prepare("SELECT b.BuchID, b.Titel,
b.Erscheinungsjahr, b.Bild, b.Verlag,
GROUP_CONCAT(DISTINCT CONCAT(a.VorName, ' ', a.NachName)
SEPARATOR ', ') AS 'Autor',
GROUP_CONCAT(DISTINCT k.Name SEPARATOR ', ') AS 'Kategorie',
b.ISBN, b.Klappentext AS 'Inhalt', sp.Bezeichnung AS 'Sprache',
GROUP_CONCAT(DISTINCT st.Text SEPARATOR ', ') AS 'Stichwort',
IF(b.Anzahl!=0, 'Verfügbar', CONCAT('Verfügbar ab: ',
(SELECT DATE_FORMAT(DATE_ADD(ab.Enddatum, INTERVAL 1 DAY)
,'%d.%m.%Y') FROM `ausgeliehenes_buch` AS ab
WHERE ab.BuchID = b.BuchID
ORDER BY ab.Reserviert ASC, ab.Enddatum ASC LIMIT 1)))
AS 'Verfügbarkeit' FROM `buch` AS b
INNER JOIN `buch_verfasst_von_autor` AS bvva
ON b.BuchID = bvva.BuchID
INNER JOIN `autor` AS a ON bvva.AutorNr = a.AutorNr
INNER JOIN `buch_hat_kategorie` AS bhk ON bhk.BuchID = b.BuchID
INNER JOIN `kategorie` AS k ON k.KategorieID = bhk.KategorieID
INNER JOIN `sprache` AS sp ON sp.SprachenID = b.SprachenID
INNER JOIN `buch_hat_stichwort` AS bhs ON bhs.BuchID = b.BuchID
INNER JOIN `stichwort` AS st ON st.StichwortID = bhs.StichwortID
WHERE b.BuchID = ?
GROUP BY b.BuchID;");
// Parameter binden
$sql->bind_param("i", $ID);
// Übergebene ID des angeklickten Container speichern
$containerID = $_GET['bookID'];
// Buch ID abtrennen
$ID = str_replace('book_container', '', $containerID);
// SQL-Befehl ausführen
$sql->execute();
// Ergebnis speichern
$result = $sql->get_result();
if (mysqli_num_rows($result) > 0) {
while($row = mysqli_fetch_assoc($result)) {
$bookID = $row['BuchID'];
$bookCover = $row['Bild'];
$bookTitle = $row['Titel'];
$bookPublishingYear = $row['Erscheinungsjahr'];
$bookPublisher = $row['Verlag'];
$bookAuthor = $row['Autor'];
$bookCategory = $row['Kategorie'];
$bookAvailability = $row['Verfügbarkeit'];
$bookContent = $row['Inhalt'];
$bookISBN = $row['ISBN'];
$bookLanguage = $row['Sprache'];
$bookKeywords = $row['Stichwort'];
/* TODO: OnClick auslagern. */
echo
"
$bookTitle
Verfasser: $bookAuthor
Erscheinungsjahr:
$bookPublishingYear
Verlag:
$bookPublisher
Kategorie:
$bookCategory
Details
ISBN: $bookISBN
Sprache: $bookLanguage
Stichwörter:
$bookKeywords
";
}
} else {
echo "Keine Infos vorhanden.";
}
if (!$result) {
die("Ungültige SQL-Abfrage: " . mysqli_connect_error());
}
mysqli_close($connection);
?>
