Question 11469 in Shopify Question posted in
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Shopify Script Editor: bad decimal operation

I have a line in Shopify’s Ruby script editor that is generating the error:

bad decimal operation (0 x 4)

BOX_PERCENT = BOX_DISCOUNT / BOX_PRODUCTS

BOX_DISCOUNT = 21000

BOX_PRODUCTS = 32100

both BOX_DISCOUNT and BOX_PRODUCTS are derived from Shopify script editor objects eg:

BOX_PRODUCTS = line_item.line_price.cents

Despite the error, it generates the correct calculation:

BOX_PERCENT = 0.690625

But I’m wondering how to fix the error.
If I change the calculation to the following it works fine:

BOX_PERCENT = BOX_DISCOUNT / 32100

So there must be something wrong with the formatting of BOX_PRODUCTS

EDIT:
After inspecting BOX_PRODUCTS with BOX_PRODUCTS.inspect I can see the number is a decimal:

#Decimal:0x7fb946112140

I’ve tried to convert it into a fixnum with .to_f, .to_i, .delete(‘.’).to_i and %1 but that returns the error:

[Error] undefined method ‘to_f’ for #Decimal:0x7f260aa7c140

The original line_item.line_price object before I convert it to a decimal with .cents is:

#<Money: "320$"> Class: Money

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2

Answers


  1. Chosen as BEST ANSWER
    0

    I'm sure this is not the correct way to handle numbers but I ended up converting the original money object to a string, gsub #<Money: " and $ and then converting that to an integer:

    price = line_item.line_price.to_s.gsub('#<Money: "', '').gsub('$','00').to_i

  2. 0

    You would try to translate the instance of Money into a decimal first, like this:

    BOX_PERCENT = BOX_DISCOUNT / BOX_PRODUCTS.to_d
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