Старт

2025-12-04 12:20:47 +03:00
commit ff9301eddb
79 changed files with 4655 additions and 0 deletions
@@ -0,0 +1,136 @@
+package shine.db.dao;
+
+import shine.db.SqliteDbController;
+import shine.db.entities.UserParam;
+
+import java.sql.*;
+import java.util.ArrayList;
+import java.util.List;
+
+/** Здесь зраним сохранённые параметры пользователей (в основном до каково сообщения просмотрены ленты) */
+
+public final class UserParamsDAO {
+
+    private static volatile UserParamsDAO instance;
+    private final SqliteDbController db = SqliteDbController.getInstance();
+
+    private UserParamsDAO() {
+    }
+
+    public static UserParamsDAO getInstance() {
+        if (instance == null) {
+            synchronized (UserParamsDAO.class) {
+                if (instance == null) {
+                    instance = new UserParamsDAO();
+                }
+            }
+        }
+        return instance;
+    }
+
+    /**
+     * UPSERT методом ON CONFLICT — одним SQL-запросом.
+     * Если запись существует -> обновляем поля.
+     * Если нет -> вставляем новую запись.
+     */
+    public void upsert(UserParam param) throws SQLException {
+        String sql = """
+            INSERT INTO users_params (
+                loginId,
+                param,
+                bch_channel_id,
+                value,
+                time_ms,
+                pubkey_num,
+                signature
+            ) VALUES (?, ?, ?, ?, ?, ?, ?)
+            ON CONFLICT(loginId, param)
+            DO UPDATE SET
+                bch_channel_id = excluded.bch_channel_id,
+                value          = excluded.value,
+                time_ms        = excluded.time_ms,
+                pubkey_num     = excluded.pubkey_num,
+                signature      = excluded.signature
+            """;
+
+        try (PreparedStatement ps = db.getConnection().prepareStatement(sql)) {
+            ps.setLong(1, param.getLoginId());
+            ps.setString(2, param.getParam());
+            ps.setLong(3, param.getBchChannelId());
+            ps.setString(4, param.getValue());
+            ps.setLong(5, param.getTimeMs());
+            ps.setInt(6, param.getPubkeyNum());
+            ps.setString(7, param.getSignature());
+            ps.executeUpdate();
+        }
+    }
+
+    /**
+     * Получить параметр по loginId + param.
+     */
+    public UserParam getByUserIdAndParam(long loginId, String paramName) throws SQLException {
+        String sql = """
+            SELECT
+                loginId,
+                param,
+                bch_channel_id,
+                value,
+                time_ms,
+                pubkey_num,
+                signature
+            FROM users_params
+            WHERE loginId = ? AND param = ?
+            """;
+
+        try (PreparedStatement ps = db.getConnection().prepareStatement(sql)) {
+            ps.setLong(1, loginId);
+            ps.setString(2, paramName);
+            try (ResultSet rs = ps.executeQuery()) {
+                if (!rs.next()) return null;
+                return mapRow(rs);
+            }
+        }
+    }
+
+    /**
+     * Получить все параметры пользователя.
+     */
+    public List<UserParam> getByUserId(long loginId) throws SQLException {
+        String sql = """
+            SELECT
+                loginId,
+                param,
+                bch_channel_id,
+                value,
+                time_ms,
+                pubkey_num,
+                signature
+            FROM users_params
+            WHERE loginId = ?
+            ORDER BY time_ms DESC
+            """;
+
+        List<UserParam> result = new ArrayList<>();
+
+        try (PreparedStatement ps = db.getConnection().prepareStatement(sql)) {
+            ps.setLong(1, loginId);
+            try (ResultSet rs = ps.executeQuery()) {
+                while (rs.next()) result.add(mapRow(rs));
+            }
+        }
+
+        return result;
+    }
+
+    private UserParam mapRow(ResultSet rs) throws SQLException {
+        return new UserParam(
+                rs.getLong("loginId"),
+                rs.getString("param"),
+                rs.getLong("bch_channel_id"),
+                rs.getString("value"),
+                rs.getLong("time_ms"),
+                (short) rs.getInt("pubkey_num"),
+                rs.getString("signature")
+        );
+    }
+}