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# frozen_string_literal: true
class TodoPolicy < BasePolicy
desc 'User can only read own todos'
condition(:own_todo) do
@user && @subject.user_id == @user.id
end
desc "User can read the todo's target"
condition(:can_read_target) do
@user && @subject.target&.readable_by?(@user)
end
desc "Todo has confidential note"
condition(:has_confidential_note, scope: :subject) { @subject&.note&.confidential? }
desc "User can read the todo's confidential note"
condition(:can_read_todo_confidential_note) do
@user && @user.can?(:read_confidential_notes, @subject.target)
end
rule { own_todo & can_read_target }.enable :read_todo
rule { can?(:read_todo) }.enable :update_todo
rule { has_confidential_note & ~can_read_todo_confidential_note }.policy do
prevent :read_todo
prevent :update_todo
end
end
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