Files
DBWT/M2/Beispiele/meal.php
2023-11-05 21:45:35 +01:00

207 lines
5.9 KiB
PHP

<?php
const GET_PARAM_MIN_STARS = 'search_min_stars';
const GET_PARAM_SEARCH_TEXT = 'search_text';
const GET_PARAM_SHOW_DESCRIPTION = 'show_description';
const GET_PARAM_SPRACHE = 'sprache';
const GET_PARAM_TOP_FLOPP = 'top_flopp';
/**
* List of all allergens.
*/
$allergens = [
11 => 'Gluten',
12 => 'Krebstiere',
13 => 'Eier',
14 => 'Fisch',
17 => 'Milch'
];
$meal = [
'name' => 'Süßkartoffeltaschen mit Frischkäse und Kräutern gefüllt',
'description' => 'Die Süßkartoffeln werden vorsichtig aufgeschnitten und der Frischkäse eingefüllt.',
'price_intern' => 2.90,
'price_extern' => 3.90,
'allergens' => [11, 13],
'amount' => 42 // Number of available meals
];
$ratings = [
[ 'text' => 'Die Kartoffel ist einfach klasse. Nur die Fischstäbchen schmecken nach Käse. ',
'author' => 'Ute U.',
'stars' => 2 ],
[ 'text' => 'Sehr gut. Immer wieder gerne',
'author' => 'Gustav G.',
'stars' => 4 ],
[ 'text' => 'Der Klassiker für den Wochenstart. Frisch wie immer',
'author' => 'Renate R.',
'stars' => 4 ],
[ 'text' => 'Kartoffel ist gut. Das Grüne ist mir suspekt.',
'author' => 'Marta M.',
'stars' => 3 ]
];
$dic = [
[ "Gericht" => "Gericht",
"Allergien" => "Allergien",
"Bewertungen" => "Bewertungen (Insgesamt: ",
"Text" => "Text",
"Sterne" => "Sterne",
"Author" => "Author",
"Preis" => "Preis",
"Gaeste" => "Gäste"
],
[ "Gericht" => "Meal",
"Allergien" => "Allergies",
"Bewertungen" => "Review (overall: ",
"Text" => "Text",
"Sterne" => "Stars",
"Author" => "Author",
"Preis" => "Price",
"Gaeste" => "Guests"
]
];
$translation = $dic[0];
$language = "de";
if (!empty($_GET[GET_PARAM_SPRACHE])){
$language = $_GET[GET_PARAM_SPRACHE];
}
if($language == "en"){$translation = $dic[1];}
if (empty($_GET[GET_PARAM_SHOW_DESCRIPTION])){
$meal['description'] = "";
}
$searchTerm = "";
$showRatings = [];
if (!empty($_GET[GET_PARAM_SEARCH_TEXT])) {
$searchTerm = $_GET[GET_PARAM_SEARCH_TEXT];
foreach ($ratings as $rating) {
if (strpos(strtolower($rating['text']), strtolower($searchTerm) )!== false) {
$showRatings[] = $rating;
}
}
} else if (!empty($_GET[GET_PARAM_MIN_STARS])) {
$minStars = $_GET[GET_PARAM_MIN_STARS];
foreach ($ratings as $rating) {
if ($rating['stars'] >= $minStars) {
$showRatings[] = $rating;
}
}
} else {
$showRatings = $ratings;
}
if (!empty($_GET[GET_PARAM_TOP_FLOPP])){
$flopp = $_GET[GET_PARAM_TOP_FLOPP];
if($flopp == "flopp"){
unset($showRatings);
$showRatings=[];
$stars=[];
foreach ($ratings as $rating) {
$stars[] = $rating["stars"];
}
$min = min($stars);
foreach ($ratings as $rating) {
if ($rating['stars'] == $min) {
$showRatings[] = $rating;
}
}
}
elseif ($flopp == "top"){
unset($showRatings);
$showRatings=[];
$stars=[];
foreach ($ratings as $rating) {
$stars[] = $rating["stars"];
}
$min = max($stars);
foreach ($ratings as $rating) {
if ($rating['stars'] == $min) {
$showRatings[] = $rating;
}
}
}
}
/**
*:float gibt den return value der Funktion an
*/
function calcMeanStars (array $ratings) : float {
$sum = 0;
foreach ($ratings as $rating) {
$sum += $rating['stars'] / count($ratings);
}
return $sum;
}
/**
*
*/
?>
<!DOCTYPE html>
<html lang="de">
<head>
<meta charset="UTF-8"/>
<title><?php echo $translation["Gericht"].": ". $meal['name']; ?></title>
<style>
* {
font-family: Arial, serif;
}
.rating {
color: darkgray;
}
</style>
</head>
<body>
<h1><?php echo $translation["Gericht"].": ". $meal['name']; ?></h1>
<p><?php echo $meal['description']; ?>
</p>
<h4><?php echo $translation["Preis"].":"?></h4>
<p>
<?php echo $translation["Preis"]." intern: ".$meal["price_intern"]."€";?> <br>
<?php echo $translation["Preis"]." ".$translation["Gaeste"].": ".$meal["price_extern"]."€";?>
</p>
<h4><?php echo $translation["Allergien"].":"?> </h4>
<ul>
<?php
foreach ($meal['allergens'] as $all) {
echo "<li>$allergens[$all]</li>";
}
?>
</ul>
<h1><?php echo $translation["Bewertungen"].calcMeanStars($ratings); ?>)</h1>
<!--Such form in den Bewertungen für den User -->
<form method="get">
<label for="search_text">Filter:</label>
<input id="search_text" type="text" name="search_text" value=<?php echo $searchTerm?>>
<input type="submit" value="Suchen">
</form>
<table class="rating">
<thead>
<tr>
<td><?php echo $translation["Text"]?></td>
<td><?php echo $translation["Sterne"]?></td>
<td><?php echo $translation["Author"]?></td>
</tr>
</thead>
<tbody>
<?php
foreach ($showRatings as $rating) {
echo "<tr><td class='rating_text'>{$rating['text']}</td>
<td class='rating_stars'>{$rating['stars']}</td>
<td class='rating_author'>{$rating['author']}</td>
</tr>";
}
?>
</tbody>
</table>
<br>
<br>
<a href="?sprache=de">Deutsch</a> oder <a href="?sprache=en">English</a>
</body>
</html>