/// <summary>
/// Queries the latest version of a particular product using the local file system as a backing store.
/// </summary>
/// <param name="updatesPath">The path to the updates</param>
/// <param name="productName">The name of the product to update</param>
/// <param name="currentVersion">The current version of the product that is checking for updates</param>
/// <param name="productId">The id of the product that is checking for updates</param>
/// <returns></returns>
public static XmlDocument QueryLatestVersion(string updatesPath, string productName, string currentVersion, string productId)
{
/*
* we really don't need all the information, but it would be nice to log who is trying to update
* */
try
{
// log information about this event to the system's event log
// Debug.WriteLine(string.Format("The product '{0}' version '{1}' with Id '{2}' checked for updates at {3}.", productName, currentVersion, productId, DateTime.Now.ToString()));
// there must be a path to the updates folder
if (updatesPath == null || updatesPath == string.Empty)
{
return(null);
}
// append the product name to the updates path
string path = Path.Combine(updatesPath, productName);
// if the directory doesn't exist, bail with null
if (!Directory.Exists(path))
{
return(null);
}
// find all of the manifest files in the path specified
DirectoryInfo di = new DirectoryInfo(path);
FileInfo[] files = di.GetFiles("*.manifest", SearchOption.TopDirectoryOnly);
// create versioned files from the results
VersionedFile[] versionedFiles = VersionedFile.CreateVersionedFiles(string.Format("{0}-", productName), files);
// sort them
versionedFiles = VersionedFile.Sort(versionedFiles);
// grab the latest version
VersionedFile latestVersion = VersionedFile.GetLatestVersion(versionedFiles);
// assuming there is a version available
if (latestVersion != null)
{
// create a new xml document to hold the response
XmlDocument doc = new XmlDocument();
// load the document with the xml
doc.Load(latestVersion.File.FullName);
// return the doc, which will return the document element,
// which is the pure xml inside the soap headers of the web service response
// skipping anymore encoding issues.
return(doc);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
return(null);
}
public void SetUp()
{
_testObject = new VersionedFile("TestObject");
}
public void SetUp()
{
_file = new VersionedFile("SomeFilename");
_testObject = new VersionedFileMenu(_file);
}