Delphi ActiveX Google Calendar: List Calendars

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Returns entries on the user's calendar list.

Documentation: https://developers.google.com/google-apps/calendar/v3/reference/calendarList/list

var
rest: TChilkatRest;
success: Integer;
oauth2: TChilkatOAuth2;
sbJson: TChilkatStringBuilder;
json: TChilkatJsonObject;
kind: WideString;
etag: WideString;
nextSyncToken: WideString;
i: Integer;
count_i: Integer;
id: WideString;
summary: WideString;
timeZone: WideString;
colorId: WideString;
backgroundColor: WideString;
foregroundColor: WideString;
selected: Integer;
accessRole: WideString;
primary: Integer;
j: Integer;
count_j: Integer;
method: WideString;
minutes: Integer;
type: WideString;

begin
rest := TChilkatRest.Create(Self);

//   Provide a previously obtained OAuth2 access token.
oauth2 := TChilkatOAuth2.Create(Self);
oauth2.AccessToken := 'OAUTH2_ACCESS_TOKEN';
rest.SetAuthOAuth2(oauth2.ControlInterface);

success := rest.Connect('www.googleapis.com',443,1,1);
if (success <> 1) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;

sbJson := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestNoBodySb('GET','/calendar/v3/users/me/calendarList',sbJson.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;

if (rest.ResponseStatusCode <> 200) then
  begin
    Memo1.Lines.Add('Received error response code: ' + IntToStr(rest.ResponseStatusCode));
    Memo1.Lines.Add('Response body:');
    Memo1.Lines.Add(sbJson.GetAsString());
    Exit;
  end;

json := TChilkatJsonObject.Create(Self);
json.LoadSb(sbJson.ControlInterface);

//  The following code parses the JSON response.
//  A sample JSON response is shown below the sample code.

kind := json.StringOf('kind');
etag := json.StringOf('etag');
nextSyncToken := json.StringOf('nextSyncToken');
i := 0;
count_i := json.SizeOfArray('items');
while i < count_i do
  begin
    json.I := i;
    kind := json.StringOf('items[i].kind');
    etag := json.StringOf('items[i].etag');
    id := json.StringOf('items[i].id');
    summary := json.StringOf('items[i].summary');
    timeZone := json.StringOf('items[i].timeZone');
    colorId := json.StringOf('items[i].colorId');
    backgroundColor := json.StringOf('items[i].backgroundColor');
    foregroundColor := json.StringOf('items[i].foregroundColor');
    selected := json.BoolOf('items[i].selected');
    accessRole := json.StringOf('items[i].accessRole');
    primary := json.BoolOf('items[i].primary');
    j := 0;
    count_j := json.SizeOfArray('items[i].defaultReminders');
    while j < count_j do
      begin
        json.J := j;
        method := json.StringOf('items[i].defaultReminders[j].method');
        minutes := json.IntOf('items[i].defaultReminders[j].minutes');
        j := j + 1;
      end;

    j := 0;
    count_j := json.SizeOfArray('items[i].notificationSettings.notifications');
    while j < count_j do
      begin
        json.J := j;
        type := json.StringOf('items[i].notificationSettings.notifications[j].type');
        method := json.StringOf('items[i].notificationSettings.notifications[j].method');
        j := j + 1;
      end;

    i := i + 1;
  end;

Memo1.Lines.Add('Example Completed.');

Sample JSON Response Body

{
 "kind": "calendar#calendarList",
 "etag": "\"p33gdfl6bualde0g\"",
 "nextSyncToken": "CODX1MvyqtcCEhhzdXBwb3J0QGNoaWxrYXRjbG91ZC5jb20=",
 "items": [
  {
   "kind": "calendar#calendarListEntry",
   "etag": "\"1465249947472000\"",
   "id": "support@chilkatcloud.com",
   "summary": "support@chilkatcloud.com",
   "timeZone": "America/Chicago",
   "colorId": "14",
   "backgroundColor": "#9fe1e7",
   "foregroundColor": "#000000",
   "selected": true,
   "accessRole": "owner",
   "defaultReminders": [
    {
     "method": "popup",
     "minutes": 10
    }
   ],
   "notificationSettings": {
    "notifications": [
     {
      "type": "eventCreation",
      "method": "email"
     },
     {
      "type": "eventChange",
      "method": "email"
     },
     {
      "type": "eventCancellation",
      "method": "email"
     },
     {
      "type": "eventResponse",
      "method": "email"
     }
    ]
   },
   "primary": true
  },
  {
   "kind": "calendar#calendarListEntry",
   "etag": "\"1502373382732000\"",
   "id": "#contacts@group.v.calendar.google.com",
   "summary": "Contacts",
   "timeZone": "America/Chicago",
   "colorId": "13",
   "backgroundColor": "#92e1c0",
   "foregroundColor": "#000000",
   "selected": true,
   "accessRole": "reader",
   "defaultReminders": []
  },
  {
   "kind": "calendar#calendarListEntry",
   "etag": "\"1502373376447000\"",
   "id": "en.usa#holiday@group.v.calendar.google.com",
   "summary": "Holidays in United States",
   "timeZone": "America/Chicago",
   "colorId": "8",
   "backgroundColor": "#16a765",
   "foregroundColor": "#000000",
   "selected": true,
   "accessRole": "reader",
   "defaultReminders": []
  }
 ]
}