uploading and resizing images. code from "usual" php exists. transfer to cakephp??

hi,

before i used cake i coded (or mostly copied code from tuts) a
functionality to upload and resize images. i dont want to go through
that pain again and start all over again for cake and i wanna try to
use the existing code. maybe you can help me figuring out what to do:

i have an include file called "ajaxupload.php". in this file there is
all the logic. uploading, resizing and saving the picture. to do that,
some variables need to be passed.

--------------------------------------------
......
......
$filename = strip_tags($_REQUEST['filename']);
$maxSize = strip_tags($_REQUEST['maxSize']);
$maxW = strip_tags($_REQUEST['maxW']);
$fullPath = strip_tags($_REQUEST['fullPath']);
$relPath = strip_tags($_REQUEST['relPath']);
$colorR = strip_tags($_REQUEST['colorR']);
$colorG = strip_tags($_REQUEST['colorG']);
$colorB = strip_tags($_REQUEST['colorB']);
$maxH = strip_tags($_REQUEST['maxH']);
$filesize_image = $_FILES[$filename]['size'];

if($filesize_image > 0){
$upload_image = uploadImage($filename, $maxSize, $maxW, $fullPath,
$relPath, $colorR, $colorG, $colorB, $maxH);
if(is_array($upload_image)){
......
......
......
......
--------------------------------------------

as you can see a function called "uploadImage" is called with the
passed parameters. in this function it happens all :)

now from my sript "editProfile" where users can upload ther profile
pic i call "ajaxupload.php" and pass the needed variables

--------------------------------------------
<form action="includes/ajaxupload.php" method="post"
name="standard_use" id="standard_use" enctype="multipart/form-data">
<p><input type="file" name="filename" /></p>

<button onclick="ajaxUpload(this.form,'includes/ajaxupload.php?
filename=filename&amp;maxSize=4194304&amp;maxW=200&amp;fullPath=http://
localhost/login_test/uploads/&amp;relPath=../uploads/
&amp;colorR=255&amp;colorG=255&amp;colorB=255&amp;maxH=270','upload_area','File
Uploading Please Wait...&lt;br /&gt;&lt;img src=\'images/
loader_light_blue.gif\' width=\'128\' height=\'15\' border=\'0\' /
&gt;','&lt;img src=\'images/error.gif\' width=\'16\' height=\'16\'
border=\'0\' /&gt; Error in Upload, check settings and path info in
source code.'); return false;">Upload Image</button>
</form>
--------------------------------------------

now what i figured.

1st) I code a function "uploadImage" in my controller that contents
all the logic from my "ajaxupload.php".
2nd) when hitting the "upload" button in the view happens i call
this function "uploadImage" in the forms "action"-parameter in my
view !!??

what do you think? you have any idea?

thx guys....:)

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