private void LoadCatalog()
{
_rootCatalog = _opdsClient.GetRootPage(out _nsmgr, out _feedTitle);
if (!String.IsNullOrWhiteSpace(_options.LanguageName) || !String.IsNullOrEmpty(_options.Publisher))
{
_filteredCatalog = _opdsClient.GetFilteredCatalog(_rootCatalog);
if (_filteredCatalog == null)
{
Console.WriteLine("ERROR: creating the filtered catalog failed!");
Environment.Exit(2);
}
}
}
public int RunFetch()
{
if (!VerifyOptions())
{
return(1);
}
if (_options.DryRun)
{
Console.WriteLine("DRY RUN MESSAGES");
}
_rootCatalog = _opdsClient.GetRootPage(out _nsmgr, out _feedTitle);
// Fill in the language specific catalog if the language name is given.
if (!String.IsNullOrWhiteSpace(_options.LanguageName) || !String.IsNullOrWhiteSpace(_options.Publisher))
{
_filteredCatalog = _opdsClient.GetFilteredCatalog(_rootCatalog); // also applies Publisher if set
}
if (_filteredCatalog == null)
{
return(2);
}
// Don't overwrite an input catalog file.
if (!String.IsNullOrWhiteSpace(_options.Url) || !String.IsNullOrWhiteSpace(_options.Source))
{
// Write the catalog file if the catalog filename is given. If either the language name or the
// publisher is given, write out the filtered catalog. Otherwise write out whatever catalog was
// loaded from the original root url.
if (!String.IsNullOrEmpty(_options.CatalogFile))
{
if (String.IsNullOrEmpty(_options.LanguageName) && String.IsNullOrEmpty(_options.Publisher))
{
File.WriteAllText(_options.CatalogFile, _rootCatalog.OuterXml);
}
else
{
File.WriteAllText(_options.CatalogFile, _filteredCatalog.OuterXml);
}
}
}
// Retrieve and save a book if the title is provided. The author and output filepath may optionally
// be provided as well. If the language name is given, search the language specific catalog. Otherwise,
// search the catalog loaded for the root url.
if (!String.IsNullOrEmpty(_options.BookTitle))
{
return(FetchAndSaveBook());
}
return(0);
}