feature request/patch: fix slugs - a method to fix all existing records' slugs

[jrevillini]

I added this to my copy of sluggable. It's a single use thing, so maybe you don't want to bloat your code with it, but here it is in case you think it would be useful for others:

/**
 * fixes slugs on all current objects (useful when working with existing data set).
 * @param AppModel $model the model that this behavior is applied to 
 */
public function fix_slugs (&$model) {

    //no need for extra junk
    $model->virtualFields = array();
    $model->contain = array();

    //fetch all data for current model
    $data = $model->find('all');

    //force overwriting of slugs, even if not set up for this model as such
    $this->settings[$model->alias]['overwrite'] = true;

    //save all data for model - slugs should be generated automatically
    $model->saveAll($data); 
}

It does have to be invoked somewhere for each model. I suppose it could be done in app_model, but I just went into the controller that needed slugs and added:

function fix_slugs () { $this->YOURMODELNAME->fix_slugs(); }

Then I went to http://localhost/YOURMODELNAME/fix_slugs and it slugged everything. I then commented out the method so it could never be called via URL GET.