public TenantPipelineAccessor(
ITenantMiddlewarePipelineFactory <TTenant> tenantPipelineFactory,
TenantShellAccessor <TTenant> tenantShellAccessor)
{
_tenantShellAccessor = tenantShellAccessor;
_tenantPipelineFactory = tenantPipelineFactory;
TenantPipeline = new Func <IApplicationBuilder, RequestDelegate, Lazy <Task <RequestDelegate> > >((appBuilder, next) =>
{
return(new Lazy <Task <RequestDelegate> >(async() =>
{
var tenantShell = await _tenantShellAccessor.CurrentTenantShell.Value;
if (tenantShell == null)
{
return next;
}
var tenant = tenantShell?.Tenant;
var tenantPipeline = tenantShell.GetOrAddMiddlewarePipeline(new Lazy <Task <RequestDelegate> >(() =>
{
return _tenantPipelineFactory.Create(appBuilder, tenant, next);
}));
return await tenantPipeline.Value;
}));
});
}
public TenantPipelineMiddleware(
RequestDelegate next,
IApplicationBuilder rootApp,
ILogger <TenantPipelineMiddleware <TTenant> > logger,
ITenantMiddlewarePipelineFactory <TTenant> factory)
{
_next = next;
_rootApp = rootApp;
_logger = logger;
_factory = factory;
}
public async Task Invoke(HttpContext context, ITenantPipelineAccessor <TTenant, IApplicationBuilder, RequestDelegate> tenantPipelineAccessor, ITenantMiddlewarePipelineFactory <TTenant, IApplicationBuilder, RequestDelegate> tenantPipelineFactory)
{
_logger.LogDebug("Tenant Pipeline Middleware - Getting Tenant Pipeline.");
var tenantPipeline = await tenantPipelineAccessor.TenantPipeline(_options.RootApp, _options.RootApp.ApplicationServices, _next, tenantPipelineFactory, !_options.IsTerminal).Value;
if (tenantPipeline != null)
{
_logger.LogDebug("Tenant Pipeline Middleware - Executing Pipeline.");
await tenantPipeline(context);
}
else
{
_logger.LogDebug("Null tenant shell - No Tenant Middleware Pipeline to execute.");
await _next(context);
}
}
