/v2\"><StartPage>{0}</StartPage><ChunkSize>{1}</ChunkSize></PurchaseOrderQuery>", startPage, chunkSize);
    httpWebRequest.Headers.Add("Authorization", GetDevDefinedOAuthHeader(dataServices, httpWebRequest, requestBody.ToString()));
    UTF8Encoding encoding = new UTF8Encoding();
    byte[] content = encoding.GetBytes(requestBody.ToString());
    using (var stream = httpWebRequest.GetRequestStream())
    {
        stream.Write(content, 0, content.Length);
    }
    HttpWebResponse httpWebResponse = httpWebRequest.GetResponse() as HttpWebResponse;
    using (Stream data = httpWebResponse.GetResponseStream())
    {
        return new StreamReader(data).ReadToEnd();
    }

}

private string GetDevDefinedOAuthHeader(DataServices dataServices, HttpWebRequest webRequest, string requestBody)
{

    OAuthRequestValidator oauthValidator = (OAuthRequestValidator)dataServices.ServiceContext.RequestValidator;


    OAuthConsumerContext consumerContext = new OAuthConsumerContext
    {
        ConsumerKey = oauthValidator.ConsumerKey,
        SignatureMethod = SignatureMethod.HmacSha1,
        ConsumerSecret = oauthValidator.ConsumerSecret,
        UseHeaderForOAuthParameters = true
    };

    //We already have OAuth tokens, so OAuth URIs below are not used - set to example.com
    OAuthSession oSession = new OAuthSession(consumerContext, "https://www.example.com",
                            "https://www.example.com",
                            "https://www.example.com");

    oSession.AccessToken = new TokenBase
    {
        Token = oauthValidator.AccessToken,
        ConsumerKey = oauthValidator.ConsumerKey,
        TokenSecret = oauthValidator.AccessTokenSecret
    };

    IConsumerRequest consumerRequest = oSession.Request();
    consumerRequest = consumerRequest.Post().WithRawContentType(webRequest.ContentType).WithRawContent(System.Text.Encoding.ASCII.GetBytes(requestBody));
    consumerRequest = ConsumerRequestExtensions.ForUri(consumerRequest, webRequest.RequestUri);
    consumerRequest = consumerRequest.SignWithToken();
    return consumerRequest.Context.GenerateOAuthParametersForHeader();
}