(Unicode C++) Quickbooks Query an Invoice

Demonstrates how to query for invoices matching a SELECT statement via the Quickbooks REST API.

For more information, see https://www.developer.intuit.com/app/developer/qbo/docs/api/accounting/most-commonly-used/invoice#query-an-invoice

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#include <CkJsonObjectW.h>
#include <CkRestW.h>
#include <CkStringBuilderW.h>

void ChilkatSample(void)
    {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // First get our previously obtained OAuth2 access token.
    CkJsonObjectW jsonToken;
    bool success = jsonToken.LoadFile(L"qa_data/tokens/qb-access-token.json");

    CkRestW rest;

    bool bTls = true;
    int port = 443;
    bool bAutoReconnect = true;
    bool success = rest.Connect(L"sandbox-quickbooks.api.intuit.com",port,bTls,bAutoReconnect);

    CkStringBuilderW sbAuth;
    sbAuth.Append(L"Bearer ");
    sbAuth.Append(jsonToken.stringOf(L"access_token"));
    rest.put_Authorization(sbAuth.getAsString());

    // --------------------------------------------------------------------------
    // Note: The above REST connection and setup of the AWS credentials
    // can be done once.  After connecting, any number of REST calls can be made.
    // The "auto reconnect" property passed to rest.Connect indicates that if
    // the connection is lost, a REST method call will automatically reconnect
    // if needed.
    // --------------------------------------------------------------------------

    // This is a GET request, so there should be no Content-Type
    // This line of code is just to make sure..
    rest.RemoveHeader(L"Content-Type");

    rest.AddHeader(L"Accept",L"application/json");
    rest.put_AllowHeaderFolding(false);

    // Add a SELECT statement 
    rest.AddQueryParam(L"query",L"select * from Invoice where id = '239'");

    CkStringBuilderW sbResponseBody;
    success = rest.FullRequestNoBodySb(L"GET",L"/v3/company/<realmID>/invoice",sbResponseBody);
    if (success != true) {
        wprintf(L"%s\n",rest.lastErrorText());
        return;
    }

    int respStatusCode = rest.get_ResponseStatusCode();
    if (respStatusCode >= 400) {
        wprintf(L"Response Status Code = %d\n",respStatusCode);
        wprintf(L"Response Header:\n");
        wprintf(L"%s\n",rest.responseHeader());
        wprintf(L"Response Body:\n");
        wprintf(L"%s\n",sbResponseBody.getAsString());
        return;
    }

    // Success is indicated by a 200 response status.
    wprintf(L"response status code = %d\n",respStatusCode);

    CkJsonObjectW json;
    json.LoadSb(sbResponseBody);
    json.put_EmitCompact(false);
    wprintf(L"%s\n",json.emit());

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

    // {
    //   "QueryResponse": {
    //     "startPosition": 1, 
    //     "totalCount": 1, 
    //     "maxResults": 1, 
    //     "Invoice": [
    //       {
    //         "DocNumber": "1070", 
    //         "SyncToken": "0", 
    //         "domain": "QBO", 
    //         "Balance": 150.0, 
    //         "BillAddr": {
    //           "City": "Bayshore", 
    //           "Line1": "4581 Finch St.", 
    //           "PostalCode": "94326", 
    //           "Lat": "INVALID", 
    //           "Long": "INVALID", 
    //           "CountrySubDivisionCode": "CA", 
    //           "Id": "2"
    //         }, 
    //         "TxnDate": "2015-07-24", 
    //         "TotalAmt": 150.0, 
    //         "CustomerRef": {
    //           "name": "Amy's Bird Sanctuary", 
    //           "value": "1"
    //         }, 
    //         "ShipAddr": {
    //           "City": "Bayshore", 
    //           "Line1": "4581 Finch St.", 
    //           "PostalCode": "94326", 
    //           "Lat": "INVALID", 
    //           "Long": "INVALID", 
    //           "CountrySubDivisionCode": "CA", 
    //           "Id": "109"
    //         }, 
    //         "LinkedTxn": [], 
    //         "DueDate": "2015-08-23", 
    //         "PrintStatus": "NeedToPrint", 
    //         "Deposit": 0, 
    //         "sparse": false, 
    //         "EmailStatus": "NotSet", 
    //         "Line": [
    //           {
    //             "LineNum": 1, 
    //             "Amount": 150.0, 
    //             "SalesItemLineDetail": {
    //               "TaxCodeRef": {
    //                 "value": "NON"
    //               }, 
    //               "ItemRef": {
    //                 "name": "Services", 
    //                 "value": "1"
    //               }
    //             }, 
    //             "Id": "1", 
    //             "DetailType": "SalesItemLineDetail"
    //           }, 
    //           {
    //             "DetailType": "SubTotalLineDetail", 
    //             "Amount": 150.0, 
    //             "SubTotalLineDetail": {}
    //           }
    //         ], 
    //         "ApplyTaxAfterDiscount": false, 
    //         "CustomField": [
    //           {
    //             "DefinitionId": "1", 
    //             "Type": "StringType", 
    //             "Name": "Crew #"
    //           }
    //         ], 
    //         "Id": "239", 
    //         "TxnTaxDetail": {
    //           "TotalTax": 0
    //         }, 
    //         "MetaData": {
    //           "CreateTime": "2015-07-24T10:35:08-07:00", 
    //           "LastUpdatedTime": "2015-07-24T10:35:08-07:00"
    //         }
    //       }
    //     ]
    //   }, 
    //   "time": "2015-07-24T10:38:50.01-07:00"
    // }

