show original gif and svg file (#233 & #226)

Author: bluehaha2

src/config/lfm.php

@@ -100,6 +100,7 @@
         'image/gif',
         'application/pdf',
         'text/plain',
+        'image/svg+xml',
     ],
 
     /*

src/controllers/UploadController.php

@@ -54,7 +54,7 @@ private function proceedSingleUpload($file)
 
         event(new ImageIsUploading($new_file_path));
         try {
-            if ($this->fileIsImage($file)) {
+            if ($this->fileIsImage($file) && $this->isImageToThumb($file)) {
                 Image::make($file->getRealPath())
                     ->orientate() //Apply orientation from exif data
                     ->save($new_file_path, 90);

src/traits/LfmHelpers.php

@@ -319,14 +319,33 @@ public function directoryIsEmpty($directory_path)
     }
 
     public function fileIsImage($file)
+    {
+        $mime_type = $this->getFileType($file);
+
+        return starts_with($mime_type, 'image');
+    }
+
+    public function isImageToThumb($file)
+    {
+        $mine_type = $this->getFileType($file);
+        $noThumbType = ['image/gif', 'image/svg+xml'];
+
+        if (in_array($mine_type, $noThumbType)) {
+            return false;
+        }
+
+        return true;
+    }
+
+    public function getFileType($file)
     {
         if ($file instanceof UploadedFile) {
             $mime_type = $file->getMimeType();
         } else {
             $mime_type = File::mimeType($file);
         }
 
-        return starts_with($mime_type, 'image');
+        return $mime_type;
     }
 
     public function sortFilesAndDirectories($arr_items, $sort_type)