/// <summary>
/// Downloads the application files from the server and updates it local
/// </summary>
/// <param name="app">The application to update</param>
/// <param name="localDirectory">The local directory path of the application</param>
public void DownloadApplication(Application app, string localDirectory, string rootUrl)
{
try
{
// Open Http client to download files from remote server
using (var httpClient = new WebClient())
{
app.UpdateProgress = 0;
var downloadCount = 0;
// Download all files from the server
foreach (var file in app.Files)
{
app.UpdateStatus = string.Format("Downloading file {0}", file);
var localPath = Path.Combine(localDirectory, file.Replace("/", "\\"));
if (!File.Exists(localPath))
{
File.Delete(localPath);
}
httpClient.DownloadFile(string.Format("{2}/{0}/{1}", app.Name, file, rootUrl), localPath);
downloadCount++;
app.UpdateProgress = (float)app.Files.Count / (float)downloadCount;
}
app.UpdateStatus = "Download finished";
}
}
catch { app.UpdateStatus = "Error"; throw; }
}
/// <summary>
/// Gets the application with the given name from the server
/// </summary>
/// <param name="app"></param>
public Application GetApplication(string name, string rootUrl)
{
// Make sure that the rootUrl ends with a '/'
if (!rootUrl.EndsWith("/"))
rootUrl += "/";
var application = new Application()
{
Name = name,
Files = new List<string>(),
ApplicationVersion = new Version(),
WebRootUrl = rootUrl
};
// Create a Http client to download data
using (var httpClient = new WebClient())
{
// Open filelist file on the server and store it in the object
var versionRegex = new Regex(@"^[vV][0-9]*\.[0-9]*\.[0-9]*");
var filesContent = new StreamReader(httpClient.OpenRead(string.Format("{0}{1}/files.txt", rootUrl, name)));
while (!filesContent.EndOfStream)
{
var line = filesContent.ReadLine();
// If line matches version format, parse version-number of current version
if (versionRegex.IsMatch(line))
{
application.ApplicationVersion = new Version(line.Substring(1));
}
else
{
application.Files.Add(line);
}
}
// Get changelog
var changelogReader = new StreamReader(httpClient.OpenRead(string.Format("{0}{1}/changelog.xml", rootUrl, name)));
var xmlContent = changelogReader.ReadToEnd();
application.ChangeLog = System.Xml.Linq.XDocument.Parse(xmlContent);
return application;
}
}
