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Paranoia doesn't support unique validation including deleted records: https://github.com/rubysherpas/paranoia/pull/333 We use a custom validator, ScopedUniquenessValidator to avoid the issue
26 lines
755 B
Ruby
26 lines
755 B
Ruby
# frozen_string_literal: false
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# paranoia doesn't support unique validation including deleted records:
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# https://github.com/rubysherpas/paranoia/pull/333
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# We use a custom validator to fix the issue, so we don't need to fork/patch the gem
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module Vouchers
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class ScopedUniquenessValidator < ActiveModel::Validator
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def validate(record)
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@record = record
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return unless unique_voucher_code_per_enterprise?
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record.errors.add :code, :taken, value: @record.code
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end
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private
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def unique_voucher_code_per_enterprise?
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query = Voucher.with_deleted.where(code: @record.code, enterprise_id: @record.enterprise_id)
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query = query.where.not(id: @record.id) unless @record.id.nil?
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query.present?
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end
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end
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end
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