53

README.md

@@ -1,6 +1,6 @@
 # angel_framework
 
-[![pub 1.0.0-dev.52](https://img.shields.io/badge/pub-1.0.0--dev.52-red.svg)](https://pub.dartlang.org/packages/angel_framework)
+[![pub 1.0.0-dev.53](https://img.shields.io/badge/pub-1.0.0--dev.53-red.svg)](https://pub.dartlang.org/packages/angel_framework)
 [![build status](https://travis-ci.org/angel-dart/framework.svg)](https://travis-ci.org/angel-dart/framework)
 
 Core libraries for the Angel Framework.

lib/hooks.dart

@@ -2,27 +2,62 @@
 library angel_framework.hooks;
 
 import 'dart:async';
+import 'dart:mirrors';
 import 'package:json_god/json_god.dart' as god;
 import 'angel_framework.dart';
 
-/// Transforms `e.data` into JSON-friendly data, i.e. a Map.
+/// Sequentially runs a set of [listeners].
-HookedServiceEventListener toJson() {
+HookedServiceEventListener chainListeners(
-  return (HookedServiceEvent e) {
+    Iterable<HookedServiceEventListener> listeners) {
-    if (e.data != null && e.data is! Map) e.data = god.serializeObject(e.data);
+  return (HookedServiceEvent e) async {
+    for (HookedServiceEventListener listener in listeners) await listener(e);
   };
 }
 
-/// Transforms `e.data` into an instance of the given [type],
+/// Runs a [callback] on every service, and listens for future services to run it again.
+AngelConfigurer hookAllServices(callback(Service service)) {
+  return (Angel app) async {
+    List<Service> touched = [];
+
+    for (var service in app.services.values) {
+      if (!touched.contains(service)) {
+        await callback(service);
+        touched.add(service);
+      }
+    }
+
+    app.onService.listen((service) {
+      if (!touched.contains(service)) return callback(service);
+    });
+  };
+}
+
+/// Transforms `e.data` or `e.result` into JSON-friendly data, i.e. a Map.
+HookedServiceEventListener toJson() {
+  return (HookedServiceEvent e) {
+    normalize(obj) {
+      if (obj != null && obj is! Map) obj = god.serializeObject(obj);
+    }
+
+    normalize(e.isBefore ? e.data : e.result);
+  };
+}
+
+/// Transforms `e.data` or `e.result` into an instance of the given [type],
 /// if it is not already.
 HookedServiceEventListener toType(Type type) {
   return (HookedServiceEvent e) {
-    if (e.data != null && e.data.runtimeType != type)
+    normalize(obj) {
-      e.data = god.deserializeDatum(e.data, outputType: type);
+      if (obj != null && obj.runtimeType != type)
+        obj = god.deserializeDatum(obj, outputType: type);
+    }
+
+    normalize(e.isBefore ? e.data : e.result);
   };
 }
 
-/// Removes one or more [key]s from service results.
+/// Removes one or more [key]s from `e.data` or `e.result`.
-/// Works on single results, and iterable results.
+/// Works on single objects and iterables.
 HookedServiceEventListener remove(key, remover(key, obj)) {
   return (HookedServiceEvent e) async {
     if (!e.isAfter) throw new StateError("'remove' only works on after hooks.");
@@ -38,9 +73,15 @@ HookedServiceEventListener remove(key, remover(key, obj)) {
         return obj..remove(key);
       else if (obj is Extensible)
         return obj..properties.remove(key);
-      else
+      else {
+        try {
+          reflect(obj).setField(new Symbol(key), null);
+          return obj;
+        } catch (e) {
           throw new ArgumentError("Cannot remove key 'key' from $obj.");
         }
+      }
+    }
 
     var keys = key is Iterable ? key : [key];
 
@@ -54,34 +95,46 @@ HookedServiceEventListener remove(key, remover(key, obj)) {
       return r;
     }
 
-    if (e.result is Iterable) {
+    normalize(obj) async {
-      var r = await Future.wait(e.result.map(_removeAll));
+      if (obj != null) {
-      e.result = e.result is List ? r.toList() : r;
+        if (obj is Iterable) {
+          var r = await Future.wait(obj.map(_removeAll));
+          obj = obj is List ? r.toList() : r;
         } else
-      e.result = await _removeAll(e.result);
+          obj = await _removeAll(obj);
+      }
+    }
+
+    await normalize(e.isBefore ? e.data : e.result);
   };
 }
 
-/// Disables a service method for access from a provider.
+/// Disables a service method for client access from a provider.
 ///
 /// [provider] can be either a String, [Providers], an Iterable of String, or a
 /// function that takes a [HookedServiceEvent] and returns a bool.
 /// Futures are allowed.
+///
+/// If [provider] is `null`, then it will be disabled to all clients.
 HookedServiceEventListener disable([provider]) {
   return (HookedServiceEvent e) async {
-    if (provider is Function) {
+    if (e.params.containsKey('provider')) {
+      if (provider == null)
+        throw new AngelHttpException.methodNotAllowed();
+      else if (provider is Function) {
         var r = await provider(e);
-
         if (r != true) throw new AngelHttpException.methodNotAllowed();
       } else {
         _provide(p) => p is Providers ? p : new Providers(p.toString());
 
-      var providers =
+        var providers = provider is Iterable
-          provider is Iterable ? provider.map(_provide) : [_provide(provider)];
+            ? provider.map(_provide)
+            : [_provide(provider)];
 
         if (providers.any((Providers p) => p == e.params['provider'])) {
           throw new AngelHttpException.methodNotAllowed();
         }
       }
+    }
   };
 }

pubspec.yaml

@@ -1,5 +1,5 @@
 name: angel_framework
-version: 1.0.0-dev.52
+version: 1.0.0-dev.53
 description: Core libraries for the Angel framework.
 author: Tobe O <thosakwe@gmail.com>
 homepage: https://github.com/angel-dart/angel_framework