Hey, this is an interesting variation of the script template that Shopify provides. I've configured and generated a script for you. You can modify the tag from "FNP" to something else if needed at the bottom.
########################################################################
## Create Shopify scripts without writing code at playwrightapp.com ##
########################################################################
class Campaign
def initialize(condition, *qualifiers)
@condition = (condition.to_s + '?').to_sym
@qualifiers = PostCartAmountQualifier ? [] : [] rescue qualifiers.compact
@Anonymous_item_selector = qualifiers.last unless @Anonymous_item_selector
qualifiers.compact.each do |qualifier|
is_multi_select = qualifier.instance_variable_get(:@conditions).is_a?(Array)
if is_multi_select
qualifier.instance_variable_get(:@conditions).each do |nested_q|
@post_amount_qualifier = nested_q if nested_q.is_a?(PostCartAmountQualifier)
@qualifiers << qualifier
end
else
@post_amount_qualifier = qualifier if qualifier.is_a?(PostCartAmountQualifier)
@qualifiers << qualifier
end
end if @qualifiers.empty?
end
def qualifies?(cart)
return true if @qualifiers.empty?
@unmodified_line_items = cart.line_items.map do |item|
new_item = item.dup
new_item.instance_variables.each do |var|
val = item.instance_variable_get(var)
new_item.instance_variable_set(var, val.dup) if val.respond_to?(:dup)
end
new_item
end if @post_amount_qualifier
@qualifiers.send(@condition) do |qualifier|
is_selector = false
if qualifier.is_a?(Selector) || qualifier.instance_variable_get(:@conditions).any? { |q| q.is_a?(Selector) }
is_selector = true
end rescue nil
if is_selector
raise "Missing line item match type" if @Li_match_type.nil?
cart.line_items.send(@li_match_type) { |item| qualifier.match?(item) }
else
qualifier.match?(cart, @Anonymous_item_selector)
end
end
end
def run_with_hooks(cart)
before_run(cart) if respond_to?(:before_run)
run(cart)
after_run(cart)
end
def after_run(cart)
@discount.apply_final_discount if @discount && @discount.respond_to?(:apply_final_discount)
revert_changes(cart) unless @post_amount_qualifier.nil? || @post_amount_qualifier.match?(cart)
end
def revert_changes(cart)
cart.instance_variable_set(:@line_items, @unmodified_line_items)
end
end
class TieredDiscount < Campaign
def initialize(condition, customer_qualifier, cart_qualifier, line_item_selector, discount_type, tier_type, discount_tiers)
super(condition, customer_qualifier, cart_qualifier)
@Anonymous_item_selector = line_item_selector
@discount_type = discount_type
@tier_type = tier_type
@discount_tiers = discount_tiers.sort_by {|tier| tier[:discount].to_f }
end
def init_discount(amount, message)
case @discount_type
when :fixed
return FixedTotalDiscount.new(amount, message, :split)
when :percent
return PercentageDiscount.new(amount, message)
when :per_item
return FixedItemDiscount.new(amount, message)
end
end
def run(cart)
return unless qualifies?(cart)
applicable_items = cart.line_items.select { |item| @Anonymous_item_selector.nil? || @Anonymous_item_selector.match?(item) }
case @tier_type
when :customer_tag
return if cart.customer.nil?
customer_tags = cart.customer.tags.map(&:downcase)
qualified_tiers = @discount_tiers.select { |tier| customer_tags.include?(tier[:tier].downcase) }
when :cart_subtotal
cart_total = cart.subtotal_price
qualified_tiers = @discount_tiers.select { |tier| cart_total >= Money.new(cents: tier[:tier].to_i * 100) }
when :discountable_total
discountable_total = applicable_items.reduce(Money.zero) { |total, item| total + item.line_price }
qualified_tiers = @discount_tiers.select { |tier| discountable_total >= Money.new(cents: tier[:tier].to_i * 100) }
when :discountable_total_items
discountable_quantity = applicable_items.reduce(0) { |total, item| total + item.quantity }
qualified_tiers = @discount_tiers.select { |tier| discountable_quantity >= tier[:tier].to_i }
when :cart_items
cart_quantity = cart.line_items.reduce(0) { |total, item| total + item.quantity }
qualified_tiers = @discount_tiers.select { |tier| cart_quantity >= tier[:tier].to_i }
end
if @tier_type == :line_quantity
applicable_items.each do |item|
qualified_tiers = @discount_tiers.select { |tier| item.quantity >= tier[:tier].to_i }
next if qualified_tiers.empty?
