Looking at the Api the beforedelete function is cahined from the del
function del($id = null, $cascade = true) {
00957 if ($id) {
00958 $this->id = $id;
00959 }
00960
00961 $id = $this->id;
00962
00963 if ($this->exists() && $this->beforeDelete()) {
As you can see on line 958 the passed id is assigned to model->id
Then you can surely write
function beforeDelete() {
$photo = $this->Photo->findById($this->id); // NOTE $this->id
instead of $id
$file_path = substr($photo['Photo']['file_path'], 1); // remove the
leading slash for cake
// Code from Chris Partridge:
if($file = new File($file_path)) {
if(!$file->delete()) {
trigger_error('delete error');
return false;
}
} else {
return false;
}
return true;
}
-----Messaggio originale-----
Da: [email protected] [mailto:[EMAIL PROTECTED] Per conto
di Joshua McFarren
Inviato: sabato 17 marzo 2007 19.49
A: Cake PHP
Oggetto: Re: Class dependence and overriding Methods to do garbage
collection on files
> I'm new to cake so I may not be 100% right, but why not you create a
> beforeDelete() method in your Photo model? Use this delete the
> associated image file.
This looked promising until i realized that I need the $id to get the file
path of the photo and delete it. I would need to put something like this in
my Model:
function beforeDelete($id) {
$photo = $this->Photo->findById($id);
$file_path = substr($photo['Photo']['file_path'], 1); // remove the
leading slash for cake
// Code from Chris Partridge:
if($file = new File($file_path)) {
if(!$file->delete()) {
trigger_error('delete error');
return false;
}
} else {
return false;
}
return true;
}
Unfortunately, looking at the API the beforeDelete method takes no arguments
when its called by del:
http://api.cakephp.org/model__php4_8php-source.html#l00956
So how would my beforeDelete method know what to do?
Is this a dead end or am I wrong?
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