Insert media files into Kentico Media Library

program.cs

using CMS.Base;
using CMS.IO;
using CMS.MediaLibrary;
using CMS.Membership;
using System;
  
namespace KenticoMediaLibraryConsole
{
    internal class Program
    {
        // Note that this version does not push items to the Kentico Staging Queue
        // See https://gist.github.com/emmanuel-tissera-gs/19ec7fe4b9135398c45f for fix
        private static void Main(string[] args)
        {
            (new MediaFileSample()).AddMediaLibraryItem();
        }
    }
  
    public class MediaFileSample
    {
        private UserInfo User
        {
            get { return CMS.Membership.UserInfoProvider.GetUserInfo("Administrator"); }
        }
  
        public void AddMediaLibraryItem()
        {
            CMS.Base.SystemContext.WebApplicationPhysicalPath = @"C:\inetpub\wwwroot\Site\CMS";
            CMS.DataEngine.CMSApplication.Init();
  
            var libraryName = DateTime.Now.ToString("yyyyMMdd-HHmm");
            var library = CreateMediaLibrary(libraryName);
  
            var mediaFile = GetInitializedMediaFile(library);
  
            if (mediaFile != null)
            {
                MediaFileInfoProvider.SetMediaFileInfo(mediaFile);
                CMSWorkerQueue.RunCurrentQueuedWorkers();
            }
        }
  
        private MediaLibraryInfo CreateMediaLibrary(string libraryName)
        {
            using (new CMSActionContext(User))
            {
                var library = new MediaLibraryInfo();
  
                // Set the properties
                library.LibraryDisplayName = libraryName + " Display";
                library.LibraryName = libraryName;
                library.LibraryDescription = libraryName + " Description";
                library.LibraryFolder = libraryName;
                library.LibrarySiteID = 1;
                library.LibraryLastModified = DateTime.Now;
  
                // Create the media library
                MediaLibraryInfoProvider.SetMediaLibraryInfo(library);
  
                return library;
            }
        }
  
        private MediaFileInfo GetInitializedMediaFile(MediaLibraryInfo library)
        {
            MediaFileInfo mediaFile = null;
  
            if (library != null)
            {
                var filePath = @"C:\Powered_by_kentico2.gif";
  
                // Create file info
                FileInfo file = FileInfo.New(filePath);
  
                using (new CMSActionContext(User))
                {
                    mediaFile = new MediaFileInfo(filePath, library.LibraryID)
                    {
                        FileName = file.Name,
                        FileTitle = "File Title",
                        FileDescription = "A Description for the file",
                        FilePath = "MyNewFile.gif",
                        FileExtension = file.Extension,
                        FileMimeType = "image/gif",
                        FileSiteID = 1,
                        FileLibraryID = library.LibraryID,
                        FileSize = file.Length,
                        FileModifiedByUserID = User.UserID
                    };
                }
            }
  
            return mediaFile;
        }
    }
}