do not allow tag operations on some accounts

src/librssguard/services/abstract/labelsnode.cpp

@@ -54,7 +54,8 @@ QList<QAction*> LabelsNode::contextMenuFeedsList() {
 }
 
 void LabelsNode::createLabel() {
-  if ((getParentServiceRoot()->supportedLabelOperations() & ServiceRoot::LabelOperation::Adding) == ServiceRoot::LabelOperation::Adding) {
+  if ((getParentServiceRoot()->supportedLabelOperations() & ServiceRoot::LabelOperation::Adding) ==
+      ServiceRoot::LabelOperation::Adding) {
     FormAddEditLabel frm(qApp->mainFormWidget());
     Label* new_lbl = frm.execForAdd();
 

src/librssguard/services/feedly/feedlyserviceroot.cpp

@@ -190,6 +190,10 @@ void FeedlyServiceRoot::saveAllCachedData(bool ignore_errors) {
   }
 }
 
+ServiceRoot::LabelOperation FeedlyServiceRoot::supportedLabelOperations() const {
+  return LabelOperation(0);
+}
+
 void FeedlyServiceRoot::updateTitle() {
   setTitle(QString("%1 (Feedly)").arg(TextFactory::extractUsernameFromEmail(m_network->username())));
 }

src/librssguard/services/feedly/feedlyserviceroot.h

@@ -22,6 +22,7 @@ class FeedlyServiceRoot : public ServiceRoot, public CacheForServiceRoot {
     virtual void start(bool freshly_activated);
     virtual QString code() const;
     virtual void saveAllCachedData(bool ignore_errors);
+    virtual LabelOperation supportedLabelOperations() const;
 
     FeedlyNetwork* network() const;
 

src/librssguard/services/greader/greaderserviceroot.cpp

@@ -140,6 +140,10 @@ void GreaderServiceRoot::saveAllCachedData(bool ignore_errors) {
   }
 }
 
+ServiceRoot::LabelOperation GreaderServiceRoot::supportedLabelOperations() const {
+  return LabelOperation(0);
+}
+
 void GreaderServiceRoot::updateTitleIcon() {
   setTitle(QString("%1 (%2)").arg(TextFactory::extractUsernameFromEmail(m_network->username()),
                                   m_network->serviceToString(m_network->service())));

src/librssguard/services/greader/greaderserviceroot.h

@@ -30,6 +30,7 @@ class GreaderServiceRoot : public ServiceRoot, public CacheForServiceRoot {
     virtual void start(bool freshly_activated);
     virtual QString code() const;
     virtual void saveAllCachedData(bool ignore_errors);
+    virtual LabelOperation supportedLabelOperations() const;
 
     GreaderNetwork* network() const;