Client-side 'on' not working :(

README.md

@@ -27,21 +27,24 @@ main() async {
 
 **Adding Handlers within a Controller**
 
+`WebSocketController` extends a normal `Controller`, but also listens to WebSockets.
+
 ```dart
 import 'dart:async';
 import "package:angel_framework/angel_framework.dart";
 import "package:angel_websocket/server.dart";
 
 @Expose("/")
-class MyController extends Controller {
+class MyController extends WebSocketController {
   @override
-  Future call(AngelBase app) async {
+  void onConnect(WebSocketContext socket) {
-    var ws = app.container.make(AngelWebSocket);
+    // On connect...
-    ws.onConnection.listen((WebSocketContext socket) {
+  }
-      socket.on["message"].listen((WebSocketEvent e) {
+  
-        socket.send("new_message", { "text": e.data["text"] });
+  // Dependency injection works, too..
-      });
+  @ExposeWs("read_message")
-    });
+  void sendMessage(WebSocketContext socket, Db db) async {
+    socket.send("found_message", db.collection("messages").findOne(where.id("...")));
   }
 }
 ```

lib/cli.dart

@@ -12,13 +12,16 @@ class WebSocketClient extends Angel {
   WebSocket _socket;
   Map<Pattern, List<WebSocketService>> _services = {};
   WebSocket get underlyingSocket => _socket;
+  _WebSocketEventTable on = new _WebSocketEventTable();
 
   WebSocketClient(String wsEndpoint) : super(wsEndpoint);
 
-  onData(data) {
+  onData(data) async {
     var fromJson = JSON.decode(data);
+    print("a: $fromJson");
     var e = new WebSocketEvent(
         eventName: fromJson['eventName'], data: fromJson['data']);
+    print("b: $e");
     var split = e.eventName.split("::");
     var serviceName = split[0];
     var services = _services[serviceName];
@@ -30,7 +33,10 @@ class WebSocketClient extends Angel {
       exc.errors = exc.errors ?? [];
       exc.errors.addAll(e.data['errors'] ?? []);
       throw exc;
-    } else if (services != null) {
+    } else {
+      on._getStreamForEvent(serviceName).add(e.data);
+
+      if (services != null) {
         e.eventName = split[1];
 
         for (WebSocketService service in services) {
@@ -65,6 +71,7 @@ class WebSocketClient extends Angel {
         }
       }
     }
+  }
 
   Future connect() async {
     _socket = await WebSocket.connect(basePath);
@@ -72,10 +79,7 @@ class WebSocketClient extends Angel {
   }
 
   void send(String eventName, data) {
-    _socket.add(JSON.encode({
+    _socket.add(JSON.encode({"eventName": eventName, "data": data}));
-      "eventName": eventName,
-      "data": data
-    }));
   }
 
   @override
@@ -112,7 +116,8 @@ class _WebSocketServiceTransformer
 
     stream.listen((WebSocketEvent e) {
       if (_outputType != null && e.eventName != "error")
-        e.data = god.deserialize(god.serialize(e.data), outputType: _outputType);
+        e.data =
+            god.deserialize(god.serialize(e.data), outputType: _outputType);
       _stream.add(e);
     });
 
@@ -205,3 +210,15 @@ class WebSocketService extends Service {
         eventName: "$_path::remove", id: id, params: params)));
   }
 }
+
+class _WebSocketEventTable {
+  Map<String, StreamController<Map>> _handlers = {};
+
+  StreamController<Map> _getStreamForEvent(eventName) {
+    if (!_handlers.containsKey(eventName))
+      _handlers[eventName] = new StreamController<Map>.broadcast();
+    return _handlers[eventName];
+  }
+
+  Stream<Map> operator [](String key) => _getStreamForEvent(key).stream;
+}

lib/server.dart

@@ -3,6 +3,7 @@ library angel_websocket.server;
 import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
+import 'dart:mirrors';
 import 'package:angel_framework/angel_framework.dart';
 import 'package:json_god/json_god.dart' as god;
 import 'package:merge_map/merge_map.dart';
@@ -10,10 +11,7 @@ import 'angel_websocket.dart';
 export 'angel_websocket.dart';
 
 part 'websocket_context.dart';
-
+part 'websocket_controller.dart';
-class Realtime {
-  const Realtime();
-}
 
 class AngelWebSocket extends AngelPlugin {
   Angel _app;
@@ -130,7 +128,7 @@ class AngelWebSocket extends AngelPlugin {
 
       if (fromJson is Map && fromJson.containsKey("eventName")) {
         socket._onAll.add(fromJson);
-        socket.on._getStreamForEvent(fromJson["eventName"].toString()).add(fromJson);
+        socket.on._getStreamForEvent(fromJson["eventName"].toString()).add(fromJson["data"]);
       }
 
