hide variants (not products) based on tag.rb

payment_gateways = ["Afterpay", "BitPay"] # Gateways to hide
tag = "lowstock" # Tag to look for
lowStockVariantIDS = [] # Will contain variant ID's of low stock items

# Loop over line items to check if any have low stock tag.
# If product doeshave tag, add it to our lowStockVariantIDs array.

Input.cart.line_items.each do |item|
  #Note: this won't be very efficient for products with lots of tags
  item.variant.product.tags.each do |tag|
    tagArray = tag.split(":") # ["variant_title(int", "lowstock"]
    if (tagArray[1] == "lowstock")
      unless lowStockVariantIDS.include?(tagArray[0])
        lowStockVariantIDS.push(tagArray[0])
      end
    end
  end
end

# Loop over variants to see if any match those we found earlier.
# Seperate loop as tags are stoed on the product level and we need
# to check against variants.
Input.cart.line_items.each do |item|
  if lowStockVariantIDS.include?(item.variant.id.to_s)
    #Remove gateways listed in payment_gateways
    Output.payment_gateways = Input.payment_gateways.delete_if do |payment_gateway|
      # puts payment_gateway.name
      payment_gateways.include?(payment_gateway.name)
    end
  end
end

Output.payment_gateways = Input.payment_gateways