C#

QuickBooks - Read an Employee (with Error Response)

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Demonstrates how to fetch the information for a specific Quickbooks employee, but tries to fetch using an invalid employee id. Shows the error response and how to parse it. C#

bool success = false;

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// Get our previously obtained OAuth2 access token, which should contain JSON like this:
// {
//   "expires_in": 3600,
//   "x_refresh_token_expires_in": 8726400,
//   "refresh_token": "L011546037639r ... 3vR2DrbOmg0Sdagw",
//   "access_token": "eyJlbmMiOiJBMTI4Q0 ... oETJEMbeggg",
//   "token_type": "bearer"
// }

Chilkat.JsonObject jsonToken = new Chilkat.JsonObject();
success = jsonToken.LoadFile("qa_data/tokens/qb-access-token.json");

Chilkat.Rest rest = new Chilkat.Rest();

// Connect using TLS.
// A single REST object, once connected, can be used for many Quickbooks REST API calls.
// The auto-reconnect indicates that if the already-established HTTPS connection is closed,
// then it will be automatically re-established as needed.
bool bAutoReconnect = true;
success = rest.Connect("sandbox-quickbooks.api.intuit.com",443,true,bAutoReconnect);
if (success != true) {
    Debug.WriteLine(rest.LastErrorText);
    return;
}

Chilkat.StringBuilder sbAuth = new Chilkat.StringBuilder();
sbAuth.Append("Bearer ");
sbAuth.Append(jsonToken.StringOf("access_token"));
rest.Authorization = sbAuth.GetAsString();

rest.AddHeader("Accept","application/json");
rest.AllowHeaderFolding = false;

// The company ID is 123146096291789
// The employee ID is 999  (There is no employee with this ID and we should get a 400 response code w/ a response body indicating the error.)
string responseBody = rest.FullRequestNoBody("GET","/v3/company/123146096291789/employee/999?minorversion=45");
if (rest.LastMethodSuccess != true) {
    Debug.WriteLine(rest.LastErrorText);
    return;
}

// Load the JSON response into a JSON object for parsing.
// A sample JSON response is shown below.
Chilkat.JsonObject json = new Chilkat.JsonObject();
json.Load(responseBody);
json.EmitCompact = false;
Debug.WriteLine(json.Emit());

// A 400 response is what we'd expect if trying to query for a non-existent employee ID
if (rest.ResponseStatusCode != 400) {
    Debug.WriteLine("Request Header: ");
    Debug.WriteLine(rest.LastRequestHeader);
    Debug.WriteLine("----");
    Debug.WriteLine("Response StatusCode = " + Convert.ToString(rest.ResponseStatusCode));
    Debug.WriteLine("Response StatusLine: " + rest.ResponseStatusText);
    Debug.WriteLine("Response Header:");
    Debug.WriteLine(rest.ResponseHeader);
    return;
}

// If we got here, the response status code was 400..
// Iterate over the errors..
int numErrors = json.SizeOfArray("Fault.Error");
int i = 0;
while (i < numErrors) {

    json.I = i;
    Debug.WriteLine("Message: " + json.StringOf("Fault.Error[i].Message"));
    Debug.WriteLine("Detail: " + json.StringOf("Fault.Error[i].Detail"));
    Debug.WriteLine("code: " + json.StringOf("Fault.Error[i].code"));
    Debug.WriteLine("----");
    i = i + 1;
}

// ------------------------------------------------------
// The JSON error response looks like this:

// {
//   "Fault": {
//     "Error": [
//       {
//         "Message": "Object Not Found",
//         "Detail": "Object Not Found : Something you're trying to use has been made inactive. Check the fields with accounts, customers, items, vendors or employees.",
//         "code": "610",
//         "element": ""
//       }
//     ],
//     "type": "ValidationFault"
//   },
//   "time": "2020-03-07T10:21:19.089-08:00"
// }