CakePHP update extra field on HABTM join table

Question

I have problem with updating (better updating not recreating) extra field in HABTM join table. I searched google and other sources, but struggled for 4 days now.

I have

Answer 1

As you have added extra data (order field) to the HABTM join model, you have actually exceeded the capabilities of a simple HABTM relationship with CakePHP. What you actually need to setup is a hasMany Through relationship.

In your case you'll basically make a "membership" model with Tutorial ID, catergory id and as much data as you want to assign to it. You will then define the relatioships as Membership belongsTo Tutorial & Category. The book probably has a better example than what I've just explained!

The main reason for this is that each "membership" record is treated as a normal record with no HABTM behaviour attached to it, so you can edit, delete and add records individually and easily.