COmanage Developers List

[Benn Oshrin <>]

Actually, never mind. It won't cascade a delete.

On 9/13/12 5:33 PM, Benn Oshrin wrote:
> FYI, after my next major commit CoEnrollmentFlow will also cascade
> deletes to CoGroup.
>
> -Benn-
>
> On 9/12/12 12:09 PM, Scott Koranda wrote:
> > Hi,
> >
> > As Benn suspected, deleting a CoPerson causes a cascade that
> > results in CakePHP assuming that the Grouper data source is a
> > relational database.
> >
> > To "fix" that problem I want to add a delete() method for the
> > CoPeopleController.php that dynamically changes the linking
> > between the models to prevent the cascade from affecting the
> > CoGroupMembers model.
> >
> > Here is the proposed code:
> >
> >    /**
> >     * Delete a CoPerson Object. WARNING: this method will delete all
> > associated data.
> >     * This method calls the StandardController delete() method after
> > first temporarily changing
> >     * model dependcies if necessary to compensate for data sources
> > used for groups and group
> >     * memberships that may not use SQL and support cascading deletes.
> >     *
> >     * - precondition: see StandardController
> >     * - postcondition: see StandardController
> >     * - postcondition: see StandardController
> >     *
> >     * @since  COmanage Registry v0.8
> >     * @param  integer Object identifier (eg: cm_co_groups:id)
> > representing object to be deleted
> >     */
> >    function delete($id) {
> >
> >      // Get a pointer to our model
> >      $req = $this->modelClass;
> >      $model = $this->$req;
> >
> >      // If a data store for groups and group memberships is being used
> > that
> >      // is not a relational database supporting SQL then temporarily
> > remove
> >      // the model relationship to group memberships.
> >      if (!Configure::read('COmanage.groupSqlDataSource')) {
> >        $groupMembersLinkValue = $model->hasMany['CoGroupMember'];
> >        unset($model->hasMany['CoGroupMember']);
> >
> >        // Use the parent method to do the delete.
> >        $ret = parent::delete($id);
> >
> >        // Restore the model relationship to group memberships if it
> > was deleted.
> >        $model->hasMany['CoGroupMember'] = $groupMembersLinkValue;
> >      } else {
> >        // Use the parent method to do the delete.
> >        $ret = parent::delete($id);
> >      }
> >
> >      return $ret;
> >    }
> >
> > What say ye?
> >
> > Thanks,
> >
> > Scott