public InstallerInfo LastModified(string url)
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
var info = new InstallerInfo();
if (response.StatusCode == HttpStatusCode.OK)
{
info.CreationTime = response.LastModified;
info.Length = response.ContentLength;
}
return info;
}
public InstallerInfo LastModified(string url)
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
var info = new InstallerInfo();
if (response.StatusCode == HttpStatusCode.OK)
{
info.CreationTime = response.LastModified;
info.Length = response.ContentLength;
}
return(info);
}
public PluginExecuteResult Load()
{
http = new HttpClient();
down = new Downloader();
down.ResponseHandler += SetResponseInfo;
down.ProgressHandler += Progress;
down.DoneHandler += Done;
settings = IniFile.FromFile(Default.Name);
latest = new InstallerInfo();
latest.Version = settings[info.Name]["Version"] ?? "-";
long ticks;
if (long.TryParse(settings[info.Name]["Time"], out ticks))
{
latest.CreationTime = new DateTime(ticks);
}
long length;
if (long.TryParse(settings[info.Name]["Length"], out length))
{
latest.Length = length;
}
if (latest.CreationTime != DateTime.MinValue || latest.Length != 0)
EventStart(this, new PluginEventArgs(string.Format("Version: {0} (Date: {1}, Length: {2})", latest.Version, latest.CreationTime, latest.Length)));
return PluginExecuteResult.Successfull;
}
private void NewLatestVersion(InstallerInfo installerInfo)
{
settings[info.Name]["Version"] = installerInfo.Version;
settings[info.Name]["Time"] = installerInfo.CreationTime.Ticks.ToString();
settings[info.Name]["Length"] = installerInfo.Length.ToString();
settings.Save(Default.Name);
}
public PluginExecuteResult Execute()
{
EventProcessing(this, new PluginEventArgs(string.Format("Checking for {0}...", this)));
bool newVersion = false;
InstallerInfo installerInfo = http.LastModified(siteInfo.InstallerUrl);
if(installerInfo.CreationTime.Date > latest.CreationTime.Date)
{
newVersion = true;
}
else if(installerInfo.Length != latest.Length)
{
newVersion = true;
}
if (newVersion)
{
EventUpdate(this, new PluginEventArgs("New version found!"));
NewLatestVersion(installerInfo);
latest = installerInfo;
string path = PluginSaveHelper.BuildSavePath(info, latest.CreationTime);
if(!File.Exists(path))
down.FileAsync(siteInfo.InstallerUrl);
else
{
EventProcessing(this, new PluginEventArgs("File already exists already"));
BuildVersion(path);
}
}
return PluginExecuteResult.Failed;
}
