histories are a little messed, will change the logic in the future (techdebt)

api/app/Http/Controllers/AuthController.php

@@ -58,12 +58,20 @@ class AuthController extends Controller
             return response()->json(['message' => 'Nickname already registered'], 409);
         }
 
+        $avatarFilename = null;
+
+        if ($request->hasFile('photo_avatar_filename')) {
+            $file = $request->file('photo_avatar_filename');
+            $path = $file->store('photos_avatars', 'public');
+            $avatarFilename = basename($path);
+        }
+
         $user = User::create([
             'email' => $request->email,
             'nickname' => $request->nickname,
             'name' => $request->name,
             'password' => bcrypt($request->password),
-            'photo_avatar_filename' => $request->photo,
+            'photo_avatar_filename' => $avatarFilename,
             'type' => 'P',
             'blocked' => false,
             'coins_balance' => 10,

api/app/Http/Requests/RegisterRequest.php

@@ -26,7 +26,7 @@ class RegisterRequest extends FormRequest
             'nickname' => 'required|string|max:255',
             'name' => 'required|string|max:255',
             'password' => 'required|string|min:3',
-            'photo' => 'nullable|string',
+            'photo' => 'nullable|image|mimes:jpeg,png,jpg,gif|max:2048',
         ];
     }
 }