(Delphi DLL) QuickBooks - Query an Account

Demonstrates how to query the QuickBooks chart of accounts.

For more information, see https://developer.intuit.com/app/developer/qbo/docs/api/accounting/ecommerce/account#query-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
jsonToken: HCkJsonObject;
success: Boolean;
rest: HCkRest;
bAutoReconnect: Boolean;
sbAuth: HCkStringBuilder;
responseBody: PWideChar;
json: HCkJsonObject;
dtime: HCkDateTime;
bLocalTime: Boolean;
dt: HCkDtObj;
numAccounts: Integer;
i: Integer;

begin
// 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 <> True) 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);

// Add a SELECT statement 
CkRest_AddQueryParam(rest,'query','select * from Account where Metadata.CreateTime > ''2014-12-31''');
CkRest_AddQueryParam(rest,'minorversion','45');

// The company ID is 123146096291789
responseBody := CkRest__fullRequestNoBody(rest,'GET','/v3/company/123146096291789/query');
if (CkRest_getLastMethodSuccess(rest) <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;
CkRest_ClearAllQueryParams(rest);

// 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;

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

// 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;

// Iterate over each account returned.
numAccounts := CkJsonObject_SizeOfArray(json,'QueryResponse.Account');
i := 0;
while i < numAccounts do
  begin

    CkJsonObject_putI(json,i);
    Memo1.Lines.Add('Name: ' + CkJsonObject__stringOf(json,'QueryResponse.Account[i].Name'));
    Memo1.Lines.Add('Id: ' + CkJsonObject__stringOf(json,'QueryResponse.Account[i].Id'));

    // Load the CreateTime into a CkDateTime...
    CkDateTime_SetFromTimestamp(dtime,CkJsonObject__stringOf(json,'QueryResponse.Account[i].MetaData.CreateTime'));
    dt := CkDateTime_GetDtObj(dtime,bLocalTime);
    Memo1.Lines.Add(IntToStr(CkDtObj_getMonth(dt)) + '/' + IntToStr(CkDtObj_getDay(dt)) + '/' + IntToStr(CkDtObj_getYear(dt)) + '  '
         + IntToStr(CkDtObj_getHour(dt)) + ':' + IntToStr(CkDtObj_getMinute(dt)));
    CkDtObj_Dispose(dt);

    Memo1.Lines.Add('----');
    i := i + 1;
  end;

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

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

// {
//   "QueryResponse": {
//     "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"
//         }
//       },
//       {
//         "Name": "Accounts Receivable (A/R)",
//         "SubAccount": false,
//         "FullyQualifiedName": "Accounts Receivable (A/R)",
//         "Active": true,
//         "Classification": "Asset",
//         "AccountType": "Accounts Receivable",
//         "AccountSubType": "AccountsReceivable",
//         "CurrentBalance": 5281.52,
//         "CurrentBalanceWithSubAccounts": 5281.52,
//         "CurrencyRef": {
//           "value": "USD",
//           "name": "United States Dollar"
//         },
//         "domain": "QBO",
//         "sparse": false,
//         "Id": "84",
//         "SyncToken": "0",
//         "MetaData": {
//           "CreateTime": "2016-09-14T14:49:29-07:00",
//           "LastUpdatedTime": "2016-09-17T13:16:17-07:00"
//         }
//       },
//       {
//         "Name": "Advertising",
//         "SubAccount": false,
//         "FullyQualifiedName": "Advertising",
//         "Active": true,
//         "Classification": "Expense",
//         "AccountType": "Expense",
//         "AccountSubType": "AdvertisingPromotional",
//         "CurrentBalance": 0,
//         "CurrentBalanceWithSubAccounts": 0,
//         "CurrencyRef": {
//           "value": "USD",
//           "name": "United States Dollar"
//         },
//         "domain": "QBO",
//         "sparse": false,
//         "Id": "7",
//         "SyncToken": "0",
//         "MetaData": {
//           "CreateTime": "2016-09-09T14:42:07-07:00",
//           "LastUpdatedTime": "2016-09-09T14:42:07-07:00"
//         }
//       },
// ...
//   "time": "2016-10-24T15:35:25.067-07:00"
// 

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

end;