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Make 'Add to Cart' button redirect to an external url on specific products

Started by dspblack, November 19, 2016, 14:14:41 PM

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dspblack

Platform
Joomla Version - 3.4.8
Virtuemart - 3.0.12
PHP - 5.6


As the title suggests I want to make the 'Add to cart' button redirect to an external link on certain products. In other words, when a shopper clicks on the 'Add to cart' button he gets redirected to the external url. I am new to Virtuemart, can someone please help me achieve this?


jenkinhill

Quote from: dspblack on November 19, 2016, 14:14:41 PM
Platform
Joomla Version - 3.4.8
Virtuemart - 3.0.12
PHP - 5.6


First see
http://www.theregister.co.uk/2016/11/02/hurried_crims_target_30000_sites_to_pop_unpatched_joomla/
https://developer.joomla.org/security-centre/661-20161003-core-account-modifications.html
http://thehackernews.com/2016/10/joomla-security-update.html

Check if you have new Joomla users with administrator permissions - if so hackers have paid you a visit!

And current VirtueMart release is VM3.0.18.4  - http://dev.virtuemart.net/projects/virtuemart/files  - but check update on a backup copy of your site if you are using template overrides, as some updates may be required to those.

To make add-to-cart link to an external site you can simply use overrides to remove the normal add to cart form for those products,  and instead include the cart link in the product description -  although there are other more complicated ways to do it.
Kelvyn
Lowestoft, Suffolk, UK

Retired from forum life November 2023

Please mention your VirtueMart, Joomla and PHP versions when asking a question in this forum

dspblack

Thanks jenkinhill for the forwarning regarding the updates. I shall update the same asap.

As for overrides, I see a 'No override' option in the Products detail page field under the Product Information tab. Does it have anything to do with what you just mentioned? I'd really appreciate it if you could provide me a step by step instruction on how to do it.

GJC Web Design

GJC Web Design
VirtueMart and Joomla Developers - php developers https://www.gjcwebdesign.com
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https://extensions.joomla.org/profile/profile/details/67210
Contact for any VirtueMart or Joomla development & customisation

dspblack

Thanks for the replies. I am just a beginner and which is why I am on a CMS. Besides some knowledge about html and css, I have no clues on php. From what I understand, PHP relies heavily on variables and I've seen a couple of similar posts from 2010-12 in the forum regarding my question but the variables seem to differ with the latest version. So far I've checked the sublayouts folder and I am guessing that I need to alter or insert some codes either in addtocart.php or addtocartbar.php. Do the following lines have anything to do with what I wanted to achieve?

$addtoCartButton = '';
if(!VmConfig::get('use_as_catalog', 0)){
   if($product->addToCartButton){
      $addtoCartButton = $product->addToCartButton;
   } else {
      $addtoCartButton = shopFunctionsF::getAddToCartButton ($product->orderable);
   }

}

Any help will be much appreciated.


GJC Web Design

QuoteI am just a beginner and which is why I am on a CMS

Professionals use CMS as well.. why spend hours and hours reinventing a code framework for every site?

the code snippet below is certainly not current VM code

is this from your template ( category view) ?
If so the template isn't using VM3 standards.. VM3 usings sublayouts for things like this

e.g. in cat view each product is displayed with the sublayout  products.php

in that file the add to cart is shown with the sublayout

echo shopFunctionsF::renderVmSubLayout('addtocart',array('product'=>$product,'rowHeights'=>$rowsHeight[$row], 'position' => array('ontop', 'addtocart'))); ?>

it shows the ->  addtocartbar.php

which shows the ->  addtocartbtn.php

basically you need to clone the  addtocart.php -- rename it e.g.  addtocartlink.php

then do the same for the bar and link it calls and change the button to link to wherever u are storing the link to the external product (short desc?)

call your new addtocart

echo shopFunctionsF::renderVmSubLayout('addtocartlink',array('product'=>$product,'rowHeights'=>$rowsHeight[$row], 'position' => array('ontop', 'addtocart'))); ?>

GJC Web Design
VirtueMart and Joomla Developers - php developers https://www.gjcwebdesign.com
VM4 AusPost Shipping Plugin - e-go Shipping Plugin - VM4 Postcode Shipping Plugin - Radius Shipping Plugin - VM4 NZ Post Shipping Plugin - AusPost Estimator
Samport Payment Plugin - EcomMerchant Payment Plugin - ccBill payment Plugin
VM2 Product Lock Extension - VM2 Preconfig Adresses Extension - TaxCloud USA Taxes Plugin - Virtuemart  Product Review Component
https://extensions.joomla.org/profile/profile/details/67210
Contact for any VirtueMart or Joomla development & customisation

dspblack

Thanks GJC Web Design, your help is much appreciated.

The snippet which I provided was from a quickstart VM template, however it was taken from /components/com_virtuemart/sublayouts/addtocart.php and not from the template html. I also found the your snippet from products.php exactly the way it is.

Well I thought I understood the call functions you've just mentioned. What I do not understand is which codes to alter in the cloned files.

Here's exactly what I wanted to do, there is a URL field in the Product Information tab. If it is populated with a link, the 'Add to cart' button should redirect to that link instead of adding the product to cart. Using Firebug, I've noticed that the URL field has the variable/name 'product_url' but I couldn't find it in the corresponding files. I didn't want to bother the folks out here but I just wanted to take my chance and learn a thing or two in the process.


GJC Web Design

you can also use the product_url field

afaik it doesn't do anything at the moment.. it needs to be coded in as suggested above
GJC Web Design
VirtueMart and Joomla Developers - php developers https://www.gjcwebdesign.com
VM4 AusPost Shipping Plugin - e-go Shipping Plugin - VM4 Postcode Shipping Plugin - Radius Shipping Plugin - VM4 NZ Post Shipping Plugin - AusPost Estimator
Samport Payment Plugin - EcomMerchant Payment Plugin - ccBill payment Plugin
VM2 Product Lock Extension - VM2 Preconfig Adresses Extension - TaxCloud USA Taxes Plugin - Virtuemart  Product Review Component
https://extensions.joomla.org/profile/profile/details/67210
Contact for any VirtueMart or Joomla development & customisation