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19 lines
411 B
Ruby
19 lines
411 B
Ruby
class Coupon < ActiveRecord::Base
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has_many :invoices
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validates :name, presence: true
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validates :code, presence: true
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validates :code, format: { with: /\A[A-Z0-9]+\z/ ,message: 'only caps letters and numbers'}
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validates :percent_off, presence: true
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validates :percent_off, :inclusion => 0..100
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def safe_destroy
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if self.invoices.size == 0
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destroy
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else
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false
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end
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end
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end
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