38 lines
1.4 KiB
Ruby
38 lines
1.4 KiB
Ruby
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Article.class_eval do
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def unequal_attributes(new_article, options = {})
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# try to convert different units when desired
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if options[:convert_units] == false
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new_price = nil
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new_unit_quantity = nil
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else
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new_price, new_unit_quantity = convert_units(new_article)
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end
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if new_price && new_unit_quantity
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new_unit = self.unit
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else
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new_price = new_article.price
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new_unit_quantity = new_article.unit_quantity
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new_unit = new_article.unit
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end
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attribute_hash = {
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:name => [self.name, new_article.name],
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:manufacturer => [self.manufacturer, new_article.manufacturer.to_s],
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:origin => [self.origin, new_article.origin],
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:unit => [self.unit, new_unit],
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:price => [self.price.to_f.round(2), new_price.to_f.round(2)],
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:tax => [self.tax, new_article.tax],
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:deposit => [self.deposit.to_f.round(2), new_article.deposit.to_f.round(2)],
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# take care of different num-objects.
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:unit_quantity => [self.unit_quantity.to_s.to_f, new_unit_quantity.to_s.to_f],
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:note => [self.note.to_s, new_article.note.to_s]
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}
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if options[:update_category] == true
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new_article_category = new_article.article_category
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attribute_hash[:article_category] = [self.article_category, new_article_category] unless new_article_category.blank?
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end
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Article.compare_attributes(attribute_hash)
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end
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end
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