"Fetch your calendar" could have been more precise.
1) GET your calendar. Send a GET request to the calendar url. This must be a
writable calendar, or you won't see the edit urls that you need. The
implication of the this is that you will need to authenticate before you
send the GET. The GET will return some XML.
2) In that XML, locate the event that you want and the edit url of the event
that you want to delete. It will look like:
<link rel='edit' type='application/atom+xml'
href='
http://www.google.com/calendar/feeds/userID/private/full/entryID/version'
/>,
3) Send a DELETE request to that url (may require POST with
X-HTTP-Method-Override header).
The POST request that you send to create the event will not have the edit
url in it because the event does not have an ID (entryID) until Google
creates the event. The return from that POST is an <entry> element. That
element may also contain the edit url for the newly created event.
Ray
On Tue, Mar 25, 2008 at 11:10 AM, Mick <[EMAIL PROTECTED]> wrote:
>
> Ok, I had a look at the XML that I create for the POST & there is
> nothing that looks like what you are suggesting, but I am not sure how
> you 'Fetch the calendar'? I believe it is writable because I can add
> events to it quite happily. Also when I create the event I have had a
> look at the returning code & it has Set-Cookie:
> CAL=DQAAAHIAAADCQ0yiZaFq5JdgfyBEX0txGOkcYkLyO173o in the string. Is
> that the edit url that you are referring to? Okay, if it is, how do I
> send a POST with DELETE over-ride to that url? I did try DELETE
> directly but that upset the system & it returned an error.
>
> Sorry to keep asking dumb questions!
>
> regards
>
> Mick
>
>
>
> On Mar 19, 10:16 pm, Ray Baxter <[EMAIL PROTECTED]> wrote:
> > Mick,
> >
> > If you can create an event on a Google calendar, you have everything
> > that you need to delete that event from the calendar.
> >
> > There are 4 http verbs: GET, POST, PUT, and DELETE. A GET is what your
> > web browser does when it fetches a page. A POST is what it does when
you
> > click on a Submit button to submit a form that you have filled out,
> > typically creating a new object. A PUT is an update to an existing
> > object; you send updated content to an existing event by sending
updated
> > xml in a PUT to the event's edit url. A DELETE is similar, but no
> > content is required. Just send a DELETE to the event's edit url.
> >
> > Web browsers don't commonly support the PUT and DELETE verbs and some
> > libraries do not either. Also PUT and DELETE requests can be blocked on
> > some networks. There is a trick of simulating a PUT or DELETE by
setting
> > a header in a POST. I am not familiar with VB, but according to the
> > comments on the Poor House page you referenced you can set the
> > X-HTTP-Method-Override: DELETE header in VB in order to send a DELETE.
> >
> > So, short story,
> >
> > 1) Fetch your calendar. This must be a writable calendar, or you won't
> > see the edit urls that you need.
> >
> > 2) Look at the xml for that calendar and find the event that you want
to
> > delete.
> >
> > 3) Find that event's edit url. It is the link with the rel='edit'
> > attribute . Google's example is:
> > <link rel='edit' type='application/atom+xml'
> >
> > href='
http://www.google.com/calendar/[EMAIL PROTECTED]/private/full/entryID/version'/
>,
>
> > but your event will have a different e-mail address, entryID and
version.
> >
> > 4) Either directly send a DELETE request to that edit url, or
simulating
> > a DELETE request by adding the X-HTTP-Method-Override header in a POST.
> >
> > Hope that helps,
> >
> > Ray
> >
> >
> >
> > Mick wrote:
> > > I'm afraid not! I did read that as I mentioned but it didn't make a
> > > lot of sense I'm afraid. I don't understand which bit actually does
> > > the deleting & how it is called or used & what the long numbers mean
> > > or how I would use them in my case. Is there anywhere that explains
it
> > > in a real simple way, or some actual code that does it? I got the
> > > 'Add' code
fromhttp://thepoorhouse.org.uk/using_google_calendar_api_via_visual_basic_6
>
> > > & it intimates that deleting can be done but there is no actual
> > > explanation.
> >
> > > regards
> >
> > > Micki
> >
> > > On Mar 17, 7:52 pm, "Austin (Google)" <[EMAIL PROTECTED]> wrote:
> >
> > >> Hi,
> >
> > >> Before you can delete an event you need to retrieve it to obtain
it's edit
> > >> URL and to delete it you simply just send a DELETE HTTP request to
the edit
> > >> URL.
> >
> > >> For more details on how DELETE is performed on event, please go to -
> >
> > >>
http://code.google.com/apis/calendar/developers_guide_protocol.html#D...
> >
> > >> And this section here gives details on how to perform batch request
as well
> > >> -
> >
> > >>
http://code.google.com/apis/calendar/developers_guide_protocol.html#b...
> >
> > >> Hope that helps,
> > >> Austin
> >
> > >> On Sun, Mar 16, 2008 at 11:14 AM, Mick <[EMAIL PROTECTED]>
wrote:
> >
> > >>> Hi Guys, I'm new to this XML stuff but have managed to find some
XML
> > >>> code to enable me to add an event to a calendar, but I can't seem
to
> > >>> Delete it (or understand the batch delete that Google offers!). I
am
> > >>> running the XML from a Microsoft Access database via VB6 to sync up
a
> > >>> VB calendar with a world calendar. Can anyone explain (or provide
XML
> > >>> or VB6 code) to do this - keep it simple though please.- Hide
quoted text -
> >
> > >> - Show quoted text -- Hide quoted text -
>
>
> >
> > - Show quoted text -
> >
>
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