Working on new method

PhotoRenamer.Base/FilesHelper.cs

@@ -1,6 +1,9 @@
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.IO;
+using ExifLibrary;
+using JetBrains.Annotations;
 
 namespace PhotoRenamer.Base
 {
@@ -22,5 +25,31 @@ namespace PhotoRenamer.Base
                 }
             }
         }
+
+        public static IEnumerable<MediaFile> GetMediaFiles([NotNull] IEnumerable<string> files)
+        {
+            if (files == null) throw new ArgumentNullException(nameof(files));
+            
+            foreach (var file in files)
+            {
+                var imageFile = ImageFile.FromFile(file);
+                var dateTime = imageFile.Properties.Get<ExifDateTime>(ExifTag.DateTimeOriginal);
+                var mediaFile  = new MediaFile(file, dateTime.Value);
+                yield return mediaFile;
+            }
+        }
+    }
+    
+    
+    public class MediaFile
+    {
+        public string Path { get; }
+        public DateTime CreationDate { get; }
+
+        public MediaFile(string path, DateTime creationDate)
+        {
+            Path = path;
+            CreationDate = creationDate;
+        }
     }
 }