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class ExaminationBank < ApplicationRecord
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belongs_to :user
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belongs_to :sub_discipline
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has_many :tag_discipline_containers, as: :container, dependent: :destroy
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has_many :tag_disciplines, through: :tag_discipline_containers
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has_many :examination_items, -> {order(position: :asc)}, dependent: :destroy
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def apply?
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!public && ApplyAction.where(container_type: "ExaminationBank", container_id: id, status: 0).exists?
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end
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def question_count
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examination_items.size
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end
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def total_score
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examination_items.pluck(:score).sum
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end
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end
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