    // Chilkat functions returning "const char *" return a pointer to temporary internal memory owned and managed by Chilkat.
    // See this example explaining how this memory should be used: const char * functions.

    const wchar_t *DocNumber = 0;
    const wchar_t *SyncToken = 0;
    const wchar_t *domain = 0;
    const wchar_t *Balance = 0;
    const wchar_t *BillAddrCity = 0;
    const wchar_t *BillAddrLine1 = 0;
    const wchar_t *BillAddrPostalCode = 0;
    const wchar_t *BillAddrLat = 0;
    const wchar_t *BillAddrLong = 0;
    const wchar_t *BillAddrCountrySubDivisionCode = 0;
    const wchar_t *BillAddrId = 0;
    const wchar_t *TxnDate = 0;
    const wchar_t *TotalAmt = 0;
    const wchar_t *CustomerRefName = 0;
    const wchar_t *CustomerRefValue = 0;
    const wchar_t *ShipAddrCity = 0;
    const wchar_t *ShipAddrLine1 = 0;
    const wchar_t *ShipAddrPostalCode = 0;
    const wchar_t *ShipAddrLat = 0;
    const wchar_t *ShipAddrLong = 0;
    const wchar_t *ShipAddrCountrySubDivisionCode = 0;
    const wchar_t *ShipAddrId = 0;
    const wchar_t *DueDate = 0;
    const wchar_t *PrintStatus = 0;
    int Deposit;
    bool sparse;
    const wchar_t *EmailStatus = 0;
    bool ApplyTaxAfterDiscount;
    const wchar_t *Id = 0;
    int TxnTaxDetailTotalTax;
    const wchar_t *MetaDataCreateTime = 0;
    const wchar_t *MetaDataLastUpdatedTime = 0;
    int j;
    int count_j;
    int LineNum;
    const wchar_t *Amount = 0;
    const wchar_t *SalesItemLineDetailTaxCodeRefValue = 0;
    const wchar_t *SalesItemLineDetailItemRefName = 0;
    const wchar_t *SalesItemLineDetailItemRefValue = 0;
    const wchar_t *DetailType = 0;
    const wchar_t *DefinitionId = 0;
    const wchar_t *invType = 0;
    const wchar_t *Name = 0;

