Adding Android impl to session namespace

Author: fhboswell

android/src/main/java/com/onesignal/flutter/OneSignalPlugin.java

@@ -48,6 +48,7 @@ private void init(Context context, BinaryMessenger messenger)
 
     OneSignalDebug.registerWith(messenger);
     OneSignalLocation.registerWith(messenger);
+    OneSignalSession.registerWith(messenger);
     // OneSignalTagsController.registerWith(messenger);
     // OneSignalInAppMessagingController.registerWith(messenger);
     // OneSignalOutcomeEventsController.registerWith(messenger);

android/src/main/java/com/onesignal/flutter/OneSignalSession.java

@@ -0,0 +1,80 @@
+package com.onesignal.flutter;
+
+import com.onesignal.OneSignal;
+
+import java.util.HashMap;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import io.flutter.plugin.common.BinaryMessenger;
+import io.flutter.plugin.common.MethodCall;
+import io.flutter.plugin.common.MethodChannel;
+import io.flutter.plugin.common.MethodChannel.MethodCallHandler;
+import io.flutter.plugin.common.MethodChannel.Result;
+import io.flutter.plugin.common.PluginRegistry;
+import io.flutter.plugin.common.PluginRegistry.Registrar;
+
+public class OneSignalSession extends FlutterRegistrarResponder implements MethodCallHandler {
+    private MethodChannel channel;
+
+    static void registerWith(BinaryMessenger messenger) {
+        OneSignalSession controller = new OneSignalSession();
+        controller.messenger = messenger;
+        controller.channel = new MethodChannel(messenger, "OneSignal#session");
+        controller.channel.setMethodCallHandler(controller);
+    }
+
+    @Override
+    public void onMethodCall(MethodCall call, Result result) {
+        if (call.method.contentEquals("OneSignal#addOutcome"))
+            this.addOutcome(call, result);
+        else if (call.method.contentEquals("OneSignal#addUniqueOutcome"))
+            this.addUniqueOutcome(call, result);
+        else if (call.method.contentEquals("OneSignal#addOutcomeWithValue"))
+            this.addOutcomeWithValue(call, result);
+        else
+            replyNotImplemented(result);
+    }
+
+    private void addOutcome(MethodCall call, Result result) {
+        String name = (String) call.arguments;
+
+        if (name == null || name.isEmpty()) {
+            replyError(result, "OneSignal", "addOutcome() name must not be null or empty", null);
+            return;
+        }
+
+        OneSignal.getSession().addOutcome(name);
+        replySuccess(result, null);
+    }
+
+    private void addUniqueOutcome(MethodCall call, Result result) {
+        String name = (String) call.arguments;
+
+        if (name == null || name.isEmpty()) {
+            replyError(result, "OneSignal", "sendUniqueOutcome() name must not be null or empty", null);
+            return;
+        }
+
+        OneSignal.getSession().addUniqueOutcome(name);
+        replySuccess(result, null);
+    }
+
+    private void addOutcomeWithValue(MethodCall call, Result result) {
+        String name = call.argument("outcome_name");
+        Double value = call.argument("outcome_value");
+
+        if (name == null || name.isEmpty()) {
+            replyError(result, "OneSignal", "sendOutcomeWithValue() name must not be null or empty", null);
+            return;
+        }
+
+        if (value == null) {
+            replyError(result, "OneSignal", "sendOutcomeWithValue() value must not be null", null);
+            return;
+        }
+
+        OneSignal.getSession().addOutcomeWithValue(name, value.floatValue());
+        replySuccess(result, null);
+    }
+
+}