(DataFlex) QuickBooks - Query a Customer

Demonstrates how to query QuickBooks customers.

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

For more information, see https://developer.intuit.com/app/developer/qbo/docs/api/accounting/all-entities/customer#query-a-customer

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
Token    Handle hoJsonToken
    Boolean iSuccess
    Handle hoRest
    Boolean iBAutoReconnect
    Handle hoSbAuth
    String sQuery
    String sResponseBody
    Handle hoJson
    Integer iNumRecords
    Integer i
    String sTemp1
    Integer iTemp1
    Boolean bTemp1

    // 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"
    // }

    Get Create (RefClass(cComChilkatJsonObject)) To hoJsonToken
    If (Not(IsComObjectCreated(hoJsonToken))) Begin
        Send CreateComObject of hoJsonToken
    End
    Get ComLoadFile Of hoJsonToken "qa_data/tokens/qb-access-token.json" To iSuccess

    Get Create (RefClass(cComChilkatRest)) To hoRest
    If (Not(IsComObjectCreated(hoRest))) Begin
        Send CreateComObject of hoRest
    End

    // 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.
    Move True To iBAutoReconnect
    Get ComConnect Of hoRest "sandbox-quickbooks.api.intuit.com" 443 True iBAutoReconnect To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoRest To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get Create (RefClass(cComChilkatStringBuilder)) To hoSbAuth
    If (Not(IsComObjectCreated(hoSbAuth))) Begin
        Send CreateComObject of hoSbAuth
    End
    Get ComAppend Of hoSbAuth "Bearer " To iSuccess
    Get ComStringOf Of hoJsonToken "access_token" To sTemp1
    Get ComAppend Of hoSbAuth sTemp1 To iSuccess
    Get ComGetAsString Of hoSbAuth To sTemp1
    Set ComAuthorization Of hoRest To sTemp1

    Get ComAddHeader Of hoRest "Accept" "application/json" To iSuccess
    Set ComAllowHeaderFolding Of hoRest To False

    Move "select * from Customer" To sQuery
    Get ComAddQueryParam Of hoRest "query" sQuery To iSuccess
    Get ComAddQueryParam Of hoRest "minorversion" "45" To iSuccess

    // The company ID is 123146096291789
    Get ComFullRequestNoBody Of hoRest "GET" "/v3/company/123146096291789/query" To sResponseBody
    Get ComLastMethodSuccess Of hoRest To bTemp1
    If (bTemp1 <> True) Begin
        Get ComLastErrorText Of hoRest To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // We should expect a 200 response if successful.
    Get ComResponseStatusCode Of hoRest To iTemp1
    If (iTemp1 <> 200) Begin
        Showln "Request Header: "
        Get ComLastRequestHeader Of hoRest To sTemp1
        Showln sTemp1
        Showln "----"
        Get ComResponseStatusCode Of hoRest To iTemp1
        Showln "Response StatusCode = " iTemp1
        Get ComResponseStatusText Of hoRest To sTemp1
        Showln "Response StatusLine: " sTemp1
        Showln "Response Header:"
        Get ComResponseHeader Of hoRest To sTemp1
        Showln sTemp1
        Showln sResponseBody
        Procedure_Return
    End

    // Load the JSON response into a JSON object for parsing.
    // A sample JSON response is shown below.
    Get Create (RefClass(cComChilkatJsonObject)) To hoJson
    If (Not(IsComObjectCreated(hoJson))) Begin
        Send CreateComObject of hoJson
    End
    Set ComEmitCompact Of hoJson To False
    Get ComLoad Of hoJson sResponseBody To iSuccess

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

    // Iterate over each customer returned.
    Get ComSizeOfArray Of hoJson "QueryResponse.Customer" To iNumRecords
    Move 0 To i
    While (i < iNumRecords)

        Set ComI Of hoJson To i
        Get ComStringOf Of hoJson "QueryResponse.Customer[i].FullyQualifiedName" To sTemp1
        Showln "Name: " sTemp1
        Get ComStringOf Of hoJson "QueryResponse.Customer[i].Id" To sTemp1
        Showln "Id: " sTemp1
        Get ComStringOf Of hoJson "QueryResponse.Customer[i].BillAddr.City" To sTemp1
        Showln "City: " sTemp1
        Showln "----"
        Move (i + 1) To i
    Loop

    Showln "Success."


End_Procedure