Fix Redis port collision

backend/app/Http/Controllers/Api/TeacherContentController.php

@@ -0,0 +1,33 @@
+<?php
+namespace App\Http\Controllers\Api;
+
+use App\Http\Controllers\Controller;
+use App\Models\Lesson;
+use Illuminate\Http\Request;
+use Illuminate\Validation\ValidationException;
+
+class TeacherContentController extends Controller
+{
+    public function storeLesson(Request $request)
+    {
+        if ($request->user()->role !== 'teacher') {
+            throw ValidationException::withMessages(['role' => 'غير مصرح لك بإضافة محتوى.']);
+        }
+
+        $request->validate([
+            'course_id' => 'required|exists:courses,id',
+            'title' => 'required|string|max:255',
+            'content' => 'required|string',
+            'order' => 'integer',
+        ]);
+
+        $lesson = new Lesson();
+        $lesson->course_id = $request->course_id;
+        $lesson->title = $request->title;
+        $lesson->content = $request->content;
+        $lesson->order = $request->order ?? 1;
+        $lesson->save();
+
+        return response()->json(['lesson' => $lesson], 201);
+    }
+}