(Delphi DLL) eBay -- Create or Replace Inventory Item

This example shows how to create a new inventory item record or update an existing inventory item record.

See Create or Replace Inventory Item for more REST API details.

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

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, Http, StringBuilder, HttpResponse, JsonObject;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
json: HCkJsonObject;
accessToken: PWideChar;
http: HCkHttp;
url: PWideChar;
sbAuth: HCkStringBuilder;
resp: HCkHttpResponse;

begin
success := False;

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

// This example sends the following sample PUT request to create (or replace) a new inventory item.

// PUT https://api.ebay.com/sell/inventory/v1/inventory_item/GP-Cam-01
// { 
// "availability":
//     { 
//     "shipToLocationAvailability":
//         { 
//         "quantity": 50
//         }
//     },
// "condition": "NEW",
// "product":
//     { 
//     "title": "GoPro Hero4 Helmet Cam",
//     "description": "New GoPro Hero4 Helmet Cam. Unopened box.",
//     "aspects": {
//         "Brand" :["GoPro"],
//         "Type" : ["Helmet/Action"],
//         "Storage Type" : ["Removable"],
//         "Recording Definition" : ["High Definition"],
//         "Media Format" : ["Flash Drive (SSD)"],
//         "Optical Zoom" : ["10x"]
//       },
//     "imageUrls": [
//         "http://i.ebayimg.com/images/i/182196556219-0-1/s-l1000.jpg",
//         "http://i.ebayimg.com/images/i/182196556219-0-1/s-l1001.jpg",
//         "http://i.ebayimg.com/images/i/182196556219-0-1/s-l1002.jpg"
//       ]
//     }
// }

// First, generate the JSON using this code:
json := CkJsonObject_Create();
CkJsonObject_putEmitCompact(json,False);

CkJsonObject_UpdateNumber(json,'availability.shipToLocationAvailability.quantity','50');
CkJsonObject_UpdateString(json,'condition','NEW');
CkJsonObject_UpdateString(json,'product.title','GoPro Hero4 Helmet Cam');
CkJsonObject_UpdateString(json,'product.description','New GoPro Hero4 Helmet Cam. Unopened box.');
CkJsonObject_UpdateString(json,'product.aspects.Brand[0]','GoPro');
CkJsonObject_UpdateString(json,'product.aspects.Type[0]','Helmet/Action');
CkJsonObject_UpdateString(json,'product.aspects."Storage Type"[0]','Removable');
CkJsonObject_UpdateString(json,'product.aspects."Recording Definition"[0]','High Definition');
CkJsonObject_UpdateString(json,'product.aspects."Media Format"[0]','Flash Drive (SSD)');
CkJsonObject_UpdateString(json,'product.aspects."Optical Zoom"[0]','10x');
CkJsonObject_UpdateString(json,'product.imageUrls[0]','http://i.ebayimg.com/images/i/182196556219-0-1/s-l1000.jpg');
CkJsonObject_UpdateString(json,'product.imageUrls[1]','http://i.ebayimg.com/images/i/182196556219-0-1/s-l1001.jpg');
CkJsonObject_UpdateString(json,'product.imageUrls[2]','http://i.ebayimg.com/images/i/182196556219-0-1/s-l1002.jpg');

// Show the JSON to be sent:
Memo1.Lines.Add(CkJsonObject__emit(json));

// Use a previously obtained user token.  The token should look something like this:
// "v^1.1#i^1#r^0#p^3#I^3#f^0#t^H4sIAAAAAAAAAOVXa2wUVRTu9k ... 89xuCWYREAAA=="
accessToken := 'EBAY_ACCESS_TOKEN';

http := CkHttp_Create();

// This example uses the sandbox.  
// Change "api.sandbox.ebay.com" to "api.ebay.com" to use the production system.
// Note: The last part of the url is the SKU.  In this URL, the SKU is "GP-Cam-01".
url := 'https://api.sandbox.ebay.com/sell/inventory/v1/inventory_item/GP-Cam-01';
CkJsonObject_putEmitCompact(json,True);

// Set your Content-Language to whatever is desired.
CkHttp_SetRequestHeader(http,'Content-Language','en-US');

// Add our access token to the request, which is a header
// having the following format:
// Authorization: Bearer <userAccessToken>
sbAuth := CkStringBuilder_Create();
CkStringBuilder_Append(sbAuth,'Bearer ');
CkStringBuilder_Append(sbAuth,accessToken);
CkHttp_SetRequestHeader(http,'Authorization',CkStringBuilder__getAsString(sbAuth));

CkHttp_putAccept(http,'application/json');
CkHttp_putAllowGzip(http,False);

resp := CkHttpResponse_Create();
success := CkHttp_HttpStr(http,'PUT',url,CkJsonObject__emit(json),'utf-8','application/json',resp);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

Memo1.Lines.Add('Response status code = ' + IntToStr(CkHttpResponse_getStatusCode(resp)));

if (CkHttp_getLastStatus(http) <> 204) then
  begin
    Memo1.Lines.Add(CkHttpResponse__bodyStr(resp));
    Memo1.Lines.Add('Failed');
    Exit;
  end;

// On success (status code = 204), there is no output payload (strResponse will be empty).
Memo1.Lines.Add('Inventory item successfully created.');

CkJsonObject_Dispose(json);
CkHttp_Dispose(http);
CkStringBuilder_Dispose(sbAuth);
CkHttpResponse_Dispose(resp);

end;