Alles auf Englisch umbenannt: exhibition → event, Variablen und Tabellen angepasst, Views auf neue Felder umgestellt, Controller/Model/SQL konsistent gemacht. Alte Variablennamen raus, jetzt ist alles einheitlich. Fehler aus dem Frontend gefixt.

Model/TicketModel.php

@@ -3,70 +3,72 @@
 namespace Blog\Model;
 
 use PDOException;
+use PDO;
 
 class TicketModel extends Database {
 
     public function getTickets() {
         $pdo = $this->linkDB();
-        $sql = "SELECT * FROM Ticket ORDER BY ticketid ASC;";
-        try {
-            $sth = $pdo->prepare($sql);
-            $sth->execute();
-            return $sth->fetchAll(\PDO::FETCH_ASSOC);
-        } catch (PDOException $e) {
-            new \Blog\Library\ErrorMsg("Fehler beim Lesen der Tickets.", $e);
-            die;
-        }
+        $sql = "SELECT * FROM ticket ORDER BY ticket_id ASC;";
+        $stmt = $pdo->prepare($sql);
+        $stmt->execute();
+        return $stmt->fetchAll(PDO::FETCH_ASSOC);
     }
 
     public function buyTicket($data) {
         $pdo = $this->linkDB();
-        $sql = "INSERT INTO Ticket (userid, ausstellungid, kaufdatum, gueltigkeit)
-                VALUES (:userid, :ausstellungid, :kaufdatum, :gueltigkeit);";
+        $sql = "INSERT INTO ticket (user_id, event_id, purchase_date, valid_until)
+                VALUES (:user_id, :event_id, :purchase_date, :valid_until)";
+        $stmt = $pdo->prepare($sql);
         $params = [
-            ":userid" => $data['userid'],
-            ":ausstellungid" => $data['ausstellungid'],
-            ":kaufdatum" => $data['kaufdatum'],
-            ":gueltigkeit" => $data['gueltigkeit']
+            ':user_id' => $data['user_id'],
+            ':event_id' => $data['event_id'],
+            ':purchase_date' => $data['purchase_date'],
+            ':valid_until' => $data['valid_until']
         ];
-        try {
-            $sth = $pdo->prepare($sql);
-            $sth->execute($params);
-            return $pdo->lastInsertId();
-        } catch (PDOException $e) {
-            new \Blog\Library\ErrorMsg("Fehler beim Kauf des Tickets.", $e);
-            die;
-        }
+        $stmt->execute($params);
+        return $pdo->lastInsertId();
     }
 
-    public function hasTicket($userid, $ausstellungid) {
+    public function checkTicketExists($userid, $ausstellungid) {
         $pdo = $this->linkDB();
-        $sql = "SELECT COUNT(*) as count FROM Ticket WHERE userid = :userid AND ausstellungid = :ausstellungid;";
-        $params = [
-            ":userid" => $userid,
-            ":ausstellungid" => $ausstellungid
-        ];
-        try {
-            $sth = $pdo->prepare($sql);
-            $sth->execute($params);
-            return $sth->fetch(\PDO::FETCH_ASSOC);
-        } catch (PDOException $e) {
-            new \Blog\Library\ErrorMsg("Fehler bei der Ticketprüfung.", $e);
-            die;
-        }
+        $sql = "SELECT COUNT(*) as count FROM ticket WHERE user_id = :user_id AND event_id = :event_id;";
+        $stmt = $pdo->prepare($sql);
+        $params = [':user_id' => $userid, ':event_id' => $ausstellungid];
+        $stmt->execute($params);
+        $result = $stmt->fetch(PDO::FETCH_ASSOC);
+        return $result['count'] > 0;
     }
 
-    public function deleteTicket($ticketid) {
+    public function deleteTicket($id) {
         $pdo = $this->linkDB();
-        $sql = "DELETE FROM Ticket WHERE ticketid = :ticketid;";
-        $params = [":ticketid" => $ticketid];
-        try {
-            $sth = $pdo->prepare($sql);
-            $sth->execute($params);
-            return $sth->rowCount();
-        } catch (PDOException $e) {
-            new \Blog\Library\ErrorMsg("Fehler beim Löschen des Tickets.", $e);
-            die;
-        }
+        $sql = "DELETE FROM ticket WHERE ticket_id = :ticket_id;";
+        $stmt = $pdo->prepare($sql);
+        $params = [':ticket_id' => $id];
+        return $stmt->execute($params);
+    }
+
+    public function createTicket($data) {
+        $pdo = $this->linkDB();
+        $sql = "INSERT INTO ticket (event_id, user_id, price) VALUES (:event_id, :user_id, :price);";
+        $stmt = $pdo->prepare($sql);
+        $params = [
+            ':event_id' => $data['event_id'],
+            ':user_id' => $data['user_id'],
+            ':price' => $data['price']
+        ];
+        return $stmt->execute($params);
+    }
+
+    public function getTicketsByUser($userId) {
+        $pdo = $this->linkDB();
+        $sql = "SELECT t.*, e.name as event_name, e.start_date, e.end_date 
+                FROM ticket t 
+                JOIN event e ON t.event_id = e.event_id 
+                WHERE t.user_id = :user_id;";
+        $stmt = $pdo->prepare($sql);
+        $params = [':user_id' => $userId];
+        $stmt->execute($params);
+        return $stmt->fetchAll(PDO::FETCH_ASSOC);
     }
 }