beautify code

src/core/article.cpp

@@ -10,8 +10,10 @@ void Article::setPrice(int price) { price_ = price; }
 
 void Article::setDescription(const std::string& description) { description_ = description; }
 
-std::string Article::getDescription() { return description_; }
-
 void Article::setSale(std::shared_ptr<Sale> salePtr) { salePtr_ = salePtr; }
 
 bool Article::isSold() { return salePtr_ ? true : false; }
+
+std::string Article::getDescription() { return description_; }
+
+Seller* Article::getSeller() { return sellerPtr_.get(); }

src/core/article.h

@@ -18,11 +18,13 @@ class Article : public Entity
     void setArticleNo(int articleNo);
     void setPrice(int price);
     void setDescription(const std::string& description);
-    std::string getDescription();
     bool isSold();
     void setSale(std::shared_ptr<Sale> salePtr);
     void setSeller(std::shared_ptr<Seller> sellerPtr);
 
+    std::string getDescription();
+    Seller* getSeller();
+
   private:
     std::shared_ptr<Seller> sellerPtr_{};
     std::shared_ptr<Sale> salePtr_{};