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(SQL Server) Google Calendar Search Events (List Events with Optional Query Parameters)

Demonstrates how to specify optional query parameters for listing events. This example uses the "q" parameter to free-text search for events, and uses the "timeMin" parameter to specify a lower bound for an event's end time.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    DECLARE @sTmp0 nvarchar(4000)
    --  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..
    DECLARE @jsonToken int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.JsonObject', @jsonToken OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @success int
    EXEC sp_OAMethod @jsonToken, 'LoadFile', @success OUT, 'qa_data/tokens/googleCalendar.json'
    EXEC sp_OAMethod @jsonToken, 'HasMember', @iTmp0 OUT, 'access_token'
    IF @iTmp0 = 0
      BEGIN

        PRINT 'No access token found.'
        EXEC @hr = sp_OADestroy @jsonToken
        RETURN
      END
    DECLARE @http int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Http', @http OUT

    EXEC sp_OAMethod @jsonToken, 'StringOf', @sTmp0 OUT, 'access_token'
    EXEC sp_OASetProperty @http, 'AuthToken', @sTmp0

    --  We'll want to build a URL with the query params..
    DECLARE @sbUrl int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.StringBuilder', @sbUrl OUT

    EXEC sp_OAMethod @sbUrl, 'Append', @success OUT, 'https://www.googleapis.com/calendar/v3/calendars/{$calendarId}/events?'

    --  Use the HTTP request object as a helper for creating the URL encoded query param list..
    DECLARE @req int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.HttpRequest', @req OUT

    --  Find events with the word "pizza".
    EXEC sp_OAMethod @req, 'AddParam', NULL, 'q', 'pizza'

    --  Get events for the current date/time or later.
    DECLARE @dt int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.CkDateTime', @dt OUT

    EXEC sp_OAMethod @dt, 'SetFromCurrentSystemTime', @success OUT
    EXEC sp_OAMethod @dt, 'GetAsTimestamp', @sTmp0 OUT, 0
    EXEC sp_OAMethod @req, 'AddParam', NULL, 'timeMin', @sTmp0

    --  Add these query params to the URL:
    EXEC sp_OAMethod @req, 'GetUrlEncodedParams', @sTmp0 OUT
    EXEC sp_OAMethod @sbUrl, 'Append', @success OUT, @sTmp0

    --  Examine the URL..

    EXEC sp_OAMethod @sbUrl, 'GetAsString', @sTmp0 OUT
    PRINT 'URL: ' + @sTmp0

    --  The URL looks like this:
    --  https://www.googleapis.com/calendar/v3/calendars/{$calendarId}/events?q=pizza&timeMin=2017-08-11T13%3A35%3A28Z

    --  Let's get events in the primary calendar.  A calendar ID could have be used instead of "primary".
    EXEC sp_OAMethod @http, 'SetUrlVar', @success OUT, 'calendarId', 'primary'
    DECLARE @sbResponse int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.StringBuilder', @sbResponse OUT

    EXEC sp_OAMethod @sbUrl, 'GetAsString', @sTmp0 OUT
    EXEC sp_OAMethod @http, 'QuickGetSb', @success OUT, @sTmp0, @sbResponse
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @jsonToken
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @sbUrl
        EXEC @hr = sp_OADestroy @req
        EXEC @hr = sp_OADestroy @dt
        EXEC @hr = sp_OADestroy @sbResponse
        RETURN
      END

    EXEC sp_OAGetProperty @http, 'LastStatus', @iTmp0 OUT
    IF @iTmp0 <> 200
      BEGIN
        --  Note: If a 401 unauthorized response is received, it likely means that the OAuth2 access token needs
        --  to be refreshed or re-fetched.

        EXEC sp_OAGetProperty @http, 'LastStatus', @iTmp0 OUT
        PRINT 'Error response status: ' + @iTmp0
        EXEC sp_OAMethod @sbResponse, 'GetAsString', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @jsonToken
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @sbUrl
        EXEC @hr = sp_OADestroy @req
        EXEC @hr = sp_OADestroy @dt
        EXEC @hr = sp_OADestroy @sbResponse
        RETURN
      END

    EXEC sp_OAMethod @sbResponse, 'GetAsString', @sTmp0 OUT
    PRINT @sTmp0

    --  A sample JSON response:
    --  (Code for parsing the Google Calendar events is shown below.)

    --  {
    --   "kind": "calendar#events",
    --   "etag": "\"p32cafkumkb7ta0g\"",
    --   "summary": "support@chilkatcloud.com",
    --   "updated": "2017-08-11T13:19:48.143Z",
    --   "timeZone": "America/Chicago",
    --   "accessRole": "owner",
    --   "defaultReminders": [
    --    {
    --     "method": "popup",
    --     "minutes": 10
    --    }
    --   ],
    --   "nextSyncToken": "CJin09aiz9UCEJin09aiz9UCGAU=",
    --   "items": [
    --    {
    --     "kind": "calendar#event",
    --     "etag": "\"3004915160212000\"",
    --     "id": "02pv1cpdp7vm11htnfi3ii7iie",
    --     "status": "confirmed",
    --     "htmlLink": "https://www.google.com/calendar/event?eid=MDJwdjFjcGRwN3ZtMTFodG5maTNpaTdpaWUgc3VwcG9ydEBjaGlsa2F0Y2xvdWQuY29t",
    --     "created": "2017-08-11T13:19:40.000Z",
    --     "updated": "2017-08-11T13:19:40.106Z",
    --     "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": "02pv1cpdp7vm11htnfi3ii7iie@google.com",
    --     "sequence": 0,
    --     "hangoutLink": "https://plus.google.com/hangouts/_/chilkatcloud.com/support?hceid=c3VwcG9ydEBjaGlsa2F0Y2xvdWQuY29t.02pv1cpdp7vm11htnfi3ii7iie",
    --     "reminders": {
    --      "useDefault": true
    --     }
    --    }
    --   ]
    --  }
    -- 
    -- 

    DECLARE @json int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.JsonObject', @json OUT

    EXEC sp_OAMethod @json, 'LoadSb', @success OUT, @sbResponse

    DECLARE @numEvents int
    EXEC sp_OAMethod @json, 'SizeOfArray', @numEvents OUT, 'items'
    DECLARE @i int
    SELECT @i = 0
    WHILE @i < @numEvents
      BEGIN
        EXEC sp_OASetProperty @json, 'I', @i
        EXEC sp_OAMethod @json, 'StringOf', @sTmp0 OUT, 'items[i].summary'
        PRINT @sTmp0
        EXEC sp_OAMethod @json, 'StringOf', @sTmp0 OUT, 'items[i].start.dateTime'
        PRINT @sTmp0
        EXEC sp_OAMethod @json, 'StringOf', @sTmp0 OUT, 'items[i].end.dateTime'
        PRINT @sTmp0

        PRINT '--'
        SELECT @i = @i + 1
      END

    --  Sample output:

    --  Eat Lou Malnati's Pizza
    --  2017-08-12T12:00:00-05:00
    --  2017-08-12T13:00:00-05:00
    --  --

    EXEC @hr = sp_OADestroy @jsonToken
    EXEC @hr = sp_OADestroy @http
    EXEC @hr = sp_OADestroy @sbUrl
    EXEC @hr = sp_OADestroy @req
    EXEC @hr = sp_OADestroy @dt
    EXEC @hr = sp_OADestroy @sbResponse
    EXEC @hr = sp_OADestroy @json


END
GO

 

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