Excel Google Calendar: Update (Patch) an Event

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Updates an event. (This example modifies the start/end date/time for the event id 52e7uk7j7vl5dosj7b25memov0 in the calendar with id = "support@chilkatcloud.com".)

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

Dim rest As Chilkat.Rest
Set rest = Chilkat.NewRest

'   Provide a previously obtained OAuth2 access token.
Dim oauth2 As Chilkat.OAuth2
Set oauth2 = Chilkat.NewOAuth2
oauth2.AccessToken = "OAUTH2_ACCESS_TOKEN"
success = rest.SetAuthOAuth2(oauth2)

success = rest.Connect("www.googleapis.com",443,True,True)
If (success <> True) Then
    Debug.Print rest.LastErrorText
    Exit Sub
End If

'  The following code creates the JSON request body.
'  The JSON created by this code is shown below.
Dim jsonReq As Chilkat.JsonObject
Set jsonReq = Chilkat.NewJsonObject
success = jsonReq.UpdateString("start.dateTime","2017-11-27T10:30:00-06:00")
success = jsonReq.UpdateString("end.dateTime","2017-11-27T11:30:00-06:00")

Dim sbReq As Chilkat.StringBuilder
Set sbReq = Chilkat.NewStringBuilder
success = jsonReq.EmitSb(sbReq)

success = rest.AddHeader("Content-Type","application/json")

Dim sbJson As Chilkat.StringBuilder
Set sbJson = Chilkat.NewStringBuilder
success = rest.FullRequestSb("PATCH","/calendar/v3/calendars/support@chilkatcloud.com/events/52e7uk7j7vl5dosj7b25memov0",sbReq,sbJson)
If (success <> True) Then
    Debug.Print rest.LastErrorText
    Exit Sub
End If

If (rest.ResponseStatusCode <> 200) Then
    Debug.Print "Received error response code: "; rest.ResponseStatusCode
    Debug.Print "Response body:"
    Debug.Print sbJson.GetAsString()
    Exit Sub
End If

Dim json As Chilkat.JsonObject
Set json = Chilkat.NewJsonObject
success = json.LoadSb(sbJson)

'  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")
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")

Debug.Print "Example Completed."

Sample JSON Request Body

{
  "start": {
    "dateTime": "2017-11-27T10:30:00-06:00"
  },
  "end": {
    "dateTime": "2017-11-27T11:30:00-06:00"
  }
}

Sample JSON Response Body

{
  "kind": "calendar#event",
  "etag": "\"3020353646374000\"",
  "id": "52e7uk7j7vl5dosj7b25memov0",
  "status": "confirmed",
  "htmlLink": "https://www.google.com/calendar/event?eid=NTJlN3VrN2o3dmw1ZG9zajdiMjVtZW1vdjAgc3VwcG9ydEBjaGlsa2F0Y2xvdWQuY29t",
  "created": "2017-11-08T21:27:50.000Z",
  "updated": "2017-11-08T21:33:43.187Z",
  "summary": "Dentist Appointment",
  "creator": {
    "email": "support@chilkatcloud.com",
    "self": true
  },
  "organizer": {
    "email": "support@chilkatcloud.com",
    "self": true
  },
  "start": {
    "dateTime": "2017-11-27T10:30:00-06:00"
  },
  "end": {
    "dateTime": "2017-11-27T11:30:00-06:00"
  },
  "iCalUID": "52e7uk7j7vl5dosj7b25memov0@google.com",
  "sequence": 1,
  "hangoutLink": "https://plus.google.com/hangouts/_/chilkatcloud.com/support?hceid=c3VwcG9ydEBjaGlsa2F0Y2xvdWQuY29t.52e7uk7j7vl5dosj7b25memov0",
  "reminders": {
    "useDefault": true
  }
}