Swift Google Calendar: Get Instances of a Recurring Event

Back to Index

Returns instances of the specified recurring event.
This example gets instances for an event from the calendar having the ID = "support@chilkatcloud.com", where the event ID equals "6li3bfqqq65edprt4ms6vdld2j"

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



func chilkatTest() {
    let rest = CkoRest()
    var success: Bool

    //   Provide a previously obtained OAuth2 access token.
    let oauth2 = CkoOAuth2()
    oauth2.AccessToken = "OAUTH2_ACCESS_TOKEN"
    rest.SetAuthOAuth2(oauth2)

    success = rest.Connect("www.googleapis.com", port: 443, tls: true, autoReconnect: true)
    if success != true {
        print("\(rest.LastErrorText)")
        return
    }

    let sbJson = CkoStringBuilder()
    success = rest.FullRequestNoBodySb("GET", uriPath: "/calendar/v3/calendars/support@chilkatcloud.com/events/6li3bfqqq65edprt4ms6vdld2j/instances", sb: sbJson)
    if success != true {
        print("\(rest.LastErrorText)")
        return
    }

    if rest.ResponseStatusCode.integerValue != 200 {
        print("Received error response code: \(rest.ResponseStatusCode.integerValue)")
        print("Response body:")
        print("\(sbJson.GetAsString())")
        return
    }

    let json = CkoJsonObject()
    json.LoadSb(sbJson)

    //  The following code parses the JSON response.
    //  A sample JSON response is shown below the sample code.
    var kind: String?
    var etag: String?
    var summary: String?
    var updated: String?
    var timeZone: String?
    var accessRole: String?
    var nextSyncToken: String?
    var i: Int
    var count_i: Int
    var method: String?
    var minutes: Int
    var id: String?
    var status: String?
    var htmlLink: String?
    var created: String?
    var description: String?
    var location: String?
    var creatorEmail: String?
    var creatorSelf: Bool
    var organizerEmail: String?
    var organizerSelf: Bool
    var startDateTime: String?
    var startTimeZone: String?
    var endDateTime: String?
    var endTimeZone: String?
    var recurringEventId: String?
    var originalStartTimeDateTime: String?
    var originalStartTimeTimeZone: String?
    var iCalUID: String?
    var sequence: Int
    var hangoutLink: String?
    var remindersUseDefault: Bool
    var j: Int
    var count_j: Int

    kind = json.StringOf("kind")
    etag = json.StringOf("etag")
    summary = json.StringOf("summary")
    updated = json.StringOf("updated")
    timeZone = json.StringOf("timeZone")
    accessRole = json.StringOf("accessRole")
    nextSyncToken = json.StringOf("nextSyncToken")
    i = 0
    count_i = json.SizeOfArray("defaultReminders").integerValue
    while i < count_i {
        json.I = i
        method = json.StringOf("defaultReminders[i].method")
        minutes = json.IntOf("defaultReminders[i].minutes").integerValue
        i = i + 1
    }

    i = 0
    count_i = json.SizeOfArray("items").integerValue
    while i < count_i {
        json.I = i
        kind = json.StringOf("items[i].kind")
        etag = json.StringOf("items[i].etag")
        id = json.StringOf("items[i].id")
        status = json.StringOf("items[i].status")
        htmlLink = json.StringOf("items[i].htmlLink")
        created = json.StringOf("items[i].created")
        updated = json.StringOf("items[i].updated")
        summary = json.StringOf("items[i].summary")
        description = json.StringOf("items[i].description")
        location = json.StringOf("items[i].location")
        creatorEmail = json.StringOf("items[i].creator.email")
        creatorSelf = json.BoolOf("items[i].creator.self")
        organizerEmail = json.StringOf("items[i].organizer.email")
        organizerSelf = json.BoolOf("items[i].organizer.self")
        startDateTime = json.StringOf("items[i].start.dateTime")
        startTimeZone = json.StringOf("items[i].start.timeZone")
        endDateTime = json.StringOf("items[i].end.dateTime")
        endTimeZone = json.StringOf("items[i].end.timeZone")
        recurringEventId = json.StringOf("items[i].recurringEventId")
        originalStartTimeDateTime = json.StringOf("items[i].originalStartTime.dateTime")
        originalStartTimeTimeZone = json.StringOf("items[i].originalStartTime.timeZone")
        iCalUID = json.StringOf("items[i].iCalUID")
        sequence = json.IntOf("items[i].sequence").integerValue
        hangoutLink = json.StringOf("items[i].hangoutLink")
        remindersUseDefault = json.BoolOf("items[i].reminders.useDefault")
        j = 0
        count_j = json.SizeOfArray("items[i].reminders.overrides").integerValue
        while j < count_j {
            json.J = j
            method = json.StringOf("items[i].reminders.overrides[j].method")
            minutes = json.IntOf("items[i].reminders.overrides[j].minutes").integerValue
            j = j + 1
        }

        i = i + 1
    }

    print("Example Completed.")

