public static string getVersion()
{
if (_versao == null)
{
_versao = DependencyService.Get <IAppVersion>();
}
return(_versao.GetVersion());
}
/// <summary>
/// Enrich the log event.
/// </summary>
/// <param name="logEvent">The log event to enrich.</param>
/// <param name="propertyFactory">Factory for creating new properties to add to the event.</param>
public void Enrich(LogEvent logEvent, ILogEventPropertyFactory propertyFactory)
{
string version = _appVersion.GetVersion();
if (!String.IsNullOrWhiteSpace(version))
{
var versionProperty = propertyFactory.CreateProperty(_propertyName, version);
logEvent.AddPropertyIfAbsent(versionProperty);
}
}
/// <summary>
/// Invoke the middleware to include the version of the application.
/// </summary>
/// <param name="context">The context for the current HTTP request.</param>
/// <exception cref="ArgumentNullException">Thrown when the <paramref name="context"/> is <c>null</c>.</exception>
/// <exception cref="ArgumentException">Thrown when the <paramref name="context"/> doesn't contain a response.</exception>
public async Task Invoke(HttpContext context)
{
Guard.NotNull(context, nameof(context), "Requires a HTTP context to add the application version to the response");
Guard.For(() => context.Response is null, new ArgumentException("Requires a HTTP context with a response to add the application version", nameof(context)));
context.Response.OnStarting(() =>
{
string version = _appVersion.GetVersion();
if (String.IsNullOrWhiteSpace(version))
{
_logger.LogWarning("Setting current application version halted because the '{Type}' got a blank version", _appVersion.GetType().Name);
}
else
{
_logger.LogTrace("Setting current application version response header '{HeaderName}' to '{Version}'", _options.HeaderName, version);
context.Response.Headers[_options.HeaderName] = version;
}
return(Task.CompletedTask);
});
await _next(context);
}
