31 lines
641 B
Ruby
31 lines
641 B
Ruby
# == Schema Information
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# Schema version: 20090119155930
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#
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# Table name: stock_changes
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#
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# id :integer not null, primary key
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# delivery_id :integer
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# order_id :integer
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# article_id :integer
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# quantity :decimal(6, 2) default(0.0)
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# created_at :datetime
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#
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class StockChange < ActiveRecord::Base
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belongs_to :delivery
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belongs_to :order
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belongs_to :article
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validates_presence_of :article_id, :quantity
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validates_numericality_of :quantity
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after_save :update_article_quantity
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after_destroy :update_article_quantity
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protected
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def update_article_quantity
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article.update_quantity!
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end
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end
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