mirror of
https://github.com/openfoodfoundation/openfoodnetwork
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30 lines
890 B
Ruby
30 lines
890 B
Ruby
# frozen_string_literal: true
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# Describes the quantity contained in a product, for example:
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#
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# - 1 piece of apple, usually meaning the whole fruit
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# - 2 litres of milk, for example in a big bottle or pouch
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# - 750 grams of bread, for example a loaf
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#
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# The DFC also supports specific units like loafs and cans but we don't have
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# standardised data within OFN to map to these types.
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class QuantitativeValueBuilder < DfcBuilder
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def self.quantity(variant)
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DataFoodConsortium::Connector::QuantitativeValue.new(
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unit: unit(variant),
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value: variant.unit_value,
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)
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end
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def self.unit(variant)
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case variant.product.variant_unit
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when "volume"
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DfcLoader.connector.MEASURES.UNIT.QUANTITYUNIT.LITRE
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when "weight"
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DfcLoader.connector.MEASURES.UNIT.QUANTITYUNIT.GRAM
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else
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DfcLoader.connector.MEASURES.UNIT.QUANTITYUNIT.PIECE
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end
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end
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end
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