feat: новая функция

backend/services/footerDleService.js

@@ -0,0 +1,83 @@
+/**
+ * Copyright (c) 2024-2025 Тарабанов Александр Викторович
+ * All rights reserved.
+ *
+ * This software is proprietary and confidential.
+ * Unauthorized copying, modification, or distribution is prohibited.
+ *
+ * For licensing inquiries: info@hb3-accelerator.com
+ * Website: https://hb3-accelerator.com
+ * GitHub: https://github.com/VC-HB3-Accelerator
+ */
+
+const logger = require('../utils/logger');
+const { getSecret, setSecret } = require('./secretStore');
+
+const FOOTER_DLE_KEY = 'FOOTER_DLE_SELECTION';
+
+function parseSelection(rawValue) {
+  if (!rawValue) {
+    return null;
+  }
+
+  if (typeof rawValue === 'object') {
+    return rawValue;
+  }
+
+  if (typeof rawValue === 'string') {
+    try {
+      return JSON.parse(rawValue);
+    } catch (error) {
+      logger.warn('[FooterDleService] Не удалось распарсить сохраненное значение footer DLE:', error.message);
+    }
+  }
+
+  return null;
+}
+
+async function getFooterSelection() {
+  const storedValue = await getSecret(FOOTER_DLE_KEY);
+  const parsed = parseSelection(storedValue);
+
+  if (!parsed) {
+    return null;
+  }
+
+  return {
+    address: parsed.address || null,
+    chainId: parsed.chainId ?? null,
+    updatedAt: parsed.updatedAt || null,
+    updatedBy: parsed.updatedBy || null,
+  };
+}
+
+async function setFooterSelection({ address, chainId = null, updatedBy = null }) {
+  const payload = {
+    address,
+    chainId: chainId !== undefined && chainId !== null ? Number(chainId) : null,
+    updatedAt: new Date().toISOString(),
+    updatedBy: updatedBy || null,
+  };
+
+  await setSecret(FOOTER_DLE_KEY, JSON.stringify(payload));
+  return payload;
+}
+
+async function clearFooterSelection(updatedBy = null) {
+  const payload = {
+    address: null,
+    chainId: null,
+    updatedAt: new Date().toISOString(),
+    updatedBy: updatedBy || null,
+  };
+
+  await setSecret(FOOTER_DLE_KEY, JSON.stringify(payload));
+  return payload;
+}
+
+module.exports = {
+  getFooterSelection,
+  setFooterSelection,
+  clearFooterSelection,
+};
+