Shipping Script to hide shipping options based on product tags

Hello Matt,

I am using the below script to hide all shipping methods if the product tag in the cart but I only want to block delivery for the selected postcode

When I use this scrip it blocks all the postcode

Would you able to help

GENERATED BY THE SHOPIFY SCRIPT CREATOR APP

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 ConditionallyHideRates < Campaign
def initialize(condition, customer_qualifier, cart_qualifier, li_match_type, line_item_qualifier, rate_selector)
super(condition, customer_qualifier, cart_qualifier, line_item_qualifier)
@Li _match_type = (li_match_type.to_s + ‘?’).to_sym
@rate_selector = rate_selector
end

def run(rates, cart)
rates.delete_if { |rate| @rate_selector.match?(rate) } if qualifies?(cart)
end
end

class Qualifier
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

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
when :less_than
return compare < compare_to
when :less_than_or_equal
return compare <= compare_to
when :equal_to
return compare == compare_to
else
raise “Invalid comparison type”
end
end
end

class ZipCodeQualifier < Qualifier
def initialize(match_type, match_condition, zips)
@match _condition = match_condition
@invert = match_type == :does_not
@zips = zips.map(&:downcase).map {|z| z.gsub(’ ', ‘’)}
end

def match?(cart, selector = nil)
return false if cart.shipping_address&.zip.nil?
zip_code = cart.shipping_address.zip.downcase.gsub(’ ', ‘’)
case @match _condition
when :match
return @invert ^ @zips.include?(zip_code)
else
return @invert ^ partial_match(@match_condition, zip_code, @zips)
end
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

class AllRatesSelector
def match?(rate)
return true
end
end

CAMPAIGNS = [
ConditionallyHideRates.new(
:any,
nil,
ZipCodeQualifier.new(
:does,
:start_with,
[“AB31”, “AB32”]
),
:any,
ProductTagSelector.new(
:does,
:include,
[“block”]
),
AllRatesSelector.new()
)
].freeze

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

Output.shipping_rates = Input.shipping_rates