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module ProductsHelper
# returns the price of the product to show for display purposes
def product_price(product_or_variant, options={})
options.assert_valid_keys(:format_as_currency)
options.reverse_merge! :format_as_currency => true
amount = product_or_variant.is_a?(Product) ? product_or_variant.master_price : product_or_variant.price
options[:format_as_currency] ? format_price(amount, options) : amount
end
# returns the formatted change in price (from the master price) for the specified variant (or simply return
# the variant price if no master price was supplied)
def variant_price_diff(variant)
return product_price(variant) unless variant.product.master_price
diff = product_price(variant, :format_as_currency => false) - product_price(variant.product, :format_as_currency => false)
return nil if diff == 0
if diff > 0
"(#{t("add")}: #{format_price diff.abs})"
else
"(#{t("subtract")}: #{format_price diff.abs})"
end
end
def format_price(price)
# Don't be fooled - default implementation uses number_to_currency but other extensions may patch into this. It is
# suggested that you leave your format_price calls alone.
number_to_currency(price)
end
# converts line breaks in product description into <p> tags (for html display purposes)
def product_description(product)
product.description.gsub(/^(.*)$/, '<p>\1</p>')
end
# generates nested url to product based on supplied taxon
def seo_url(taxon, product = nil)
return '/t/' + taxon.permalink if product.nil?
'/t/' + taxon.permalink + "p/" + product.permalink
end
end
Version data entries
9 entries across 9 versions & 2 rubygems