public override bool DeleteData(int id, out Library.DTO.Notification notification) { notification = new Library.DTO.Notification() { Type = Library.DTO.NotificationType.Success }; try { using (ImageGalleryMngEntities context = CreateContext()) { ImageGallery dbItem = context.ImageGallery.FirstOrDefault(o => o.ImageGalleryID == id); if (dbItem == null) { notification.Message = "Item not found!"; return(false); } else { if (!string.IsNullOrEmpty(dbItem.FileUD)) { // remove image fwFactory.RemoveImageFile(dbItem.FileUD); } //dbItem.ImageGalleryClient foreach (ImageGalleryVersion version in dbItem.ImageGalleryVersion.ToArray()) { if (!string.IsNullOrEmpty(version.FileUD)) { // remove image fwFactory.RemoveImageFile(version.FileUD); } context.ImageGalleryVersion.Remove(version); } foreach (ImageGalleryClient client in dbItem.ImageGalleryClient.ToArray()) { context.ImageGalleryClient.Remove(client); } context.ImageGallery.Remove(dbItem); context.SaveChanges(); return(true); } } } catch (Exception ex) { notification.Type = Library.DTO.NotificationType.Error; notification.Message = ex.Message; return(false); } }
public override bool UpdateData(int id, ref DTO.ImageGalleryMng.ImageGallery dtoItem, out Library.DTO.Notification notification) { notification = new Library.DTO.Notification() { Type = Library.DTO.NotificationType.Success }; try { using (ImageGalleryMngEntities context = CreateContext()) { ImageGallery dbItem = null; if (id == 0) { dbItem = new ImageGallery(); context.ImageGallery.Add(dbItem); } else { dbItem = context.ImageGallery.FirstOrDefault(o => o.ImageGalleryID == id); } if (dbItem == null) { notification.Message = "Item not found!"; return(false); } else { // check concurrency if (dbItem.ConcurrencyFlag != null && !dbItem.ConcurrencyFlag.SequenceEqual(Convert.FromBase64String(dtoItem.ConcurrencyFlag_String))) { throw new Exception(DALBase.Helper.TEXT_CONCURRENCY_CONFLICT); } // process image foreach (DTO.ImageGalleryMng.ImageGalleryVersion dtoVersion in dtoItem.ImageGalleryVersions.Where(o => o.HasChange)) { //dbItem.FileUD = (new Framework.DataFactory()).CreateFilePointer(this._TempFolder, dtoItem.NewFile, dtoItem.FileUD); string[] videoExtension = { "avi", "mp4", "wmv", "flv" }; if (videoExtension.Contains(dtoVersion.NewFile.Substring(dtoVersion.NewFile.Length - 3, 3).ToLower())) { dtoVersion.FileUD = fwFactory.CreateNoneImageFilePointer(this._TempFolder, dtoVersion.NewFile, dtoVersion.FileUD); } else { dtoVersion.FileUD = fwFactory.CreateFilePointer(this._TempFolder, dtoVersion.NewFile, dtoVersion.FileUD); } } converter.DTO2DB(dtoItem, ref dbItem); // remove orphan context.ImageGalleryClient.Local.Where(o => o.ImageGallery == null).ToList().ForEach(o => context.ImageGalleryClient.Remove(o)); foreach (ImageGalleryVersion dbVersion in context.ImageGalleryVersion.Local.Where(o => o.ImageGallery == null).ToList()) { // remove images if (!string.IsNullOrEmpty(dbVersion.FileUD)) { fwFactory.RemoveImageFile(dbVersion.FileUD); } } context.ImageGalleryVersion.Local.Where(o => o.ImageGallery == null).ToList().ForEach(o => context.ImageGalleryVersion.Remove(o)); context.SaveChanges(); dtoItem = GetData(dbItem.ImageGalleryID, out notification).Data; return(true); } } } catch (Exception ex) { notification = new Library.DTO.Notification() { Message = ex.Message, Type = Library.DTO.NotificationType.Error }; return(false); } }