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Conditional Delete From Cart

14 years 3 weeks ago #70835 by jonblk
Conditional Delete From Cart was created by jonblk
Good Day,

Is there a way to set up HikaShop so that if I add a new product to the cart it deletes any products which were in the cart previously and just adds the new product being added?

Thank You

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14 years 3 weeks ago #70872 by Xavier
Replied by Xavier on topic Re: Conditional Delete From Cart
Hi,

There is actually no way to do this. But if you edit the "product / show_default" view and add an action in a onClick on the add to cart button, and this action is to reset the cart_id in session, then I think that the product will be added in a new cart, so no other products inside.

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14 years 3 weeks ago #70873 by jonblk
Replied by jonblk on topic Re: Conditional Delete From Cart
Hi again,

I am actually quite new to HikaShop and I have rather limited knowledge of php and joomla!.

I am willing to try your suggested method if you can tell me how to do it step by step.

thank you in advance.

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14 years 3 weeks ago #70934 by Xavier
Replied by Xavier on topic Re: Conditional Delete From Cart
If you want to always clear the cart when you add a new product, then I think that it can be done in the file: "yourSite\component\com_hikashop\controllers\product.php".

And in the function "updatecart()" add the line:
Code:
$app->getUserState(HIKASHOP_COMPONENT.'.'.$cart_type_id,0);

under the line:
Code:
$cart_type_id = $cart_type.'_id';

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14 years 3 weeks ago #70993 by jonblk
Replied by jonblk on topic Re: Conditional Delete From Cart
hi again,

I tried your suggestion but unfortunately it does not work.

Do you have any other suggestions?

Thank You again

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14 years 3 weeks ago #71378 by Xavier
Replied by Xavier on topic Re: Conditional Delete From Cart
Hi,

Sorry, it's not "getUsetState" but "setUserState"

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14 years 3 weeks ago #71691 by jonblk
Replied by jonblk on topic Re: Conditional Delete From Cart
hi again,

Thank you for replying again, however your suggestion did not work.
I do not understand the code fully but I think you are close to a solution.
I know the logic should read as follows:
when 'add to cart' is selected, if there are any items in the cart clean the cart, and add the new item.

Do you have any other suggestions.

Thank You again

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14 years 3 weeks ago #71787 by Xavier
Replied by Xavier on topic Re: Conditional Delete From Cart
Hi,

I tried the solution on my end, and it's working fine.
Can you check in the file "administrator/components/com_hikashop/classes/cart.php" in the function "loadCart()" if the following line is commented.
Code:
if($app->getUserState(HIKASHOP_COMPONENT.'.'.$this->cart_type.'_new', '0') == '0'){

If it's commented, uncomment it (don't forget to uncomment the "}" closing the if condition).

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14 years 2 weeks ago #71819 by jonblk
Replied by jonblk on topic Re: Conditional Delete From Cart
Hi again

I went to "mysite/administrator/components/com_hikashop/classes/cart.php" and I do not see the line:-

if($app->getUserState(HIKASHOP_COMPONENT.'.'.$this->cart_type.'_new', '0') == '0'){

The closest thing I see to this line is:-

if($app->getUserState(HIKASHOP_COMPONENT.'.'.$cart_type.'_id','0') == $cart_id){

I then looked for the "loadCart()" function and it does NOT exist in my 'cart.php' file.

Do you think it would help if you upload your product.php and cart.php files so I can try them?

Also, I realise there are other cart.php files in the 'com_hikashop\controllers', '\com_hikashop\views\product\tmpl' and 'com_hikashop\views\checkout\tmpl' directories. Do these also need to be modified?

Thank You again.

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14 years 2 weeks ago #71830 by Xavier
Replied by Xavier on topic Re: Conditional Delete From Cart
Can you try to replace your function "loadCart()" by:
Code:
function loadCart($cart_id=0,$reset=false){ static $carts = array(); if($reset){ $carts = array(); $this->cart_id = 0; $this->cart = null; return true; } $this->filters = array(); $app = JFactory::getApplication(); if(empty($cart_id) || $cart_id == 0){ $this->cart_id = $app->getUserState( HIKASHOP_COMPONENT.'.'.$this->cart_type.'_id', 0, 'int' ); } else { $this->cart_id=$cart_id; } if(!isset($this->cart) || is_null($this->cart)) $this->cart = new stdClass(); $this->cart->cart_id = $this->cart_id; if(!empty($this->cart_id)){ $this->filters[]='a.cart_id = '.(int)$this->cart_id; }else{ $user = JFactory::getUser(); if(!empty($user->id)){ $this->filters[]='a.user_id = '.(int)$user->id; } $session = JFactory::getSession(); if($session->getId()){ $this->filters[]='a.session_id = '.$this->database->Quote($session->getId()); } } $filter = "(".implode(' OR ',$this->filters).")"; if($this->cart_type){ $typeFilter='a.cart_type = '.$this->database->Quote($this->cart_type); $filter .= " AND ".$typeFilter; } if(!empty($carts[$filter])){ $this->cart =& $carts[$filter]; }else{ // if new cart/wishlist, don't search for an existing entry if($app->getUserState(HIKASHOP_COMPONENT.'.'.$this->cart_type.'_new', '0') == '0'){ //search for an existing cart if no cart entries were found if(!empty($filter)){ $query='SELECT a.* FROM '.hikashop_table('cart').' AS a WHERE '.$filter.' ORDER BY a.cart_modified DESC LIMIT 1'; $this->database->setQuery($query); $this->cart = $this->database->loadObject(); }else{ $this->cart = null; } $carts[$filter] =& $this->cart; } } }

If it still doesn't work, thanks to wait for the next release of HikaShop which will be there before the end of the month.

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