}

Sample JSON Response Body

{
  "kind": "calendar#events",
  "etag": "\"p33se7k7armnte0g\"",
  "summary": "support@chilkatcloud.com",
  "updated": "2017-11-08T19:40:49.131Z",
  "timeZone": "America/Chicago",
  "accessRole": "owner",
  "defaultReminders": [
    {
      "method": "popup",
      "minutes": 10
    }
  ],
  "nextSyncToken": "CPjj0Ordr9cCEPjj0Ordr9cCGAU=",
  "items": [
    {
      "kind": "calendar#event",
      "etag": "\"3020339874608000\"",
      "id": "6li3bfqqq65edprt4ms6vdld2j_20171111T000000Z",
      "status": "confirmed",
      "htmlLink": "https://www.google.com/calendar/event?eid=NmxpM2JmcXFxNjVlZHBydDRtczZ2ZGxkMmpfMjAxNzExMTFUMDAwMDAwWiBzdXBwb3J0QGNoaWxrYXRjbG91ZC5jb20",
      "created": "2017-11-08T19:35:30.000Z",
      "updated": "2017-11-08T19:40:49.019Z",
      "summary": "TGIF Happy Hour",
      "description": "Friday Night Happy Hour",
      "location": "Shannon's Irish Pub, 428 N Main St, Glen Ellyn, IL 60137, USA",
      "creator": {
        "email": "support@chilkatcloud.com",
        "self": true
      },
      "organizer": {
        "email": "support@chilkatcloud.com",
        "self": true
      },
      "start": {
        "dateTime": "2017-11-10T18:00:00-06:00",
        "timeZone": "America/Chicago"
      },
      "end": {
        "dateTime": "2017-11-10T19:00:00-06:00",
        "timeZone": "America/Chicago"
      },
      "recurringEventId": "6li3bfqqq65edprt4ms6vdld2j",
      "originalStartTime": {
        "dateTime": "2017-11-10T18:00:00-06:00",
        "timeZone": "America/Chicago"
      },
      "iCalUID": "6li3bfqqq65edprt4ms6vdld2j@google.com",
      "sequence": 1,
      "hangoutLink": "https://plus.google.com/hangouts/_/chilkatcloud.com/support?hceid=c3VwcG9ydEBjaGlsa2F0Y2xvdWQuY29t.6li3bfqqq65edprt4ms6vdld2j",
      "reminders": {
        "useDefault": false,
        "overrides": [
          {
            "method": "popup",
            "minutes": 180
          }
        ]
      }
    },
    {
      "kind": "calendar#event",
      "etag": "\"3020339874608000\"",
      "id": "6li3bfqqq65edprt4ms6vdld2j_20171118T000000Z",
      "status": "confirmed",
      "htmlLink": "https://www.google.com/calendar/event?eid=NmxpM2JmcXFxNjVlZHBydDRtczZ2ZGxkMmpfMjAxNzExMThUMDAwMDAwWiBzdXBwb3J0QGNoaWxrYXRjbG91ZC5jb20",
      "created": "2017-11-08T19:35:30.000Z",
      "updated": "2017-11-08T19:40:49.019Z",
      "summary": "TGIF Happy Hour",
      "description": "Friday Night Happy Hour",
      "location": "Shannon's Irish Pub, 428 N Main St, Glen Ellyn, IL 60137, USA",
      "creator": {
        "email": "support@chilkatcloud.com",
        "self": true
      },
      "organizer": {
        "email": "support@chilkatcloud.com",
        "self": true
      },
      "start": {
        "dateTime": "2017-11-17T18:00:00-06:00",
        "timeZone": "America/Chicago"
      },
      "end": {
        "dateTime": "2017-11-17T19:00:00-06:00",
        "timeZone": "America/Chicago"
      },
      "recurringEventId": "6li3bfqqq65edprt4ms6vdld2j",
      "originalStartTime": {
        "dateTime": "2017-11-17T18:00:00-06:00",
        "timeZone": "America/Chicago"
      },
      "iCalUID": "6li3bfqqq65edprt4ms6vdld2j@google.com",
      "sequence": 1,
      "hangoutLink": "https://plus.google.com/hangouts/_/chilkatcloud.com/support?hceid=c3VwcG9ydEBjaGlsa2F0Y2xvdWQuY29t.6li3bfqqq65edprt4ms6vdld2j",
