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Contents
module Comee
module Core
class ProductLookupService
ORGANIZATION = "ORG".freeze
##
# This method returns a translated code for a given +code+. The +code+ can be
# for a supplier or a client. The source of the +code+ is described using the +from+
# parameter. The +from+ parameter is a hash which specifies the id of the source
# supplier/client as `itemable_id`, and the data type of the source as itemable_type.
# We specify the id and type because the ProductLookup model has a polymorphic relationship
# with supplier and client.
#
# The +to+ parameter uses a similar format to specify the target supplier/client we want to
# conduct the lookup for.
def lookup_product(code, from, to)
error = "The 'from' parameter cannot be assigned any string other than '#{ORGANIZATION}'."
raise(StandardError, error) if from.instance_of?(String) && from != ORGANIZATION
error = "The 'to' parameter cannot be assigned any string other than '#{ORGANIZATION}'."
raise(StandardError, error) if to.instance_of?(String) && to != ORGANIZATION
if from == ORGANIZATION
query = ProductLookup.joins(:product).find_by(product: {code: code}, **to)
return query.code
end
if to == ORGANIZATION
product = ProductLookup.find_by(code: code, **from).product
return product.code
end
product = ProductLookup.find_by(code: code, **from).product
query = ProductLookup.find_by(product: product, **to)
query.code
end
end
end
end
Version data entries
45 entries across 45 versions & 1 rubygems