Initial LinkedSign platform

backend/src/modules/certificates/certificates.repository.js

@@ -0,0 +1,78 @@
+const db = require('../../config/db');
+const fs = require('fs/promises');
+const path = require('path');
+
+const chainMetadataDir = path.resolve(process.cwd(), 'storage', 'certificates', 'metadata');
+const chainMetadataFile = path.join(chainMetadataDir, 'chain-status.json');
+
+const readChainMetadata = async () => {
+  try {
+    const raw = await fs.readFile(chainMetadataFile, 'utf8');
+    return JSON.parse(raw);
+  } catch {
+    return {};
+  }
+};
+
+const writeChainMetadata = async (data) => {
+  await fs.mkdir(chainMetadataDir, { recursive: true });
+  await fs.writeFile(chainMetadataFile, JSON.stringify(data, null, 2), 'utf8');
+};
+
+const create = async ({ userId, alias, filename, storagePath, subjectCn, issuerCn, validFrom, validTo, serialNumber }) => {
+  const [result] = await db.execute(
+    `INSERT INTO certificates (user_id, alias, filename, storage_path, subject_cn, issuer_cn, valid_from, valid_to, serial_number)
+     VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)`,
+    [userId, alias, filename, storagePath, subjectCn || null, issuerCn || null, validFrom || null, validTo || null, serialNumber || null]
+  );
+  return result.insertId;
+};
+
+const findByUser = async (userId) => {
+  const [rows] = await db.execute(
+    'SELECT id, user_id, alias, filename, subject_cn, issuer_cn, valid_from, valid_to, serial_number, is_active, created_at FROM certificates WHERE user_id = ? ORDER BY created_at DESC',
+    [userId]
+  );
+  return rows;
+};
+
+const findById = async (id) => {
+  const [rows] = await db.execute('SELECT * FROM certificates WHERE id = ?', [id]);
+  return rows[0] || null;
+};
+
+const deactivate = async (id) => {
+  await db.execute('UPDATE certificates SET is_active = 0 WHERE id = ?', [id]);
+};
+
+const remove = async (id) => {
+  await db.execute('DELETE FROM certificates WHERE id = ?', [id]);
+};
+
+const saveChainStatus = async (certId, metadata) => {
+  const current = await readChainMetadata();
+  current[String(certId)] = metadata;
+  await writeChainMetadata(current);
+};
+
+const getChainStatus = async (certId) => {
+  const current = await readChainMetadata();
+  return current[String(certId)] || null;
+};
+
+const removeChainStatus = async (certId) => {
+  const current = await readChainMetadata();
+  delete current[String(certId)];
+  await writeChainMetadata(current);
+};
+
+module.exports = {
+  create,
+  findByUser,
+  findById,
+  deactivate,
+  remove,
+  saveChainStatus,
+  getChainStatus,
+  removeChainStatus,
+};