Update profile model, improve avatarUrl fallback

app/Profile.php

@@ -160,6 +160,10 @@ class Profile extends Model
 		$url = Cache::remember('avatar:'.$this->id, 1209600, function () {
 			$avatar = $this->avatar;
 
+			if(!$avatar) {
+				return url('/storage/avatars/default.jpg');
+			}
+
 			if($avatar->cdn_url) {
 				if(substr($avatar->cdn_url, 0, 8) === 'https://') {
 					return $avatar->cdn_url;
@@ -170,6 +174,10 @@ class Profile extends Model
 
 			$path = $avatar->media_path;
 
+			if(!$path) {
+				return url('/storage/avatars/default.jpg');
+			}
+
 			if(substr($path, 0, 6) !== 'public') {
 				return url('/storage/avatars/default.jpg');
 			}