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stars.php
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55 lines (37 loc) · 1.64 KB
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<!DOCTYPE html>
<head>
<title>Rate</title>
</head>
<body>
<?php
require_once("files/connproj.php");
if (isset($_POST['sendval'])){ //se è stata mandata una valutazione
$idf = $_POST["idfilm"];
$email = $_POST["email"];
$rate = $_POST["rate"];
$query = "INSERT INTO star VALUES ('$idf','$email','$rate')"; //query inserimento valutazione
if (mysqli_query($connection, $query)){ //se la query è stata eseguita correttamente
//calcolo la media :
$queryrate = mysqli_query($connection,"SELECT COUNT(rate) AS countr FROM star WHERE idfilm = '$idf'");
$fetchrate = mysqli_fetch_array($queryrate);
$querysum = mysqli_query($connection,"SELECT SUM(rate) AS total FROM star WHERE idfilm = '$idf'");
$fetchsum = mysqli_fetch_array($querysum);
if($fetchrate['countr'] > 0) {
$med = $fetchsum['total'] / $fetchrate['countr'];
}
$media = round($med, $precision=2);
//inserisco la media nella tabella del database:
$query = "UPDATE film SET media_rate='$media' WHERE idfilm = '$idf'";
$result = mysqli_query($connection,$query) or die(mysqli_error($connection));
echo "<h3>La tua valutazione è stata inserita correttamente!</h3>";
header("Refresh:1.5; url=filmspage.php");
} else{
echo "<h3>Errore: Hai già valutato questo film.</h3>";
header("Refresh:2; url=filmspage.php");
}
//chiudo la connessione
mysqli_close($connection);
}
?>
</body>
</html>