delete extended properties on file delete

src/GeekLearning.Storage.FileSystem.ExtendedProperties.FileSystem/Internal/ExtendedPropertiesProvider.cs

@@ -55,5 +55,16 @@ private void EnsurePathExists(string path)
                 Directory.CreateDirectory(directoryPath);
             }
         }
+
+        public Task DeleteExtendedPropertiesAsync(string storeAbsolutePath, IPrivateFileReference file)
+        {
+            var extendedPropertiesPath = this.GetExtendedPropertiesPath(storeAbsolutePath, file);
+            if (File.Exists(extendedPropertiesPath))
+            {
+                File.Delete(extendedPropertiesPath);
+            }
+
+            return Task.FromResult(0);
+        }
     }
 }

src/GeekLearning.Storage.FileSystem/IExtendedPropertiesProvider.cs

@@ -7,5 +7,7 @@ public interface IExtendedPropertiesProvider
         ValueTask<Internal.FileExtendedProperties> GetExtendedPropertiesAsync(string storeAbsolutePath, IPrivateFileReference file);
 
         Task SaveExtendedPropertiesAsync(string storeAbsolutePath, IPrivateFileReference file, Internal.FileExtendedProperties extendedProperties);
+
+        Task DeleteExtendedPropertiesAsync(string storeAbsolutePath, IPrivateFileReference file);
     }
 }

src/GeekLearning.Storage.FileSystem/Internal/FileSystemFileReference.cs

@@ -56,10 +56,14 @@ public FileSystemFileReference(
 
         public IFileProperties Properties => this.propertiesLazy.Value;
 
-        public Task DeleteAsync()
+        public async Task DeleteAsync()
         {
             File.Delete(this.FileSystemPath);
-            return Task.FromResult(true);
+
+            if (extendedPropertiesProvider != null)
+            {
+                await extendedPropertiesProvider.DeleteExtendedPropertiesAsync(this.FileSystemPath, this);
+            }
         }
 
         public ValueTask<byte[]> ReadAllBytesAsync()