CFFILE upload and the choice of variables of form b4 download

Even with tons of research on google I can't understand this:

I have a back-end (CF) management system that identifies the user and the company they accompany on login. These variables (and a few other identifyiers) are stored as session variables in the page of the app when connecting.

Some users (according to the user level), set up a staff member company or a client through html forms regular of the CF with the action pages. This post to a SQL database.

Part of what I'm trying to do is finally released an index of pdf forms that are downloaded or generated dynamically. This index contains categories and subcategories.

So... Let's say, for example, when a company staff member is entered into the system, according to user's role the staff member must be given - I put in place of the folders and subfolders with cfdirectory (as well as other inserts to the database).

Here my problem is:

I need to have the user put in place a download by selecting through drop-down menus on a couple of form templates. The value of these drop-down lists the StaffID (for example) that the download is for and what category and subcatgory and other variables that are stored in the database - where the download is etc...

I understand as a download of cffile only ' will make the upload part "customer and you will have to rename/move the file.

What I can't understand is to know how to pass variables from the previous drop-down list forms to download form and be able to use variables for the database inserts because the cffile enctype publishes about himself. For me, this post of cgi is as a page refresh, so form variables that are passed to the upload form is lost when you actually download the file (announcement in itself).

I am trying to integrate "double loading" I found the website of Nadel which seems to fix some security issues on downloads. (This "double upload' download the file in a temporary directory where it performs checks on the upload and deletes it if everything is wrong and goes no further in the treatment...) If all goes well this, the 'real' upload to a different directory).

I can put up these directories two upload as 'session directories' on the application during the login page...

But... I need to user (uploader) to put up the 'who' and 'where' fields until the file itself is uploaded. A main issue here is that if the download does not meet requirements until the download takes place - I have nothing to be inserted into the database. (The line of database created when the file is downloaded the StaffID stores, file name, category, subcategory, etc. and the index to retrieve this support will be subsequently pulled the database will indicate where reside the uploads).

Is this enough information to understand what I'm doing? I know that I can rename and move a file once downloaded, but the upload info must be configured so that the download takes place, and not to take place (no insertion of data), if the download does not meet the criteria, etc..

Thanks for everyone's entered on this.

-ed

PS: I'm using CF9 or not anything like Flex, Ajax, JSON, or... just JQuery directly CF

Thank you, Alexander!

Who did for me - was exactly what I was looking for.

The isDefined reviews and the definition of session variable form opens my eyes to other possibilities as well.

Thanks to you and Dan. It's absolutely great when those more knowledgeable help those of us who struggle with the code.

Thanks again, Alexandre. You nailed it!

-ed

Tags: ColdFusion

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