       if (action.eventName.contains("::")) {

lib/websocket_controller.dart

@@ -0,0 +1,103 @@
+part of angel_websocket.server;
+
+class ExposeWs {
+  final String eventName;
+
+  const ExposeWs(this.eventName);
+}
+
+class WebSocketController extends Controller {
+  Map<String, MethodMirror> _handlers = {};
+  Map<String, Symbol> _handlerSymbols = {};
+  InstanceMirror _instanceMirror;
+  AngelWebSocket ws;
+
+  WebSocketController():super() {
+    _instanceMirror = reflect(this);
+  }
+
+  @override
+  Future call(Angel app) async {
+    await super.call(app);
+
+    ClassMirror classMirror = reflectClass(this.runtimeType);
+    classMirror.instanceMembers.forEach((sym, mirror) {
+      if (mirror.isRegularMethod) {
+        InstanceMirror exposeMirror = mirror.metadata.firstWhere(
+            (mirror) => mirror.reflectee is ExposeWs,
+            orElse: () => null);
+
+        if (exposeMirror != null) {
+          ExposeWs exposeWs = exposeMirror.reflectee;
+          _handlers[exposeWs.eventName] = mirror;
+          _handlerSymbols[exposeWs.eventName] = sym;
+        }
+      }
+    });
+
+    AngelWebSocket ws = app.container.make(AngelWebSocket);
+
+    ws.onConnection.listen((socket) async {
+      await onConnect(socket);
+
+      socket.onData.listen(onData);
+
+      socket.onAll.listen((Map data) async {
+        await onAllEvents(data);
+
+        if (_handlers.containsKey(data["eventName"])) {
+          var methodMirror = _handlers[data["eventName"]];
+          try {
+            // Load parameters, and execute
+            List args = [];
+
+            for (int i = 0; i < methodMirror.parameters.length; i++) {
+              ParameterMirror parameter = methodMirror.parameters[i];
+              String name = MirrorSystem.getName(parameter.simpleName);
+
+              if (parameter.type.reflectedType == RequestContext ||
+                  name == "req")
+                args.add(socket.requestContext);
+              else if (parameter.type.reflectedType == ResponseContext ||
+                  name == "res")
+                args.add(socket.responseContext);
+              else if (parameter.type == AngelWebSocket)
+                args.add(socket);
+              else {
+                if (socket.requestContext.params.containsKey(name)) {
+                  args.add(socket.requestContext.params[name]);
+                } else {
+                  try {
+                    args.add(app.container.make(parameter.type.reflectedType));
+                    continue;
+                  } catch (e) {
+                    throw new AngelHttpException.BadRequest(
+                        message: "Missing parameter '$name'");
+                  }
+                }
+              }
+            }
+
+            await _instanceMirror.invoke(_handlerSymbols[data["eventName"]], args);
+          } catch (e) {
+            // Send an error
+            if (e is AngelHttpException)
+              socket.sendError(e);
+            else
+              socket.sendError(new AngelHttpException(e));
+          }
+        }
+      });
+    });
+  }
+
+  void broadcast(String eventName, data) {
+    ws.batchEvent(new WebSocketEvent(eventName: eventName, data: data));
+  }
+
+  Future onConnect(WebSocketContext socket) async {}
+
+  Future onAllEvents(Map data) async {}
+
+  void onData(data) {}
+}

test/server.dart

@@ -12,6 +12,7 @@ main() {
   client.WebSocketClient clientApp;
   client.WebSocketService clientTodos;
   Stream<Map> customEventStream;
+  Stream<Map> customEventStream2;
   WebSocket socket;
   AngelWebSocket webSocket = new AngelWebSocket("/ws");
 
@@ -36,11 +37,13 @@ main() {
         customEventStream = socket.on["custom"];
       });
     });
+    await app.configure(new Custom2Controller());
     await app.configure(startTestServer);
 
     socket = await WebSocket.connect(app.properties["ws_url"]);
     clientApp = new client.WebSocketClient(app.properties["ws_url"]);
     await clientApp.connect();
+    customEventStream2 = clientApp.on["custom2"];
 
     clientTodos = clientApp.service("api/todos", type: Todo);
   });
@@ -61,8 +64,7 @@ main() {
     String json = await socket.first;
     print(json);
 
-    WebSocketEvent e =
+    WebSocketEvent e = god.deserialize(json, outputType: WebSocketEvent);
-    god.deserialize(json, outputType: WebSocketEvent);
     expect(e.eventName, equals("api/todos::indexed"));
     expect(e.data[0]["when"], equals("now"));
   });
@@ -87,10 +89,29 @@ main() {
 
     var data = await customEventStream.first;
 
-    expect(data["eventName"], equals("custom"));
+    expect(data["hello"], equals("world"));
-    expect(data["data"]["hello"], equals("world"));
+  });
+
+  test("custom event via ws controller", () async {
+    clientApp.send("custom2", {"hello": "world"});
+
+    var data = customEventStream2.first;
+    print("Received data from server: $data");
   });
 }
 
-@Realtime()
 class FakeService extends server.Service {}
+
+@server.Expose("/custom2")
+class Custom2Controller extends WebSocketController {
+  @override
+  Future onConnect(WebSocketContext socket) async {
+    print(
+        "Got a WS connection from session #${socket.requestContext.session.id}!");
+  }
+
+  @ExposeWs("custom2")
+  void sayFoo(WebSocketContext socket, server.RequestContext req, AngelWebSocket ws) {
+    socket.send("custom2", {"franken": "stein"});
+  }
+}