merge user services

src/main/java/wtf/beatrice/releasehive/services/UserService.java

@@ -1,6 +1,7 @@
 package wtf.beatrice.releasehive.services;
 
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.security.core.userdetails.UsernameNotFoundException;
 import org.springframework.stereotype.Service;
 import wtf.beatrice.releasehive.models.User;
 import wtf.beatrice.releasehive.repositories.UserRepository;
@@ -20,4 +21,11 @@ public class UserService
         return userRepository.findAll();
     }
 
+    public User loadUserByUsername(String username) throws UsernameNotFoundException {
+        return userRepository.findByUsername(username).orElseThrow(() -> new UsernameNotFoundException(username));
+    }
+
+    public User loadUserByEmail(String email) throws UsernameNotFoundException {
+        return userRepository.findByEmail(email).orElseThrow(() -> new UsernameNotFoundException(email));
+    }
 }