Module: SimpleFormAttachments::HasAttachments::ClassMethods

Defined in:
app/models/concerns/simple_form_attachments/has_attachments.rb

Instance Method Summary collapse

Instance Method Details

#attachment_accessor_names ⇒ Object 



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# File 'app/models/concerns/simple_form_attachments/has_attachments.rb', line 8

def attachment_accessor_names
  @@attachment_accessor_names ||= []
end

#has_many_attachments(accessor_name, opts = {}) ⇒ Object 



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# File 'app/models/concerns/simple_form_attachments/has_attachments.rb', line 14

def has_many_attachments(accessor_name, opts = {})
  attachment_accessor_names << accessor_name

  options = {
    class_name: opts.fetch(:class_name, nil),
    dependent: opts.fetch(:dependent, nil),
    inverse_of: opts.fetch(:inverse_of, nil),
  }

  has_and_belongs_to_many accessor_name, options do
    # FIXME: ideally the relation would return the attachments already sorted,
    # but that does not seem to be possible at the moment
    #
    # or at least we maintain the query and sort on the db level,
    # but as of not it is not possible to provide custom sort function to mongodb
    #
    define_method :sorted do
      target.sort_by do |attachment|
        base.send("#{accessor_name.to_s.singularize}_ids").index(attachment.id)
      end
    end
  end

  accepts_nested_attributes_for accessor_name

  define_method :"mark_#{accessor_name}_permanent" do
    send(accessor_name).update_all(temporary: false)
  end
end

#has_one_attachment(accessor_name, opts = {}) ⇒ Object 



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# File 'app/models/concerns/simple_form_attachments/has_attachments.rb', line 46

def has_one_attachment(accessor_name, opts = {})
  attachment_accessor_names << accessor_name

  options = {
    class_name: opts.fetch(:class_name, nil),
    dependent: opts.fetch(:dependent, nil),
    optional: opts.fetch(:optional, true)
  }

  belongs_to accessor_name, options

  accepts_nested_attributes_for accessor_name

  define_method "mark_#{accessor_name}_permanent" do
    send(accessor_name).update(temporary: false) if send(accessor_name)
  end
end