Symfony|Twig: update data after ajax call

Question

Index.html.twig

{% if amount.low != 0 %}
    <p class="amount">{{ amount.low|round(0, 'floor') }}</p>
{% endif %}

Javascript:

$(document).ready(function () {
    $("#Filter1").change(function() {
        var input = $(this).val();

        if(inputCPU.length >= 1) {
            var data = {input: input};
            $.ajax({
                type: "POST",
                url: ROOT_URL + "default/update/data",
                dataType: 'json',
                timeout: 3000,
                success: function(response){
                    $(".amount").html(response.result); ???
                        console.log(response.result);

                },
                error: function() {
                    alert('Error with showing the filter.') //debug reasons
                }
            })
        }
    });
})

Controller:

public function updateDataAction(Request $request)
{


    $amount = //db call

    return ??
}

I'm a bit stuck on this code. I've a page where I show some data (amount), above there is a filter where users can manipulate the amount. How can I change the amount.low with the new filtered data when a filter is used? I'm stuck on what I should return in my controller and what the success whould be in my javascript.

Frank B · Accepted Answer · 2017-05-09 20:52:54Z

1

http://symfony.com/doc/current/components/http_foundation.html#creating-a-json-response

use Symfony\Component\HttpFoundation\JsonResponse;

// ...

public function updateDataAction(Request $request)
{


    $amount = //db call

    return new JsonResponse(array('amount' => $amount));

}

answered May 9, 2017 at 20:52

Frank B

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2 Comments

rafbanaan Over a year ago

For some reason I'm not geting any results back? It's like I'm not going into the updateDataAction methode. You have any idea what the problem might be?

Frank B Over a year ago

You could try to request that route/action straight from the browser.

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