public async Task GenerationWorks()
{
var sourceFiles = ImagesFolder.EnumerateFiles().Where(d => ValidExtensions.Contains(d.Extension)).ToArray();
var testFile = new FileInfo(@"Test.epub");
using (var stream = testFile.Open(FileMode.Create))
using (var writer = new EPUBWriter(stream))
{
foreach (var i in sourceFiles)
{
using (var pageStream = i.OpenRead())
{
if (i.Name == CoverImageName)
{
await writer.SetCoverAsync(pageStream, true);
}
else
{
await writer.AddPageAsync(pageStream, i.Name);
}
}
}
SetMetadata(writer.Metadata);
}
}
private async Task AddImageToEpub(EPUBWriter writer, FileInfo imageFile, bool asCover)
{
if (!imageFile.Exists)
{
Console.WriteLine($"{imageFile.FullName} not found");
}
try
{
using (var imageStream = imageFile.OpenRead())
{
if (asCover)
{
await writer.SetCoverAsync(imageStream, false, !IgnoreCoverAspectRatio);
}
else
{
await writer.AddPageAsync(imageStream);
}
}
}
catch (Exception e)
{
throw new Exception($"Unable to add {imageFile.FullName} to epub.\n{e.Message}");
}
}
private async Task <int> OnExecuteAsync()
{
if (string.IsNullOrEmpty(OutputPath))
{
Console.WriteLine("Specify an output file");
return(-1);
}
var outputFile = new FileInfo(OutputPath);
var tempFile = new FileInfo(OutputPath + "_part");
if (tempFile.Exists)
{
tempFile.Delete();
tempFile.Refresh();
}
Console.WriteLine($"Generating {outputFile.Name}");
var targetFiles = GenerateTargetFilesList();
if (!targetFiles.pages.Any())
{
Console.WriteLine("No images for pages found");
return(-1);
}
try
{
using (var outStream = tempFile.Open(FileMode.Create))
using (var writer = new EPUBWriter(outStream))
{
var metadata = writer.Metadata;
metadata.Title = !string.IsNullOrEmpty(Title) ? Title : Path.GetFileNameWithoutExtension(outputFile.Name);
metadata.Author = !string.IsNullOrEmpty(Author) ? Author : nameof(CPubMake);
metadata.Publisher = !string.IsNullOrEmpty(Publisher) ? Publisher : nameof(CPubMake);
metadata.Description = Description;
metadata.RightToLeftReading = RightToLeftReading;
if (!string.IsNullOrEmpty(Tags))
{
foreach (var i in Tags.Split(',').Select(d => d.Trim()))
{
metadata.Tags.Add(i);
}
}
if (Metadata != null)
{
foreach (var i in Metadata)
{
var components = i.Split('=');
if (components.Length == 2)
{
metadata.Custom[components[0]] = components[1];
}
}
}
if (targetFiles.cover != null)
{
Console.Write("\r" + new string(' ', Console.WindowWidth) + "\r");
Console.Write("Adding cover");
await AddImageToEpub(writer, targetFiles.cover, true);
}
var ctr = 1;
foreach (var i in targetFiles.pages)
{
Console.Write("\r" + new string(' ', Console.WindowWidth) + "\r");
Console.Write($"Adding image {ctr}/{targetFiles.pages.Count}");
await AddImageToEpub(writer, i, false);
ctr++;
}
Console.WriteLine(string.Empty);
await writer.FinalizeAsync();
await outStream.FlushAsync();
}
}
catch (Exception e)
{
Console.WriteLine(string.Empty);
Console.WriteLine($"Error generating {outputFile.FullName}\n{e.Message}");
return(-1);
}
tempFile.Refresh();
tempFile.MoveTo(outputFile.FullName, true);
return(0);
}
