Pascal (Lazarus/Delphi)

Lightspeed - Upload an Image

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Create (uploads) a new product image. Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Http,
  Chilkat.BinData,
  Chilkat.StringBuilder,
  Chilkat.HttpResponse,
  Chilkat.JsonObject;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  http: THttp;
  bdImage: TBinData;
  json: TJsonObject;
  resp: THttpResponse;
  sbResponseBody: TStringBuilder;
  jResp: TJsonObject;
  respStatusCode: Integer;
  productImageId: Integer;
  productImageSortOrder: Integer;
  productImageCreatedAt: string;
  productImageUpdatedAt: string;
  productImageExtension: string;
  productImageSize: Integer;
  productImageTitle: string;
  productImageThumb: string;
  productImageSrc: string;

begin
  success := False;

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

  http := THttp.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

  http.Login := 'API_KEY';
  http.Password := '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 := TBinData.Create;
  success := bdImage.LoadFile('qa_data/jpg/starfish.jpg');
  if (success = False) then
    begin
      WriteLn('Failed to load image file.');
      Exit;
    end;

  json := TJsonObject.Create;
  json.UpdateString('productImage.attachment',bdImage.GetEncoded('base64'));
  json.UpdateString('productImage.filename','starfish.jpg');

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

  //  The product ID in the URL is "112265200".
  resp := THttpResponse.Create;
  success := http.HttpJson('POST','https://api.webshopapp.com/en/products/112265200/images.json',json,'application/json',resp);
  if (success = False) then
    begin
      WriteLn(http.LastErrorText);
      Exit;
    end;

  sbResponseBody := TStringBuilder.Create;
  resp.GetBodySb(sbResponseBody);
  jResp := TJsonObject.Create;
  jResp.LoadSb(sbResponseBody);
  jResp.EmitCompact := False;

  WriteLn('Response Body:');
  WriteLn(jResp.Emit());

  respStatusCode := resp.StatusCode;
  WriteLn('Response Status Code = ' + respStatusCode);
  if (respStatusCode >= 400) then
    begin
      WriteLn('Response Header:');
      WriteLn(resp.Header);
      WriteLn('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 := jResp.IntOf('productImage.id');
  productImageSortOrder := jResp.IntOf('productImage.sortOrder');
  productImageCreatedAt := jResp.StringOf('productImage.createdAt');
  productImageUpdatedAt := jResp.StringOf('productImage.updatedAt');
  productImageExtension := jResp.StringOf('productImage.extension');
  productImageSize := jResp.IntOf('productImage.size');
  productImageTitle := jResp.StringOf('productImage.title');
  productImageThumb := jResp.StringOf('productImage.thumb');
  productImageSrc := jResp.StringOf('productImage.src');


  http.Free;
  bdImage.Free;
  json.Free;
  resp.Free;
  sbResponseBody.Free;
  jResp.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.