/// <summary>
/// Find the available book groups, books, and packages for the selected language
/// </summary>
/// <param name="data">
/// The page data downloaded containing the book data
/// </param>
/// <returns>
/// Collection of book groups for the help collection
/// </returns>
/// <exception cref="ArgumentNullException">
/// If data is null
/// </exception>
/// <exception cref="XmlException">
/// If there was a error processing the xml data
/// </exception>
/// <exception cref="InvalidOperationException">
/// If there was a error processing the xml data
/// </exception>
public static ICollection<BookGroup> LoadBooks( byte[] data )
{
if ( data == null )
{
throw new ArgumentNullException( "data" );
}
XDocument document;
List<BookGroup> result = new List<BookGroup>();
using ( MemoryStream stream = new MemoryStream( data ) )
{
document = XDocument.Load( stream );
}
if ( document.Root != null )
{
IEnumerable<XElement> groups =
document.Root.Elements()
.Where( x => x.GetClassName() == "book-list" )
.Take( 1 )
.Single()
.Elements()
.Where( x => x.GetClassName() == "book-groups" )
.Take( 1 )
.Single()
.Elements()
.Where( x => x.GetClassName() == "book-group" );
foreach ( XElement group in groups )
{
BookGroup bookGroup = new BookGroup
{
Code = group.GetChildClassValue( "id" ),
Name = group.GetChildClassValue( "name" ),
Vendor = group.GetChildClassValue( "vendor" ),
Books = new List<Book>()
};
result.Add( bookGroup );
IEnumerable<XElement> books = group.Elements().Where( x => x.GetClassName() == "book" );
foreach ( XElement book in books )
{
Book b = new Book
{
Code = book.GetChildClassValue( "id" ),
Locale = new Locale { Code = book.GetChildClassValue( "locale" ) },
//Local = book.GetChildClassValue( "locale" ),
Name = book.GetChildClassValue( "name" ),
Description = book.GetChildClassValue( "description" ),
BrandingPackageName = book.GetChildClassValue( "BrandingPackageName" ),
Paths = new List<MSDNPath>(),
Packages = new List<Package>()
};
IEnumerable<XElement> paths =
book.Elements()
.Where(x => x.GetClassName() == "properties")
.Take(1)
.Single()
.Elements()
.Where(x => x.GetClassName() == "paths")
.Take(1)
.Single()
.Elements()
.Where(x => x.GetClassName() == "path");
//.Take( 1 )
//.Single();
foreach (XElement path in paths)
{
MSDNPath p = new MSDNPath
{
Languages = path.GetChildClassValue( "languages" ),
Membership = path.GetChildClassValue( "membership" ),
Name = path.GetChildClassValue( "name" ),
//Priority = path.GetChildClassValue( "priority" ),
Priority = long.Parse( path.GetChildClassValue( "priority" ), CultureInfo.InvariantCulture ),
//SkuId = path.GetChildClassValue( "skuId" ),
SkuId = long.Parse( path.GetChildClassValue( "skuId" ), CultureInfo.InvariantCulture ),
SkuName = path.GetChildClassValue( "skuName" )
};
if ( p.SkuName == "Enterprise" )
p.SkuId = 3000;
else if ( p.SkuName == "Professional" )
p.SkuId = 2000;
else if ( p.SkuName == "Standard" )
p.SkuId = 1000;
else if ( p.SkuName == "Express" )
p.SkuId = 500;
b.Paths.Add(p);
string bookPath = p.Name.TrimStart(new[] { '\\' });
b.Category = bookPath;
}
IEnumerable<XElement> packages =
book.Elements()
.Where( x => x.GetClassName() == "packages" )
.Take( 1 )
.Single()
.Elements()
.Where( x => x.GetClassName() == "package" );
foreach ( XElement package in packages )
{
Package pa = new Package
{
PackageType = package.GetChildClassValue( "packageType" ),
PackageFormat = package.GetChildClassValue( "packageFormat" ),
Name = package.GetChildClassValue( "name" ),
Deployed = package.GetChildClassValue( "deployed" ),
LastModified = DateTime.Parse( package.GetChildClassValue( "last-modified" ), CultureInfo.InvariantCulture ),
Tag = package.GetChildClassValue( "package-etag" ),
Link = package.GetChildClassAttributeValue( "current-link", "href" ),
Size = long.Parse( package.GetChildClassValue( "package-size-bytes" ), CultureInfo.InvariantCulture ),// unused
UncompressedSize = long.Parse( package.GetChildClassValue( "package-size-bytes-uncompressed" ), CultureInfo.InvariantCulture ),// unused
ConstituentLink = package.GetChildClassAttributeValue( "package-constituent-link", "href" )
};
b.Packages.Add( pa );
}
bookGroup.Books.Add(b);
}
}
}
else
{
throw new XmlException( "Missing document root" );
}
return result;
}