/// <summary>
/// Registers Cofoundry into the Owin pipeline and runs all the registered
/// Cofoundry StartupTasks. You must install and register a Cofoundry DI Integration
/// nuget package before calling this method (e.g. app.UseCofoundryAutoFacIntegration())
/// </summary>
/// <param name="app">Owin AppBuilder</param>
/// <param name="configBuilder">Additional configuration options</param>
public static void UseCofoundry(this IAppBuilder app, Action <CofoundryStartupConfiguration> configBuilder = null)
{
var configuration = new CofoundryStartupConfiguration();
if (configBuilder != null)
{
configBuilder(configuration);
}
// We're not in a request scope here so open and close our own scope to tidy up resources
using (var childContext = IckyDependencyResolution.CreateNewChildContextFromRoot())
{
// Use the fullname secondry ordering here to get predicatable task ordering
IEnumerable <IStartupTask> startupTasks = childContext
.ResolveAll <IStartupTask>()
.OrderBy(i => i.Ordering)
.ThenBy(i => i.GetType().FullName);
if (configuration.StartupTaskFilter != null)
{
startupTasks = configuration.StartupTaskFilter(startupTasks);
}
foreach (var startupTask in startupTasks)
{
startupTask.Run(app);
}
}
}
public async override Task Invoke(IOwinContext cx)
{
bool runUpdate = false;
if (_updateStatus == UpdateStatus.NotStarted)
{
lock (_updateStatusLock)
{
if (_updateStatus == UpdateStatus.NotStarted)
{
_updateStatus = UpdateStatus.InProgress;
runUpdate = true;
}
}
if (runUpdate)
{
try
{
using (var cs = IckyDependencyResolution.CreateNewChildContextFromRoot())
{
var service = cs.Resolve <IAutoUpdateService>();
await service.UpdateAsync();
}
_updateStatus = UpdateStatus.Complete;
}
catch (Exception ex)
{
_updateStatus = UpdateStatus.NotStarted;
throw;
}
}
}
if (_updateStatus == UpdateStatus.InProgress)
{
cx.Response.StatusCode = (int)HttpStatusCode.ServiceUnavailable;
await cx.Response.WriteAsync("The application is being updated. Please try again shortly.");
}
else
{
await Next.Invoke(cx);
}
}