Relation and view problem

Hi,

I'll try to make this as simple as possible! I have a
MasterItem
object. MasterItem has a ManyToMany relation to OpionGroup
called
available_option_groups. OptionGroup has a ManyToMany
relation to
OptionItem names option_items.

Now, I have a SubItem, which as a ForeignKey relation to
MasterItem
called master_item.

I want to be able to choose from a a list of available
options, that
were set in the MastItem, from the SubItem. Obviously, this
has
problems.

Problem 1
When you are creating a new SubItem, it doesn't know what
the
MasterItem is, so how can it get any information from a
MasterItem that
isn't there? Which means, how can I display a list of
possible/available options?

Problem 2
Lets say the SubItem now has a MasterItem set. The page
displays. I now
want to be able to select option items, from the master_item
(MasterItem) -> available_options (GroupOption) ->
items (OptionItem).
Ugh!

>From there, I don't know what to do. I've literally been
trying for 2
days to get this working! Any help or tips would be greatly
appreciated!

- matt


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