    int QueryResponseStartPosition = json.IntOf(L"QueryResponse.startPosition");
    int QueryResponseTotalCount = json.IntOf(L"QueryResponse.totalCount");
    int QueryResponseMaxResults = json.IntOf(L"QueryResponse.maxResults");
    const wchar_t *time = json.stringOf(L"time");
    int i = 0;
    int count_i = json.SizeOfArray(L"QueryResponse.Invoice");
    while (i < count_i) {
        json.put_I(i);
        DocNumber = json.stringOf(L"QueryResponse.Invoice[i].DocNumber");
        SyncToken = json.stringOf(L"QueryResponse.Invoice[i].SyncToken");
        domain = json.stringOf(L"QueryResponse.Invoice[i].domain");
        Balance = json.stringOf(L"QueryResponse.Invoice[i].Balance");
        BillAddrCity = json.stringOf(L"QueryResponse.Invoice[i].BillAddr.City");
        BillAddrLine1 = json.stringOf(L"QueryResponse.Invoice[i].BillAddr.Line1");
        BillAddrPostalCode = json.stringOf(L"QueryResponse.Invoice[i].BillAddr.PostalCode");
        BillAddrLat = json.stringOf(L"QueryResponse.Invoice[i].BillAddr.Lat");
        BillAddrLong = json.stringOf(L"QueryResponse.Invoice[i].BillAddr.Long");
        BillAddrCountrySubDivisionCode = json.stringOf(L"QueryResponse.Invoice[i].BillAddr.CountrySubDivisionCode");
        BillAddrId = json.stringOf(L"QueryResponse.Invoice[i].BillAddr.Id");
        TxnDate = json.stringOf(L"QueryResponse.Invoice[i].TxnDate");
        TotalAmt = json.stringOf(L"QueryResponse.Invoice[i].TotalAmt");
        CustomerRefName = json.stringOf(L"QueryResponse.Invoice[i].CustomerRef.name");
        CustomerRefValue = json.stringOf(L"QueryResponse.Invoice[i].CustomerRef.value");
        ShipAddrCity = json.stringOf(L"QueryResponse.Invoice[i].ShipAddr.City");
        ShipAddrLine1 = json.stringOf(L"QueryResponse.Invoice[i].ShipAddr.Line1");
        ShipAddrPostalCode = json.stringOf(L"QueryResponse.Invoice[i].ShipAddr.PostalCode");
        ShipAddrLat = json.stringOf(L"QueryResponse.Invoice[i].ShipAddr.Lat");
        ShipAddrLong = json.stringOf(L"QueryResponse.Invoice[i].ShipAddr.Long");
        ShipAddrCountrySubDivisionCode = json.stringOf(L"QueryResponse.Invoice[i].ShipAddr.CountrySubDivisionCode");
        ShipAddrId = json.stringOf(L"QueryResponse.Invoice[i].ShipAddr.Id");
        DueDate = json.stringOf(L"QueryResponse.Invoice[i].DueDate");
        PrintStatus = json.stringOf(L"QueryResponse.Invoice[i].PrintStatus");
        Deposit = json.IntOf(L"QueryResponse.Invoice[i].Deposit");
        sparse = json.BoolOf(L"QueryResponse.Invoice[i].sparse");
        EmailStatus = json.stringOf(L"QueryResponse.Invoice[i].EmailStatus");
        ApplyTaxAfterDiscount = json.BoolOf(L"QueryResponse.Invoice[i].ApplyTaxAfterDiscount");
        Id = json.stringOf(L"QueryResponse.Invoice[i].Id");
        TxnTaxDetailTotalTax = json.IntOf(L"QueryResponse.Invoice[i].TxnTaxDetail.TotalTax");
        MetaDataCreateTime = json.stringOf(L"QueryResponse.Invoice[i].MetaData.CreateTime");
        MetaDataLastUpdatedTime = json.stringOf(L"QueryResponse.Invoice[i].MetaData.LastUpdatedTime");
        j = 0;
        count_j = json.SizeOfArray(L"QueryResponse.Invoice[i].LinkedTxn");
        while (j < count_j) {
            json.put_J(j);
            j = j + 1;
        }

        j = 0;
        count_j = json.SizeOfArray(L"QueryResponse.Invoice[i].Line");
        while (j < count_j) {
            json.put_J(j);
            LineNum = json.IntOf(L"QueryResponse.Invoice[i].Line[j].LineNum");
            Amount = json.stringOf(L"QueryResponse.Invoice[i].Line[j].Amount");
            SalesItemLineDetailTaxCodeRefValue = json.stringOf(L"QueryResponse.Invoice[i].Line[j].SalesItemLineDetail.TaxCodeRef.value");
            SalesItemLineDetailItemRefName = json.stringOf(L"QueryResponse.Invoice[i].Line[j].SalesItemLineDetail.ItemRef.name");
            SalesItemLineDetailItemRefValue = json.stringOf(L"QueryResponse.Invoice[i].Line[j].SalesItemLineDetail.ItemRef.value");
            Id = json.stringOf(L"QueryResponse.Invoice[i].Line[j].Id");
            DetailType = json.stringOf(L"QueryResponse.Invoice[i].Line[j].DetailType");
            j = j + 1;
        }

        j = 0;
        count_j = json.SizeOfArray(L"QueryResponse.Invoice[i].CustomField");
        while (j < count_j) {
            json.put_J(j);
            DefinitionId = json.stringOf(L"QueryResponse.Invoice[i].CustomField[j].DefinitionId");
            invType = json.stringOf(L"QueryResponse.Invoice[i].CustomField[j].Type");
            Name = json.stringOf(L"QueryResponse.Invoice[i].CustomField[j].Name");
            j = j + 1;
        }

        i = i + 1;
    }
    }