First pass at user activity logger on client side

interface/src/UserActivityLogger.cpp

@@ -0,0 +1,62 @@
+//
+//  UserActivityLogger.cpp
+//
+//
+//  Created by Clement on 5/21/14.
+//  Copyright 2014 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#include "UserActivityLogger.h"
+
+#include <AccountManager.h>
+
+#include <QHttpMultiPart>
+
+static const QString USER_ACTIVITY_URL = "/api/v1/user_activities";
+
+UserActivityLogger& UserActivityLogger::getInstance() {
+    static UserActivityLogger sharedInstance;
+    return sharedInstance;
+}
+
+UserActivityLogger::UserActivityLogger() {
+    
+}
+
+void UserActivityLogger::logAction(QString action, QString details) {
+    AccountManager& accountManager = AccountManager::getInstance();
+    QHttpMultiPart* multipart = new QHttpMultiPart(QHttpMultiPart::FormDataType);
+    
+    QHttpPart actionPart;
+    actionPart.setHeader(QNetworkRequest::ContentDispositionHeader, "form-data; name=\"action\"");
+    actionPart.setBody(QByteArray().append(action));
+    multipart->append(actionPart);
+    
+    
+    if (!details.isEmpty()) {
+        QHttpPart detailsPart;
+        detailsPart.setHeader(QNetworkRequest::ContentDispositionHeader, "form-data;"
+                              " name=\"details\"");
+        detailsPart.setBody(QByteArray().append(details));
+        multipart->append(detailsPart);
+    }
+    
+    accountManager.authenticatedRequest(USER_ACTIVITY_URL,
+                                        QNetworkAccessManager::PostOperation,
+                                        JSONCallbackParameters(),
+                                        NULL,
+                                        multipart);
+}
+
+void UserActivityLogger::login() {
+    const QString ACTION_NAME = "login";
+    logAction(ACTION_NAME);
+}
+
+void UserActivityLogger::logout() {
+    const QString ACTION_NAME = "logout";
+    logAction(ACTION_NAME);
+}

interface/src/UserActivityLogger.h

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+//
+//  UserActivityLogger.h
+//
+//
+//  Created by Clement on 5/21/14.
+//  Copyright 2014 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#ifndef hifi_UserActivityLogger_h
+#define hifi_UserActivityLogger_h
+
+#include <QString>
+
+class UserActivityLogger {
+public:
+    static UserActivityLogger& getInstance();
+    
+    void login();
+    void logout();
+    
+private:
+    UserActivityLogger();
+    void logAction(QString action, QString details = QString());
+};
+
+#endif // hifi_UserActivityLogger_h