Add optional user doc caching

[lorensr]

Instead of just caching the userId. Configurable cache duration, ability to go through or invalidate.

[stubailo]

You know what would maybe be even better? Just using an observe on the user IDs to invalidate the cache. Then it's guaranteed to work. Note that Meteor already does this to invalidate currently logged in users when passwords are reset or login tokens deleted:

https://github.com/meteor/meteor/blob/0a402c75376e68c4781bf636bcf3dfd0ae27a045/packages/accounts-base/accounts_server.js#L884-L951

[lorensr]

Nice, can you repair the cached doc with observed changes, or do you
refetch or delete?

On Monday, May 23, 2016, Sashko Stubailo notifications@github.com wrote:

You know what would maybe be even better? Just using an observe on the
user IDs to invalidate the cache. Then it's guaranteed to work. Note that
Meteor already does this to invalidate currently logged in users when
passwords are reset or login tokens deleted:

https://github.com/meteor/meteor/blob/0a402c75376e68c4781bf636bcf3dfd0ae27a045/packages/accounts-base/accounts_server.js#L884-L951

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#4 (comment)

[stubailo]

I think observe just gives you the whole new document right?

[lorensr]

Ah, yes – it's observeChanges that only gives the fields

http://docs.meteor.com/api/collections.html

On Monday, May 23, 2016, Sashko Stubailo notifications@github.com wrote:

I think observe just gives you the whole new document right?

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#4 (comment)

[lorensr]

Pseudocode for this: #19 (comment)