(Delphi DLL) QuickBooks - Read an Account

Demonstrates how to fetch the information for a specific Quickbooks account. The account information is fetched by Id. The account Ids can be obtained by querying the accounts and parsing the JSON that is returned.

Note: This example requires Chilkat v11.0.0 or greater.

For more information, see https://developer.intuit.com/app/developer/qbo/docs/api/accounting/ecommerce/account#read-an-account

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, StringBuilder, Rest, DtObj, JsonObject, CkDateTime;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
jsonToken: HCkJsonObject;
rest: HCkRest;
bAutoReconnect: Boolean;
sbAuth: HCkStringBuilder;
responseBody: PWideChar;
json: HCkJsonObject;
dtime: HCkDateTime;
bLocalTime: Boolean;
dt: HCkDtObj;

begin
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"
// }

jsonToken := CkJsonObject_Create();
success := CkJsonObject_LoadFile(jsonToken,'qa_data/tokens/qb-access-token.json');

rest := CkRest_Create();

// 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.
bAutoReconnect := True;
success := CkRest_Connect(rest,'sandbox-quickbooks.api.intuit.com',443,True,bAutoReconnect);
if (success = False) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

sbAuth := CkStringBuilder_Create();
CkStringBuilder_Append(sbAuth,'Bearer ');
CkStringBuilder_Append(sbAuth,CkJsonObject__stringOf(jsonToken,'access_token'));
CkRest_putAuthorization(rest,CkStringBuilder__getAsString(sbAuth));

CkRest_AddHeader(rest,'Accept','application/json');
CkRest_putAllowHeaderFolding(rest,False);

// The company ID is the 123146096291789
// The account ID is 29
responseBody := CkRest__fullRequestNoBody(rest,'GET','/v3/company/123146096291789/account/29?minorversion=45');
if (CkRest_getLastMethodSuccess(rest) = False) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

// We should expect a 200 response if successful.
if (CkRest_getResponseStatusCode(rest) <> 200) then
  begin
    Memo1.Lines.Add('Request Header: ');
    Memo1.Lines.Add(CkRest__lastRequestHeader(rest));
    Memo1.Lines.Add('----');
    Memo1.Lines.Add('Response StatusCode = ' + IntToStr(CkRest_getResponseStatusCode(rest)));
    Memo1.Lines.Add('Response StatusLine: ' + CkRest__responseStatusText(rest));
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkRest__responseHeader(rest));
    Memo1.Lines.Add(responseBody);
    Exit;
  end;

// Load the JSON response into a JSON object for parsing.
// A sample JSON response is shown below.
json := CkJsonObject_Create();
CkJsonObject_Load(json,responseBody);

// These will be used for parsing date/time strings..
dtime := CkDateTime_Create();
bLocalTime := True;

// Show the JSON..
CkJsonObject_putEmitCompact(json,False);
Memo1.Lines.Add(CkJsonObject__emit(json));

// Get some information from the JSON..
Memo1.Lines.Add('Name: ' + CkJsonObject__stringOf(json,'Account.Name'));
Memo1.Lines.Add('Id: ' + CkJsonObject__stringOf(json,'Account.Id'));

// Load the CreateTime into a CkDateTime...
CkDateTime_SetFromTimestamp(dtime,CkJsonObject__stringOf(json,'Account.MetaData.CreateTime'));
dt := CkDtObj_Create();
CkDateTime_ToDtObj(dtime,bLocalTime,dt);

Memo1.Lines.Add(IntToStr(CkDtObj_getMonth(dt)) + '/' + IntToStr(CkDtObj_getDay(dt)) + '/' + IntToStr(CkDtObj_getYear(dt)) + '  '
     + IntToStr(CkDtObj_getHour(dt)) + ':' + IntToStr(CkDtObj_getMinute(dt)));

Memo1.Lines.Add('Success.');

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

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

// {
//   "Account": {
//         "Name": "Accounts Payable (A/P)",
//         "SubAccount": false,
//         "FullyQualifiedName": "Accounts Payable (A/P)",
//         "Active": true,
//         "Classification": "Liability",
//         "AccountType": "Accounts Payable",
//         "AccountSubType": "AccountsPayable",
//         "CurrentBalance": -1602.67,
//         "CurrentBalanceWithSubAccounts": -1602.67,
//         "CurrencyRef": {
//           "value": "USD",
//           "name": "United States Dollar"
//         },
//         "domain": "QBO",
//         "sparse": false,
//         "Id": "33",
//         "SyncToken": "0",
//         "MetaData": {
//           "CreateTime": "2016-09-10T10:12:02-07:00",
//           "LastUpdatedTime": "2016-09-17T13:10:36-07:00"
//         }
//       },
//   "time": "2016-10-24T15:35:25.067-07:00"
// 

CkJsonObject_Dispose(jsonToken);
CkRest_Dispose(rest);
CkStringBuilder_Dispose(sbAuth);
CkJsonObject_Dispose(json);
CkDateTime_Dispose(dtime);
CkDtObj_Dispose(dt);

end;