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Ajax call to joomla's controller.

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Hi guys.

I have a component installed on my joomla site.

As any component, this have it's own controller.php .

 

In this controller.php there is this function

function videohitCount_function($vid) {
    $db = JFactory::getDBO ();
    $query = $db->getQuery ( true );
    /** Execute query to update hitcount */
    $query->clear ()->update ( $db->quoteName ( '#__hdflv_upload' ) )->set ( $db->quoteName ( 'times_viewed' ) . ' = 1+times_viewed' )->where ( $db->quoteName ( 'id' ) . ' = ' . $db->quote ( $vid ) );
    $db->setQuery ( $query );
    $db->query ();
  }

Now I need, in a custom php page inside the same component, make an Ajax call to this function.

 

I tried with this, taken by an already existing answer on this forum

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
<script>
function videohitCount_function {
    // using jquery ajax method for calling the php script
    $.ajax({
        // set this to the url of your php script for calling the LSC function
        url: '../controller.php',

        // if the result of the ajax request is ok then this function is called
        success: function(response) {
            // the variable 'response' will contain the output from your php script
            // as an example we'll use a javascript alert to show the output of the response
            alert(response);
        }
    });
}
</script>

But doesn't work.

 

What should i do for perform this ajax call?

 

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the php function is looking for a parameter called ($vid),

you would need to catch and pass this info through the ajax call, and then tweak the php code in the controller to check for the post value in the event that the page is being loaded through an ajax call and then call the function using the post variable in the parameter.

 

ajax:

//make the content of your JS function something like this
$.ajax({
method: "post",
url:"...control.php",
data: {'sender': 'customAjaxMethod', 'vid': $(this).attr("data-id")}, //<<-- this is just an example, you should change $(this).attr("data-id") to whatever holds the vidID reference in the DOM element.
success: function(data){
...
}
})

 

PHP:

// add something akin to the following to the control.php file
if(!isset($_POST['sender']){}
elseif(!isset($_POST['vid'] || $_POST['sender'] != "customAjaxMethod"){}
else{
 videohitCount_function($_POST['vid']);
}

This obviously isn't meant as a copy and paste solution, only a guideline for you to work from.  Good luck.

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