module EditableWrapper

# File app/models/concerns/editable_wrapper.rb, line 8
def editing? = editing_id != nil

def new_record? = editing_id.nil?

def readable_attribute_names
  attribute_names
end

def writable_attribute_names
  attribute_names
end

def read_from!(instance)
  self.editing_id = instance.id

  readable_attribute_names
    .excluding("editing_id")
    .each do |attribute|
      public_send("#{attribute}=", instance.public_send(attribute))
    end

  save!(context: :create)
end

def write_to!(instance)
  if new_record? && instance.persisted?
    raise CannotWritePersistedRecord
  elsif editing? && editing_id != instance.id
    raise CannotWriteDifferentRecord
  end

  writable_attribute_names
    .excluding("editing_id")
    .each do |attribute|
      instance.public_send("#{attribute}=", public_send(attribute))
    end
end

class CannotWriteDifferentRecord < StandardError
end

class CannotWritePersistedRecord < StandardError
end

# File app/models/concerns/editable_wrapper.rb, line 10
  def new_record? = editing_id.nil?

  def readable_attribute_names
    attribute_names
  end

  def writable_attribute_names
    attribute_names
  end

  def read_from!(instance)
    self.editing_id = instance.id

    readable_attribute_names
      .excluding("editing_id")
      .each do |attribute|
        public_send("#{attribute}=", instance.public_send(attribute))
      end

    save!(context: :create)
  end

  def write_to!(instance)
    if new_record? && instance.persisted?
      raise CannotWritePersistedRecord
    elsif editing? && editing_id != instance.id
      raise CannotWriteDifferentRecord
    end

    writable_attribute_names
      .excluding("editing_id")
      .each do |attribute|
        instance.public_send("#{attribute}=", public_send(attribute))
      end
  end

  class CannotWriteDifferentRecord < StandardError
  end

  class CannotWritePersistedRecord < StandardError
  end
end

# File app/models/concerns/editable_wrapper.rb, line 20
def read_from!(instance)
  self.editing_id = instance.id

  readable_attribute_names
    .excluding("editing_id")
    .each do |attribute|
      public_send("#{attribute}=", instance.public_send(attribute))
    end

  save!(context: :create)
end

# File app/models/concerns/editable_wrapper.rb, line 12
def readable_attribute_names
  attribute_names
end

# File app/models/concerns/editable_wrapper.rb, line 16
def writable_attribute_names
  attribute_names
end

# File app/models/concerns/editable_wrapper.rb, line 32
def write_to!(instance)
  if new_record? && instance.persisted?
    raise CannotWritePersistedRecord
  elsif editing? && editing_id != instance.id
    raise CannotWriteDifferentRecord
  end

  writable_attribute_names
    .excluding("editing_id")
    .each do |attribute|
      instance.public_send("#{attribute}=", public_send(attribute))
    end
end