Delphi ActiveX Google Calendar: Insert an Event

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Inserts a new event to a specified calendar.
This example inserts an event into the calender specified by ID = "support@chilkatcloud.com"
Returns the JSON of the event that was created.

Documentation: https://developers.google.com/google-apps/calendar/v3/reference/events/insert

var
rest: TChilkatRest;
success: Integer;
oauth2: TChilkatOAuth2;
jsonReq: TChilkatJsonObject;
sbReq: TChilkatStringBuilder;
sbJson: TChilkatStringBuilder;
json: TChilkatJsonObject;
kind: WideString;
etag: WideString;
id: WideString;
status: WideString;
htmlLink: WideString;
created: WideString;
updated: WideString;
summary: WideString;
description: WideString;
location: WideString;
creatorEmail: WideString;
creatorSelf: Integer;
organizerEmail: WideString;
organizerSelf: Integer;
startDateTime: WideString;
endDateTime: WideString;
iCalUID: WideString;
sequence: Integer;
hangoutLink: WideString;
remindersUseDefault: Integer;
i: Integer;
count_i: Integer;
email: WideString;
responseStatus: WideString;
organizer: Integer;
self: Integer;

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;

//  The following code creates the JSON request body.
//  The JSON created by this code is shown below.
jsonReq := TChilkatJsonObject.Create(Self);
jsonReq.UpdateString('kind','calendar#event');
jsonReq.UpdateString('status','confirmed');
jsonReq.UpdateString('summary','QXQC');
jsonReq.UpdateString('description','21st Annual QXQC Gathering');
jsonReq.UpdateString('location','Quigley''s Irish Pub, 43 E Jefferson Ave, Naperville, IL 60540, USA');
jsonReq.UpdateString('start.dateTime','2017-12-09T20:00:00-06:00');
jsonReq.UpdateString('end.dateTime','2017-12-09T23:00:00-06:00');
jsonReq.UpdateString('attendees[0].email','dean@example.com');
jsonReq.UpdateString('attendees[0].responseStatus','needsAction');
jsonReq.UpdateString('attendees[1].email','support@chilkatcloud.com');
jsonReq.UpdateBool('attendees[1].organizer',1);
jsonReq.UpdateBool('attendees[1].self',1);
jsonReq.UpdateString('attendees[1].responseStatus','accepted');
jsonReq.UpdateString('attendees[2].email','ajay@example.com');
jsonReq.UpdateString('attendees[2].responseStatus','needsAction');
jsonReq.UpdateString('attendees[3].email','jim@example.com');
jsonReq.UpdateString('attendees[3].responseStatus','needsAction');
jsonReq.UpdateString('attendees[4].email','gilian@example.com');
jsonReq.UpdateString('attendees[4].responseStatus','needsAction');
jsonReq.UpdateBool('reminders.useDefault',1);

sbReq := TChilkatStringBuilder.Create(Self);
jsonReq.EmitSb(sbReq.ControlInterface);

rest.AddHeader('Content-Type','application/json');

sbJson := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestSb('POST','/calendar/v3/calendars/support@chilkatcloud.com/events',sbReq.ControlInterface,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');
id := json.StringOf('id');
status := json.StringOf('status');
htmlLink := json.StringOf('htmlLink');
created := json.StringOf('created');
updated := json.StringOf('updated');
summary := json.StringOf('summary');
description := json.StringOf('description');
location := json.StringOf('location');
creatorEmail := json.StringOf('creator.email');
creatorSelf := json.BoolOf('creator.self');
organizerEmail := json.StringOf('organizer.email');
organizerSelf := json.BoolOf('organizer.self');
startDateTime := json.StringOf('start.dateTime');
endDateTime := json.StringOf('end.dateTime');
iCalUID := json.StringOf('iCalUID');
sequence := json.IntOf('sequence');
hangoutLink := json.StringOf('hangoutLink');
remindersUseDefault := json.BoolOf('reminders.useDefault');
i := 0;
count_i := json.SizeOfArray('attendees');
while i < count_i do
  begin
    json.I := i;
    email := json.StringOf('attendees[i].email');
    responseStatus := json.StringOf('attendees[i].responseStatus');
    organizer := json.BoolOf('attendees[i].organizer');
    self := json.BoolOf('attendees[i].self');
    i := i + 1;
  end;

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

Sample JSON Request Body

{
  "kind": "calendar#event",
  "status": "confirmed",
  "summary": "QXQC",
  "description": "21st Annual QXQC Gathering",
  "location": "Quigley's Irish Pub, 43 E Jefferson Ave, Naperville, IL 60540, USA",
  "start": {
    "dateTime": "2017-12-09T20:00:00-06:00"
  },
  "end": {
    "dateTime": "2017-12-09T23:00:00-06:00"
  },
  "attendees": [
    {
      "email": "dean@example.com",
      "responseStatus": "needsAction"
    },
    {
      "email": "support@chilkatcloud.com",
      "organizer": true,
      "self": true,
      "responseStatus": "accepted"
    },
    {
      "email": "ajay@example.com",
      "responseStatus": "needsAction"
    },
    {
      "email": "jim@example.com",
      "responseStatus": "needsAction"
    },
    {
      "email": "gilian@example.com",
      "responseStatus": "needsAction"
    }
  ],
  "reminders": {
    "useDefault": true
  }
}

Sample JSON Response Body

{
  "kind": "calendar#event",
  "etag": "\"3020332888490000\"",
  "id": "oqel9ijr6rgfgqg12b0qtlhfjs",
  "status": "confirmed",
  "htmlLink": "https://www.google.com/calendar/event?eid=b3FlbDlpanI2cmdmZ3FnMTJiMHF0bGhmanMgc3VwcG9ydEBjaGlsa2F0Y2xvdWQuY29t",
  "created": "2017-11-08T18:40:44.000Z",
  "updated": "2017-11-08T18:40:44.245Z",
  "summary": "QXQC",
  "description": "21st Annual QXQC Gathering",
  "location": "Quigley's Irish Pub, 43 E Jefferson Ave, Naperville, IL 60540, USA",
  "creator": {
    "email": "support@chilkatcloud.com",
    "self": true
  },
  "organizer": {
    "email": "support@chilkatcloud.com",
    "self": true
  },
  "start": {
    "dateTime": "2017-12-09T20:00:00-06:00"
  },
  "end": {
    "dateTime": "2017-12-09T23:00:00-06:00"
  },
  "iCalUID": "oqel9ijr6rgfgqg12b0qtlhfjs@google.com",
  "sequence": 0,
  "attendees": [
    {
      "email": "dean@example.com",
      "responseStatus": "needsAction"
    },
    {
      "email": "support@chilkatcloud.com",
      "organizer": true,
      "self": true,
      "responseStatus": "accepted"
    },
    {
      "email": "ajay@example.com",
      "responseStatus": "needsAction"
    },
    {
      "email": "jim@example.com",
      "responseStatus": "needsAction"
    },
    {
      "email": "gilian@example.com",
      "responseStatus": "needsAction"
    }
  ],
  "hangoutLink": "https://plus.google.com/hangouts/_/chilkatcloud.com/qxqc?hceid=c3VwcG9ydEBjaGlsa2F0Y2xvdWQuY29t.oqel9ijr6rgfgqg12b0qtlhfjs",
  "reminders": {
    "useDefault": true
  }
}