PowerBuilder Google Calendar: Get Instances of a Recurring Event

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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


integer li_rc
oleobject loo_Rest
integer li_Success
oleobject loo_Oauth2
oleobject loo_SbJson
oleobject loo_Json
string ls_Kind
string ls_Etag
string ls_Summary
string ls_Updated
string ls_TimeZone
string ls_AccessRole
string ls_NextSyncToken
integer i
integer li_Count_i
string ls_Method
integer li_Minutes
string ls_Id
string ls_Status
string ls_HtmlLink
string ls_Created
string ls_Description
string ls_Location
string ls_CreatorEmail
integer li_CreatorSelf
string ls_OrganizerEmail
integer li_OrganizerSelf
string ls_StartDateTime
string ls_StartTimeZone
string ls_EndDateTime
string ls_EndTimeZone
string ls_RecurringEventId
string ls_OriginalStartTimeDateTime
string ls_OriginalStartTimeTimeZone
string ls_ICalUID
integer li_Sequence
string ls_HangoutLink
integer li_RemindersUseDefault
integer j
integer li_Count_j

loo_Rest = create oleobject
li_rc = loo_Rest.ConnectToNewObject("Chilkat_9_5_0.Rest")
if li_rc < 0 then
    destroy loo_Rest
    MessageBox("Error","Connecting to COM object failed")
    return
end if

//   Provide a previously obtained OAuth2 access token.
loo_Oauth2 = create oleobject
li_rc = loo_Oauth2.ConnectToNewObject("Chilkat_9_5_0.OAuth2")

loo_Oauth2.AccessToken = "OAUTH2_ACCESS_TOKEN"
loo_Rest.SetAuthOAuth2(loo_Oauth2)

li_Success = loo_Rest.Connect("www.googleapis.com",443,1,1)
if li_Success <> 1 then
    Write-Debug loo_Rest.LastErrorText
    destroy loo_Rest
    destroy loo_Oauth2
    return
end if

loo_SbJson = create oleobject
li_rc = loo_SbJson.ConnectToNewObject("Chilkat_9_5_0.StringBuilder")

li_Success = loo_Rest.FullRequestNoBodySb("GET","/calendar/v3/calendars/support@chilkatcloud.com/events/6li3bfqqq65edprt4ms6vdld2j/instances",loo_SbJson)
if li_Success <> 1 then
    Write-Debug loo_Rest.LastErrorText
    destroy loo_Rest
    destroy loo_Oauth2
    destroy loo_SbJson
    return
end if

if loo_Rest.ResponseStatusCode <> 200 then
    Write-Debug "Received error response code: " + string(loo_Rest.ResponseStatusCode)
    Write-Debug "Response body:"
    Write-Debug loo_SbJson.GetAsString()
    destroy loo_Rest
    destroy loo_Oauth2
    destroy loo_SbJson
    return
end if

loo_Json = create oleobject
li_rc = loo_Json.ConnectToNewObject("Chilkat_9_5_0.JsonObject")

loo_Json.LoadSb(loo_SbJson)

//  The following code parses the JSON response.
//  A sample JSON response is shown below the sample code.

ls_Kind = loo_Json.StringOf("kind")
ls_Etag = loo_Json.StringOf("etag")
ls_Summary = loo_Json.StringOf("summary")
ls_Updated = loo_Json.StringOf("updated")
ls_TimeZone = loo_Json.StringOf("timeZone")
ls_AccessRole = loo_Json.StringOf("accessRole")
ls_NextSyncToken = loo_Json.StringOf("nextSyncToken")
i = 0
li_Count_i = loo_Json.SizeOfArray("defaultReminders")
do while i < li_Count_i
    loo_Json.I = i
    ls_Method = loo_Json.StringOf("defaultReminders[i].method")
    li_Minutes = loo_Json.IntOf("defaultReminders[i].minutes")
    i = i + 1
loop
i = 0
li_Count_i = loo_Json.SizeOfArray("items")
do while i < li_Count_i
    loo_Json.I = i
    ls_Kind = loo_Json.StringOf("items[i].kind")
    ls_Etag = loo_Json.StringOf("items[i].etag")
    ls_Id = loo_Json.StringOf("items[i].id")
    ls_Status = loo_Json.StringOf("items[i].status")
    ls_HtmlLink = loo_Json.StringOf("items[i].htmlLink")
    ls_Created = loo_Json.StringOf("items[i].created")
    ls_Updated = loo_Json.StringOf("items[i].updated")
    ls_Summary = loo_Json.StringOf("items[i].summary")
    ls_Description = loo_Json.StringOf("items[i].description")
    ls_Location = loo_Json.StringOf("items[i].location")
    ls_CreatorEmail = loo_Json.StringOf("items[i].creator.email")
    li_CreatorSelf = loo_Json.BoolOf("items[i].creator.self")
    ls_OrganizerEmail = loo_Json.StringOf("items[i].organizer.email")
    li_OrganizerSelf = loo_Json.BoolOf("items[i].organizer.self")
    ls_StartDateTime = loo_Json.StringOf("items[i].start.dateTime")
    ls_StartTimeZone = loo_Json.StringOf("items[i].start.timeZone")
    ls_EndDateTime = loo_Json.StringOf("items[i].end.dateTime")
    ls_EndTimeZone = loo_Json.StringOf("items[i].end.timeZone")
    ls_RecurringEventId = loo_Json.StringOf("items[i].recurringEventId")
    ls_OriginalStartTimeDateTime = loo_Json.StringOf("items[i].originalStartTime.dateTime")
    ls_OriginalStartTimeTimeZone = loo_Json.StringOf("items[i].originalStartTime.timeZone")
    ls_ICalUID = loo_Json.StringOf("items[i].iCalUID")
    li_Sequence = loo_Json.IntOf("items[i].sequence")
    ls_HangoutLink = loo_Json.StringOf("items[i].hangoutLink")
    li_RemindersUseDefault = loo_Json.BoolOf("items[i].reminders.useDefault")
    j = 0
    li_Count_j = loo_Json.SizeOfArray("items[i].reminders.overrides")
    do while j < li_Count_j
        loo_Json.J = j
        ls_Method = loo_Json.StringOf("items[i].reminders.overrides[j].method")
        li_Minutes = loo_Json.IntOf("items[i].reminders.overrides[j].minutes")
        j = j + 1
    loop
    i = i + 1
loop

Write-Debug "Example Completed."


destroy loo_Rest
destroy loo_Oauth2
destroy loo_SbJson
destroy loo_Json

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
          }
        ]
      }
    }
  ]
}