from.rb

class From
  attr_accessor :original

  def initialize(object)
    self.original = object
  end

  def id
    "#{original.class}-#{original.id}"
  end

  def name
    self.send("#{original.class.to_s.downcase}_name")
  end

  def conversations
    @conversations ||= ConversationDecorator.decorate_collection(original.mailbox.conversations.order(updated_at: :desc))
  end

  private

  def role_name
    if original.resource_type.present? && original.resource_type == 'Clinic'
      "#{original.name} at clinic #{original.resource.name}"
    elsif original.resource_type.present? && original.resource_type == 'Employer'
      "#{original.name} at #{original.resource.name}"
    else
      original.name
    end
  end

  def user_name
    original.name
  end
end