We are running a script to give a specific product for free based on the total amount in the cart. But it calculates the cart total before a coupon code is added. Is there a way to recheck if the total threshold has been met after a coupon has been added?
Our current script
FREEBIE_PRODUCT_ID = 1111111111 CART_TOTAL_FOR_DISCOUNT_APPLIED = Money.new(cents: 100) * 125 DISCOUNT_MESSAGE = "FREE Item Name When You Spend Over 125" freebie_in_cart = false cart_price_exceeds_discounted_freebie_amount = false cost_of_freebie = Money.zero # Test if the freebie is in the cart, also get its cost if it is so we can deduct from the cart total Input.cart.line_items.select do |line_item| product = line_item.variant.product if product.id == FREEBIE_PRODUCT_ID freebie_in_cart = true cost_of_freebie = line_item.line_price end end # If the freebie exists in the cart, check the subtotal of the other items to see if the freebie should be discounted if freebie_in_cart cart_subtotal_minus_freebie_cost = Input.cart.subtotal_price - cost_of_freebie if cart_subtotal_minus_freebie_cost >= CART_TOTAL_FOR_DISCOUNT_APPLIED cart_price_exceeds_discounted_freebie_amount = true end end # Only true if the freebie is in the cart was_discount_applied = false if cart_price_exceeds_discounted_freebie_amount Input.cart.line_items.each do |item| if item.variant.product.id == FREEBIE_PRODUCT_ID && was_discount_applied == false if item.quantity > 1 new_line_item = item.split(take: 1) new_line_item.change_line_price(Money.zero, message: DISCOUNT_MESSAGE) Input.cart.line_items << new_line_item next else item.change_line_price(Money.zero, message: DISCOUNT_MESSAGE) end end end end Output.cart = Input.cart
The .subtotal_price method on Cart object "Returns the subtotal price of the cart after line item discounts are applied but before discount codes are applied."
So in Scripts you do not know what is applied via a coupon.
You can hardcode the discount coupons values and make the math but this will be really maintainable can can be error prone
I know one app that can help you with this. Kart Discount App (https://apps.shopify.com/discount-coupon-field-in-cart-page) can help you with the customization that you need. They did the same for one of their clients. Download the app & contact their support team. They are really fast!
Did someone found a way the perfect way to get the discounted amount by discount code in cart?
I tried this but it does not work for BUY X GET Y discounts code :
class Discounts def self.discount_amount(cart) if cart.discount_code.class == CartDiscount::Percentage (cart.discount_code.percentage / 100) * cart.subtotal_price elsif cart.discount_code.class == CartDiscount::FixedAmount cart.discount_code.amount else 0 end end end discount_amount = Discounts.discount_amount
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