update proj

user.repository.js

@@ -0,0 +1,53 @@
+import { pool } from "./db.js";
+
+export const UserRepository = {
+
+  async createOrUpdateUser({ telegramId, username, chatId }) {
+    const query = `
+      INSERT INTO users (telegram_id, telegram_username, chat_id, last_msg_context)
+      VALUES ($1, $2, $3, '')
+      ON CONFLICT (telegram_id)
+      DO UPDATE SET
+        telegram_username = EXCLUDED.telegram_username,
+        chat_id = EXCLUDED.chat_id,
+        last_msg_context = '',
+        updated_at = now()
+      RETURNING *;
+    `;
+
+    const values = [telegramId, username, chatId];
+
+    const { rows } = await pool.query(query, values);
+    return rows[0];
+  },
+
+  async getByTelegramId(telegramId) {
+    const { rows } = await pool.query(
+      `SELECT * FROM users WHERE telegram_id = $1`,
+      [telegramId]
+    );
+    return rows[0];
+  },
+
+  async updateContext(telegramId, context) {
+    await pool.query(
+      `UPDATE users SET last_msg_context = $1 WHERE telegram_id = $2`,
+      [context, telegramId]
+    );
+  },
+
+  async getContext(telegramId) {
+    const { rows } = await pool.query(
+      `SELECT last_msg_context FROM users WHERE telegram_id = $1`,
+      [telegramId]
+    );
+    return rows[0]?.last_msg_context;
+  },
+
+  async deleteUser(telegramId) {
+    await pool.query(
+      `DELETE FROM users WHERE telegram_id = $1`,
+      [telegramId]
+    );
+  }
+};