Rust

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. Rust

// 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"
// }

let json_token = chilkat::JsonObject::new();
let _ = json_token.load_file("qa_data/tokens/qb-access-token.json").is_ok();

let rest = chilkat::Rest::new();

// 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.
let b_auto_reconnect = true;
if rest.connect("sandbox-quickbooks.api.intuit.com", 443, true, b_auto_reconnect).is_err() {
    println!("{}", rest.last_error_text());
    return;
}

let sb_auth = chilkat::StringBuilder::new();
let _ = sb_auth.append("Bearer ");
let _ = sb_auth.append(&json_token.string_of("access_token").unwrap_or_default());
rest.set_authorization(&sb_auth.get_as_string().unwrap_or_default());

let _ = rest.add_header("Accept", "application/json");
rest.set_allow_header_folding(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.)
let Ok(response_body) = rest.full_request_no_body("GET", "/v3/company/123146096291789/employee/999?minorversion=45") else {
    println!("{}", rest.last_error_text());
    return;
};

// Load the JSON response into a JSON object for parsing.
// A sample JSON response is shown below.
let json = chilkat::JsonObject::new();
let _ = json.load(&response_body);
json.set_emit_compact(false);
println!("{}", json.emit().unwrap_or_default());

// A 400 response is what we'd expect if trying to query for a non-existent employee ID
if rest.response_status_code() != 400 {
    println!("Request Header: ");
    println!("{}", rest.last_request_header());
    println!("----");
    println!("Response StatusCode = {}", rest.response_status_code());
    println!("Response StatusLine: {}", rest.response_status_text());
    println!("Response Header:");
    println!("{}", rest.response_header());
    return;
}

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

    json.set_i(i);
    println!("Message: {}", json.string_of("Fault.Error[i].Message").unwrap_or_default());
    println!("Detail: {}", json.string_of("Fault.Error[i].Detail").unwrap_or_default());
    println!("code: {}", json.string_of("Fault.Error[i].code").unwrap_or_default());
    println!("----");
    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"
// }