Ensure that the PermissionService is loaded correctly (#307)

* Ensure that the PermissionService is loaded correctly

* Update backend/mirai-console/src/extensions/PermissionServiceProvider.kt

* Mark `@ConsoleExperimentalApi`

Co-authored-by: Him188 <[email protected]>

backend/mirai-console/src/extension/ExtensionPoint.kt

@@ -74,7 +74,7 @@ public abstract class AbstractSingletonExtensionPoint<E : SingletonExtension<T>,
      * 由 [SingletonExtensionSelector] 选择后的实例.
      */
     @ConsoleExperimentalApi
-    public val selectedInstance: T by lazy {
+    public open val selectedInstance: T by lazy {
         GlobalComponentStorage.run { [email protected](extensionType, builtinImplementation) }
     }
 }

backend/mirai-console/src/extensions/PermissionServiceProvider.kt

@@ -25,6 +25,8 @@ import net.mamoe.mirai.console.util.ConsoleExperimentalApi
 public interface PermissionServiceProvider : SingletonExtension<PermissionService<*>> {
     public companion object ExtensionPoint :
         AbstractSingletonExtensionPoint<PermissionServiceProvider, PermissionService<*>>(PermissionServiceProvider::class, BuiltInPermissionService) {
+        internal var permissionServiceOk = false
+
         @ConsoleExperimentalApi
         public val providerPlugin: Plugin? by lazy {
             GlobalComponentStorage.run {
@@ -33,6 +35,15 @@ public interface PermissionServiceProvider : SingletonExtension<PermissionServic
                 PermissionServiceProvider.getExtensions().find { it.extension.instance === instance }?.plugin
             }
         }
+
+        @ConsoleExperimentalApi
+        override val selectedInstance: PermissionService<*>
+            get() {
+                if (!permissionServiceOk) {
+                    error("PermissionService not yet loaded")
+                }
+                return super.selectedInstance
+            }
     }
 }
 
@@ -46,4 +57,4 @@ public class PermissionServiceProviderImpl(override val instance: PermissionServ
  */
 public class PermissionServiceProviderImplLazy(initializer: () -> PermissionService<*>) : PermissionServiceProvider {
     override val instance: PermissionService<*> by lazy(initializer)
-}
+}

backend/mirai-console/src/internal/MiraiConsoleImplementationBridge.kt

@@ -180,6 +180,7 @@ internal object MiraiConsoleImplementationBridge : CoroutineScope, MiraiConsoleI
         phase("load PermissionService") {
             mainLogger.verbose { "Loading PermissionService..." }
 
+            PermissionServiceProvider.permissionServiceOk = true
             PermissionService.INSTANCE.let { ps ->
                 if (ps is BuiltInPermissionService) {
                     ConsoleDataScope.addAndReloadConfig(ps.config)