update libs

Packages/com.unity.asset-store-tools/Editor/Previews/Scripts/Services/Caching/CachingService.cs

@@ -0,0 +1,87 @@
+using AssetStoreTools.Previews.Data;
+using AssetStoreTools.Utility;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+
+namespace AssetStoreTools.Previews.Services
+{
+    internal class CachingService : ICachingService
+    {
+        public void CacheMetadata(IEnumerable<PreviewMetadata> previews)
+        {
+            var updatedDatabase = UpdatePreviewDatabase(previews);
+
+            var serializerSettings = new JsonSerializerSettings()
+            {
+                ContractResolver = PreviewDatabaseContractResolver.Instance,
+                Converters = new List<JsonConverter>() { new StringEnumConverter() },
+                Formatting = Formatting.Indented
+            };
+
+            CacheUtil.CreateFileInTempCache(Constants.Previews.PreviewDatabaseFile, JsonConvert.SerializeObject(updatedDatabase, serializerSettings), true);
+        }
+
+        public bool GetCachedMetadata(out PreviewDatabase previewDatabase)
+        {
+            previewDatabase = null;
+            if (!CacheUtil.GetFileFromTempCache(Constants.Previews.PreviewDatabaseFile, out string filePath))
+                return false;
+
+            try
+            {
+                var serializerSettings = new JsonSerializerSettings()
+                {
+                    ContractResolver = PreviewDatabaseContractResolver.Instance,
+                    Converters = new List<JsonConverter>() { new StringEnumConverter() }
+                };
+
+                previewDatabase = JsonConvert.DeserializeObject<PreviewDatabase>(File.ReadAllText(filePath, Encoding.UTF8), serializerSettings);
+                return true;
+            }
+            catch
+            {
+                return false;
+            }
+        }
+
+        private PreviewDatabase UpdatePreviewDatabase(IEnumerable<PreviewMetadata> previews)
+        {
+            PreviewDatabase database;
+            if (!GetCachedMetadata(out database))
+                database = new PreviewDatabase();
+
+            // Delete missing previews
+            for (int i = database.Previews.Count - 1; i >= 0; i--)
+            {
+                if (database.Previews[i].Exists())
+                    continue;
+
+                database.Previews.RemoveAt(i);
+            }
+
+            // Append new previews & Replace existing previews
+            foreach (var preview in previews)
+            {
+                var matchingPreviews = database.Previews.Where(x => x.Guid == preview.Guid).ToList();
+                foreach (var matchingPreview in matchingPreviews)
+                {
+                    // Delete previously generated preview of the same type
+                    if (matchingPreview.Type == preview.Type)
+                        database.Previews.Remove(matchingPreview);
+                    // Delete previously generated preview of a different type if the path matches
+                    else if (matchingPreview.Path.Equals(preview.Path))
+                        database.Previews.Remove(matchingPreview);
+                }
+
+                database.Previews.Add(preview);
+            }
+
+            database.Previews = database.Previews.OrderBy(x => x.Guid).ThenBy(x => x.Type).ToList();
+            return database;
+        }
+    }
+}

Packages/com.unity.asset-store-tools/Editor/Previews/Scripts/Services/Caching/CachingService.cs.meta

@@ -0,0 +1,18 @@
+fileFormatVersion: 2
+guid: e0b6cf909c8798b4590744959571a21f
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
+AssetOrigin:
+  serializedVersion: 1
+  productId: 115
+  packageName: Asset Store Publishing Tools
+  packageVersion: 12.0.1
+  assetPath: Packages/com.unity.asset-store-tools/Editor/Previews/Scripts/Services/Caching/CachingService.cs
+  uploadId: 724584

Packages/com.unity.asset-store-tools/Editor/Previews/Scripts/Services/Caching/ICachingService.cs

@@ -0,0 +1,11 @@
+using AssetStoreTools.Previews.Data;
+using System.Collections.Generic;
+
+namespace AssetStoreTools.Previews.Services
+{
+    internal interface ICachingService : IPreviewService
+    {
+        void CacheMetadata(IEnumerable<PreviewMetadata> previews);
+        bool GetCachedMetadata(out PreviewDatabase previewDatabase);
+    }
+}

Packages/com.unity.asset-store-tools/Editor/Previews/Scripts/Services/Caching/ICachingService.cs.meta

@@ -0,0 +1,18 @@
+fileFormatVersion: 2
+guid: eeaeae010299dcd489adb00dbf51b274
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
+AssetOrigin:
+  serializedVersion: 1
+  productId: 115
+  packageName: Asset Store Publishing Tools
+  packageVersion: 12.0.1
+  assetPath: Packages/com.unity.asset-store-tools/Editor/Previews/Scripts/Services/Caching/ICachingService.cs
+  uploadId: 724584