Delphi DLL Requires Chilkat v11.0.0+

Xero Upload Attachment

See more Xero Examples

Demonstrates how to upload an attachment to Xero. Delphi DLL

var
success: Boolean;
http: HCkHttp;
jsonToken: HCkJsonObject;
url: PWideChar;
bd: HCkBinData;
resp: HCkHttpResponse;
jsonResponse: HCkJsonObject;

begin
success := False;

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

http := CkHttp_Create();

//  Important: Make sure your OAuth2 access token was obtained with the scope "accounting.attachments"
//  included in the list of scopes.

jsonToken := CkJsonObject_Create();
success := CkJsonObject_LoadFile(jsonToken,'qa_data/tokens/xero-access-token.json');
if (success = False) then
  begin
    Memo1.Lines.Add(CkJsonObject__lastErrorText(jsonToken));
    Exit;
  end;

CkHttp_putAuthToken(http,CkJsonObject__stringOf(jsonToken,'access_token'));

//  Replace the value here with an actual tenant ID obtained from this example:
//  Get Xero Tenant IDs
CkHttp_SetRequestHeader(http,'Xero-tenant-id','83299b9e-5747-4a14-a18a-a6c94f824eb7');

CkHttp_putAccept(http,'application/json');

url := 'https://api.xero.com/api.xro/2.0/{$Endpoint}/{$Guid}/Attachments/{$Filename}';

//  Endpoint can be Invoices, Receipts, CreditNotes, PurchaseOrders, etc.
CkHttp_SetUrlVar(http,'Endpoint','Invoices');

//  Guid is the ID of the item, such as the InvoiceID.
CkHttp_SetUrlVar(http,'Guid','0032f627-3156-4d30-9b1c-4d3b994dc921');

//  Filename is the filename of the attachment you are uploading.
CkHttp_SetUrlVar(http,'Filename','penguins.jpg');

//  Load the file to be uploaded (from the local filesystem).
bd := CkBinData_Create();
success := CkBinData_LoadFile(bd,'qa_data/jpg/penguins.jpg');
if (success = False) then
  begin
    Memo1.Lines.Add('Failed to load attachment file.');
    Exit;
  end;

//  Indicate the content-type according to the file content type.
//  Common content-types are:   image/jpg, image/png, application/pdf, application/zip, application/msword
//  If you don't know, use application/octet-stream
resp := CkHttpResponse_Create();
success := CkHttp_HttpBd(http,'POST',url,bd,'image/jpg',resp);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

Memo1.Lines.Add('Response Status Code: ' + IntToStr(CkHttpResponse_getStatusCode(resp)));

jsonResponse := CkJsonObject_Create();
CkJsonObject_Load(jsonResponse,CkHttpResponse__bodyStr(resp));
CkJsonObject_putEmitCompact(jsonResponse,False);
Memo1.Lines.Add(CkJsonObject__emit(jsonResponse));

if (CkHttpResponse_getStatusCode(resp) <> 200) then
  begin
    Memo1.Lines.Add('Failed.');
    Exit;
  end;

//  A sample response:

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

//  {
//    "Id": "35333c64-4449-457b-bf6a-1b64d538e3c7",
//    "Status": "OK",
//    "ProviderName": "Chilkat2222",
//    "DateTimeUTC": "\/Date(1587212597758)\/",
//    "Attachments": [
//      {
//        "AttachmentID": "daf106e2-8634-4349-bfcc-86c1df0793b2",
//        "FileName": "penguins.jpg",
//        "Url": "https://api.xero.com/api.xro/2.0/Invoices/0032f627-3156-4d30-9b1c-4d3b994dc921/Attachments/penguins.jpg",
//        "MimeType": "image/jpg",
//        "ContentLength": 777835
//      }
//    ]
//  }

CkHttp_Dispose(http);
CkJsonObject_Dispose(jsonToken);
CkBinData_Dispose(bd);
CkHttpResponse_Dispose(resp);
CkJsonObject_Dispose(jsonResponse);