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24 lines
659 B
Ruby
24 lines
659 B
Ruby
module HasWarehouseLineItems
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extend ActiveSupport::Concern
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included do
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has_many :line_items, dependent: :destroy
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accepts_nested_attributes_for :line_items, reject_if: :all_blank, allow_destroy: true
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has_many :skus, through: :line_items
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end
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def labor_cost
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# $1.80 base * 20¢/SKU
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1.80 + (0.20 * skus.distinct.count)
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end
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def contents_actual_cost_to_hc
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line_items.joins(:sku).sum("warehouse_skus.actual_cost_to_hc * warehouse_line_items.quantity")
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end
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def contents_declared_unit_cost
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line_items.includes(:sku).sum do |line_item|
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(line_item.sku.declared_unit_cost || 0) * line_item.quantity
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end
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end
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end
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