public UpdateManifest DownloadManifest()
{
var dataString = string.Empty;
try
{
dataString = GetUpdateManifestData(updateDataUrl);
}
catch (Exception e)
{
logger.Warn(e, "Failed to download update manifest from main URL");
}
try
{
if (string.IsNullOrEmpty(dataString) && !string.IsNullOrEmpty(updateDataUrl2))
{
dataString = GetUpdateManifestData(updateDataUrl2);
}
}
catch (Exception e)
{
logger.Warn(e, "Failed to download update manifest from secondary URL");
}
if (string.IsNullOrEmpty(dataString))
{
throw new Exception("Failed to download update manifest.");
}
updateManifest = JsonConvert.DeserializeObject <UpdateManifest>(dataString);
return(updateManifest);
}
public UpdateManifest.Package GetUpdatePackage(UpdateManifest manifest, Version currentVersion)
{
var diff = manifest.Packages.FirstOrDefault(a => a.BaseVersion.ToString(2) == currentVersion.ToString(2));
if (diff != null)
{
return(diff);
}
return(manifest.Packages.First(a => a.BaseVersion == manifest.LatestVersion));
}