+ $startYear";
+ }
+ /* Nur Endjahr */
+ else if (!$startYear && $endYear) {
+ $yearQuery = "WHERE b.Erscheinungsjahr < $endYear";
+ }
+ /* Start- und Endjahr */
+ else if ($startYear && $endYear) {
+ $yearQuery =
+ "WHERE b.Erscheinungsjahr BETWEEN $startYear AND $endYear";
+ }
+
+ $language = $_GET['language'];
+ if ($language == 'Alle Sprachen') {
+ $language = '%%';
+ }
+
+ $available = isset($_GET['status']);
+ if ($available) {
+ $available = 'Verfügbar';
+ }
+ else {
+ $available = '%%';
+ }
+
+ /* SQL-Befehl zusammenstellen */
+ $sql = "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: ', 'Test!'))
+ 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
+ $yearQuery
+ GROUP BY b.BuchID
+ HAVING $dropdown1 LIKE '%$search1%'
+ $andOr1 $dropdown2 LIKE '%$search2%'
+ $andOr2 $dropdown3 LIKE '%$search3%'
+ AND Sprache LIKE '$language'
+ AND Verfügbarkeit LIKE '$available';";
+
+ $servername = "localhost";
+ $username = "web_b-3";
+ $password = "een7Ao6s";
+ $dbname = "bibliothek_candle";
+
+ $connection =
+ mysqli_connect($servername, $username, $password, $dbname);
+
+ if (!$connection) {
+ die("Verbindung fehlgeschlagen: " . mysqli_connect_error());
+ }
+
+ $result = mysqli_query($connection, $sql);
+ $counter = 0;
+ if (mysqli_num_rows($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 = $row['Verfügbarkeit'];
+
+ if ($counter != 0) {
+ echo "
";
+ }
+ /* TODO: OnClick auslagern. */
+ echo "
+
+
+
+
+
$bookTitle
+
+
Verfasser: $bookAuthor
+
+ Erscheinungsjahr: $bookPublishingYear
+
+ Verlag: $bookPublisher
+
+ Kategorie: $bookCategory
+
+
+
+ $bookAvailability
+
+
+
+
+
+
";
+ $counter++;
+ }
+ } else {
+ echo "Keine Ergebnisse.";
+ }
+
+ if (!$result) {
+ die("Ungültige SQL-Abfrage: " . mysqli_connect_error());
+ }
+
+ mysqli_close($connection);
+
+ ?>
+
+ 