hi everyone,
have one upload form to enable uploading attachments. I set the max
amount to 5 files.
now after the files got uploaded i want cake to render the names in a
DIV, so the user sees what files he uploaded. so far everything works.
the upload, the check for max files uploaded and also the rendering.
EXAMPLE:
user uploaded 3 files. does a 4th. this is my logic
1) count the files user uploaded --> 4
2) Because its 4, write the path from this one to the session variable
4:
$this->Session->write('Link.Attachment.4.Path', "../link/
tmp/........");
3) set the variable for the view and call it
$this->set('link_attachment_4', ($this->Session-
>read('Link.Attachment.4.Path')));
$this->render('render_attachment','ajax');
4) now render the view that echos the Path from all uploaded file
echo $link_attachment_1;
echo '<br>';
echo $link_attachment_2;
echo '<br>';
echo $link_attachment_3;
echo '<br>';
echo $link_attachment_4;
echo '<br>';
echo $link_attachment_5;
it works fine. user upload 1-5 files, they all get uploaded and echoed
correctly. but my logic brings trouble due to assigning the upload
file path to a session variable regarding to the file count.
lets say you delete the 2nd file of those 5. then
$this->Session->write('Link.Attachment.2.Path', "../link/
tmp/........");
is FREE. but because everything is static there will be a space
between the 1st and 3rd echoed file, since
echo $linkables_attachment_2 is empty.
ALSO:
if you upload a new file, for your deleted one, my logic will count 5
files again and allocate this file path to
$this->Session->write('Link.Attachment.5.Path) which is wrong, since
it should write it in the session variable that got free, the 2nd.
RESULT: 2nd variable stays free, 5th gets replaced..
long story short. i need an algorithm, that dynamically allocates
files paths to the first FREE variable. like an array and cake find
the first free spot and writes the path there.
then i could loop through that array in my view "render_attachment"
and just echo the field that are filled.
and if a user deletes a file, cake has to find the related field in
that array to empty it, and also delete it from the directory.
.so i got the logic, but i dont kow how to code this...any idea?
thx :)
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