Delphi DLL

Constant Contact - Create a List

See more Constant Contact Examples

Create a new list using a POST call to the /contact_lists endpoint. 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, HttpResponse, JsonObject;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
http: HCkHttp;
json: HCkJsonObject;
resp: HCkHttpResponse;
sbResponseBody: HCkStringBuilder;
jResp: HCkJsonObject;
respStatusCode: Integer;
list_id: PWideChar;
name: PWideChar;
description: PWideChar;
favorite: Boolean;
created_at: PWideChar;
updated_at: 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 -X POST \
//   https://api.cc.email/v3/contact_lists \
//   -H 'Accept: application/json' \
//   -H 'Authorization: Bearer {access_token}' \
//   -H 'cache-control: no-cache' \
//   -H 'content-type: application/json' \
//   -d '{
//   "name": "Multiple purchases",
//   "favorite": true,
//   "description": "List of repeat customers"
// }'

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

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

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

// {
//   "name": "Multiple purchases",
//   "favorite": true,
//   "description": "List of repeat customers"
// }

json := CkJsonObject_Create();
CkJsonObject_UpdateString(json,'name','Multiple purchases');
CkJsonObject_UpdateBool(json,'favorite',True);
CkJsonObject_UpdateString(json,'description','List of repeat customers');

// Adds the "Authorization: Bearer ACCESS_TOKEN" header.
CkHttp_putAuthToken(http,'ACCESS_TOKEN');
CkHttp_SetRequestHeader(http,'content-type','application/json');
CkHttp_SetRequestHeader(http,'Accept','application/json');
CkHttp_SetRequestHeader(http,'cache-control','no-cache');

resp := CkHttpResponse_Create();
success := CkHttp_HttpJson(http,'POST','https://api.cc.email/v3/contact_lists',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)

// {
//   "list_id": "{list_id}",
//   "name": "Multiple purchases",
//   "description": "List of repeat customers",
//   "favorite": true,
//   "created_at": "2017-07-14T11:25:00-04:00",
//   "updated_at": "2017-07-14T11:25:00-04:00"
// }

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

list_id := CkJsonObject__stringOf(jResp,'list_id');
name := CkJsonObject__stringOf(jResp,'name');
description := CkJsonObject__stringOf(jResp,'description');
favorite := CkJsonObject_BoolOf(jResp,'favorite');
created_at := CkJsonObject__stringOf(jResp,'created_at');
updated_at := CkJsonObject__stringOf(jResp,'updated_at');

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

end;