private static void RecordThumbnail(ThumbnailViewModel thumbnail)
{
try
{
ThumbnailFacade.InsertOrReplace(thumbnail);
s_logger.Debug($"Recorded Thumbnail into database. {thumbnail.ToString()}");
}
catch (Exception e)
{
s_logger.Error(e);
}
}
public static void DeleteThumbnail(ImageViewModel target, DataOperationUnit dataOpUnit = null)
{
Contract.Requires(target != null);
Contract.Requires(target.Thumbnail != null);
var deleting = target.Thumbnail;
target.Thumbnail = null;
Thread.Sleep(0);
File.Delete(deleting.AbsoluteMasterPath);
s_logger.Debug($"Deleted File:{deleting.AbsoluteMasterPath}");
ThumbnailFacade.DeleteWhereIDIs(deleting.ID);
}
private static void CreateEntities(ILibrary _libraryVM, PageViewModel _page, CoverSegmenting cs, DataOperationUnit dataOpUnit)
{
Guid imageID = Guid.NewGuid();
var image = new ImageViewModel(imageID, "cover", cs._masterPath, Configuration.ApplicationConfiguration);
image.Configuration = Configuration.ApplicationConfiguration;
image.ID = imageID;
image.UnescapedTitle = "cover";
if (System.IO.Path.IsPathRooted(cs._masterPath))
{
image.RelativeMasterPath = ImageViewModel.MakeRelativeMasterPath(Configuration.ApplicationConfiguration.WorkingDirectory, cs._masterPath);
}
else
{
image.RelativeMasterPath = cs._masterPath;
}
ImageFacade.Insert(image, dataOpUnit);
var pageID = Guid.NewGuid();
var page = new PageViewModel();
page.Configuration = Configuration.ApplicationConfiguration;
page.ID = pageID;
page.UnescapedTitle = "cover";
page.ImageID = imageID;
page.BookID = _page.BookID;
page.PageIndex = 1;
page.Image = image;
PageFacade.Insert(page, dataOpUnit);
var book = _libraryVM.OnStage.Where(b => b.ID.Equals(_page.BookID)).Single();
book.FirstPage = page;
if (book.FirstPage.Image.ThumbnailRecorded)
{
book.FirstPage.Image.Thumbnail = ThumbnailFacade.FindByImageID(book.FirstPage.ImageID, dataOpUnit);
}
if (!book.FirstPage.Image.ThumbnailLoaded || !book.FirstPage.Image.ThumbnailGenerated)
{
ThumbnailGenerating.GenerateThumbnail(book.FirstPage.Image, dataOpUnit);
}
cs._book = book;
}
internal static void DeleteRecordFromStorage(PageViewModel page, DataOperationUnit dataOpUnit = null)
{
Debug.Assert(page != null);
PageFacade.DeleteWhereIDIs(page.ID, dataOpUnit);
ImageFacade.DeleteWhereIDIs(page.ImageID, dataOpUnit);
if (page.Image != null)
{
var image = page.Image;
if (image.ThumbnailRecorded)
{
if (!image.ThumbnailLoaded)
{
image.Thumbnail = ThumbnailFacade.FindByImageID(image.ID, dataOpUnit);
}
ThumbnailFacade.DeleteWhereIDIs(image.Thumbnail.ID, dataOpUnit);
}
}
}
public static void GenerateThumbnailIf(BookViewModel book, DataOperationUnit dataOpUnit = null)
{
var firstPage = book.FirstPage;
if (firstPage != null)
{
var firstPageImage = firstPage.Image;
if (!firstPageImage.ThumbnailLoaded)
{
firstPageImage.Thumbnail = ThumbnailFacade.FindByImageID(firstPageImage.ID, dataOpUnit);
}
if (!firstPageImage.ThumbnailLoaded ||
firstPageImage.Thumbnail?.RelativeMasterPath == null ||
!firstPageImage.ThumbnailGenerated)
{
ThumbnailGenerating.GenerateThumbnail(firstPageImage, dataOpUnit);
}
}
}