Moved some files around, fixed Log file fetching to use zip and work more reliably. Refactored some code in directory service.

API/Interfaces/Services/IBackupService.cs

@@ -1,7 +1,17 @@
-namespace API.Interfaces.Services
+using System.Collections.Generic;
+using Microsoft.Extensions.Configuration;
+
+namespace API.Interfaces.Services
 {
     public interface IBackupService
     {
         void BackupDatabase();
+        /// <summary>
+        /// Returns a list of full paths of the logs files detailed in <see cref="IConfiguration"/>. 
+        /// </summary>
+        /// <param name="maxRollingFiles"></param>
+        /// <param name="logFileName"></param>
+        /// <returns></returns>
+        IEnumerable<string> LogFiles(int maxRollingFiles, string logFileName);
     }
 }