mirror of
https://github.com/scinote-eln/scinote-web.git
synced 2024-09-20 23:16:15 +08:00
36 lines
983 B
Ruby
36 lines
983 B
Ruby
# frozen_string_literal: true
|
|
|
|
class StepOrderableElement < ApplicationRecord
|
|
validates :position, uniqueness: { scope: :step }
|
|
validate :check_step_relations
|
|
|
|
around_destroy :decrement_following_elements_positions
|
|
|
|
belongs_to :step, inverse_of: :step_orderable_elements, touch: true
|
|
belongs_to :orderable, polymorphic: true, inverse_of: :step_orderable_element
|
|
|
|
private
|
|
|
|
def check_step_relations
|
|
if step != orderable.step
|
|
errors.add(
|
|
:step_orderable_element,
|
|
I18n.t('activerecord.errors.models.step_orderable_element.attributes.step.wrong_step')
|
|
)
|
|
end
|
|
end
|
|
|
|
def decrement_following_elements_positions
|
|
step.with_lock do
|
|
yield
|
|
step.step_orderable_elements
|
|
.where('position > ?', position)
|
|
.order(position: :asc).each do |step_orderable_element|
|
|
# find_each ignore any ordering
|
|
step_orderable_element.position -= 1
|
|
step_orderable_element.save!
|
|
end
|
|
end
|
|
end
|
|
end
|