/// <summary>
/// Get available app versions from the server
/// </summary>
/// <returns></returns>
public async Task <IEnumerable <IAppVersion> > GetAppVersionsAsync()
{
StringBuilder url = new StringBuilder(this.ApiBaseVersion2 + "apps/" + this.AppIdentifier + ".json");
url.Append("?app_version=" + Uri.EscapeDataString(this.VersionInfo));
if (!String.IsNullOrEmpty(this.Os))
{
url.Append("&os=" + Uri.EscapeDataString(this.Os));
}
if (!String.IsNullOrEmpty(this.OsVersion))
{
url.Append("&os_version=" + Uri.EscapeDataString(this.OsVersion));
}
if (!String.IsNullOrEmpty(this.Device))
{
url.Append("&device=" + Uri.EscapeDataString(this.Device));
}
if (!String.IsNullOrEmpty(this.Oem))
{
url.Append("&oem=" + Uri.EscapeDataString(this.Oem));
}
if (!String.IsNullOrEmpty(this.SdkName))
{
url.Append("&sdk=" + Uri.EscapeDataString(this.SdkName));
}
if (!String.IsNullOrEmpty(this.SdkVersion))
{
url.Append("&sdk_version=" + Uri.EscapeDataString(this.SdkVersion));
}
url.Append("&lang=" + Uri.EscapeDataString(System.Globalization.CultureInfo.CurrentUICulture.TwoLetterISOLanguageName));
if (!String.IsNullOrEmpty(this.Auid))
{
url.Append("&=auid" + Uri.EscapeDataString(this.Auid));
}
else if (!String.IsNullOrEmpty(this.Iuid))
{
url.Append("&=iuid" + Uri.EscapeDataString(this.Iuid));
}
else if (!String.IsNullOrEmpty(this.Uuid))
{
url.Append("&=duid" + Uri.EscapeDataString(this.Uuid));
}
var request = WebRequest.CreateHttp(new Uri(this.ApiBaseVersion2 + "apps/" + this.AppIdentifier + ".json", UriKind.Absolute));
request.Method = "Get";
request.SetHeader(HttpRequestHeader.UserAgent.ToString(), this.UserAgentString);
var response = await request.GetResponseAsync();
IEnumerable <AppVersion> appVersions = await TaskEx.Run(() => AppVersion.FromJson(response.GetResponseStream()));
foreach (var ver in appVersions)
{
ver.PublicIdentifier = this.AppIdentifier; //the json response does not include the public app identifier
}
return(appVersions);
}