59 lines
1.7 KiB
Ruby
59 lines
1.7 KiB
Ruby
# frozen_string_literal: true
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class Element < ApplicationRecord
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has_rich_text :description
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belongs_to :page, touch: true
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has_many :success_criteria, -> { order(:position) }, dependent: :destroy
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delegate :report, to: :page
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before_validation :set_position
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before_update :update_positions, if: :position_changed?
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has_one_attached :screenshot do |attachable|
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attachable.variant :thumbnail, resize_to_limit: [ 200, 200 ]
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end
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scope :failed, -> { where(SuccessCriterion.where(result: SuccessCriterion.results[:failed]).arel.exists) }
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# Calculate actual conformity level:
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# - if a success_criterion has result :failed -> the confirmity_level
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# of that success_criterion is not reached.
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# - the resulting level is the highest readched level
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# abeying rule above.
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def level
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return nil
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return nil unless success_criteria.all(&:result)
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element
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min_failed = success_criteria.select(&:failed?).map(&:level).min
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possible_levels = success_criteria.select(&:passed?).map(&:level).uniq
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return nil if possible_levels.empty?
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Rails.logger.debug possible_levels.inspect
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Rails.logger.debug min_failed
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possible_levels[possible_levels.find_index(min_failed) - 1]
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end
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def max_level
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@max_level ||= success_criteria.reject(&:not_applicable?).max(&:level)
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end
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def number
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"#{page.position}.#{position}"
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end
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private
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def set_position
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Rails.logger.debug("element: position #{position}")
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self.position ||= (page.elements.pluck(:position).max || 0) + 1
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end
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def update_positions
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if position_was
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page.elements.where("position > ?", position_was).update_all("position = position - 1")
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end
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page.elements.where(position: position..).update_all("position = position + 1")
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end
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end
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