Index: sources/cloudsync/CloudSyncController.cpp
===================================================================
diff -u -re961fc7bcdeba8ffab9c96da20244b07405f8f99 -r2b671abf713c1e0cdaab0ebafdbf7087aebab176
--- sources/cloudsync/CloudSyncController.cpp	(.../CloudSyncController.cpp)	(revision e961fc7bcdeba8ffab9c96da20244b07405f8f99)
+++ sources/cloudsync/CloudSyncController.cpp	(.../CloudSyncController.cpp)	(revision 2b671abf713c1e0cdaab0ebafdbf7087aebab176)
@@ -18,13 +18,10 @@
 #include <QtConcurrent/QtConcurrent>
 
 // Project
-#include "MainTimer.h"
 #include "MessageDispatcher.h"
 #include "ApplicationController.h"
-#include "GuiController.h"
 #include "DeviceController.h"
 #include "FileHandler.h"
-#include "crc.h"
 #include "TreatmentLog.h"
 
 SINGLETON_DISABLE(CloudSyncController)
@@ -239,7 +236,7 @@
 
     if ( vContent.isEmpty() )                                                               { error = eError_OutFileEmpty; ok = false; goto lErr; }
 
-    lines = vContent.split('\n',QString::SkipEmptyParts);
+    lines = vContent.split('\n',Qt::SkipEmptyParts);
     buffer = lines.last();
     // DEBUG: LOG_DEBUG(QString("CS [%1]").arg(buffer));
 
@@ -269,12 +266,10 @@
     if ( eMessageID_Start > message.id || message.id > eMessageID_Count )                   { error = eError_InvalidID      ; ok = false; goto lErr; }
 
     // getting the parameters
-    for ( quint32 index = eMessage_Count; index < eMessage_Count + message.paramCount; index++ ) {
-        message.params.append( items[index] );
+    for ( quint32 i = eMessage_Count; i < eMessage_Count + message.paramCount; i++ ) {
+        message.params.append( items[i] );
     }
 
-
-
     vMessage = message;
     return true;
 
@@ -333,6 +328,7 @@
     case eError_CredentialEmpty : text = tr( "CS The credentials folder is empty."      ) ; break;
     case eError_TxCodeNoParam   : text = tr( "CS No Treatment Code provided."           ) ; break;
     case eError_TxCodeEmpty     : text = tr( "CS The provided Treatment Code is empty." ) ; break;
+    case eError_NotRegistered   : text = tr( "CS Not Sent, Device not registered."      ) ; break;
     }
     return text;
 }
@@ -374,6 +370,7 @@
     case eError_CredentialEmpty : info = QString( "[%1:%2]"     ).arg( vErrorID ).arg( item(0) )                ; break;
     case eError_TxCodeNoParam   : info = QString( "[%1:%2]"     ).arg( vErrorID ).arg( item(0) )                ; break;
     case eError_TxCodeEmpty     : info = QString( "[%1:%2]"     ).arg( vErrorID ).arg( item(0) )                ; break;
+    case eError_NotRegistered   : info = QString( "[%1:%2]"     ).arg( vErrorID ).arg( item(0) )                ; break;
     }
     return info;
 }
@@ -553,8 +550,10 @@
     QVariantList    args  ;
     Errors_Enum     error = eError_Unknown;
 
+    // only sends messages if device has been registered
     qint32 messageID = UI2CS(static_cast<MessageID_Enum>(vAction));
-    if ( ! _uiHistory.contains( messageID ) ) { error = eError_NoHistory; args = { messageID }; ok = false; goto lErr; }
+    if ( ! isRegistered() && vAction != eMessageID_DeviceRegister ) { error = eError_NotRegistered  ; args = { messageID }; ok = false; goto lErr; }
+    if ( ! _uiHistory.contains( messageID )                       ) { error = eError_NoHistory      ; args = { messageID }; ok = false; goto lErr; }
 
     sendUIBuff(makeUIBuff(messageID));
 
@@ -821,18 +820,28 @@
  */
 bool CloudSyncController::testDeviceRegister()
 {
-    QString         source      = QString(Storage::CloudSync_Base_Path_Name) + Storage::CloudSync_Credentials_Folder_Name;
-    qDebug() << source;
-    QFileInfoList   fileInfos   = QDir(source).entryInfoList(QDir::NoDotAndDotDot|QDir::Files);
-    if( fileInfos.isEmpty() ) {
-        toLog(eError_CredentialEmpty,{}); // It is intentional that the vault folder path has not been sent to the log.
+    toLog(eError_CredentialEmpty,{}); // It is intentional that the vault folder path has not been sent to the log.
+    if( ! isRegistered() ) {
         sendDeviceRegister();
     }
 
     return true; // for now always true.
 }
 
 /*!
+ * \brief   CloudSyncController::isRegistered
+ * \details checks if the device is registered by looking for existing credentials.
+ * \return  true if device has been registered.
+ */
+bool CloudSyncController::isRegistered()
+{
+    QString         source      = QString(Storage::CloudSync_Base_Path_Name) + Storage::CloudSync_Credentials_Folder_Name;
+    qDebug() << source;
+    QFileInfoList   fileInfos   = QDir(source).entryInfoList(QDir::NoDotAndDotDot|QDir::Files);
+    return !fileInfos.isEmpty();
+}
+
+/*!
  * \brief   CloudSyncController::saveDeviceInfo
  * \details keeps the received device information and set a flag to wait for the next message.
  * \param   vAction - the action enum which identifies information source of HD or DG.