/// <summary>
/// Initialises a new instance of <see cref="TenantResolver"/>.
/// </summary>
/// <param name="featureStateProvider">The feature state provider.</param>
/// <param name="configuration">The configuration.</param>
public TenantResolver(IFeatureStateProvider featureStateProvider)
{
_featureStateProvider = Ensure.IsNotNull(featureStateProvider, nameof(featureStateProvider));
_tenancyFeatureState = featureStateProvider.GetFeatureState(CoreInfo.TenancyFeatureId);
_configThunk = new Lazy <TenantsConfiguration>(() => ResolveConfiguration(_tenancyFeatureState.ConfigurationSection));
}
/// <inheritdoc />
public IFeature <TService> CreateFeature(IServiceProvider serviceProvider, FeatureId featureId)
{
Ensure.IsNotNull(serviceProvider, nameof(serviceProvider));
var state = (!_workContext.TenantId.Equals(TenantId.Empty) && !_workContext.TenantId.Equals(TenantId.Default))
? _featureStateProvider.GetFeatureState(featureId, _workContext.TenantId)
: _featureStateProvider.GetFeatureState(featureId);
var service = serviceProvider.GetService <TService>();
bool missing = Equals(default(TService), service);
return(new Feature <TService>(
featureId,
state.Enabled,
missing,
service,
state.ConfigurationSection));
}
/// <inheritdoc />
public Action <IApplicationBuilder> Configure(Action <IApplicationBuilder> next)
{
Ensure.IsNotNull(next, nameof(next));
var context = new FeatureInitialisationContext(_serviceProvider);
foreach (var feature in _featureProvider.Features)
{
var state = _featureStateProvider.GetFeatureState(feature.Id);
if (state != null && state.Enabled)
{
feature.Initialise(context);
}
}
return(next);
}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IHostingEnvironment env, IModuleProvider moduleProvider, IFeatureProvider featureProvider, IFeatureStateProvider featureStateProvider)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
foreach (var module in moduleProvider.Modules)
{
Console.WriteLine($"Module: {module.Id}");
}
foreach (var feature in featureProvider.Features)
{
if ((featureStateProvider.GetFeatureState(feature.Id)?.Enabled).GetValueOrDefault(false))
{
Console.WriteLine($"Feature: {feature.Id}");
}
}
app.Run(async(context) =>
{
Console.WriteLine($"Executing for {context.Request.Path}");
var feature1 = context.RequestServices.GetRequiredService <IFeature <IAppService> >();
var feature2 = context.RequestServices.GetRequiredService <IFeature <IAppService, AppFeatureConfiguration> >();
if (feature1.Enabled)
{
feature1.Service.DoAction();
}
if (feature2.Enabled)
{
feature2.Service.DoAction(feature2.Configuration);
}
var tenantService = context.RequestServices.GetRequiredService <ITenantService>();
tenantService.DoAction();
});
}
/// <summary>
/// Extends the application configuration.
/// </summary>
/// <param name="context">The web host builder context.</param>
/// <param name="builder">The configuration builder.</param>
public void ExtendConfiguration(WebHostBuilderContext context, IConfigurationBuilder builder)
{
Ensure.IsNotNull(context, nameof(context));
Ensure.IsNotNull(builder, nameof(builder));
foreach (var module in _moduleProvider.Modules)
{
if (module is IAppConfigurationExtender extender)
{
extender.BuildConfiguration(context, builder);
}
}
foreach (var feature in _featureProvider.Features)
{
var state = _featureStateProvider.GetFeatureState(feature.Id);
if (state != null && state.Enabled && feature is IAppConfigurationExtender extender)
{
extender.BuildConfiguration(context, builder);
}
}
}