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Versions: 13
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Contents
module ActiveZuora
module LazyAttr
# This is meant to be included onto an Invoice class.
# Returns true/false on success.
# Result hash is stored in #result.
# If success, the id will be set in the object.
# If failure, errors will be present on object.
extend ActiveSupport::Concern
included do
include Base
end
def fetch_field(field_name)
return nil unless self.id
records = fetch_field_records("select #{self.class.get_field!(field_name).zuora_name} from #{zuora_object_name} where Id = '#{self.id}'")
type_cast_fetched_field(field_name, records.nil? ? nil : records[field_name.to_sym])
end
private :fetch_field
def fetch_field_records(query_string)
response = self.class.connection.request(:query){ |soap| soap.body = { :query_string => query_string } }
response[:query_response][:result][:records]
end
private :fetch_field_records
def type_cast_fetched_field(field_name, value)
get_field!(field_name).type_cast(value)
end
private :type_cast_fetched_field
module ClassMethods
def lazy_load(*field_names)
Array(field_names).map(&:to_sym).each do |field_name|
define_lazy_field field_name
end
end
def define_lazy_field(field)
instance_eval do
define_method field do
instance_variable_get("@#{field}") || instance_variable_set("@#{field}", fetch_field(field))
end
end
end
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems