Feat: footer calculate cashout total

lib/new-admin/bills.js

@@ -0,0 +1,18 @@
+const db = require('../db')
+
+// Get all bills with device id
+const getBills = () => {
+  return db.any(`SELECT d.device_id, b.fiat, b.created, d.cashbox FROM cash_in_txs INNER JOIN bills AS b ON b.cash_in_txs_id = cash_in_txs.id INNER JOIN devices as d ON d.device_id = cash_in_txs.device_id ORDER BY device_id, created DESC`)
+    .then(res => {
+      return res.map(item => ({
+        fiat: item.fiat,
+        deviceId: item.device_id,
+        cashbox: item.cashbox,
+        created: item.created
+      }))
+    })
+}
+
+module.exports = {
+  getBills
+}