Delphi DLL

Shopify Update Inventory Level for a Product (Adjust available quantity)

See more Shopify Examples

Use the adjust endpoint with the location ID and inventory item ID to increase or decrease the available quantity for an inventory level: Delphi DLL

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
http: HCkHttp;
jsonRequestBody: HCkJsonObject;
url: PWideChar;
resp: HCkHttpResponse;
jsonResponse: HCkJsonObject;
inventory_levelInventory_item_id: Integer;
inventory_levelLocation_id: Integer;
inventory_levelAvailable: Integer;
inventory_levelUpdated_at: PWideChar;
inventory_levelAdmin_graphql_api_id: PWideChar;

begin
success := False;

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

http := CkHttp_Create();

CkHttp_putLogin(http,'SHOPIFY_PRIVATE_API_KEY');
CkHttp_putPassword(http,'SHOPIFY_PRIVATE_API_KEY');

// Also see: How to retrieve inventory levels

CkHttp_putAccept(http,'application/json');

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

// {
//   "location_id": 6884556842,
//   "inventory_item_id": 12250274365496,
//   "available_adjustment": 1
// }

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

jsonRequestBody := CkJsonObject_Create();
CkJsonObject_UpdateInt(jsonRequestBody,'location_id',6884556842);
CkJsonObject_UpdateInt(jsonRequestBody,'inventory_item_id',12250274365496);
CkJsonObject_UpdateInt(jsonRequestBody,'available_adjustment',1);

url := 'https://{shop}.myshopify.com/admin/api/2020-04/inventory_levels/adjust.json';

resp := CkHttpResponse_Create();
success := CkHttp_HttpJson(http,'POST',url,jsonRequestBody,'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)));

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

if (CkHttpResponse_getStatusCode(resp) >= 300) then
  begin
    Memo1.Lines.Add('Failed.');
    Exit;
  end;

// Sample output...
// (See the parsing code below..)
// 
// Use the this online tool to generate parsing code from sample JSON: 
// Generate Parsing Code from JSON

// {
//   "inventory_level": {
//     "inventory_item_id": 12250274365496,
//     "location_id": 6884556842,
//     "available": 9,
//     "updated_at": "2018-06-26T15:04:49-04:00",
// ...
//     "admin_graphql_api_id": "gid://shopify/InventoryLevel/6485147690?inventory_item_id=12250274365496"
// ...
//   }
// }
// 

inventory_levelInventory_item_id := CkJsonObject_IntOf(jsonResponse,'inventory_level.inventory_item_id');
inventory_levelLocation_id := CkJsonObject_IntOf(jsonResponse,'inventory_level.location_id');
inventory_levelAvailable := CkJsonObject_IntOf(jsonResponse,'inventory_level.available');
inventory_levelUpdated_at := CkJsonObject__stringOf(jsonResponse,'inventory_level.updated_at');
inventory_levelAdmin_graphql_api_id := CkJsonObject__stringOf(jsonResponse,'inventory_level.admin_graphql_api_id');

CkHttp_Dispose(http);
CkJsonObject_Dispose(jsonRequestBody);
CkHttpResponse_Dispose(resp);
CkJsonObject_Dispose(jsonResponse);

end;