      "reminders": {
        "useDefault": false,
        "overrides": [
          {
            "method": "popup",
            "minutes": 180
          }
        ]
      }
    },
    {
      "kind": "calendar#event",
      "etag": "\"3020339874608000\"",
      "id": "6li3bfqqq65edprt4ms6vdld2j_20171125T000000Z",
      "status": "confirmed",
      "htmlLink": "https://www.google.com/calendar/event?eid=NmxpM2JmcXFxNjVlZHBydDRtczZ2ZGxkMmpfMjAxNzExMjVUMDAwMDAwWiBzdXBwb3J0QGNoaWxrYXRjbG91ZC5jb20",
      "created": "2017-11-08T19:35:30.000Z",
      "updated": "2017-11-08T19:40:49.019Z",
      "summary": "TGIF Happy Hour",
      "description": "Friday Night Happy Hour",
      "location": "Shannon's Irish Pub, 428 N Main St, Glen Ellyn, IL 60137, USA",
      "creator": {
        "email": "support@chilkatcloud.com",
        "self": true
      },
      "organizer": {
        "email": "support@chilkatcloud.com",
        "self": true
      },
      "start": {
        "dateTime": "2017-11-24T18:00:00-06:00",
        "timeZone": "America/Chicago"
      },
      "end": {
        "dateTime": "2017-11-24T19:00:00-06:00",
        "timeZone": "America/Chicago"
      },
      "recurringEventId": "6li3bfqqq65edprt4ms6vdld2j",
      "originalStartTime": {
        "dateTime": "2017-11-24T18:00:00-06:00",
        "timeZone": "America/Chicago"
      },
      "iCalUID": "6li3bfqqq65edprt4ms6vdld2j@google.com",
      "sequence": 1,
      "hangoutLink": "https://plus.google.com/hangouts/_/chilkatcloud.com/support?hceid=c3VwcG9ydEBjaGlsa2F0Y2xvdWQuY29t.6li3bfqqq65edprt4ms6vdld2j",
      "reminders": {
        "useDefault": false,
        "overrides": [
          {
            "method": "popup",
            "minutes": 180
          }
        ]
      }
    },
    {
      "kind": "calendar#event",
      "etag": "\"3020339874608000\"",
      "id": "6li3bfqqq65edprt4ms6vdld2j_20171202T000000Z",
      "status": "confirmed",
      "htmlLink": "https://www.google.com/calendar/event?eid=NmxpM2JmcXFxNjVlZHBydDRtczZ2ZGxkMmpfMjAxNzEyMDJUMDAwMDAwWiBzdXBwb3J0QGNoaWxrYXRjbG91ZC5jb20",
      "created": "2017-11-08T19:35:30.000Z",
      "updated": "2017-11-08T19:40:49.019Z",
      "summary": "TGIF Happy Hour",
      "description": "Friday Night Happy Hour",
      "location": "Shannon's Irish Pub, 428 N Main St, Glen Ellyn, IL 60137, USA",
      "creator": {
        "email": "support@chilkatcloud.com",
        "self": true
      },
      "organizer": {
        "email": "support@chilkatcloud.com",
        "self": true
      },
      "start": {
        "dateTime": "2017-12-01T18:00:00-06:00",
        "timeZone": "America/Chicago"
      },
      "end": {
        "dateTime": "2017-12-01T19:00:00-06:00",
        "timeZone": "America/Chicago"
      },
      "recurringEventId": "6li3bfqqq65edprt4ms6vdld2j",
      "originalStartTime": {
        "dateTime": "2017-12-01T18:00:00-06:00",
        "timeZone": "America/Chicago"
      },
      "iCalUID": "6li3bfqqq65edprt4ms6vdld2j@google.com",
      "sequence": 1,
      "hangoutLink": "https://plus.google.com/hangouts/_/chilkatcloud.com/support?hceid=c3VwcG9ydEBjaGlsa2F0Y2xvdWQuY29t.6li3bfqqq65edprt4ms6vdld2j",
      "reminders": {
        "useDefault": false,
        "overrides": [
          {
            "method": "popup",
            "minutes": 180
          }
        ]
      }
    }
  ]
}