(Delphi ActiveX) Shopify GraphQL Simple Query (Get Shop Object)

See more Shopify Examples

Demonstrates a simple Shopify GraphQL query to get specific fields of the Shop object.

For more information, see https://www.shopify.com/partners/blog/shopify-graphql-learning-kit#query-structure

Chilkat for Delphi Downloads Chilkat ActiveX DLL for Delphi Chilkat non-ActiveX DLL for Delphi * The examples here use the ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: TChilkatHttp;
query: WideString;
url: WideString;
resp: IChilkatHttpResponse;
sbResponseBody: TChilkatStringBuilder;
jResp: TChilkatJsonObject;
respStatusCode: Integer;
shopId: WideString;
shopName: WideString;
shopDescription: WideString;
shopEmail: WideString;
costRequestedQueryCost: Integer;
costActualQueryCost: Integer;
costThrottleStatusMaximumAvailable: WideString;
costThrottleStatusCurrentlyAvailable: Integer;
costThrottleStatusRestoreRate: WideString;

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

http := TChilkatHttp.Create(Self);

// This example will use private authentication (which is HTTP Basic authentication)
// See the other Chilkat Shopify examples for OAuth2 authentication.
// To use HTTP Basic Authentication with any HTTP request, we simply set the Login, Password, and BasicAuth properties.
// Important: All HTTP requests using Basic authentication must be over SSL/TLS.
http.Login := 'SHOPIFY_PRIVATE_API_KEY';
http.Password := 'SHOPIFY_PRIVATE_API_SECRET_KEY';
http.BasicAuth := 1;

// We're going to do a POST  https://{shop}.myshopify.com/admin/api/2021-04/graphql.json
// Make sure to replace "chilkat" with your store name.

// The body of the request will be:
//    {
//        shop {
//            id
//            name
//            description
//            email
//         }
//     }

// The above query is not JSON.  It looks like JSON, but it's actually not.
// We'll just make it one line:

query := '{ shop { id name description email } }';

// My store name is "chilkat".  Use your store name here instead.
url := 'https://chilkat.myshopify.com/admin/api/2021-04/graphql.json';

resp := http.PText('POST',url,query,'utf-8','application/graphql',0,0);
if (http.LastMethodSuccess <> 1) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

// Examine the response code.
if (resp.StatusCode <> 200) then
  begin
    Memo1.Lines.Add('Received error response code: ' + IntToStr(resp.StatusCode));
    Memo1.Lines.Add('Response body:');
    Memo1.Lines.Add(resp.BodyStr);

    Exit;
  end;

sbResponseBody := TChilkatStringBuilder.Create(Self);
resp.GetBodySb(sbResponseBody.ControlInterface);
jResp := TChilkatJsonObject.Create(Self);
jResp.LoadSb(sbResponseBody.ControlInterface);
jResp.EmitCompact := 0;

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

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

    Exit;
  end;

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

// {
//   "data": {
//     "shop": {
//       "id": "gid:\/\/shopify\/Shop\/24198053",
//       "name": "chilkat",
//       "description": null,
//       "email": "admin@chilkatsoft.com"
//     }
//   },
//   "extensions": {
//     "cost": {
//       "requestedQueryCost": 1,
//       "actualQueryCost": 1,
//       "throttleStatus": {
//         "maximumAvailable": 1000.0,
//         "currentlyAvailable": 999,
//         "restoreRate": 50.0
//       }
//     }
//   }
// }

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

shopId := jResp.StringOf('data.shop.id');
shopName := jResp.StringOf('data.shop.name');
shopDescription := jResp.StringOf('data.shop.description');
shopEmail := jResp.StringOf('data.shop.email');
costRequestedQueryCost := jResp.IntOf('extensions.cost.requestedQueryCost');
costActualQueryCost := jResp.IntOf('extensions.cost.actualQueryCost');
costThrottleStatusMaximumAvailable := jResp.StringOf('extensions.cost.throttleStatus.maximumAvailable');
costThrottleStatusCurrentlyAvailable := jResp.IntOf('extensions.cost.throttleStatus.currentlyAvailable');
costThrottleStatusRestoreRate := jResp.StringOf('extensions.cost.throttleStatus.restoreRate');

Memo1.Lines.Add('Shop name: ' + shopName);
// ...
end;