Has anyone noticed behaviors on AppModel are being added twice to
models in plugins?
For example, if I have:
AppModel {
$actsAs = array(A, B, C)
}
PluginAppModel extends AppModel{
// ...no actsAs
}
PluginModel extends PluginAppModel{
// ... no actsAs
}
Then cake will add an $actsAs to PluginModel as follows:
$actsAs = array(A,B,C,A,B,C);
It adds the behaviors twice.
The problem seems to be in cake v1.3.6, cake/libs/model/model.php,
lines: 443 - 464, as follows:
if (is_subclass_of($this, 'AppModel')) {
$appVars = get_class_vars('AppModel');
$merge = array('_findMethods');
if ($this->actsAs !== null || $this->actsAs !== false) {
$merge[] = 'actsAs';
}
$parentClass = get_parent_class($this);
if (strtolower($parentClass) !== 'appmodel') {
$parentVars = get_class_vars($parentClass);
foreach ($merge as $var) {
if (isset($parentVars[$var]) &&
!empty($parentVars[$var])) {
$appVars[$var] =
Set::merge($appVars[$var], $parentVars[$var]);
}
}
}
foreach ($merge as $var) {
if (isset($appVars[$var]) &&
!empty($appVars[$var]) &&
is_array($this->{$var})) {
$this->{$var} =
Set::merge($appVars[$var], $this->{$var});
}
}
}
In the code above:
$appVars - the AppModel's instance vars.
$parentVars - the PluginAppModel's instance vars.
$this - the plugin model.
The line:
$appVars[$var] = Set::merge($appVars[$var], $parentVars[$var]);
...merges the $actsAs from PluginAppModel with the $actsAs from
AppModel.
Since PluginAppModel inherits from AppModel, the
get_class_vars($parentClass) will always yield the same instance vars
that AppModel has, leading to always doubling them up.
Has anyone else noticed this?
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