[Koha-bugs] [Bug 16229] New: Koha::Cache should be on the safer side

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=16229

            Bug ID: 16229
           Summary: Koha::Cache should be on the safer side
 Change sponsored?: ---
           Product: Koha
           Version: master
          Hardware: All
                OS: All
            Status: ASSIGNED
          Severity: major
          Priority: P5 - low
         Component: Architecture, internals, and plumbing
          Assignee: jonathan.druart at bugs.koha-community.org
          Reporter: jonathan.druart at bugs.koha-community.org
        QA Contact: testopia at bugs.koha-community.org
        Depends on: 16044
            Blocks: 16221

Theoretically our Koha::Cache is not as safe as possible, the set_in_cache and
get_from_cache subroutines should always clone the structure to avoid
uncontrollable behaviors.

There are, at least, 2 issues to cover:
- get_from_cache does not deep copy on first call
- set_in_cache does not deep copy

Note that bug 16221 plans to replace Clone::clone with Storable::dclone, it
should be built on top of this patch.


Referenced Bugs:

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=16044
[Bug 16044] Define a L1 cache for all objects set in cache
https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=16221
[Bug 16221] Use Storable::dclone() instead of Clone::clone() for L1 cache
deep-copying mode
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