feat: cashbox batch table and update bills

lib/cashbox-batches.js

@@ -0,0 +1,19 @@
+const db = require('./db')
+
+function createCashBoxBatch (rec) {
+  const sql = 'INSERT INTO cashbox_batches (device_id, created) VALUES ($1, now()) RETURNING *'
+  const sql2 = ` 
+    UPDATE bills SET cashbox_batch_id=$1
+    FROM cash_in_txs
+    WHERE bills.cash_in_txs_id = cash_in_txs.id AND
+          cash_in_txs.device_id = $2 AND 
+          bills.cashbox_batch_id IS NULL
+  `
+  return db.oneOrNone(sql, [rec.deviceId])
+    .then(res => {
+      console.log(res)
+      return db.oneOrNone(sql2, [res.id, res.device_id])
+    })
+}
+
+module.exports = { createCashBoxBatch }