public void AutoRegister(IServiceCollection services, IEnumerable <Assembly> assemblies)
{
if (services == null)
{
throw new ArgumentNullException(nameof(services));
}
if (assemblies == null)
{
throw new ArgumentNullException(nameof(assemblies));
}
var autoInjectType = typeof(IAutoInject);
var autoInjectAsSingletonType = typeof(IAutoInjectAsSingleton);
var autoInjectAsScopedType = typeof(IAutoInjectAsScoped);
var autoInjectAsTransientType = typeof(IAutoInjectAsTransient);
var autoInjectIgnoreType = typeof(IAutoInjectIgnore);
var autoBindTypes = assemblies.SelectMany(x =>
x.ExportedTypes.Where(t =>
autoInjectType.IsAssignableFrom(t) &&
!autoInjectIgnoreType.IsAssignableFrom(t) &&
!t.IsAbstract &&
!t.IsInterface)).ToList();
foreach (var autoBindType in autoBindTypes)
{
var bindTypeImplInterfaces = autoBindType.GetInterfaces();
var serviceInterfaces = bindTypeImplInterfaces.Where(t =>
t != autoInjectType &&
t != autoInjectAsSingletonType &&
t != autoInjectAsScopedType &&
t != autoInjectAsTransientType).ToList();
if (autoInjectAsSingletonType.IsAssignableFrom(autoBindType))
{
//bind self
services.AddSingleton(autoBindType);
AddIfNotExist(autoBindType, autoBindType, ServiceLifetime.Singleton);
foreach (var serviceInterface in serviceInterfaces)
{
if (!IgnoreServiceInterfaces.Contains(serviceInterface))
{
services.AddSingleton(serviceInterface, sp => sp.GetService(autoBindType));
AddIfNotExist(autoBindType, serviceInterface, ServiceLifetime.Singleton);
}
}
continue;
}
if (autoInjectAsScopedType.IsAssignableFrom(autoBindType))
{
//bind self
services.AddScoped(autoBindType);
AddIfNotExist(autoBindType, autoBindType, ServiceLifetime.Scoped);
foreach (var serviceInterface in serviceInterfaces)
{
if (!IgnoreServiceInterfaces.Contains(serviceInterface))
{
services.AddScoped(serviceInterface, sp => sp.GetService(autoBindType));
AddIfNotExist(autoBindType, serviceInterface, ServiceLifetime.Scoped);
}
}
continue;
}
//default will use IAutoInjectAsTransient
//bind self
services.AddTransient(autoBindType);
AddIfNotExist(autoBindType, autoBindType, ServiceLifetime.Transient);
foreach (var serviceInterface in serviceInterfaces)
{
if (!IgnoreServiceInterfaces.Contains(serviceInterface))
{
services.AddTransient(serviceInterface, autoBindType);
AddIfNotExist(autoBindType, serviceInterface, ServiceLifetime.Transient);
}
}
}
}
public MyLifetimeRegistry()
{
IgnoreServiceInterfaces.Add(typeof(IDisposable));
}