Bugzilla:Extension Notes: Difference between revisions

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==Checking Syntax==
See http://bugzilla.readthedocs.org/en/latest/integrating/extensions.html .
 
It's not immediately obvious how to check the syntax of your extension's modules. Running checksetup.pl might do some of it, but the errors aren't necessarily massively informative.
 
perl -Mlib=lib -MBugzilla -e 'BEGIN { Bugzilla->extensions; } use Bugzilla::Extension::ExtensionName::Class;'
 
(run from BUGZILLA_HOME) will do the trick.
 
==Adding New Fields To Bugs==
 
To add new fields to a bug, you need to do the following:
 
* Add an <tt>install_update_db</tt> hook to add the fields by calling <tt>Bugzilla::Field->create</tt> (only if the field doesn't already exist). Here's what it might look like for a single field:
 
my $field = new Bugzilla::Field({ name => $name });
return if $field;
$field = Bugzilla::Field->create({
    name        => $name,
    description => $description,
    type        => $type,        # From list in Constants.pm
    enter_bug  => 0,
    buglist    => 0,
    custom      => 1,
});
 
* Push the name of the field onto the relevant arrays in the <tt>bug_columns</tt> and <tt>bug_fields</tt> hooks.
* If you want direct accessors, or other functions on the object, you need to add a BEGIN block to your Extension.pm:
 
BEGIN {
    *Bugzilla::Bug::is_foopy = \&_bug_is_foopy;
}
...
sub _bug_is_foopy {
    return $_[0]->{'is_foopy'};
}
 
* You don't have to change <tt>Bugzilla/DB/Schema.pm</tt>.
 
==Adding New Fields To Other Things==
 
If you are adding the new fields to an object other than a bug, you need to go a bit lower-level.
 
* In <tt>install_update_db</tt>, use <tt>bz_add_column</tt> instead
* Push on the columns in <tt>object_columns</tt> and <tt>object_update_columns</tt> instead of <tt>bug_columns</tt>.
* Add validators for the values in <tt>object_validators</tt>
 
The process for adding accessor functions is the same.
 
==Adding Configuration Panels==
 
As well as using the <tt>config_add_panels</tt> hook, you will need a template to define the UI strings for the panel. See the templates in <tt>template/en/default/admin/params</tt> for examples, and put your own template in <tt>template/en/default/admin/params</tt> in your extension's directory.

Latest revision as of 17:12, 19 February 2015

See http://bugzilla.readthedocs.org/en/latest/integrating/extensions.html .

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