//step 3
#region Move Methods
/// <summary>
/// Step 3: Move all images to main folder.
/// </summary>
/// <param name="document"></param>
/// <returns></returns>
private async Task MoveAllImagesAsync(OPFDocument document)
{
//image can be any type so we don't specify the exact mediatype.
foreach (var image in document.Manifest.Item.Where(t => t.Mediatype.Contains("image")))
{
//create image path from data we already have.
var imagePath = Path.Combine(OPFFolder.Path, image.Href.Replace('/', '\\'));
//we don't want to move a non-existing file.
if (File.Exists(imagePath))
{
//we are sure the file exists. Create a StorageFile out of it.
var imageFile = await StorageFile.GetFileFromPathAsync(imagePath);
//make sure the image doesn't already exists.
if (!File.Exists(Path.Combine(EpubTextFolder.Path, Path.GetFileName(imageFile.Path))))
{
await imageFile.CopyAsync(EpubTextFolder);
//delete file. We no longer need it.
await imageFile.DeleteAsync(StorageDeleteOption.PermanentDelete);
}
}
}
}
//step 2
#region Read Methods
/// <summary>
/// Step 2: Read TOC
/// </summary>
/// <param name="metadata"></param>
/// <returns>Table Of Contents of the EPUB</returns>
private async Task <TOC> ReadTOC(OPFDocument metadata)
{
Deserializer = new XmlSerializer(typeof(TOC));
var tocFilePath = Path.Combine(OPFFolder.Path, metadata.Manifest.Item.FirstOrDefault(t => t.Mediatype == "application/x-dtbncx+xml").Href);
var tocFile = await StorageFile.GetFileFromPathAsync(tocFilePath);
using (var stream = await tocFile.OpenStreamForReadAsync())
{
return((TOC)Deserializer.Deserialize(stream));
}
}
private async Task <StorageFile> GetCoverImageAsync(OPFDocument opfContent)
{
string coverPath = "";
if (opfContent.Manifest.Item.Any(t => (t.Id.ToLower().Contains("cover") || t.Href.ToLower().Contains("cover")) && t.Mediatype.Contains("image")))
{
coverPath = opfContent.Manifest.Item.FirstOrDefault(t => (t.Id.ToLower().Contains("cover") || t.Href.ToLower().Contains("cover")) && t.Mediatype.Contains("image")).Href;
}
else
{
coverPath = opfContent.Manifest.Item.FirstOrDefault(t => t.Mediatype.Contains("image")).Href;
}
coverPath = coverPath.Remove(0, coverPath.LastIndexOf("/") + 1);
return((StorageFile)(await EpubTextFolder.TryGetItemAsync(coverPath)));
}
