- 🏗️ Introduced CoursePolicy and CourseEventPolicy for authorization.

- ✨ Added `StoreCourseRequest` and `UpdateCourseRequest` for structured validation.
- ✨ Introduced `StoreCourseEventRequest` and `UpdateCourseEventRequest` for consistent request validation.
- 🖼️ Created `CourseResource` and `CourseEventResource` for API responses.
- 🔄 Refactored `CourseController` and `CourseEventController` to use Policies and FormRequests.
- ✨ Added dedicated `uploadLogo` and `uploadAvatar` API endpoints with shared media validation.
- 🚀 Improved API by aligning Course and CourseEvent behavior with other entities.

app/Http/Requests/Api/UploadMediaRequest.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace App\Http\Requests\Api;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Foundation\Http\FormRequest;
+
+class UploadMediaRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        $model = $this->boundModel();
+
+        return $model !== null && $this->user()->can('update', $model);
+    }
+
+    /**
+     * @return array<string, array<int, string>>
+     */
+    public function rules(): array
+    {
+        return [
+            'file' => [
+                'required',
+                'image',
+                'mimes:jpeg,png,webp,avif',
+                'max:5120',
+                'dimensions:max_width=4000,max_height=4000',
+            ],
+        ];
+    }
+
+    /**
+     * The route-bound model whose media is being replaced (meetup, lecturer, course).
+     */
+    protected function boundModel(): ?Model
+    {
+        foreach ($this->route()->parameters() as $parameter) {
+            if ($parameter instanceof Model) {
+                return $parameter;
+            }
+        }
+
+        return null;
+    }
+}