I want to modify existing shopping cart in yii2, so it wouldn't reload the page, means make it work by ajax. Current cart looks like:
<form method="post" id="form-prodtobuy-<?= $p->id ?>" action="<?= \Yii::$app->urlManager->createUrl(["site/cart"]) ?>">
<input type="hidden" name="<?= Yii::$app->request->csrfParam; ?>" value="<?= Yii::$app->request->csrfToken; ?>" />
<input type="hidden" name="task" value="update" />
<input id="<?= $p->id ?>" class="form-control buy-input" name="product[<?= $p->id ?>]" value="<?= Purchase::getCartValue($p->id) ?>" data-id="<?= $p->id ?>" placeholder="0">
<button class="btn btn-primary" type="submit">Buy <i class="glyphicon glyphicon-shopping-cart"></i></button>
</form>
It works properly, but reloads the page.
var_dump($_SESSION); after that looks like:
array(2) { ["__flash"]=> array(0) { } ["products"]=> array(3) { [2958]=> string(1) "2" [2959]=> string(1) "1" [2581]=> string(1) "1" } }
My obvious solution is to add e.preventDefault() on submit event as follows:
$(document).on('submit', '[id^=form-prodtobuy-]', function(e) {
e.preventDefault();
var someVar = $('#someInput').val();
$.ajax({
type: "post",
url: "<?php echo \Yii::$app->urlManager->createUrl(["site/cart"]) ?>",
data: {???:someVar},
.....................
});
});
What should be in ajax 'data'?
Where or how is it possible to get names of variables to set session properly?