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https://github.com/openfoodfoundation/openfoodnetwork
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36e6d96e17
We weren't allowing negative stock to stop any bug from accidentally drawing too much stock. But now we want to implement a backordering logic that depends on negative stock levels to know how much is needed to replenish stock levels.
90 lines
2.3 KiB
Ruby
90 lines
2.3 KiB
Ruby
# frozen_string_literal: true
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require 'spree/localized_number'
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class VariantOverride < ApplicationRecord
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extend Spree::LocalizedNumber
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include StockSettingsOverrideValidation
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acts_as_taggable
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belongs_to :hub, class_name: 'Enterprise'
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belongs_to :variant, class_name: 'Spree::Variant'
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# Default stock can be nil, indicating stock should not be reset or zero, meaning reset to zero.
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# Need to ensure this can be set by the user.
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validates :default_stock, numericality: { greater_than_or_equal_to: 0 }, allow_nil: true
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validates :price, numericality: { greater_than_or_equal_to: 0 }, allow_nil: true
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validates :count_on_hand, numericality: {
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greater_than_or_equal_to: 0, unless: :on_demand?
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}, allow_nil: true
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default_scope { where(permission_revoked_at: nil) }
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scope :for_hubs, lambda { |hubs|
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where(hub_id: hubs)
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}
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scope :distinct_import_dates, lambda {
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select('DISTINCT variant_overrides.import_date').
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where.not(variant_overrides: { import_date: nil }).
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order('import_date DESC')
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}
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localize_number :price
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def self.indexed(hub)
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for_hubs(hub).preload(:variant).index_by(&:variant)
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end
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def stock_overridden?
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# If count_on_hand is present, it means on_demand is false
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# See StockSettingsOverrideValidation for details
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count_on_hand.present?
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end
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def use_producer_stock_settings?
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on_demand.nil?
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end
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def move_stock!(quantity)
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unless stock_overridden?
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Bugsnag.notify RuntimeError.new "Attempting to move stock of a VariantOverride " \
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"without a count_on_hand specified."
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return
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end
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if quantity > 0
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increment! :count_on_hand, quantity
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elsif quantity < 0
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decrement! :count_on_hand, -quantity
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end
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end
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def default_stock?
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default_stock.present?
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end
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def reset_stock!
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if resettable
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if default_stock?
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self.attributes = { on_demand: false, count_on_hand: default_stock }
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save
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else
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Bugsnag.notify RuntimeError.new "Attempting to reset stock level for a variant " \
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"with no default stock level."
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end
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end
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self
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end
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def deletable?
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price.blank? &&
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count_on_hand.blank? &&
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default_stock.blank? &&
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resettable.blank? &&
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sku.nil? &&
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on_demand.nil?
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end
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end
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