Added roles

restservice/src/main/java/com/plannaplan/security/AuthenticationProvider.java

@@ -1,6 +1,8 @@
 package com.plannaplan.security;
 
+import java.util.Arrays;
 import java.util.Collection;
+import java.util.List;
 
 import com.plannaplan.entities.User;
 import com.plannaplan.services.UserService;
@@ -40,8 +42,10 @@ public class AuthenticationProvider extends AbstractUserDetailsAuthenticationPro
 
             @Override
             public Collection<? extends GrantedAuthority> getAuthorities() {
-                // is being done in other task
-                return null;
+                final AuthorityRoles role = AuthorityRoles.getAuthorityRole(user.getRole())
+                        .orElseThrow(() -> new NullPointerException("Failed to get user role"));
+                final List<AuthorityRoles> response = Arrays.asList(role);
+                return response;
             }
 
             @Override

restservice/src/main/java/com/plannaplan/security/AuthorityRoles.java

@@ -0,0 +1,38 @@
+package com.plannaplan.security;
+
+import java.util.Optional;
+
+import com.plannaplan.types.UserRoles;
+
+import org.springframework.security.core.GrantedAuthority;
+
+public enum AuthorityRoles implements GrantedAuthority {
+    STUDENT("ROLE_STUDENT"), DEANERY("ROLE_DEANERY"), ADMIN("ROLE_ADMIN"), TEST_USER("ROLE_TESTUSER");
+
+    private String role;
+
+    AuthorityRoles(String role) {
+        this.role = role;
+    }
+
+    @Override
+    public String getAuthority() {
+        return this.role;
+    }
+
+    public static final Optional<AuthorityRoles> getAuthorityRole(UserRoles role) {
+        switch (role) {
+            case ADMIN:
+                return Optional.of(AuthorityRoles.ADMIN);
+            case DEANERY:
+                return Optional.of(AuthorityRoles.DEANERY);
+            case STUDENT:
+                return Optional.of(AuthorityRoles.STUDENT);
+            case TEST_USER:
+                return Optional.of(AuthorityRoles.TEST_USER);
+            default:
+                return Optional.empty();
+        }
+    }
+
+}