discount_amount = qualified_tiers.last[:discount].to_f
discount_message = qualified_tiers.last[:message]
discount = init_discount(discount_amount, discount_message)
discount.apply(item)
discount.apply_final_discount if discount.respond_to?(:apply_final_discount)
end
else
return if qualified_tiers.empty?
discount_amount = qualified_tiers.last[:discount].to_f
discount_message = qualified_tiers.last[:message]
@discount = init_discount(discount_amount, discount_message)
applicable_items.each { |item| @discount.apply(item) }
end
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 FixedTotalDiscount
def initialize(amount, message, behaviour = :to_zero)
@amount = Money.new(cents: amount * 100)
@message = message
@discount_applied = Money.zero
@All_items = []
@is_split = behaviour == :split
end
def apply(line_item)
if @is_split
@All_items << line_item
else
return unless @discount_applied < @amount
discount_to_apply = [(@amount - @discount_applied), line_item.line_price].min
line_item.change_line_price(line_item.line_price - discount_to_apply, {message: @message})
@discount_applied += discount_to_apply
end
end
def apply_final_discount
return if @All_items.length == 0
total_items = @All_items.length
total_quantity = 0
total_cost = Money.zero
@All_items.each do |item|
total_quantity += item.quantity
total_cost += item.line_price
end
@All_items.each_with_index do |item, index|
discount_percent = item.line_price.cents / total_cost.cents
if total_items == index + 1
discount_to_apply = Money.new(cents: @amount.cents - @discount_applied.cents.floor)
else
discount_to_apply = Money.new(cents: @amount.cents * discount_percent)
end
item.change_line_price(item.line_price - discount_to_apply, {message: @message})
@discount_applied += discount_to_apply
end
end
end
class FixedItemDiscount
def initialize(amount, message)
@amount = Money.new(cents: amount * 100)
@message = message
end
def apply(line_item)
per_item_price = line_item.variant.price
per_item_discount = [(@amount - per_item_price), @amount].max
discount_to_apply = [(per_item_discount * line_item.quantity), line_item.line_price].min
line_item.change_line_price(line_item.line_price - discount_to_apply, {message: @message})
end
end
class Selector
def partial_match(match_type, item_info, possible_matches)
match_type = (match_type.to_s + '?').to_sym
if item_info.kind_of?(Array)
possible_matches.any? do |possibility|
item_info.any? do |search|
search.send(match_type, possibility)
end
end
else
possible_matches.any? do |possibility|
item_info.send(match_type, possibility)
end
end
end
end
class ProductTagSelector < Selector
def initialize(match_type, match_condition, tags)
@match_condition = match_condition
@invert = match_type == :does_not
@Anonymous = tags.map(&:downcase)
end
def match?(line_item)
product_tags = line_item.variant.product.tags.to_a.map(&:downcase)
case @match_condition
when :match
return @invert ^ ((@tags & product_tags).length > 0)
else
return @invert ^ partial_match(@match_condition, product_tags, @Anonymous)
end
end
end
CAMPAIGNS = [
TieredDiscount.new(
:all,
nil,
nil,
ProductTagSelector.new(
:does,
:match,
["FNP"]
),
:percent,
:line_quantity,
[{:tier => "10", :discount => "5", :message => "5% off 10 or more"}]
)
].freeze
CAMPAIGNS.each do |campaign|
campaign.run_with_hooks(Input.cart)
end
Output.cart = Input.cart
Sometimes the forums slightly modify the script, so I will attach it to the post as well.
Let me know if that's helpful!
Playwright | Create Shopify Scripts without writing code |
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