From 7d5f858ed74e19628c7375872fa41186415e27ca Mon Sep 17 00:00:00 2001
From: Philipp Lang <zoomyboy@intern.zoomyboy.de>
Date: Mon, 6 Sep 2021 14:01:13 +0200
Subject: [PATCH] Return null in TagGenerator

---
 classes/TagGenerator.php | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/classes/TagGenerator.php b/classes/TagGenerator.php
index 6a6f206..b4b7091 100644
--- a/classes/TagGenerator.php
+++ b/classes/TagGenerator.php
@@ -22,12 +22,6 @@ class TagGenerator {
         ksort($this->breakpoints);
     }
 
-    public function cacheOutput() {
-        return Cache::rememberForever('responsive-image-'.$this->attachment->id, function() {
-            return $this->output();
-        }).' '.$this->attrs;
-    }
-
     public function size(string $name): array
     {
         $size = collect(Setting::get('sizes'))->filter(fn ($size) => $size['name'] === $name)
@@ -36,10 +30,10 @@ class TagGenerator {
         return explode('x', $size['aspect_ratio']);
     }
 
-    public function possibleFiles(string $ratio): Collection
+    public function possibleFiles(string $ratio): ?Collection
     {
         if (Storage::mimeType(app(FileObserver::class)->fullMediaPath($this->path)) !== 'image/jpeg') {
-            return collect([]);
+            return null;
         }
 
         $filename = pathinfo($this->path, PATHINFO_FILENAME);
@@ -69,7 +63,9 @@ class TagGenerator {
             ]));
         }
 
-        return $result->sortBy('width');
+        return $result->count()
+            ? $result->sortBy('width')
+            : null;
     }
 
     public function generate(string $path, ?string $ratio = 'original'): string
@@ -77,7 +73,7 @@ class TagGenerator {
         $this->path = $path;
         $files = $this->possibleFiles($ratio);
 
-        if ($files->isEmpty()) {
+        if ($files === null) {
             return 'src="'.$this->media->findFiles($path)[0]->publicUrl.'"';
         }