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outputting cookie array of IDs

Thread began 3/06/2016 3:36 pm by Christopher West | Last modified 3/23/2016 2:56 pm by Ray Borduin | 872 views | 18 replies |

Christopher WestCommunity Expert

outputting cookie array of IDs

Hi, a while back I asked about using cookies to display "last viewed products slider"
I almost got it working, however its only displaying 1 cookie. so the problem looks like on the page that sets the cookie (its is overwriting the previously saved cookie) how can I store it all in an array which I can then output on my other pages (also not storing any duplicate IDs)

I think on the product detail page I need to save the product ID into a string array (check so its not a duplicate) and then after save the string array into a cookie. then on the in the recordset that accesses the cookie I need to access the array and output it as a products.

php:
On the page that displays all last viewed products: 


<?php
$rsViewedProducts 
= new WA_MySQLi_RS("rsViewedProducts",$ecartdb,1);
$rsViewedProducts->setQuery("SELECT * FROM products WHERE ProductID = ?");
$rsViewedProducts->bindParam("i""".(isset($_COOKIE['ViewedProducts'])?$_COOKIE['ViewedProducts']:"")  ."""-1"); //colname
$rsViewedProducts->execute();
?>


 <?php
while(!$rsViewedProducts->atEnd()) {
?>
        <a href="product.php?Product=<?php echo($rsViewedProducts->getColumnVal("ProductName")); ?>" class="b-link-fade b-animate-go">
        <div class="item4"><img  src="libra/images/<?php echo($rsViewedProducts->getColumnVal("ProductSKU")); ?>.jpg" alt=""  class="responsive-image"></div>
        <div class="b-wrapper">
          <h2 class="b-from-left b-animate b-delay03"><?php echo($rsViewedProducts->getColumnVal("ProductName")); ?></h2>
          <p class="b-from-right b-animate b-delay03">£<?php echo($rsViewedProducts->getColumnVal("ProductPrice")); ?></p>
        </div>
        </a>
        <?php
$rsViewedProducts
->moveNext();
}
$rsViewedProducts->moveFirst(); //return RS to first record
?>



php:
on the page that saves a cookie



<?php
$rsProduct 
= new WA_MySQLi_RS("rsProduct",$ecartdb,1);
$rsProduct->setQuery("SELECT * FROM products WHERE ProductName = ?");
$rsProduct->bindParam("s""".(isset($_GET['Product'])?$_GET['Product']:"")  ."""-1"); //colname
$rsProduct->execute();?>
<?php
if ("" == "") {
    
setcookie("ViewedProducts""".($rsProduct->getColumnVal("ProductID"))  .""time()+(60*60*24*30), "/""localhost"0);
}
?>
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Ray BorduinWebAssist

You would want to save the productID values in the cookie comma-separated that way you could store more than one. Then you could use an IN instead of = to and an "il" (integer list) as the parameter type in your recordset to return all of the previously viewed products instead of just the last one.

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Christopher WestCommunity Expert

ah just saw your reply after I was updating this post: this is what I added :
I think on the product detail page I need to save the product ID into a string array (check so its not a duplicate) and then after save the string array into a cookie. then on the in the recordset that accesses the cookie I need to access the array and output it as a products.

With your approach I didnt see an option for cookie comma-seperated way? See screenshot

is this part of the webassist server behaviours or is it custom code? How would I go about coding that?

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Ray BorduinWebAssist

It isn't an option in our server behavior. It would require hand coding.

You would check to see if the cookie had a value in an IF statement and add a comma before the value if it had a value, if not then you just set the value as it is done now. It is another issue that requires hand coding and I could help with in a premier ticket if you had difficulty pulling it off on your own. Something like:

<?php
if ("" == "") {

$newCookieVal = isset($_COOKIE['ViewedProducts'])?$_COOKIE['ViewedProducts']:"";
if ($newCookieVal) {
$newCookieVal .= ", ";
}
$newCookieVal .= $rsProduct->getColumnVal("ProductID");
setcookie("ViewedProducts", "".$newCookieVal ."", time()+(60*60*24*30), "/", "localhost", 0);
}
?>

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Christopher WestCommunity Expert

ok I will add this and try and see how it works with my code. Thanks

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Christopher WestCommunity Expert

Hi Ray, in Firebug I can see that the product IDs are being added. however after more than 1 product IDs get added to the cookie then I get a PHP error in syntax message (whats the php debug code to see what the error relates to?)

on the page with the error my recordset is:

Which I thought would work since I selected the comma-separated list checkbox in the recordset advance tab (see screenshot)

Chris

php:
<?php

$rsViewedProducts 
= new WA_MySQLi_RS("rsViewedProducts",$ecartdb,1);
$rsViewedProducts->setQuery("SELECT * FROM products WHERE ProductID = ?");
$rsViewedProducts->bindParam("il""".(isset($_COOKIE['ViewedProducts'])?$_COOKIE['ViewedProducts']:"")  ."""-1"); //colname
$rsViewedProducts->execute();
?>




I did change to this:

However I managed the Error in SQL syntax alert comes up if I clear the cookies. Also it doesnt display the product images just the one.

php:
<?php

$rsViewedProducts 
= new WA_MySQLi_RS("rsViewedProducts",$ecartdb,1);
$rsViewedProducts->setQuery("SELECT * FROM products WHERE ProductID IN ?");
$rsViewedProducts->bindParam("il""".(isset($_COOKIE['ViewedProducts'])?$_COOKIE['ViewedProducts']:"")  ."""-1"); //colname
$rsViewedProducts->execute();
?>



In the while loop I am using this code:

php:
<?php

while(!$rsViewedProducts->atEnd()) {
?>

html.......................

 <?php
$rsViewedProducts
->moveNext();
}
$rsViewedProducts->moveFirst(); //return RS to first record
?>



I think if I can just this this solved here that be brilliant as I think its almost fixed.

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Ray BorduinWebAssist

That second one looks correct. IN with integer list should do the trick. I'd have to debug at this point to determine the issue.

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Christopher WestCommunity Expert

See PM

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Ray BorduinWebAssist

I've fixed your page and prevented repeated entries to the cookie.

The issue was in the first line of the recordset:
$rsViewedProducts = new WA_MySQLi_RS("rsViewedProducts",$ecartdb,1);

The "1" at the end is the maximum number of rows to return... updating it to 0 allows it to return all rows.

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Christopher WestCommunity Expert

Hey Ray, when I tested it on the live server (the one you have access to) it worked. However in FireFox FireBug, if I cleared the cookie and try to access the category.php page I get the same error Error in SQL syntax.
Please could you check but clearing the cookies and see why it has that error?

Chris

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