Updating the price on quantity change (product page)

[NemoPS]

Hey everyone!
If you want the price on the product page to update when changing quantity, here is a quick tut about it!

http://nemops.com/update-price-on-quantity-change-in-prestashop-1-6/#.WEf5A_nx6Uk

Fabio

[mnsh]

Hi Fabio,

 

I can't make it work, unfortunately...

here is a code

if (priceWithDiscountsDisplay > 0)
    {
    if(findSpecificPrice()){
      $('#our_price_display, #our_price_display2').text(findSpecificPrice()).trigger('change');
    }
    else{
      $('#our_price_display, #our_price_display2').text(formatCurrency(priceWithDiscountsDisplay, currencyFormat, currencySign, currencyBlank)).trigger('change');
      $('#our_price_display, #our_price_display2').text(formatCurrency(priceWithDiscountsDisplay * $('#quantity_wanted').val(), currencyFormat, currencySign, currencyBlank)).trigger('change');
    }
    }
    else
    {
        $('#our_price_display, #our_price_display2').text(formatCurrency(0, currencyFormat, currencySign, currencyBlank)).trigger('change');
    }

Please advise

[NemoPS]

Are you using a custom template?

[mnsh]

A bit modified - a price located in two places for customer's convenience

[NemoPS]

Any javascript error? DId you clear cache?

[mnsh]

cash cleared, no js errors

[sooroos]

P.S. 1.6.1.14

like mnsh said there is no effect after changing the product.js, Cache cleared, no js error 

[rahulteja]

Could you please help to clear this issue ? unable to update price after increasing quantity.

[Angrywolfstudio]

Hey. I will dig out the topic. Helps solve the same effect in PS.1.7?

Sorry for my English

[lucascatani]

Hi @NemoPS

This part dont works for me. I use prestashop 1.6.1.20 and default template. Can you help me?

 $('#our_price_display').text(formatCurrency(priceWithDiscountsDisplay * $('#quantity_wanted').val(), currencyFormat, currencySign, currencyBlank)).trigger('change');

 

product.js

Edited August 9, 2018 by lucascatani
Add product.js to the post (see edit history)

[NemoPS]

DO you get any js error on the page?

[lucascatani]

On 8/11/2018 at 9:42 AM, NemoPS said:

DO you get any js error on the page?

No errors....

[NemoPS]

It's hard to tell what's going on without seeing the actual template. I would suggest going through it line by line and printing out the value, so see where it runs and where it doesn't

[William K.]

Hello Nemo,

Thank you for this.

Unfortunatly, your changes don't work for a product with a simple product with no combination. How are we supposed to do this with the base product price ?

 

 

[NemoPS]

William, that should actually be easier, you can simply add a script tag in the template that reads the onchange event of the quantity box, and multiplies the price by the value it contains

[William K.]

Hey thanks for the feedback.

The real issue was for products with no combination AND a quantity discount (but no discount for the product when the quantity wanted is 1).

I made the changes for this case.

I also show the reduction percent or amount when the quantity triggers it, and the crossed old price.

I someone needs it, I can explain what I did, I don't think my code is optimised and it require the option "Display discounted price" for the discount board to be toggle but still if it can help, feel free to ask.