Code cleanup. Implemented ability to schedule Library Backups.

API/Interfaces/ICacheService.cs

@@ -1,38 +0,0 @@
-using System.Threading.Tasks;
-using API.Entities;
-
-namespace API.Interfaces
-{
-    public interface ICacheService
-    {
-        /// <summary>
-        /// Ensures the cache is created for the given chapter and if not, will create it. Should be called before any other
-        /// cache operations (except cleanup).
-        /// </summary>
-        /// <param name="chapterId"></param>
-        /// <returns>Chapter for the passed chapterId. Side-effect from ensuring cache.</returns>
-        Task<Chapter> Ensure(int chapterId);
-
-        /// <summary>
-        /// Clears cache directory of all folders and files.
-        /// </summary>
-        void Cleanup();
-
-        /// <summary>
-        /// Clears cache directory of all volumes. This can be invoked from deleting a library or a series.
-        /// </summary>
-        /// <param name="chapterIds">Volumes that belong to that library. Assume the library might have been deleted before this invocation.</param>
-        void CleanupChapters(int[] chapterIds);
-        
-
-        /// <summary>
-        /// Returns the absolute path of a cached page. 
-        /// </summary>
-        /// <param name="chapter">Chapter entity with Files populated.</param>
-        /// <param name="page">Page number to look for</param>
-        /// <returns></returns>
-        Task<(string path, MangaFile file)> GetCachedPagePath(Chapter chapter, int page);
-
-        void EnsureCacheDirectory();
-    }
-}