mirror of
https://github.com/openfoodfoundation/openfoodnetwork
synced 2026-01-28 21:07:16 +00:00
ec8c710e3a
OFN products and variants need more data like a price but the DFC stores that in a different object. We may get a larger graph containing that information but we don't have any test data yet.
45 lines
1.3 KiB
Ruby
45 lines
1.3 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
# Describes the quantity contained in a product, for example:
|
|
#
|
|
# - 1 piece of apple, usually meaning the whole fruit
|
|
# - 2 litres of milk, for example in a big bottle or pouch
|
|
# - 750 grams of bread, for example a loaf
|
|
#
|
|
# The DFC also supports specific units like loafs and cans but we don't have
|
|
# standardised data within OFN to map to these types.
|
|
class QuantitativeValueBuilder < DfcBuilder
|
|
def self.quantity(variant)
|
|
DataFoodConsortium::Connector::QuantitativeValue.new(
|
|
unit: unit(variant),
|
|
value: variant.unit_value,
|
|
)
|
|
end
|
|
|
|
def self.unit(variant)
|
|
case variant.product.variant_unit
|
|
when "volume"
|
|
DfcLoader.connector.MEASURES.UNIT.QUANTITYUNIT.LITRE
|
|
when "weight"
|
|
DfcLoader.connector.MEASURES.UNIT.QUANTITYUNIT.GRAM
|
|
else
|
|
DfcLoader.connector.MEASURES.UNIT.QUANTITYUNIT.PIECE
|
|
end
|
|
end
|
|
|
|
def self.apply(quantity, product)
|
|
product.variant_unit, product.variant_unit_name =
|
|
case quantity.unit
|
|
when DfcLoader.connector.MEASURES.UNIT.QUANTITYUNIT.LITRE
|
|
["volume", "liter"]
|
|
when DfcLoader.connector.MEASURES.UNIT.QUANTITYUNIT.GRAM
|
|
["weight", "gram"]
|
|
else
|
|
["items", "items"]
|
|
end
|
|
|
|
product.variant_unit_scale = 1
|
|
product.unit_value = quantity.value
|
|
end
|
|
end
|