[kaddressbook] [Bug 357266] New: Dangerous design problem for kaddressbook groups in case ~/.local/share/akonadi/ is blown away

[David Tonhofer via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=357266

            Bug ID: 357266
           Summary: Dangerous design problem for kaddressbook groups in
                    case ~/.local/share/akonadi/ is blown away
           Product: kaddressbook
           Version: unspecified
          Platform: Fedora RPMs
                OS: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: bughunt at gluino.name
                CC: tokoe at kde.org

Suppose you get a dumbass attack and blow away the Akonadi database in

~/.local/share/akonadi/ 

On restart, akonadi rebuilds the database.

The basic contacts in kaddressbook are all fine.

However, the *groups* now contain random contacts (embarrasing if you don't
notice and use them without verification) or result in kaddressbook crashing
when opened.

This might be due to kaddressbook setting up groups using small-int identifiers
into the Akonadi database (maybe?) instead of using UUIDs that would make it
clear that the original contact entry has just gone away.

It should be clear to Akonadi that the group has become dangerously messed up
and no longer contain valid references. Safety first etc.

P.S.

This problem also occurs with the configuration of IMAP accounts
(trash/draft/template folders and sending identities) - kmail starts up and
does not complain at all but is all messed up underneath instead of insulting
the issue with clear error messages.

P.S.

(The version of "kaddressbook" is "4.14.10.-7" which is not listed in Version
(it stops at 4.13.2)??)

Reproducible: Always

Steps to Reproduce:
I will have to reproduce it in actuality, but the steps would be:

1. Destroy ~/.local/share/akonadi/ 
2. Restart
3. kaddressbook contacts messed up

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