/// <summary>
/// Download the requested books and create the appropriate index files for MSDN HelpViewer
/// </summary>
/// <param name="bookGroups">
/// The collection of bookGroups to with the books to download indicated by the Book.Wanted
/// property
/// </param>
/// <param name="cachePath">
/// The path where the downloaded books are cached
/// </param>
/// <param name="progress">
/// Interface used to report the percentage progress back to the GUI
/// </param>
/// <exception cref="ArgumentNullException">
/// If any of the parameters are null
/// </exception>
/// <exception cref="WebException">
/// If the data cannot be downloaded
/// </exception>
/// <exception cref="XmlException">
/// If the data cannot be processed
/// </exception>
/// <exception cref="IOException">
/// If there was a problem reading or writing to the cache directory
/// </exception>
/// <exception cref="UnauthorizedAccessException">
/// If the user does not have permission to write to the cache directory
/// </exception>
/// <exception cref="InvalidOperationException">
/// If the data cannot be processed
/// </exception>
public void DownloadBooks(ICollection <BookGroup> bookGroups, string cachePath, IProgress <int> progress)
{
if (bookGroups == null)
{
throw new ArgumentNullException("bookGroups");
}
if (cachePath == null)
{
throw new ArgumentNullException("cachePath");
}
if (cachePath == null)
{
throw new ArgumentNullException("progress");
}
// Create cachePath
string targetDirectory = Path.Combine(cachePath, "Packages");
if (!Directory.Exists(targetDirectory))
{
Directory.CreateDirectory(targetDirectory);
}
// Cleanup index files
Directory.GetFiles(cachePath, "*.msha").ForEach(File.Delete);
Directory.GetFiles(cachePath, "*.xml").ForEach(File.Delete);
// Creating setup indexes
File.WriteAllText(
Path.Combine(cachePath, "HelpContentSetup.msha"), HelpIndexManager.CreateSetupIndex(bookGroups), Encoding.UTF8);
// Create list of unique packages for possible download and write the book group and
// book index files
Dictionary <string, Package> packages = new Dictionary <string, Package>();
foreach (BookGroup bookGroup in bookGroups)
{
File.WriteAllText(
Path.Combine(cachePath, bookGroup.CreateFileName()),
HelpIndexManager.CreateBookGroupBooksIndex(bookGroup),
Encoding.UTF8);
Debug.Print("BookGroup: {0}", bookGroup.Name);
foreach (Book book in bookGroup.Books)
{
if (book.Wanted)
{
Debug.Print(" Book: {0}", book.Name);
File.WriteAllText(
Path.Combine(cachePath, book.CreateFileName()),
HelpIndexManager.CreateBookPackagesIndex(bookGroup, book),
Encoding.UTF8);
foreach (Package package in book.Packages)
{
string name = package.Name.ToUpperInvariant();
Debug.Print(" Package: {0}", name);
if (!packages.ContainsKey(name))
{
packages.Add(name, package);
}
}
}
}
}
// Cleanup old files
foreach (string file in Directory.GetFiles(targetDirectory, "*.cab"))
{
string fileName = Path.GetFileNameWithoutExtension(file);
if (!string.IsNullOrEmpty(fileName))
{
fileName = fileName.ToUpperInvariant();
if (!packages.ContainsKey(fileName))
{
File.Delete(file);
}
}
}
// Download the packages
int packagesCountCurrent = 0;
client.BaseAddress = "http://packages.mtps.microsoft.com/";
foreach (Package package in packages.Values)
{
string targetFileName = Path.Combine(targetDirectory, package.CreateFileName());
if (package.State == PackageState.NotDownloaded || package.State == PackageState.OutOfDate)
{
Debug.Print(" Downloading : '{0}' to '{1}'", package.Link, targetFileName);
client.DownloadFile(package.Link, targetFileName);
if (AuthenticodeTools.IsTrusted(targetFileName))
{
File.SetCreationTime(targetFileName, package.LastModified);
File.SetLastAccessTime(targetFileName, package.LastModified);
File.SetLastWriteTime(targetFileName, package.LastModified);
}
else
{
Debug.Print("The signature on '{0}' is not valid - deleting");
File.Delete(targetFileName);
throw new InvalidDataException($"The signature on '{targetFileName}' is not valid - deleting");
}
}
progress.Report(100 * ++packagesCountCurrent / packages.Count);
}
}
/// <summary>
/// Download the requested books and create the appropriate index files for MSDN HelpViewer
/// </summary>
/// <param name="bookGroups">
/// The collection of bookGroups to with the books to download indicated by the Book.Wanted
/// property
/// </param>
/// <param name="cachePath">
/// The path where the downloaded books are cached
/// </param>
/// <param name="progress">
/// Interface used to report the percentage progress back to the GUI
/// </param>
/// <exception cref="ArgumentNullException">
/// If any of the parameters are null
/// </exception>
/// <exception cref="WebException">
/// If the data cannot be downloaded
