remove unneccessary this-> prefixes

src/StorageEditor/StorageEditor.cpp

@@ -2,29 +2,29 @@
 
 StorageEditor::StorageEditor() { }
 
-StorageEditor::StorageEditor(const std::shared_ptr<WarenStorage> storage) {
-    this->storage = storage;
+StorageEditor::StorageEditor(std::shared_ptr<WarenStorage> storage) {
+    this->storage = std::make_shared<WarenStorage>(new WarenStorage());
 }
 
-WarenStorage StorageEditor::getWarenStorage() const {
+std::shared_ptr<WarenStorage> StorageEditor::getWarenStorage() const {
     return storage;
 }
 
 void StorageEditor::setWarenStorage(const WarenStorage storage) {
-    this->storage = storage;
+    this->storage = std::make_shared<WarenStorage>(storage);
 }
 
 
 void StorageEditor::addWaren(const Ware ware, int amount) {
     for(auto i = 0; i < amount; i++) {
-        storage.addWareAndGenerateId(ware);
+        storage->addWareAndGenerateId(ware);
     }
 }
 
 
 void StorageEditor::removeWaren(const std::string& name, const int amount) {
     for(auto i = 0; i < amount; i++) {
-        storage.removeWare(name);
+        storage->removeWare(name);
     }
 }