fix: improve cashbox batches logs

lib/cashbox-batches.js

@@ -69,10 +69,36 @@ function getBillsByBatchId (id) {
   return db.any(sql, [id])
 }
 
+function logFormatter (data) {
+  return _.map(
+    it => {
+      return {
+        id: it.id,
+        deviceId: it.deviceId,
+        created: it.created,
+        operationType: it.operationType,
+        performedBy: it.performedBy,
+        billCount: _.size(it.bills),
+        fiatTotals: _.reduce(
+          (acc, value) => {
+            acc[value.fiat_code] = (acc[value.fiat_code] || 0) + value.fiat
+            return acc
+          },
+          {},
+          it.bills
+        ),
+        billsByDenomination: _.countBy(ite => `${ite.fiat} ${ite.fiat_code}`, it.bills)
+      }
+    },
+    data
+  )
+}
+
 module.exports = {
   createCashboxBatch,
   updateMachineWithBatch,
   getBatches,
   getBillsByBatchId,
-  editBatchById
+  editBatchById,
+  logFormatter
 }