(Go) Insert a New Google Calendar Event

See more Google Calendar Examples

Demonstrates how to insert a new Google Calendar event.

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    // 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..
    jsonToken := chilkat.NewJsonObject()
    success := jsonToken.LoadFile("qa_data/tokens/googleCalendar.json")
    if jsonToken.HasMember("access_token") == false {
        fmt.Println("No access token found.")
        jsonToken.DisposeJsonObject()
        return
    }

    http := chilkat.NewHttp()
    http.SetAuthToken(jsonToken.StringOf("access_token"))

    // Build a Google Calendar event:
    json := chilkat.NewJsonObject()
    json.SetEmitCompact(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")

    fmt.Println(*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"
    //   }
    // }

    url := "https://www.googleapis.com/calendar/v3/calendars/{$calendarId}/events"
    http.SetUrlVar("calendarId","primary")
    resp := http.PostJson3(url,"application/json",json)
    if http.LastMethodSuccess() == false {
        fmt.Println(http.LastErrorText())
        jsonToken.DisposeJsonObject()
        http.DisposeHttp()
        json.DisposeJsonObject()
        return
    }

    jsonResp := chilkat.NewJsonObject()
    jsonResp.SetEmitCompact(false)
    jsonResp.Load(resp.BodyStr())

    if resp.StatusCode() == 200 {
        // Success.
        // The newly created event resource JSON is returned.
        fmt.Println(*jsonResp.Emit())
    }
    else {
        if resp.StatusCode() == 401 {
            fmt.Println("Try refreshing the access token and then retry...")
        }

        // Failed. 
        // Show the JSON error response.
        fmt.Println(*jsonResp.Emit())
    }

    resp.DisposeHttpResponse()

    // 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
    //   }
    // }

    jsonToken.DisposeJsonObject()
    http.DisposeHttp()
    json.DisposeJsonObject()
    jsonResp.DisposeJsonObject()