Kapitel 6 Lektion 7 gesplittet

2026-02-06 07:05:14 +01:00 · 2016-08-25 20:50:07 +02:00
parent 88cf71d772
commit a4afe1a11c
16 changed files with 843 additions and 45 deletions
--- a/Kapitel_6/Lektion_8/mediathek_loesung/cd.php
+++ b/Kapitel_6/Lektion_8/mediathek_loesung/cd.php
@@ -0,0 +1,77 @@
+<?php
+
+require __DIR__ . '/_application.php';
+
+$db = holeDatenbankverbindung();
+
+if (count($_POST) > 0) {
+    $insertStatement = $db->prepare("INSERT INTO lieder (cd_id, track, titel) VALUES (:cd_id, :track, :titel)");
+    $insertStatement->execute([
+        'cd_id' => $_GET['id'],
+        'track' => $_POST['track'],
+        'titel' => $_POST['titel']
+    ]);
+
+    header('Location: cd.php?id=' . htmlspecialchars($_GET['id']));
+    exit;
+}
+
+$cdStatement = $db->prepare("
+    SELECT
+        cds.id,
+        cds.name AS cdname,
+        cds.erscheinungsjahr,
+        kuenstler.name AS kuenstlername
+    FROM cds
+    LEFT JOIN kuenstler ON cds.kuenstler_id = kuenstler.id
+    WHERE cds.id = :cd_id
+");
+$cdStatement->execute(['cd_id' => $_GET['id']]);
+$cd = $cdStatement->fetch(PDO::FETCH_ASSOC);
+
+$liederStatement = $db->prepare("SELECT * FROM lieder where cd_id = :cd_id ORDER BY track ASC");
+$liederStatement->execute(['cd_id' => $_GET['id']]);
+$lieder = $liederStatement->fetchAll(PDO::FETCH_ASSOC);
+
+?>
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Mediathek</title>
+</head>
+<body>
+
+<h1>
+    <?= htmlspecialchars($cd['cdname']) ?>
+    (<?= htmlspecialchars($cd['kuenstlername']) ?>, <?= htmlspecialchars($cd['erscheinungsjahr']) ?>)
+</h1>
+
+<form action="cd.php?id=<?= htmlspecialchars($_GET['id']) ?>" method="post">
+    <table>
+        <tr>
+            <th>Track</th>
+            <th>Titel</th>
+            <th></th>
+            <th></th>
+        </tr>
+        <?php foreach ($lieder as $lied): ?>
+            <tr>
+                <td><?= htmlspecialchars($lied['track']) ?></td>
+                <td><?= htmlspecialchars($lied['titel']) ?></td>
+                <td><a href="lied_bearbeiten.php?id=<?= htmlspecialchars($lied['id']) ?>">Bearbeiten ...</a></td>
+                <td><a href="lied_loeschen.php?id=<?= htmlspecialchars($lied['id']) ?>">Löschen ...</a></td>
+            </tr>
+        <?php endforeach; ?>
+        <tr>
+            <td><input type="text" name="track" placeholder="Track"/></td>
+            <td><input type="text" name="titel" placeholder="Titel"/></td>
+        </tr>
+    </table>
+    <input type="submit" value="Hinzufügen"/>
+</form>
+
+<p><a href="index.php">zur Übersicht</a></p>
+
+</body>
+</html>