Hello.
I need an advice to find a solution on creating a new has_many
:through association on a existing model.
I have:
Company
has_many :managements, :dependent => :destroy
has_many :managers, :through => :managements
Manager
has_many :managements, :dependent => :destroy
has_many :companies, :through => :managements
With the command
link_to "Add manager", new_company_manager_url(@company), :class =>
"btn", :remote => true
I display the manager form, create a new manager associated to the
company and create a new management.
In manager controller:
def create
@company = Company.find(params[:company_id])
@manager = Manager.new(params[:manager])
add_management
@manager.save
respond_with @manager
end
private
def add_management
profile = params[:manager][:profile]
profile.delete_if { |v| v.empty? }
profile.each do |prof|
@manager.managements.build(:profile => prof, :company => @company)
end
end
If the manager exists I only need to create a new management, so in
the manager new action I've put:
def new
@company = Company.find(params[:company_id])
@manager = Manager.find_or_initialize_by_fiscal_code(params[:fiscal_code])
respond_with(@manager)
end
If the manager does not exists I create a new one and a new management
like showed before.
But, if the manager exists the form action is to update manager.
I'm searching for a solution to only create a new management without
updating manager.
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