Restructure category refresh action

- Remove plugins class
- Route signals to run Nexus API call from MainWindow
- Pass Dialog instance to route response data
- Revert CategoryFactory::instance to return reference

1 files changed, 8 insertions, 3 deletions

diff --git a/src/categories.cpp b/src/categories.cpp
index 18cee4f9..5d0d2bb7 100644
--- a/src/categories.cpp
+++ b/src/categories.cpp
@@ -146,10 +146,10 @@ void CategoryFactory::loadCategories()
     loadDefaultCategories();
 }
 
-CategoryFactory* CategoryFactory::instance()
+CategoryFactory& CategoryFactory::instance()
 {
   static CategoryFactory s_Instance;
-  return &s_Instance;
+  return s_Instance;
 }
 
 void CategoryFactory::reset()
@@ -285,7 +285,7 @@ void CategoryFactory::addCategory(int id, const QString& name,
 void CategoryFactory::setNexusCategories(
     std::vector<CategoryFactory::NexusCategory>& nexusCats)
 {
-  m_NexusMap.empty();
+  m_NexusMap.clear();
   for (auto nexusCat : nexusCats) {
     m_NexusMap.emplace(nexusCat.m_ID, nexusCat);
   }
@@ -293,6 +293,11 @@ void CategoryFactory::setNexusCategories(
   saveCategories();
 }
 
+void CategoryFactory::refreshNexusCategories(CategoriesDialog* dialog)
+{
+  emit nexusCategoryRefresh(dialog);
+}
+
 void CategoryFactory::loadDefaultCategories()
 {
   // the order here is relevant as it defines the order in which the