Module: ThroughCheckboxes::Checkboxesfor::ClassMethods

Defined in:
lib/throughcheckboxes/checkboxes_for.rb

Instance Method Summary collapse

Instance Method Details

#checkboxes_for(*relations) ⇒ nil

Use it in your model for the relations you need to handle with checkboxes.

Returns:

  • (nil)

Raises:

  • ThroughCheckboxesNameError If any relation is not valid.



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# File 'lib/throughcheckboxes/checkboxes_for.rb', line 15

def checkboxes_for(*relations)

    klass = self

    ThroughCheckboxes::Core.validate(klass, *relations)

    relations.each { |relation|

        field_name=ThroughCheckboxes::Core.field_name(relation)

        attr_accessible field_name.to_sym

        define_method "#{field_name}=" do |ids|
            send("#{relation}=",ids.select { |id| id.present? }.map {|id| ThroughCheckboxes::Core.relation_klass(klass, relation).find(id)})
        end

        define_method field_name do
            send("#{relation}").map {|e| e.id}
        end

    }

end