up frontend

src/main/java/su/xserver/iikocon/service/UserService.java

@@ -9,9 +9,7 @@ import io.vertx.sqlclient.Tuple;
 import io.vertx.sqlclient.templates.SqlTemplate;
 import org.mindrot.jbcrypt.BCrypt;
 
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.Map;
+import java.util.*;
 
 public class UserService {
   private final Pool pool;
@@ -159,16 +157,30 @@ public class UserService {
   public Future<Void> updateProfile(int userId, String email, String password, String language) {
     Map<String, Object> params = new HashMap<>();
     params.put("id", userId);
-    params.put("email", email);
-    if (language != null) params.put("language", language);
-    String sql;
+    List<String> setClauses = new ArrayList<>();
+
+    if (email != null) {
+      setClauses.add("email = #{email}");
+      params.put("email", email);
+    }
+
     if (password != null && !password.isEmpty()) {
       String hash = BCrypt.hashpw(password, BCrypt.gensalt());
+      setClauses.add("password = #{password}");
       params.put("password", hash);
-      sql = "UPDATE users SET email = #{email}, password = #{password}, language = COALESCE(#{language}, language) WHERE id = #{id}";
-    } else {
-      sql = "UPDATE users SET email = #{email}, language = COALESCE(#{language}, language) WHERE id = #{id}";
     }
+
+    if (language != null) {
+      setClauses.add("language = #{language}");
+      params.put("language", language);
+    }
+
+    if (setClauses.isEmpty()) {
+      // Ни одно поле не обновляется — возвращаем успешный Future
+      return Future.succeededFuture();
+    }
+
+    String sql = "UPDATE users SET " + String.join(", ", setClauses) + " WHERE id = #{id}";
     return SqlTemplate.forUpdate(pool, sql).execute(params).mapEmpty();
   }