public static bool Available(Uri updateUrl)
{
// Don't auto-update in the debugger
if (Debugger.IsAttached)
{
// In debug mode we don't want to actually request the file
Version = ProcessUtils.ProductVersion;
Url = null;
Comments = "";
return(false);
}
else
{
// TODO Display a form that shows we're doing something, otherwise it looks like the application hangs if it takes awhile to do the check
string AutoUpdateIniFile = StringUtils.PathCombine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), ProcessUtils.CompanyName, "AutoUpdate.ini");
using (IniFile AutoUpdateIni = new IniFile(AutoUpdateIniFile))
{
// Check if there's an old installer to delete
string OldUrl = AutoUpdateIni.ReadString(ProcessUtils.ProductName, "URL", "");
if (OldUrl.Length > 0)
{
string OldInstaller = StringUtils.PathCombine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), ProcessUtils.CompanyName, Path.GetFileName(OldUrl));
FileUtils.FileDelete(OldInstaller);
}
// Retrieve the new INI from the updater website
string NewIniFile = StringUtils.LFtoCRLF(WebUtils.HttpGet(AutoUpdateIni.ReadString("config", "URL", updateUrl.ToString()) + "?Name=" + WebUtils.UrlEncode(ProcessUtils.ProductName) + "&Version=" + WebUtils.UrlEncode(ProcessUtils.ProductVersion)));
if (!string.IsNullOrEmpty(NewIniFile))
{
// Save and re-open the new INI
Directory.CreateDirectory(Path.GetDirectoryName(AutoUpdateIniFile));
FileUtils.FileWriteAllText(AutoUpdateIniFile, NewIniFile);
using (IniFile NewIni = new IniFile(AutoUpdateIniFile))
{
// Read the version, url, and comments from the latest ini
Version = NewIni.ReadString(ProcessUtils.ProductName, "version", ProcessUtils.ProductVersion);
Url = NewIni.ReadString(ProcessUtils.ProductName, "URL", "");
int CommentCount = NewIni.ReadInt32(ProcessUtils.ProductName, "comments", 0);
if (CommentCount > 0)
{
Comments = NewIni.ReadString(ProcessUtils.ProductName, "comment1", "");
for (int i = 2; i <= CommentCount; i++)
{
Comments += Environment.NewLine + NewIni.ReadString(ProcessUtils.ProductName, "comment" + i.ToString(), "");
}
}
else
{
Comments = "";
}
}
}
else
{
// The new INI was not found
Version = ProcessUtils.ProductVersion;
Url = null;
Comments = "";
}
}
return(ProcessUtils.ProductVersion != Version);
}
}