mirror of
https://github.com/openfoodfoundation/openfoodnetwork
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60d05a941c
This adds a data migration to fix those cases. It defaults to showing 1 unit of the specified weight. That is, if the user chose Kg, it'll display 1 as unit. Note that migration logs the process in a log/migrate.log file separate from the regular Rails log/production.log file. When you run the migration you'll see something like: Fixing variants missing unit_value... Processing variant 12... Succesfully fixed variant 12 Done! This helps auditing the changes applied and debug any possible failure scenarios. You can delete it once all is ok.
50 lines
1.1 KiB
Ruby
50 lines
1.1 KiB
Ruby
# Fixes variants whose product.variant_unit is 'weight' and miss a unit_value,
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# showing 1 unit of the specified weight. That is, if the user chose Kg, it'll
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# display 1 as unit.
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class FixVariantsMissingUnitValue < ActiveRecord::Migration
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HUMAN_UNIT_VALUE = 1
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def up
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logger.info "Fixing variants missing unit_value...\n"
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variants_missing_unit_value.find_each do |variant|
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logger.info "Processing variant #{variant.id}..."
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fix_unit_value(variant)
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end
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logger.info "Done!"
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end
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def down
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end
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private
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def variants_missing_unit_value
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Spree::Variant
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.joins(:product)
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.readonly(false)
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.where(
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spree_products: { variant_unit: 'weight' },
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spree_variants: { unit_value: nil }
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)
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end
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def fix_unit_value(variant)
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variant.unit_value = HUMAN_UNIT_VALUE * variant.product.variant_unit_scale
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if variant.save
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logger.info "Successfully fixed variant #{variant.id}"
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else
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logger.info "Failed fixing variant #{variant.id}"
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end
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logger.info ""
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end
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def logger
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@logger ||= Logger.new('log/migrate.log')
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end
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end
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