23 lines
448 B
Ruby
23 lines
448 B
Ruby
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class ContestMemberRole < ActiveRecord::Base
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belongs_to :contest_member
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belongs_to :role
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# attr_accessible :title, :body
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after_destroy :remove_member_if_empty
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validates_presence_of :role
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validate :validate_role_member
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def validate_role_member
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errors.add :role_id, :invalid if role && !role.member?
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end
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private
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def remove_member_if_empty
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if contest_member.roles.empty?
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contest_member.destroy
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end
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end
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end
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