[Koha-bugs] [Bug 33268] Overlay rules don't work correctly when source is set to *

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

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=33268

David Gustafsson <glasklas at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Text to go in the|This enhancement changes    |This enhancement changes
      release notes|how marc overlay rules are  |how marc overlay rules are
                   |evaluated. Before the       |evaluated. Before the
                   |change rules with filter    |change rules with filter
                   |set to '*' (wildcard) where |set to '*' (wildcard) where
                   |only applied when no other  |only applied when no other
                   |rules had been defined for  |rules had been defined for
                   |a specific filter value,    |a specific filter value,
                   |regardless of if any of the |regardless of if any of the
                   |rules with that filter      |rules with that filter
                   |value matched or not.
      |value matched or not.
                   |
                           |
                   |With                        |With
                   |this change we fallback to  |this change we fallback to
                   |the wildcard filter rules   |the wildcard filter rules
                   |even though rules with a    |even though rules with a
                   |matching filter value do    |matching filter value do
                   |exists, if no rule for that |exists, if no rule for that
                   |filter value matches. This  |filter value matches. This
                   |resolves the issue of       |resolves the issue of
                   |having to repeat the same   |having to repeat the same
                   |default rules for each      |default rules for each
                   |filter value rule set. If   |filter value rule set. If
                   |for some filter value the   |for some filter value the
                   |wildcard filter rules       |wildcard filter rules
                   |should be overridden, a     |should be overridden, a
                   |wildcard tag rule for that  |wildcard tag rule for that
                   |filter value can be defined |filter value can be defined
                   |which will have higher      |which will have higher
                   |precedence and override all |precedence and override all
                   |the filter wildcard rules.
 |the filter wildcard rules.
                   |                            |
                   |In summary, the rules will  |In summary, the rules will
                   |applied as follows:
        |applied as follows:
                   |
                           |
                   |- A                         |- A
                   |matching rule is looked for |matching rule is looked for
                   |based on context (module    |based on context (module
                   |and filter value), if       |and filter value), if
                   |multiple contexts matches   |multiple contexts matches
                   |rules for the module with   |rules for the module with
                   |highest priority are used.  |highest priority are used.
                   |The module priority is      |The module priority is
                   |(from highest to lowest)    |(from highest to lowest)
                   |"User name", "Patron        |"User name", "Patron
                   |category" and "Source"
     |category" and "Source".
                   |
                           |
                   |-                           |-
                   |If no matching rule is      |If no matching rule is
                   |found, we fallback to the   |found, we fallback to the
                   |wildcard filter rules of    |wildcard filter rules of
                   |the current context.
       |the current context module.
                   |
                           |
                   |For                         |For Koha installations
                   |Koha installations where    |where marc overlay rules is
                   |marc overlay rules is in    |in use a database migration
                   |use a database migration    |will run that creates new
                   |will run that creates new   |rules if necessary to
                   |rules if necessary to       |preserve the current
                   |preserve the current        |behavior, so no user action
                   |behavior, so no user action |needs to be taken in order
                   |needs to be taken in order  |to correct for this change.
                   |to correct for this change. |

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