Delphi DLL

Constant Contact - Add Contacts to List

See more Constant Contact Examples

Demonstrates a call to add five existing contacts to two lists. 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;
activity_id: PWideChar;
state: PWideChar;
created_at: PWideChar;
updated_at: PWideChar;
percent_done: Integer;
statusList_count: Integer;
v_linksSelfHref: PWideChar;
i: Integer;
count_i: Integer;
errMsg: 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/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 := CkJsonObject_Create();
CkJsonObject_UpdateString(json,'source.contact_ids[0]','{contact_id1}');
CkJsonObject_UpdateString(json,'source.contact_ids[1]','{contact_id2}');
CkJsonObject_UpdateString(json,'source.contact_ids[2]','{contact_id3}');
CkJsonObject_UpdateString(json,'source.contact_ids[3]','{contact_id4}');
CkJsonObject_UpdateString(json,'source.contact_ids[4]','{contact_id5}');
CkJsonObject_UpdateString(json,'source.contact_ids[5]','{contact_id6}');
CkJsonObject_UpdateString(json,'list_ids[0]','{list_id1}');
CkJsonObject_UpdateString(json,'list_ids[1]','{list_id2}');

// 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/activities/add_list_memberships',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)

// {
//   "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 := CkJsonObject__stringOf(jResp,'activity_id');
state := CkJsonObject__stringOf(jResp,'state');
created_at := CkJsonObject__stringOf(jResp,'created_at');
updated_at := CkJsonObject__stringOf(jResp,'updated_at');
percent_done := CkJsonObject_IntOf(jResp,'percent_done');
statusList_count := CkJsonObject_IntOf(jResp,'status.list_count');
v_linksSelfHref := CkJsonObject__stringOf(jResp,'_links.self.href');
i := 0;
count_i := CkJsonObject_SizeOfArray(jResp,'activity_errors');
while i < count_i do
  begin
    CkJsonObject_putI(jResp,i);
    errMsg := CkJsonObject__stringOf(jResp,'activity_errors[i]');
    i := i + 1;
  end;

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

end;