asked on

REST API Returns seems nothing

Now I have no error. But something in my logic cause the function to run without result.

So here are two functions:

public string CreateAttribute(String ProdID, int counter)
{
bool fireAgain = false;
String strProdID = ProdID;
String strFund = "";
String strAppeal = "";
String strPackage = "";
String strreturn = "";
int cnt = counter;
// Build WC API complete URL
string wcApiCompleteUrl = Variables.WCAPIBaseUrl + "products/" + strProdID + "/?" + "consumer_key=" + Variables.WCAPIConsumerKey + "&consumer_secret=" + Variables.WCAPIConsumerSecret;
// Just some kind of debug output :-)
ComponentMetaData.FireInformation(10, "Start - URL", String.Format("The following URL has been used: {0}", wcApiCompleteUrl), "", 0, fireAgain);

try
{
//Call getWebServiceResult to return our WorkGroupMetric array
WCProduct[] wcProductOutput = GetRestServiceResult1(wcApiCompleteUrl);
//MessageBox.Show("CreateAttribute Function within try!");
////For each group of metrics output records
foreach (var wcProducts in wcProductOutput)
{
MessageBox.Show("CreateAttribute Function is in first foreach loop!");
if (wcProducts.Attributes.Length == 0)
{
MessageBox.Show("It is IF Statement in CreateAttribute Function");
strFund = "NONE";
strAppeal = "NONE";
strPackage = "NONE";
}
else
{
MessageBox.Show("It is ELSE Statement in CreateAttribute Function");
foreach (var wcAttribute in wcProducts.Attributes)
{
MessageBox.Show("We are inside foreach loop");
if (wcAttribute.NameID == "Re-fund-member")
{
strFund = wcAttribute.options;
}
if (wcAttribute.NameID == "Re-appeal-code")
{
strAppeal = wcAttribute.options;
}
if (wcAttribute.NameID == "Re-package-code")
{
strPackage = wcAttribute.options;
}
}
}
}
if (cnt == 1)
{
strreturn = strFund;
}
if (cnt == 2)
{
strreturn = strAppeal;
}
if (cnt == 3)
{
strreturn = strPackage;
}
}
catch (Exception e)
{
FailComponent(e.ToString());
return "";
}
return strreturn;
}

private WCProduct[] GetRestServiceResult1(string wUrl)
{

HttpWebRequest httpWReq = (HttpWebRequest)WebRequest.Create(wUrl);

if (Variables.UseStandardProxy)
{
httpWReq.Proxy.Credentials = CredentialCache.DefaultNetworkCredentials;
httpWReq.PreAuthenticate = true;
}
HttpWebResponse httpWResp = (HttpWebResponse)httpWReq.GetResponse();
WCProduct[] jsonResponse = null;

try
{
//Test the connection
if (httpWResp.StatusCode == HttpStatusCode.OK)
{

//Stream responseStream = httpWResp.GetResponseStream();
string jsonString = null;

//Set jsonString using a stream reader
using (StreamReader reader = new StreamReader(httpWResp.GetResponseStream(), System.Text.Encoding.UTF8))
{
jsonString = reader.ReadToEnd();// Replace("\\", "");
reader.Close();
}

//Deserialize our JSON
//JavaScriptSerializer sr = new JavaScriptSerializer();
//JSON string comes in with a leading and trailing " that need to be removed for parsing to work correctly
//The JSON here is serialized weird, normally you would not need this trim
//jsonResponse = sr.Deserialize<WCOrder[]>(jsonString.Trim('"'));
WCProducts jsonRoot = DeserializeJSon<WCProducts>(jsonString);
jsonResponse = jsonRoot.Product;
}
//Output connection error message
else
{
FailComponent(httpWResp.StatusCode.ToString());

}
}
//Output JSON parsing error
catch (Exception e)
{
FailComponent(e.ToString());
}
return jsonResponse;
}

Here are two lanes I am suspicious about:

WCProduct[] wcProductOutput = GetRestServiceResult1(wcApiCompleteUrl);

foreach (var wcProducts in wcProductOutput)

wcProductOutput must contain one entry. We are looking for particular Product and call it by Product ID. But somehow foreach never triggered. I am lost in doubts. Can somebody tell me, what is wrong in my logic here?

Duy Pham

If foreach is not triggered, it sounds like your service doesn't return anything. Have you checked that? Did you get any other exception or error?