/// <summary>
/// If new release is available, then return the new release
/// otherwise, return null
/// </summary>
/// <returns></returns>
public Release CheckUpgrade(bool forceCheck = false)
{
if (checkedUpdate && !forceCheck) return newRelease;
string json = HttpRequest.Get(updateURL);
if (string.IsNullOrEmpty(json)) return null;
try
{
newRelease = JsonConvert.DeserializeObject<Release>(json);
if (!IsNewerThanCurrent(newRelease))
{
newRelease = null;
}
checkedUpdate = true;
}
catch{}
return newRelease;
}
private bool IsNewerThanCurrent(Release release)
{
if (release == null) return false;
string currentVersion = ConfigurationManager.AppSettings["version"];
return CompareVersion(release.version, currentVersion) > 0;
}