/// <summary>
/// Scan Assemblies for Handlers.
/// </summary>
/// <param name="aServices"></param>
/// <param name="aOptions"></param>
/// <param name="aCallingAssembly">The calling assembly</param>
private static void EnsureMediator(IServiceCollection aServices, BlazorStateOptions aOptions)
{
ServiceDescriptor mediatorServiceDescriptor = aServices.FirstOrDefault(
aServiceDescriptor => aServiceDescriptor.ServiceType == typeof(IMediator));
if (mediatorServiceDescriptor == null)
{
aServices.AddMediatR(aOptions.Assemblies.ToArray());
}
}
/// <summary>
/// Register BlazorState services based on the aConfigure options
/// </summary>
/// <param name="aServiceCollection"></param>
/// <param name="aConfigureBlazorStateOptionsAction"></param>
/// <returns></returns>
/// <example></example>
/// <remarks>The order of registration matters.
/// If the user wants to change they can configure themselves vs using this extension</remarks>
public static IServiceCollection AddBlazorState
(
this IServiceCollection aServiceCollection,
Action <BlazorStateOptions> aConfigureBlazorStateOptionsAction = null
)
{
ServiceDescriptor flagServiceDescriptor = aServiceCollection.FirstOrDefault
(
aServiceDescriptor => aServiceDescriptor.ServiceType == typeof(BlazorHostingLocation)
);
if (flagServiceDescriptor == null)
{
var blazorStateOptions = new BlazorStateOptions();
aConfigureBlazorStateOptionsAction?.Invoke(blazorStateOptions);
EnsureLogger(aServiceCollection);
EnsureHttpClient(aServiceCollection);
EnsureMediator(aServiceCollection, blazorStateOptions);
EnsureStates(aServiceCollection, blazorStateOptions);
aServiceCollection.AddScoped <BlazorHostingLocation>();
aServiceCollection.AddScoped <JsonRequestHandler>();
aServiceCollection.AddScoped <Subscriptions>();
aServiceCollection.AddScoped(typeof(IRequestPostProcessor <,>), typeof(RenderSubscriptionsPostProcessor <,>));
aServiceCollection.AddScoped <IStore, Store>();
aServiceCollection.AddSingleton(blazorStateOptions);
if (blazorStateOptions.UseCloneStateBehavior)
{
aServiceCollection.AddScoped(typeof(IPipelineBehavior <,>), typeof(CloneStateBehavior <,>));
}
if (blazorStateOptions.UseReduxDevToolsBehavior)
{
aServiceCollection.AddScoped(typeof(IRequestPostProcessor <,>), typeof(ReduxDevToolsPostProcessor <,>));
aServiceCollection.AddScoped <ReduxDevToolsInterop>();
aServiceCollection.AddTransient <IRequestHandler <CommitRequest, Unit>, CommitHandler>();
aServiceCollection.AddTransient <IRequestHandler <JumpToStateRequest, Unit>, JumpToStateHandler>();
aServiceCollection.AddTransient <IRequestHandler <StartRequest, Unit>, StartHandler>();
aServiceCollection.AddScoped(aServiceProvider => (IReduxDevToolsStore)aServiceProvider.GetService <IStore>());
}
if (blazorStateOptions.UseRouting)
{
aServiceCollection.AddScoped <RouteManager>();
aServiceCollection.AddScoped <RouteState>();
aServiceCollection.AddTransient <IRequestHandler <ChangeRouteAction, Unit>, ChangeRouteHandler>();
aServiceCollection.AddTransient <IRequestHandler <InitializeRouteAction, Unit>, InitializeRouteHandler>();
}
}
return(aServiceCollection);
}
public Store
(
ILogger <Store> aLogger,
IServiceProvider aServiceProvider,
BlazorStateOptions aBlazorStateOptions
)
{
Logger = aLogger;
ServiceProvider = aServiceProvider;
JsonSerializerOptions = aBlazorStateOptions.JsonSerializerOptions;
using (Logger.BeginScope(new Dictionary <string, object> {
[nameof(Guid)] = Guid
}))
{
Logger.LogInformation($"{GetType().Name}: constructor: {nameof(Guid)}:{Guid}");
States = new Dictionary <string, IState>();
}
}
private static void EnsureStates(IServiceCollection aServiceCollection, BlazorStateOptions aBlazorStateOptions)
{
foreach (Assembly assembly in aBlazorStateOptions.Assemblies)
{
IEnumerable <Type> types = assembly.GetTypes().Where
(
aType =>
!aType.IsAbstract &&
!aType.IsInterface &&
aType.BaseType != null &&
aType.BaseType.IsGenericType &&
aType.BaseType.GetGenericTypeDefinition() == typeof(State <>)
);
foreach (Type type in types)
{
if (!aServiceCollection.Any(aServiceDescriptor => aServiceDescriptor.ServiceType == type))
{
aServiceCollection.AddTransient(type);
}
}
}
}