public async Task Import(
int userId,
string fileName,
int blogRootNode,
bool overwrite,
string regexMatch,
string regexReplace,
bool publishAll,
bool exportDisqusXml = false)
{
try
{
if (!File.Exists(fileName))
{
throw new FileNotFoundException("File not found: " + fileName);
}
var root = _applicationContext.Services.ContentService.GetById(blogRootNode);
if (root == null)
{
throw new InvalidOperationException("No node found with id " + blogRootNode);
}
if (!root.ContentType.Alias.InvariantEquals("Articulate"))
{
throw new InvalidOperationException("The node with id " + blogRootNode + " is not an Articulate root node");
}
using (var stream = File.OpenRead(fileName))
{
var document = new BlogMLDocument();
document.Load(stream);
stream.Position = 0;
var xdoc = XDocument.Load(stream);
var authorIdsToName = ImportAuthors(userId, root, document.Authors);
var imported = await ImportPosts(userId, xdoc, root, document.Posts, document.Authors.ToArray(), document.Categories.ToArray(), authorIdsToName, overwrite, regexMatch, regexReplace, publishAll);
if (exportDisqusXml)
{
var exporter = new DisqusXmlExporter();
var xDoc = exporter.Export(imported, document);
using (var memStream = new MemoryStream())
{
xDoc.Save(memStream);
_fileSystem.AddFile("DisqusXmlExport.xml", memStream, true);
}
}
}
}
catch (Exception ex)
{
HasErrors = true;
LogHelper.Error<BlogMlImporter>("Importing failed with errors", ex);
}
}
/// <summary>
/// Instantiates a <see cref="ISyndicationResource"/> that conforms to the specified <see cref="SyndicationContentFormat"/> using the supplied <see cref="Stream"/>.
/// </summary>
/// <param name="stream">The <see cref="Stream"/> used to load the syndication resource.</param>
/// <param name="format">A <see cref="SyndicationContentFormat"/> enumeration value that indicates the type syndication resource the <paramref name="stream"/> represents.</param>
/// <returns>
/// An <see cref="ISyndicationResource"/> object that conforms to the specified <paramref name="format"/>, initialized using the supplied <paramref name="stream"/>.
/// If the <paramref name="format"/> is not supported by the provider, returns a <b>null</b> reference.
/// </returns>
/// <exception cref="ArgumentNullException">The <paramref name="stream"/> is a null reference (Nothing in Visual Basic).</exception>
private static ISyndicationResource BuildResource(SyndicationContentFormat format, Stream stream)
{
//------------------------------------------------------------
// Validate parameters
//------------------------------------------------------------
Guard.ArgumentNotNull(stream, "stream");
//------------------------------------------------------------
// Create syndication resource based on content format
//------------------------------------------------------------
if (format == SyndicationContentFormat.Apml)
{
ApmlDocument document = new ApmlDocument();
document.Load(stream);
return document;
}
else if (format == SyndicationContentFormat.Atom)
{
XPathDocument document = new XPathDocument(stream);
XPathNavigator navigator = document.CreateNavigator();
navigator.MoveToRoot();
navigator.MoveToChild(XPathNodeType.Element);
if(String.Compare(navigator.LocalName, "entry", StringComparison.OrdinalIgnoreCase) == 0)
{
AtomEntry entry = new AtomEntry();
entry.Load(navigator);
return entry;
}
else if (String.Compare(navigator.LocalName, "feed", StringComparison.OrdinalIgnoreCase) == 0)
{
AtomFeed feed = new AtomFeed();
feed.Load(navigator);
return feed;
}
else
{
return null;
}
}
else if (format == SyndicationContentFormat.BlogML)
{
BlogMLDocument document = new BlogMLDocument();
document.Load(stream);
return document;
}
else if (format == SyndicationContentFormat.Opml)
{
OpmlDocument document = new OpmlDocument();
document.Load(stream);
return document;
}
else if (format == SyndicationContentFormat.Rsd)
{
RsdDocument document = new RsdDocument();
document.Load(stream);
return document;
}
else if (format == SyndicationContentFormat.Rss)
{
RssFeed feed = new RssFeed();
feed.Load(stream);
return feed;
}
else
{
return null;
}
}
private BlogMLDocument GetDocument(string fileName)
{
if (!File.Exists(fileName))
{
throw new FileNotFoundException("File not found: " + fileName);
}
using (var stream = File.OpenRead(fileName))
{
var document = new BlogMLDocument();
document.Load(stream);
return document;
}
}
/// <summary>
/// Creates a new <see cref="BlogMLDocument"/> instance using the specified <see cref="Uri"/>, <see cref="ICredentials"/>, <see cref="IWebProxy"/>, and <see cref="SyndicationResourceLoadSettings"/> object.
/// </summary>
/// <param name="source">A <see cref="Uri"/> that represents the URL of the syndication resource XML data.</param>
/// <param name="options">A <see cref="WebRequestOptions"/> that holds options that should be applied to web requests.</param>
/// <param name="settings">The <see cref="SyndicationResourceLoadSettings"/> object used to configure the <see cref="BlogMLDocument"/> instance. This value can be <b>null</b>.</param>
/// <returns>An <see cref="BlogMLDocument"/> object loaded using the <paramref name="source"/> data.</returns>
/// <exception cref="ArgumentNullException">The <paramref name="source"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="FormatException">The <paramref name="source"/> data does not conform to the expected syndication content format. In this case, the document remains empty.</exception>
public static BlogMLDocument Create(Uri source, WebRequestOptions options, SyndicationResourceLoadSettings settings)
{
//------------------------------------------------------------
// Local members
//------------------------------------------------------------
BlogMLDocument syndicationResource = new BlogMLDocument();
//------------------------------------------------------------
// Validate parameters
//------------------------------------------------------------
Guard.ArgumentNotNull(source, "source");
//------------------------------------------------------------
// Create new instance using supplied parameters
//------------------------------------------------------------
syndicationResource.Load(source, options, settings);
return syndicationResource;
}
