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src/store/posterminal/findByPairingpin.js

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+import { FIND_BY_PAIRINGPIN as MSSQL_FIND } from '../../providers/mssql/queries/posterminal.js';
+import { FIND_BY_PAIRINGPIN as SQLITE_FIND } from '../../providers/sqlite3/queries/posterminal.js';
+import makeRunner from '../runner.js';
+
+export default function findByPairingpin(provider) {
+  const sql = provider?.dialect === 'sqlite3' ? SQLITE_FIND : MSSQL_FIND;
+
+  /**
+   * Finds a posterminal by its pairingpin.
+   *
+   * @param {string} pairingpin - The pairing pin to search for.
+   * @param {object} [tx] - Optional transaction to run within.
+   * @returns {Promise<object|null>} The posterminal row, or null if not found.
+   */
+  return async (pairingpin, tx) => {
+    if (!pairingpin) return null;
+    const result = await makeRunner(provider, tx).query(sql, {
+      pairingpin: String(pairingpin).trim(),
+    });
+    return result.rows[0] || null;
+  };
+}