(Delphi ActiveX) Constant Contact - Add Contacts to List

Demonstrates a call to add five existing contacts to two lists.

For more information, see https://v3.developer.constantcontact.com/api_guide/lists_overview.html#example-request----post-add_list_membership

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;
success: Integer;
json: TChilkatJsonObject;
resp: IChilkatHttpResponse;
sbResponseBody: TChilkatStringBuilder;
jResp: TChilkatJsonObject;
respStatusCode: Integer;
activity_id: WideString;
state: WideString;
created_at: WideString;
updated_at: WideString;
percent_done: Integer;
statusList_count: Integer;
v_linksSelfHref: WideString;
i: Integer;
count_i: Integer;
errMsg: WideString;

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

http := TChilkatHttp.Create(Self);

// Implements the following CURL command:

// curl -X POST \
//   https://api.cc.email/v3/activities/add_list_memberships \
//   -H 'Accept: application/json' \
//   -H 'Authorization: Bearer {access_token}' \
//   -H 'cache-control: no-cache' \
//   -H 'content-type: application/json' \
//   -d '{
//   "source": {
//     "contact_ids": [
//       "{contact_id1}",
//       "{contact_id2}",
//       "{contact_id3}",
//       "{contact_id4}",
//       "{contact_id5}",
//       "{contact_id6}"
//     ]
//   },
//   "list_ids": [
//     "{list_id1}",
//     "{list_id2}"
//   ]
// }'

// 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.

// {
//   "source": {
//     "contact_ids": [
//       "{contact_id1}",
//       "{contact_id2}",
//       "{contact_id3}",
//       "{contact_id4}",
//       "{contact_id5}",
//       "{contact_id6}"
//     ]
//   },
//   "list_ids": [
//     "{list_id1}",
//     "{list_id2}"
//   ]
// }

json := TChilkatJsonObject.Create(Self);
json.UpdateString('source.contact_ids[0]','{contact_id1}');
json.UpdateString('source.contact_ids[1]','{contact_id2}');
json.UpdateString('source.contact_ids[2]','{contact_id3}');
json.UpdateString('source.contact_ids[3]','{contact_id4}');
json.UpdateString('source.contact_ids[4]','{contact_id5}');
json.UpdateString('source.contact_ids[5]','{contact_id6}');
json.UpdateString('list_ids[0]','{list_id1}');
json.UpdateString('list_ids[1]','{list_id2}');

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

resp := http.PostJson3('https://api.cc.email/v3/activities/add_list_memberships','application/json',json.ControlInterface);
if (http.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    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)

// {
//   "activity_id": "activity_id",
//   "state": "initialized",
//   "created_at": "2018-02-28T13:49:41-05:00",
//   "updated_at": "2018-02-28T13:49:41-05:00",
//   "percent_done": 1,
//   "activity_errors": [
//   ],
//   "status": {
//     "list_count": 2
//   },
//   "_links": {
//     "self": {
//       "href": "/v3/activities/activity_id"
//     }
//   }
// }

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

activity_id := jResp.StringOf('activity_id');
state := jResp.StringOf('state');
created_at := jResp.StringOf('created_at');
updated_at := jResp.StringOf('updated_at');
percent_done := jResp.IntOf('percent_done');
statusList_count := jResp.IntOf('status.list_count');
v_linksSelfHref := jResp.StringOf('_links.self.href');
i := 0;
count_i := jResp.SizeOfArray('activity_errors');
while i < count_i do
  begin
    jResp.I := i;
    errMsg := jResp.StringOf('activity_errors[i]');
    i := i + 1;
  end;
end;