From 02315c7ad0078c8ea34d9230d97d2170da15ddf0 Mon Sep 17 00:00:00 2001
From: ionutboangiu <ionut.boangiu@itsyscom.com>
Date: Fri, 1 Oct 2021 11:56:56 +0300
Subject: [PATCH] Add functions for getting interface type values from
 config/APIOpts

---
 engine/libfilters.go | 20 ++++++++++++++++++++
 utils/cgrevent.go    | 10 ++++++++++
 2 files changed, 30 insertions(+)

diff --git a/engine/libfilters.go b/engine/libfilters.go
index ec33eaee0..d8dece30a 100644
--- a/engine/libfilters.go
+++ b/engine/libfilters.go
@@ -165,3 +165,23 @@ func FilterDecimalBigCfgOpts(ctx *context.Context, tnt string, ev utils.DataProv
 	}
 	return // return the option or NOT_FOUND if there are no options or none of the filters pass
 }
+
+// FilterInterfaceCfgOpts returns the option as interface{} if the filters match
+func FilterInterfaceCfgOpts(ctx *context.Context, tnt string, ev utils.DataProvider, fS *FilterS, dynOpts []*utils.DynamicInterfaceOpt) (dft interface{}, err error) {
+	var hasDefault bool
+	for _, opt := range dynOpts { // iterate through the options
+		if len(opt.FilterIDs) == 0 {
+			hasDefault = true
+			dft = opt.Value
+		}
+		if pass, err := fS.Pass(ctx, tnt, opt.FilterIDs, ev); err != nil { // check if the filter is passing for the DataProvider and return the option if it does
+			return false, err
+		} else if pass {
+			return opt.Value, nil
+		}
+	}
+	if !hasDefault {
+		err = utils.ErrNotFound
+	}
+	return // return the option or NOT_FOUND if there are no options or none of the filters pass
+}
diff --git a/utils/cgrevent.go b/utils/cgrevent.go
index 96ab59be1..4dd7e4bb2 100644
--- a/utils/cgrevent.go
+++ b/utils/cgrevent.go
@@ -150,6 +150,16 @@ func (ev *CGREvent) OptsAsStringSlice(defaultValue []string, optNames ...string)
 	return defaultValue, nil
 }
 
+// OptsAsInterface returns an option as float64
+func (ev *CGREvent) OptsAsInterface(defaultValue interface{}, optNames ...string) interface{} {
+	for _, optName := range optNames {
+		if iface, has := ev.APIOpts[optName]; has {
+			return iface
+		}
+	}
+	return defaultValue
+}
+
 func (ev *CGREvent) Clone() (clned *CGREvent) {
 	clned = &CGREvent{
 		Tenant:  ev.Tenant,