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Delphi DLL

Square API - List Catalog

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Returns a list of CatalogObjects that includes all objects of a set of desired types (for example, all CatalogItem and CatalogTax objects) in the catalog.

Chilkat Delphi DLL Downloads

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
http: HCkHttp;
sbResponseBody: HCkStringBuilder;
jResp: HCkJsonObject;
respStatusCode: Integer;
v_type: PWideChar;
id: PWideChar;
updated_at: PWideChar;
version: Integer;
is_deleted: Boolean;
present_at_all_locations: Boolean;
category_dataName: PWideChar;
tax_dataName: PWideChar;
tax_dataCalculation_phase: PWideChar;
tax_dataInclusion_type: PWideChar;
tax_dataPercentage: PWideChar;
tax_dataEnabled: Boolean;
i: Integer;
count_i: Integer;

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 https://connect.squareup.com/v2/catalog/list?types=category%2Ctax \
//   -H 'Square-Version: 2020-07-22' \
//   -H 'Authorization: Bearer ACCESS_TOKEN' \
//   -H 'Content-Type: application/json'

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

// Adds the "Authorization: Bearer ACCESS_TOKEN" header.
CkHttp_putAuthToken(http,'ACCESS_TOKEN');
CkHttp_SetRequestHeader(http,'Square-Version','2020-07-22');
CkHttp_SetRequestHeader(http,'Content-Type','application/json');

// This example uses the sandbox: connect.squareupsandbox.com
// Production should use connect.squareup.com
sbResponseBody := CkStringBuilder_Create();
success := CkHttp_QuickGetSb(http,'https://connect.squareupsandbox.com/v2/catalog/list?types=item,category,tax,image',sbResponseBody);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

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

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

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

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

// {
//   "objects": [
//     {
//       "type": "CATEGORY",
//       "id": "5ZYQZZ2IECPVJ2IJ5KQPRDC3",
//       "updated_at": "2017-02-21T14:50:26.495Z",
//       "version": 1487688626495,
//       "is_deleted": false,
//       "present_at_all_locations": true,
//       "category_data": {
//         "name": "Beverages"
//       }
//     },
//     {
//       "type": "TAX",
//       "id": "L5R47DGBZOOVKCAFIXC56AEN",
//       "updated_at": "2017-02-21T14:50:26.495Z",
//       "version": 1487688626495,
//       "is_deleted": false,
//       "present_at_all_locations": true,
//       "tax_data": {
//         "name": "Sales Tax",
//         "calculation_phase": "TAX_SUBTOTAL_PHASE",
//         "inclusion_type": "ADDITIVE",
//         "percentage": "5.0",
//         "enabled": true
//       }
//     }
//   ]
// }

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

i := 0;
count_i := CkJsonObject_SizeOfArray(jResp,'objects');
while i < count_i do
  begin
    CkJsonObject_putI(jResp,i);
    v_type := CkJsonObject__stringOf(jResp,'objects[i].type');
    id := CkJsonObject__stringOf(jResp,'objects[i].id');
    updated_at := CkJsonObject__stringOf(jResp,'objects[i].updated_at');
    version := CkJsonObject_IntOf(jResp,'objects[i].version');
    is_deleted := CkJsonObject_BoolOf(jResp,'objects[i].is_deleted');
    present_at_all_locations := CkJsonObject_BoolOf(jResp,'objects[i].present_at_all_locations');
    category_dataName := CkJsonObject__stringOf(jResp,'objects[i].category_data.name');
    tax_dataName := CkJsonObject__stringOf(jResp,'objects[i].tax_data.name');
    tax_dataCalculation_phase := CkJsonObject__stringOf(jResp,'objects[i].tax_data.calculation_phase');
    tax_dataInclusion_type := CkJsonObject__stringOf(jResp,'objects[i].tax_data.inclusion_type');
    tax_dataPercentage := CkJsonObject__stringOf(jResp,'objects[i].tax_data.percentage');
    tax_dataEnabled := CkJsonObject_BoolOf(jResp,'objects[i].tax_data.enabled');
    i := i + 1;
  end;

CkHttp_Dispose(http);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);

end;