0037284: It should be good to have an utility function to get a payment by key

# HG changeset patch
# User Adrián Romero <adrianromero@openbravo.com>
# Date 1510649468 -3600
#      Tue Nov 14 09:51:08 2017 +0100
# Node ID 70728194b24edb57810c9d5a5b1e220fe17942f9
# Parent  7bbf1051843a63e3e28c55d4501396b463614962
Fixes issue 0037284: Implements JS function getPaymentByKey()

diff --git a/web/org.openbravo.retail.posterminal/js/utils/ob-utilitiesuipos.js b/web/org.openbravo.retail.posterminal/js/utils/ob-utilitiesuipos.js
--- a/web/org.openbravo.retail.posterminal/js/utils/ob-utilitiesuipos.js
+++ b/web/org.openbravo.retail.posterminal/js/utils/ob-utilitiesuipos.js
@@ -503,3 +503,14 @@
     }
   }
 };
+
+OB.UTIL.getPaymentByKey = function (key) {
+  var i;
+  var terminalPayments = OB.MobileApp.model.get('payments');
+  for (i = 0; i < terminalPayments.length; i++) {
+    if (terminalPayments[i].payment.searchKey === key) {
+      return terminalPayments[i];
+    }
+  }
+  return null;
+};
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