Comment by untitaker_ | Hacker News Reader

Comment by untitaker_ | Hacker News Reader

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So one of your guys just pinged me in private about this, and I responded lengthily. Here's the basic summary:

* I didn't know JMAP was also about calendar and contacts.

* Those parts seem nice.

* However, I'm the kinda guy who self-hosts his data servers. JMAP seems like a powerful protocol. I'm not sure those two things mix well, since JMAP server implementations probably will require a good database, not just a dumb FS like in remoteStorage.

* However, I would like to collaborate wherever possible.

> JMAP server implementations probably will require a good database, not just a dumb FS like in remoteStorage.

To do JMAP well you need to be able to calculate change sets, which does mean a database, though a fairly light one. I think you could do a server without delta updates by always returning a cannotCalculateChanges error in response to getUpdates calls, but it would be very inefficient on both the client and the wire.

> However, I would like to collaborate wherever possible.

Sure! Best place to start is probably the jmap-discuss list:

  https://groups.google.com/forum/#!forum/jmap-discuss

> For anybody who wants to be "careful" when syncing and thinks they want this option, consider putting your collections into git repos and commit after sync.

There's a demo/beta DAV<->JMAP proxy out there by fastmail. You might want to look into that (and keep the current DAV backend in the meantime).

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