static IApplicationBuilder GetModuleBuilder(
IApplicationBuilder app,
ModuleInstance moduleInstance)
{
var moduleStartup = moduleInstance.ModuleServices.GetRequiredService <IModuleStartup>();
var moduleBuilder = new ApplicationBuilder(moduleInstance.ModuleServices, app.ServerFeatures);
return(moduleBuilder.UseRequestServices(moduleStartup.Configure));
}
public ModuleInstance UseModule(IApplicationBuilder app, string moduleName, string moduleInstanceId, PathString pathBase)
{
if (_moduleInstances.ContainsKey(moduleInstanceId))
{
throw new InvalidOperationException($"A module with instance ID {moduleInstanceId} is already in use");
}
if (!_modulesDescriptors.ContainsKey(moduleName))
{
throw new InvalidOperationException($"Module {moduleName} is not loaded");
}
var moduleDescriptor = GetModuleDescriptor(moduleName);
ModuleInstanceOptions moduleInstanceOptions;
_options.ModuleInstanceOptions.TryGetValue(moduleInstanceId, out moduleInstanceOptions);
var moduleInstance = new ModuleInstance(
moduleDescriptor,
moduleInstanceId,
pathBase,
SharedServices,
app.ApplicationServices,
moduleInstanceOptions);
_moduleInstances.Add(moduleInstance.ModuleInstanceId, moduleInstance);
var moduleBuilder = GetModuleBuilder(app, moduleInstance);
app.UseWhenPath(pathBase, branch =>
{
branch.Use(next =>
{
moduleBuilder.Run(next);
var module = moduleBuilder.Build();
return(context => module(context));
});
});
return(moduleInstance);
}
