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B4X

Insert a New Google Calendar Event

See more Google Calendar Examples

Demonstrates how to insert a new Google Calendar event.

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B4X
Dim success As Boolean = False

'  This example requires the Chilkat API to have been previously unlocked.
'  See Global Unlock Sample for sample code.

'  This example uses a previously obtained access token having permission for the 
'  Google Calendar scope.

'  In this example, Get Google Calendar OAuth2 Access Token, the access
'  token was saved to a JSON file.  This example fetches the access token from the file..
Dim jsonToken As ChilkatJsonObject
jsonToken.Initialize
success = jsonToken.LoadFile("qa_data/tokens/googleCalendar.json")
If jsonToken.HasMember("access_token") = False Then
    Log("No access token found.")
    Return
End If

Dim http As ChilkatHttp
http.Initialize("http")
http.AuthToken = jsonToken.StringOf("access_token")

'  Build a Google Calendar event:
Dim json As ChilkatJsonObject
json.Initialize
json.EmitCompact = False
json.UpdateString("kind", "calendar#event")
json.UpdateString("summary", "Eat Lou Malnati's Pizza")
json.UpdateString("start.dateTime", "2021-03-12T12:00:00-05:00")
json.UpdateString("end.dateTime", "2021-03-12T13:00:00-05:00")

Log(json.Emit)

'  This is the event JSON we'll be sending the HTTP POST:

'  {
'    "kind": "calendar#event",
'    "summary": "Eat Lou Malnati's Pizza",
'    "start": {
'      "dateTime": "2021-03-12T12:00:00-05:00"
'    },
'    "end": {
'      "dateTime": "2021-03-12T13:00:00-05:00"
'    }
'  }

Dim url As String = "https://www.googleapis.com/calendar/v3/calendars/{$calendarId}/events"
http.SetUrlVar("calendarId", "primary")
Dim resp As ChilkatHttpResponse
resp.Initialize
success = http.HttpJson("POST", url, json, "application/json", resp)
If success = False Then
    Log(http.LastErrorText)
    Return
End If


Dim jsonResp As ChilkatJsonObject
jsonResp.Initialize
jsonResp.EmitCompact = False
jsonResp.Load(resp.BodyStr)

If resp.StatusCode = 200 Then
    '  Success.
    '  The newly created event resource JSON is returned.
    Log(jsonResp.Emit)
Else
    If resp.StatusCode = 401 Then
        Log("Try refreshing the access token and then retry...")
    End If


    '  Failed. 
    '  Show the JSON error response.
    Log(jsonResp.Emit)
End If


'  A successful response body:

'  {
'    "kind": "calendar#event",
'    "etag": "\"3004969011208000\"",
'    "id": "v7kvmsvsoms3hjl5uq423jqhb0",
'    "status": "confirmed",
'    "htmlLink": "https://www.google.com/calendar/event?eid=djdrdm1zdnNvbXMzaGpsNXVxNDIzanFoYjAgc3VwcG9ydEBjaGlsa2F0Y2xvdWQuY29t",
'    "created": "2017-08-11T20:48:25.000Z",
'    "updated": "2017-08-11T20:48:25.604Z",
'    "summary": "Eat Lou Malnati's Pizza",
'    "creator": {
'      "email": "support@chilkatcloud.com",
'      "self": true
'    },
'    "organizer": {
'      "email": "support@chilkatcloud.com",
'      "self": true
'    },
'    "start": {
'      "dateTime": "2017-08-12T12:00:00-05:00"
'    },
'    "end": {
'      "dateTime": "2017-08-12T13:00:00-05:00"
'    },
'    "iCalUID": "v7kvmsvsoms3hjl5uq423jqhb0@google.com",
'    "sequence": 0,
'    "hangoutLink": "https://plus.google.com/hangouts/_/chilkatcloud.com/support?hceid=c3VwcG9ydEBjaGlsa2F0Y2xvdWQuY29t.v7kvmsvsoms3hjl5uq423jqhb0",
'    "reminders": {
'      "useDefault": true
'    }
'  }