v0

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

@@ -0,0 +1,84 @@
+package su.xserver.iikocon;
+
+import io.vertx.core.Future;
+import io.vertx.core.json.JsonArray;
+import io.vertx.core.json.JsonObject;
+import io.vertx.sqlclient.Pool;
+import io.vertx.sqlclient.Row;
+import io.vertx.sqlclient.templates.SqlTemplate;
+import org.mindrot.jbcrypt.BCrypt;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+public class UserService {
+  private final Pool pool;
+
+  public UserService(Pool pool) {
+    this.pool = pool;
+  }
+
+  public Future<Void> initDatabase() {
+    String createTable = """
+      CREATE TABLE IF NOT EXISTS users (
+        id INT AUTO_INCREMENT PRIMARY KEY,
+        login VARCHAR(255) UNIQUE NOT NULL,
+        password VARCHAR(255) NOT NULL,
+        created TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+        updated TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+        ip VARCHAR(45)
+      )
+      """;
+    return pool.query(createTable).execute().mapEmpty();
+  }
+
+  public Future<Long> countUsers() {
+    return pool.query("SELECT COUNT(*) AS cnt FROM users").execute()
+      .map(rows -> rows.iterator().next().getLong("cnt"));
+  }
+
+  public Future<Void> createUser(String login, String password, String ip) {
+    String hash = BCrypt.hashpw(password, BCrypt.gensalt());
+    Map<String, Object> params = new HashMap<>();
+    params.put("login", login);
+    params.put("password", hash);
+    params.put("ip", ip);
+    return SqlTemplate.forUpdate(pool, "INSERT INTO users (login, password, ip) VALUES (#{login}, #{password}, #{ip})")
+      .execute(params)
+      .mapEmpty();
+  }
+
+  public Future<JsonObject> findByLogin(String login) {
+    return SqlTemplate.forQuery(pool, "SELECT id, login, password, created, updated, ip FROM users WHERE login = #{login}")
+      .mapTo(row -> new JsonObject()
+        .put("id", row.getInteger("id"))
+        .put("login", row.getString("login"))
+        .put("password", row.getString("password"))
+        .put("created", row.getLocalDateTime("created").toString())
+        .put("updated", row.getLocalDateTime("updated").toString())
+        .put("ip", row.getString("ip")))
+      .execute(Collections.singletonMap("login", login))
+      .map(rows -> rows.iterator().hasNext() ? rows.iterator().next() : null);
+  }
+
+  public Future<JsonArray> getAllUsers() {
+    return pool.query("SELECT id, login, created, updated, ip FROM users ORDER BY id").execute()
+      .map(rows -> {
+        JsonArray array = new JsonArray();
+        for (Row row : rows) {
+          array.add(new JsonObject()
+            .put("id", row.getInteger("id"))
+            .put("login", row.getString("login"))
+            .put("created", row.getLocalDateTime("created").toString())
+            .put("updated", row.getLocalDateTime("updated").toString())
+            .put("ip", row.getString("ip")));
+        }
+        return array;
+      });
+  }
+
+  public boolean checkPassword(String plain, String hash) {
+    return BCrypt.checkpw(plain, hash);
+  }
+}