Will Stackable rebuild this script?

Migrating a discounted cart subtotal script

Two scripts can look identical here and mean opposite things. One measures what its own earlier lines left behind; the other measures what somebody else’s discount left behind, and only the second is out of anyone’s hands.

Shopify-begränsning

Vad detta Script gjorde

It subtracted the shopper’s discount code from the subtotal first, then compared what was left against its threshold.

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Klistra in det i Scripts-räddning och se vad som byggs

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Detta Script

Shopify-begränsning

Den ursprungliga Ruby-koden

# GENERATED BY THE SHOPIFY SCRIPT CREATOR APP
# Version 0.12.0

class Qualifier
  def compare_amounts(compare, comparison_type, compare_to)
    case comparison_type
      when :greater_than
        return compare > compare_to
      when :greater_than_or_equal
        return compare >= compare_to
      else
        raise "Invalid comparison type"
    end
  end
end

class PostCartAmountQualifier < Qualifier
  def initialize(comparison_type, amount)
    @comparison_type = comparison_type
    @amount = Money.new(cents: amount * 100)
  end

  def match?(cart, selector = nil)
    total = cart.subtotal_price
    compare_amounts(total, @comparison_type, @amount)
  end
end

class PostCartAmountIncDiscCodeQualifier < PostCartAmountQualifier
  def initialize(comparison_type, amount)
    super(comparison_type, amount)
  end

  def match?(cart, selector = nil)
    total =
    case cart.discount_code
      when CartDiscount::Percentage
        if cart.subtotal_price >= cart.discount_code.minimum_order_amount
          cart_subtotal_without_gc = cart.line_items.reduce(Money.zero) do |total, item|
            total + (item.variant.product.gift_card? ? Money.zero : item.line_price)
          end
          gift_card_amount = cart.subtotal_price - cart_subtotal_without_gc
          cart_subtotal_without_gc * ((Decimal.new(100) - cart.discount_code.percentage) / 100) + gift_card_amount
        else
          cart.subtotal_price
        end
      when CartDiscount::FixedAmount
        if cart.subtotal_price >= cart.discount_code.minimum_order_amount
          [cart.subtotal_price - cart.discount_code.amount, Money.zero].max
        else
          cart.subtotal_price
        end
      else
        cart.subtotal_price
    end
    compare_amounts(total, @comparison_type, @amount)
  end
end

class PercentageDiscount
  def initialize(percent, message)
    @discount = (100 - percent) / 100.0
    @message = message
  end

  def apply(line_item)
    line_item.change_line_price(line_item.line_price * @discount, message: @message)
  end
end

class ConditionalDiscount < Campaign
  def initialize(condition, customer_qualifier, cart_qualifier, line_item_selector, discount, max_discounts)
    super(condition, customer_qualifier, cart_qualifier)
    @line_item_selector = line_item_selector
    @discount = discount
    @items_to_discount = max_discounts == 0 ? nil : max_discounts
  end

  def run(cart)
    raise "Campaign requires a discount" unless @discount
    return unless qualifies?(cart)
    cart.line_items.each do |item|
      @discount.apply(item)
    end
  end
end

CAMPAIGNS = [
  ConditionalDiscount.new(
    :all,
    nil,
    PostCartAmountIncDiscCodeQualifier.new(:greater_than_or_equal, 100),
    nil,
    PercentageDiscount.new(5, "5% off orders over $100 after discounts"),
    0
  ),
].freeze

CAMPAIGNS.each do |campaign|
  campaign.run(Input.cart)
end

Output.cart = Input.cart

Vad som händer med den här

Shopify cannot do this at checkout

Your Script measured its threshold against a subtotal that another discount had already reduced. Discounts at checkout all run at the same moment and cannot see each other's work, so we only ever see the original amounts.

Det här är en begränsning i Shopify och inte en lucka i Stackable. Ingen rabattapp kan bygga om det i dag, och därför går länken nedan till Shopifys egen dokumentation och inte till vår.

Läs Shopifys dokumentation

Orsaksnyckel: platform.postDiscountSubtotal

Det finns ingen varukorg att testa här, eftersom ingenting byggs. Att klistra in det här ger meddelandet ovan och ingen kampanj alls.

Vanliga frågor

Will Stackable rebuild this script?: No, and the reason is stated rather than hidden: Your Script measured its threshold against a subtotal that another discount had already reduced. Discounts at checkout all run at the same moment and cannot see each other's work, so we only ever see the original amounts.

Besläktade Script-former

Spend threshold, percentage

A percentage that unlocks once the cart is worth enough.

Spend threshold, amount off

A flat sum off the order once the cart crosses a value.

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