Rust

QuickBooks - Query a Customer

See more QuickBooks Examples

Demonstrates how to query QuickBooks customers.

A sample JSON response body is available at Sample Quickbooks Customer Query JSON Response

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);

let query = "select * from Customer".to_string();
let _ = rest.add_query_param("query", &query);
let _ = rest.add_query_param("minorversion", "45");

// The company ID is 123146096291789
let Ok(response_body) = rest.full_request_no_body("GET", "/v3/company/123146096291789/query") else {
    println!("{}", rest.last_error_text());
    return;
};

// We should expect a 200 response if successful.
if rest.response_status_code() != 200 {
    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());
    println!("{}", response_body);
    return;
}

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

// Use this online tool to generate parsing code from sample JSON: 
// Generate Parsing Code from JSON

// Iterate over each customer returned.
let num_records = json.size_of_array("QueryResponse.Customer");
let mut i = 0;
while i < num_records {

    json.set_i(i);
    println!("Name: {}", json.string_of("QueryResponse.Customer[i].FullyQualifiedName").unwrap_or_default());
    println!("Id: {}", json.string_of("QueryResponse.Customer[i].Id").unwrap_or_default());
    println!("City: {}", json.string_of("QueryResponse.Customer[i].BillAddr.City").unwrap_or_default());
    println!("----");
    i = i + 1;
}

println!("Success.");