commit

src/main/java/com/example/afrishop_v3/controllers/HashtagController.java

@@ -30,6 +30,8 @@ public class HashtagController {
 
     @PostMapping(value = "/saveHashTag")
     public Hashtag saveProduct(@ModelAttribute("Hashtag") Hashtag hashtag) {
+        if( repository.existsByName(hashtag.getName()))
+            return hashtag;
         return repository.save(hashtag);
     }
 }