Problem:
For performance reason a facet may cache the data in browser's memory. There should be a flag to indicate whether a facet has expired and should be refreshed. The expired flag could be set by these events:
1) any update operation
2) changing search filter in search facet
3) switching page in a multi-paged search/association facet
4) switching direct/indirect view in association facet
5) facet expiration time
A facet should be able to use these methods to refresh itself:
6) on demand: an expired facet should be refreshed when a user opens it.
7) automatic: an open facet should automatically refresh itself when it expires.
Solution:
This patch solves cases: #2, #3, #5, #6. Case #4 works without any change. Case #1 will be solved later. Case #7 is deffered.
Default expiration timeout was set to 10 minutes.
In this patch are also updated facet.needs_update methods to reflect changes in containing facets.
https://fedorahosted.org/freeipa/ticket/2075
bbe672a2ae
