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36 lines
1,023 B
Ruby
36 lines
1,023 B
Ruby
# frozen_string_literal: true
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class ResultOrderableElement < ApplicationRecord
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validates :position, uniqueness: { scope: :result }
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validate :check_result_relations
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around_destroy :decrement_following_elements_positions
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belongs_to :result, inverse_of: :result_orderable_elements, touch: true
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belongs_to :orderable, polymorphic: true, inverse_of: :result_orderable_element
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private
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def check_result_relations
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if result != orderable.result
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errors.add(
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:step_orderable_element,
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I18n.t('activerecord.errors.models.result_orderable_element.attributes.result.wrong_result')
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)
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end
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end
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def decrement_following_elements_positions
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result.with_lock do
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yield
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result.result_orderable_elements
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.where('position > ?', position)
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.order(position: :asc).each do |result_orderable_element|
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# find_each ignore any ordering
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result_orderable_element.position -= 1
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result_orderable_element.save!
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end
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end
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end
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end
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