/// </exception>
/// <exception cref="XmlException">
/// If the data cannot be processed
/// </exception>
/// <exception cref="IOException">
/// If there was a problem reading or writing to the cache directory
/// </exception>
/// <exception cref="UnauthorizedAccessException">
/// If the user does not have permission to write to the cache directory
/// </exception>
/// <exception cref="InvalidOperationException">
/// If the data cannot be processed
/// </exception>
public void DownloadBooks(ICollection <BookGroup> bookGroups, string cachePath, string finalDirectory, Locale locale, MyProgress progress)
{
if (bookGroups == null)
{
throw new ArgumentNullException("bookGroups");
}
if (cachePath == null)
{
throw new ArgumentNullException("cachePath");
}
if (cachePath == null)
{
throw new ArgumentNullException("progress");
}
// Create cachePath
string targetDirectory = Path.Combine(cachePath, "Packages");
if (!Directory.Exists(targetDirectory))
{
Directory.CreateDirectory(targetDirectory);
}
// Create content directories
string contentDirectory = null;
string indexDirectory = null;
if (finalDirectory != null)
{
if (!Directory.Exists(finalDirectory))
{
Directory.CreateDirectory(finalDirectory);
}
contentDirectory = Path.Combine(finalDirectory, "ContentStore");
if (!Directory.Exists(contentDirectory))
{
Directory.CreateDirectory(contentDirectory);
}
indexDirectory = Path.Combine(finalDirectory, "IndexStore");
if (!Directory.Exists(indexDirectory))
{
Directory.CreateDirectory(indexDirectory);
}
string localeName = "en-US";
try {
localeName = CultureInfo.CreateSpecificCulture(locale.Name).Name;
}
catch { }
contentDirectory = Path.Combine(contentDirectory, localeName);
if (!Directory.Exists(contentDirectory))
{
Directory.CreateDirectory(contentDirectory);
}
indexDirectory = Path.Combine(indexDirectory, localeName);
if (!Directory.Exists(indexDirectory))
{
Directory.CreateDirectory(indexDirectory);
}
}
// Create locale name
// Cleanup index files
Directory.GetFiles(cachePath, "*.msha").ForEach(File.Delete);
Directory.GetFiles(cachePath, "*.xml").ForEach(File.Delete);
// Creating setup indexes
File.WriteAllText(
Path.Combine(cachePath, "HelpContentSetup.msha"), HelpIndexManager.CreateSetupIndex(bookGroups), Encoding.UTF8);
// Create list of unique packages for possible download and write the book group and
// book index files
Dictionary <string, Package> packages = new Dictionary <string, Package>();
foreach (BookGroup bookGroup in bookGroups)
{
File.WriteAllText(
Path.Combine(cachePath, bookGroup.CreateFileName()),
HelpIndexManager.CreateBookGroupBooksIndex(bookGroup),
Encoding.UTF8);
Debug.Print("BookGroup: {0}", bookGroup.Name);
foreach (Book book in bookGroup.Books)
{
if (book.Wanted)
{
Debug.Print(" Book: {0}", book.Name);
File.WriteAllText(
Path.Combine(cachePath, book.CreateFileName()),
HelpIndexManager.CreateBookPackagesIndex(bookGroup, book),
Encoding.UTF8);
foreach (Package package in book.Packages)
{
string name = package.Name.ToUpperInvariant();
Debug.Print(" Package: {0}", name);
if (!packages.ContainsKey(name))
{
packages.Add(name, package);
}
}
}
}
}
// Cleanup old files
foreach (string file in Directory.GetFiles(targetDirectory, "*.cab"))
{
string fileName = Path.GetFileNameWithoutExtension(file);
if (!string.IsNullOrEmpty(fileName))
{
fileName = fileName.ToUpperInvariant();
if (!packages.ContainsKey(fileName))
{
File.Delete(file);
}
}
}
// Download the packages
int packagesCountCurrent = 0;
client.BaseAddress = "http://packages.mtps.microsoft.com/";
foreach (Package package in packages.Values)
{
string targetFileName = Path.Combine(targetDirectory, package.CreateFileName());
if (package.State == PackageState.NotDownloaded || package.State == PackageState.OutOfDate)
{
Debug.Print(" Downloading : '{0}' to '{1}'", package.Link, targetFileName);
client.DownloadFile(package.Link, targetFileName);
File.SetCreationTime(targetFileName, package.LastModified);
File.SetLastAccessTime(targetFileName, package.LastModified);
File.SetLastWriteTime(targetFileName, package.LastModified);
}
progress.Report(100 * ++packagesCountCurrent / packages.Count);
}
// move files
if (finalDirectory != null)
{
packagesCountCurrent = 0;
progress.Report(0);
Directory.GetFiles(contentDirectory, "*.*").ForEach(File.Delete);
Directory.GetFiles(indexDirectory, "*.*").ForEach(File.Delete);
foreach (Package package in packages.Values)
{
string targetFileName = Path.Combine(targetDirectory, package.CreateFileName());
Debug.Print(" Moving : '{0}' to '{1}'", targetFileName, finalDirectory);
Move(targetFileName, contentDirectory, indexDirectory);
progress.Report(100 * ++packagesCountCurrent / packages.Count);
}
}
}
