977fa4539e
* Previously, some models had "duplicated" `belongs_to` associations, which were now removed (and replaced by the `include Creation`).
16 lines
467 B
Ruby
16 lines
467 B
Ruby
# frozen_string_literal: true
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class ProgrammingGroupMembership < ApplicationRecord
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include Creation
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belongs_to :programming_group
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validate :unique_membership_for_exercise
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validates :user_id, uniqueness: {scope: %i[programming_group_id user_type]}
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def unique_membership_for_exercise
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if user.programming_groups.where(exercise: programming_group.exercise).any?
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errors.add(:base, :already_exists, id_with_type: user.id_with_type)
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end
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end
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end
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