I have i question about automatic form generation when using rich many-
to-many joins in Hobo.
Firstly, i have 2 models:
class Associate
fields do
name :string
email :string
timestamps
end
has_many :portfolio_associates, :dependent => :destroy
has_many :portfolios, :through => :portfolio_associates
class Portfolio < ActiveRecord::Base
fields do
name :string
description :text
started_at :date
ended_at :date
timestamps
end
has_many :portfolio_associates, :dependent => :destroy
has_many :associates, :through => :portfolio_associates
And a binding model:
class PortfolioAssociate < ActiveRecord::Base
fields do
role enum_string(:student, :supervisor, :external_contact)
timestamps
end
belongs_to :associate
belongs_to :portfolio
When i create i new portfolio, i would like to be able to associate
associates to the portfolio, and give these associates different
roles. I kind of works, but not 100% percent. Here are the glitches:
- When i make the :associates accessible to the portfolio, i can
create a new portfolio without problem, and add and delete all
associated associates without any problem, BUT i cannot set the role
of the portfolio association.
- When i make the :portfolio_associates accessible to the portfolio, i
can set the role, but i HAVE to assign at least one association for
the portfolio entry to be saved correctly, otherwise the one
portfolio_association in the create form doe's not have a associate
selected, and that breaks the join.
Ny question is how can i secure that i can both create a portfolio
WITHOUT any association AND make is possible to assign roles to the
associations?
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