/// <summary>
/// Create module instance.
/// </summary>
/// <param name="host"></param>
protected Module(IModuleHost host)
{
Host = host;
Services = host.Services;
Logger = Services.GetRequiredService <ILogger <Module> >();
_manifest = new Lazy <ModuleManifest>(() => Host.GetManifest(GetType()));
}
/// <summary>
/// Get option that belongs to the module.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="host"></param>
/// <param name="provider"></param>
/// <param name="moduleType"></param>
/// <returns></returns>
public static T GetOption <T>(this IModuleHost host, IServiceProvider provider, Type moduleType) where T : class
{
var manifest = host.GetManifest(moduleType);
var type = typeof(T);
return(manifest.Options.Any(x => x == type)
? provider.GetRequiredService <IOptionsSnapshot <T> >().Value
: throw new ModuleNotFoundException($"No such option for the module {moduleType.FullName}: {type.FullName}."));
}
/// <summary>
/// Get service that belongs to the module.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="host"></param>
/// <param name="provider"></param>
/// <param name="moduleType"></param>
/// <returns></returns>
public static T GetService <T>(this IModuleHost host, IServiceProvider provider, Type moduleType) where T : notnull
{
var manifest = host.GetManifest(moduleType);
var type = typeof(T);
return(manifest.Services.Any(x => x.ServiceType == type)
? provider.GetRequiredService <T>()
: throw new ModuleNotFoundException($"No such service for the module {moduleType.FullName}: {type.FullName}."));
}
public static IModuleHost HasServices <T>(this IModuleHost host) where T : IModule
{
host.HasModule <T>();
var manifest = host.GetManifest <T>();
foreach (var item in manifest.Services)
{
host.HasService(item.ServiceType);
}
return(host);
}
public static IModuleHost HasDependencies <T>(this IModuleHost host) where T : IModule
{
host.HasModule <T>();
var manifest = host.GetManifest <T>();
foreach (var item in manifest.Dependencies)
{
host.HasModule(item);
}
return(host);
}
/// <summary> /// Get manifest for the module. /// </summary> /// <typeparam name="TModule"></typeparam> /// <param name="host"></param> /// <returns></returns> public static ModuleManifest GetManifest <TModule>(this IModuleHost host) where TModule : IModule => host.GetManifest(typeof(TModule));