Update Media model, add cdn support to url and thumbnailUrl methods

app/Media.php

@@ -29,25 +29,38 @@ class Media extends Model
 
     public function url()
     {
+        if($this->mime === 'video/mp4') {
+            return url(Storage::url($this->thumbnail_path ?? 'public/no-preview.png'));
+        }
+
+        if($this->cdn_url) {
+            return $this->cdn_url;
+        }
+
         if(!empty($this->remote_media) && $this->remote_url) {
-            //$url = \App\Services\MediaProxyService::get($this->remote_url, $this->mime);
-            $url = $this->remote_url;
-        } else {
-            $path = $this->media_path;
-            $url = $this->cdn_url ?? config('app.url') . Storage::url($path);
+            return $this->remote_url;
         }
 
-        return $url;
+        return url(Storage::url($this->media_path));
     }
 
     public function thumbnailUrl()
     {
-        if($this->remote_media == true) {
-            return $this->remote_url;
-        } else {
-            $path = $this->thumbnail_path ?? 'public/no-preview.png';
-            return url(Storage::url($path));
+        if($this->mime === 'video/mp4') {
+            return url(Storage::url($this->thumbnail_path ?? 'public/no-preview.png'));
         }
+
+        if($this->thumbnail_url) {
+            return $this->thumbnail_url;
+        }
+
+        if($this->remote_url || $this->thumbnail_path) {
+            return url(Storage::url(
+                $this->remote_url ?? 
+                $this->thumbnail_path));
+        }
+
+        return url(Storage::url('public/no-preview.png'));
     }
 
     public function thumb()