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List:       kde-pim
Subject:    Re: [Kde-pim] Is there interest in a MS Exchange Active Sync Resource ?
From:       Daniel =?ISO-8859-1?Q?Vr=E1til?= <dvratil () redhat ! com>
Date:       2015-02-18 9:58:24
Message-ID: 5153726.DXOyfoIcgA () thor
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On Tuesday, February 17, 2015 08:05:20 AM Martin Koller wrote:
> On Monday 16 February 2015 19:49:45 Martin Steigerwald wrote:
> > Martin, would it be possible with a little adaption to not delete the
> > mails from the server? That way I could use it to download mails from
> > inbox in parallel to the IMAP access so whenever IMAP access is broke –
> > which it is quite often (and I attribute much to that to exchange, Akonadi
> > may just be a bit fragile on reconnecting from all the connection
> > dropouts) – I can still have at least the mails in inbox locally.
> 
> To not delete the mails is simple, but the problem is to know which mails
> were already downloaded so that I would not download them again and again.
> 
> I'd need to check how to do that ...

According to specs each Collection in the Sync response should include a 
SyncKey element. If you store value of the SyncKey element in an Akonadi's 
Collection attribute (or you can use Akonadi::Collection::remoteRevision - 
that what's the property is for actually), on next sync you then pass the 
stored SyncKey to the server and you should be given only new messages in 
response + a new value of the SyncKey to store in the Collection. This is 
similar to what we do in the Google Calendar resource for example.

Cheers,
Dan


-- 
Daniel Vrátil | dvratil@redhat.com | dvratil on #kde-devel, #kontact, #akonadi
Software Engineer - KDE Desktop Team, Red Hat Inc.

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