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module Spree
class Variant < ActiveRecord::Base
#FIXME WARNING tested only under sqlite and postgresql
scope :descend_by_popularity, order("COALESCE((SELECT COUNT(*) FROM #{LineItem.quoted_table_name} GROUP BY #{LineItem.quoted_table_name}.variant_id HAVING #{LineItem.quoted_table_name}.variant_id = #{Variant.quoted_table_name}.id), 0) DESC")
class << self
# Returns variants that match a given option value
#
# Example:
#
# product.variants_including_master.has_option(OptionType.find_by_name("shoe-size"),OptionValue.find_by_name("8"))
def has_option(option_type, *option_values)
option_types = OptionType.table_name
option_type_conditions = case option_type
when OptionType then { "#{option_types}.name" => option_type.name }
when String then { "#{option_types}.name" => option_type }
else { "#{option_types}.id" => option_type }
end
relation = joins(:option_values => :option_type).where(option_type_conditions)
option_values_conditions = option_values.each do |option_value|
option_value_conditions = case option_value
when OptionValue then { "#{OptionValue.table_name}.name" => option_value.name }
when String then { "#{OptionValue.table_name}.name" => option_value }
else { "#{OptionValue.table_name}.id" => option_value }
end
relation = relation.where(option_value_conditions)
end
relation
end
alias_method :has_options, :has_option
end
end
end
Version data entries
52 entries across 52 versions & 2 rubygems