Delphi DLL

Lightspeed - Upload an Image

See more Lightspeed Examples

Create (uploads) a new product image. Delphi DLL

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Http, BinData, StringBuilder, HttpResponse, JsonObject;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
http: HCkHttp;
bdImage: HCkBinData;
json: HCkJsonObject;
resp: HCkHttpResponse;
sbResponseBody: HCkStringBuilder;
jResp: HCkJsonObject;
respStatusCode: Integer;
productImageId: Integer;
productImageSortOrder: Integer;
productImageCreatedAt: PWideChar;
productImageUpdatedAt: PWideChar;
productImageExtension: PWideChar;
productImageSize: Integer;
productImageTitle: PWideChar;
productImageThumb: PWideChar;
productImageSrc: PWideChar;

begin
success := False;

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

http := CkHttp_Create();

// Implements the following CURL command:

// curl   -u API_KEY:API_SECRET \
//     -H "Content-Type: application/json" \
//     -X POST \
//     -d '{
//   "productImage": {
//     "attachment": "base64-encoded-contents",
//     "filename": "the-filename-with-extension-goes-here.jpg"
//   }
// }' \
// "https://api.webshopapp.com/en/products/product_id/images.json"

// Use the following online tool to generate HTTP code from a CURL command
// Convert a cURL Command to HTTP Source Code

CkHttp_putLogin(http,'API_KEY');
CkHttp_putPassword(http,'API_SECRET');

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

// The following JSON is sent in the request body.

// {
//   "productImage": {
//     "attachment": "base64-encoded-contents",
//     "filename": "the-filename-with-extension-goes-here.jpg"
//   }
// }

bdImage := CkBinData_Create();
success := CkBinData_LoadFile(bdImage,'qa_data/jpg/starfish.jpg');
if (success = False) then
  begin
    Memo1.Lines.Add('Failed to load image file.');
    Exit;
  end;

json := CkJsonObject_Create();
CkJsonObject_UpdateString(json,'productImage.attachment',CkBinData__getEncoded(bdImage,'base64'));
CkJsonObject_UpdateString(json,'productImage.filename','starfish.jpg');

CkHttp_SetRequestHeader(http,'Content-Type','application/json');

// The product ID in the URL is "112265200".
resp := CkHttpResponse_Create();
success := CkHttp_HttpJson(http,'POST','https://api.webshopapp.com/en/products/112265200/images.json',json,'application/json',resp);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

sbResponseBody := CkStringBuilder_Create();
CkHttpResponse_GetBodySb(resp,sbResponseBody);
jResp := CkJsonObject_Create();
CkJsonObject_LoadSb(jResp,sbResponseBody);
CkJsonObject_putEmitCompact(jResp,False);

Memo1.Lines.Add('Response Body:');
Memo1.Lines.Add(CkJsonObject__emit(jResp));

respStatusCode := CkHttpResponse_getStatusCode(resp);
Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkHttpResponse__header(resp));
    Memo1.Lines.Add('Failed.');
    Exit;
  end;

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// {
//   "productImage": {
//     "id": 13362569,
//     "sortOrder": 3,
//     "createdAt": "2019-06-06T14:52:07+00:00",
//     "updatedAt": "2019-06-06T14:52:07+00:00",
//     "extension": "png",
//     "size": 8016,
//     "title": "logo",
//     "thumb": "https://cdn.shoplightspeed.com/shops/000001/files/14271562/50x50x2/logo.png",
//     "src": "https://cdn.shoplightspeed.com/shops/000001/files/14271562/logo.png"
//   }
// }

// Sample code for parsing the JSON response...
// Use the following online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON

productImageId := CkJsonObject_IntOf(jResp,'productImage.id');
productImageSortOrder := CkJsonObject_IntOf(jResp,'productImage.sortOrder');
productImageCreatedAt := CkJsonObject__stringOf(jResp,'productImage.createdAt');
productImageUpdatedAt := CkJsonObject__stringOf(jResp,'productImage.updatedAt');
productImageExtension := CkJsonObject__stringOf(jResp,'productImage.extension');
productImageSize := CkJsonObject_IntOf(jResp,'productImage.size');
productImageTitle := CkJsonObject__stringOf(jResp,'productImage.title');
productImageThumb := CkJsonObject__stringOf(jResp,'productImage.thumb');
productImageSrc := CkJsonObject__stringOf(jResp,'productImage.src');

CkHttp_Dispose(http);
CkBinData_Dispose(bdImage);
CkJsonObject_Dispose(json);
CkHttpResponse_Dispose(resp);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);

end;