init Abgabe

2025-12-04 23:37:05 +01:00
parent dda70db0be
commit 4db823c14a
534 changed files with 72693 additions and 0 deletions
@@ -0,0 +1,50 @@
+<?php
+
+class ChatModel {
+
+    public $senderID;
+    public $empfaengerID;
+    public $nachricht;
+
+    // Nachricht in DB speichern
+    public function insert() {
+        $db = Database::getInstance()->getConnection();
+
+        $stmt = $db->prepare("
+            INSERT INTO chat (user_sender, user_empfaenger, nachricht) 
+            VALUES (?, ?, ?)
+        ");
+        if (!$stmt) {
+            throw new Exception("Fehler beim Vorbereiten der DB-Anfrage: " . $db->error);
+        }
+
+        $stmt->bind_param("iis", $this->senderID, $this->empfaengerID, $this->nachricht);
+        if (!$stmt->execute()) {
+            throw new Exception("Fehler beim Einfügen in die DB: " . $stmt->error);
+        }
+
+        return true;
+    }
+
+    // Nachrichten zwischen zwei Usern abrufen
+    public function getMessagesBetweenUsers($user1, $user2) {
+        $db = Database::getInstance()->getConnection();
+
+        $stmt = $db->prepare("
+            SELECT * FROM chat 
+            WHERE (user_sender = ? AND user_empfaenger = ?) 
+               OR (user_sender = ? AND user_empfaenger = ?)
+            ORDER BY id ASC
+        ");
+
+        if (!$stmt) {
+            throw new Exception("Fehler beim Vorbereiten der DB-Abfrage: " . $db->error);
+        }
+
+        $stmt->bind_param("iiii", $user1, $user2, $user2, $user1);
+        $stmt->execute();
+        $result = $stmt->get_result();
+
+        return $result->fetch_all(MYSQLI_ASSOC);
+    }
+}