How can I implement adding multiple objects with Django form?

Question

How I can go about adding multiple objects from a single form with Django?

For example: if I have a sales form which stores sold products' register.

Imagine the form:

datetime: [_____________]
customer: [_____________]
product: [______________] ---> How should I implement adding multiple products
                               in the same form?
cost: [_________________] 

Save (button)

Hint: it is just a question, if you have some ideas tell me please because I don't know how to do it.

thanks

Anton Strogonoff · Accepted Answer · 2013-04-21 05:35:40Z

2

One way is to use a Formset. Formsets you may have seen, for example, in Django admin for displaying multiple related objects as inlines.

Another way could involve AJAX, example solution:

“Added products” is a simple <ul> list with products added to order
“Search product” is a plain text field, where user enters product name or SKU
User input is sent via AJAX to the server, which returns a list of relevant products
These product suggestions are displayed to user
When user clicks on a product name, another AJAX request is made to associate given product with the order
After request completes, the “Added products” list is refreshed via AJAX, and newly added product appears there

This would require that you first create a temporary order to which you could later attach products via separate requests. Formsets don't have this requirement, but personally I haven't used them a lot, they look a bit cumbersome.

answered Apr 21, 2013 at 5:35

Anton Strogonoff

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2 Comments

dcft Over a year ago

first I want to thank you for fixing my question :) ....OH that interesting, honestly I was thinking about implement ajax in my project.. Do you know about some tutorial about it???

Anton Strogonoff Over a year ago

I can't remember any, but it's simple, you just write a regular view and request its URL via e.g. jQuery's $.ajax(). View can return partial HTML that you add to your page and display to user, or it can return JSON that you process in your JS (e.g. creating necessary DOM elements to display product suggestions).

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