Module: Formable::ClassMethods

Defined in:
lib/app/models/concerns/formable.rb

Overview

Public: Add to class methods

Instance Method Summary collapse

Instance Method Details

#all_associations ⇒ Object

gather up the collections we care about and return them. For now, the many to many associations are the ones that need some extra help.



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# File 'lib/app/models/concerns/formable.rb', line 55

def all_associations
  many_to_many_associations
end

#allowed_param_names(filter_names = []) ⇒ Object

Return the complete list of key names that would appear in the form.



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# File 'lib/app/models/concerns/formable.rb', line 32

def allowed_param_names(filter_names = [])
  # Always filter out the mongoid reserved items
  filter_names += %w[created_at updated_at _type _id]
  associations = all_associations
  # filter out the relationship names so we don't have dups
  associations.each { |association| filter_names << association.keys.first }
  (field_names + associations).delete_if { |name| filter_names.include?(name) }
rescue StandardError
  attribute_names.delete_if { |name| filter_names.include?(name) }
end

#field_names ⇒ Object

allow the model to filter out a name if they want to, meaning the model can return a subset of attribute names



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# File 'lib/app/models/concerns/formable.rb', line 47

def field_names
  attribute_names
end

#many_to_many_associations ⇒ Object

Return a collection of many to many assocations. We basically need to turn the current value returned by attribute names

relationship_ids

to

{ relationship_ids => [] }

Telling the permit command to accept the value as an array of items.



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# File 'lib/app/models/concerns/formable.rb', line 71

def many_to_many_associations
  associations = []
  reflect_on_all_associations.each do |association|
    next unless association.macro == :has_and_belongs_to_many

    associations << { association.key => [] }
  end
  associations
end