update libs

Packages/com.unity.asset-store-tools/Editor/Exporter/PreviewInjector.cs

@@ -0,0 +1,41 @@
+using AssetStoreTools.Previews.Data;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+
+namespace AssetStoreTools.Exporter
+{
+    internal class PreviewInjector : IPreviewInjector
+    {
+        private PreviewGenerationResult _result;
+
+        public PreviewInjector(PreviewGenerationResult result)
+        {
+            _result = result;
+        }
+
+        public void Inject(string temporaryPackagePath)
+        {
+            if (_result == null || !_result.Success)
+                return;
+
+            var previews = _result.Previews.Where(x => x.Type == _result.GenerationType && x.Exists());
+            InjectFilesIntoGuidFolders(previews, temporaryPackagePath);
+        }
+
+        private void InjectFilesIntoGuidFolders(IEnumerable<PreviewMetadata> previews, string temporaryPackagePath)
+        {
+            foreach (var assetFolder in Directory.EnumerateDirectories(temporaryPackagePath))
+            {
+                var guid = assetFolder.Replace("\\", "/").Split('/').Last();
+                var generatedPreview = previews.FirstOrDefault(x => x.Guid.Equals(guid));
+
+                if (generatedPreview == null)
+                    continue;
+
+                // Note: Unity Importer and Asset Store only operate with .png extensions
+                File.Copy(generatedPreview.Path, $"{assetFolder}/preview.png", true);
+            }
+        }
+    }
+}