Shopify Scripts

apply_discount_exclude_products.rb

EXCLUDED_IDS = [
  1234567890
]
DISCOUNT_CODE = "DISCOUNT_CODE"
DISCOUNT_PERCENTAGE = 0.70

discount = Input.cart.discount_code

if discount and discount.code == DISCOUNT_CODE
  Input.cart.line_items.each do |line_item|
    product = line_item.variant.product
    if !EXCLUDED_IDS.include?(product.id)
      line_item.change_line_price(line_item.line_price * DISCOUNT_PERCENTAGE, message: "Sale Reason")
    end
  end
end

Output.cart = Input.cart

grant_n_products_by_type_for_free.rb

DISCOUNT_CODE = "THING-"
DISCOUNT_MESSAGE = "Merchant Discount"
DISCOUNTED_ITEM_COUNT = 3
INCLUDED_PRODUCT_TYPES = [
  "type1",
  "type2"
]

discount = Input.cart.discount_code
discounted_items = 0

if discount and discount.code.include? DISCOUNT_CODE

  eligible_items = Input.cart.line_items.select do |line_item|
    product = line_item.variant.product
    product_type = product.product_type
    INCLUDED_PRODUCT_TYPES.include? product_type
  end

  eligible_items.each do |line_item|
    if discounted_items < DISCOUNTED_ITEM_COUNT
      remaining = (DISCOUNTED_ITEM_COUNT - discounted_items)
      total_discount_items = line_item.quantity <= remaining ? line_item.quantity : remaining
      total_discount_factor = line_item.quantity <= remaining ? line_item.quantity : (remaining/line_item.quantity)
      new_price = line_item.line_price - (line_item.line_price * total_discount_factor)
      line_item.change_line_price(new_price, message: DISCOUNT_MESSAGE)
      discounted_items += total_discount_items
    end
  end
end

Output.cart = Input.cart

product_type_match_free_shipping.rb

ITEM_COUNT = 0
NOT_QUALIFIED = false
INCLUDED_PRODUCT_TYPES = [
  "type1",
  "type2"
]
DISCOUNT_CODE = "DISCOUNT_CODE"

discount = Input.cart.discount_code

if discount and discount.code == DISCOUNT_CODE
  Input.cart.line_items.each do |line_item|
    product_type = line_item.variant.product.product_type
    if INCLUDED_PRODUCT_TYPES.include? product_type
      ITEM_COUNT += line_item.quantity
    else 
      NOT_QUALIFIED = true
      break
    end
  end
end

if ITEM_COUNT >= 3 and !NOT_QUALIFIED
  Input.shipping_rates.each do |shipping_rate|
    shipping_rate.apply_discount(shipping_rate.price * 1, message: "Free shipping")
  end
end

Output.shipping_rates = Input.shipping_rates