From fbad257accbbc84aff71b2268251eaba6f119eb1 Mon Sep 17 00:00:00 2001
From: Vasiliy Tolstov <v.tolstov@unistack.org>
Date: Thu, 18 Nov 2021 15:46:30 +0300
Subject: [PATCH] config: add helpers to load/save options (#60)

---
 config/context.go | 20 ++++++++++++++++++++
 config/options.go |  4 +++-
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/config/context.go b/config/context.go
index 7bc54872..a93d22f6 100644
--- a/config/context.go
+++ b/config/context.go
@@ -32,3 +32,23 @@ func SetOption(k, v interface{}) Option {
 		o.Context = context.WithValue(o.Context, k, v)
 	}
 }
+
+// SetSaveOption returns a function to setup a context with given value
+func SetSaveOption(k, v interface{}) SaveOption {
+	return func(o *SaveOptions) {
+		if o.Context == nil {
+			o.Context = context.Background()
+		}
+		o.Context = context.WithValue(o.Context, k, v)
+	}
+}
+
+// SetLoadOption returns a function to setup a context with given value
+func SetLoadOption(k, v interface{}) LoadOption {
+	return func(o *LoadOptions) {
+		if o.Context == nil {
+			o.Context = context.Background()
+		}
+		o.Context = context.WithValue(o.Context, k, v)
+	}
+}
diff --git a/config/options.go b/config/options.go
index 3dd70687..c3c0645e 100644
--- a/config/options.go
+++ b/config/options.go
@@ -66,6 +66,7 @@ type LoadOptions struct {
 	Struct   interface{}
 	Override bool
 	Append   bool
+	Context  context.Context
 }
 
 func NewLoadOptions(opts ...LoadOption) LoadOptions {
@@ -102,7 +103,8 @@ type SaveOption func(o *SaveOptions)
 
 // SaveOptions struct
 type SaveOptions struct {
-	Struct interface{}
+	Struct  interface{}
+	Context context.Context
 }
 
 // SaveStruct override struct for save to config