From 9e38de62f8e75610afbde914f132d83f1e6769cc Mon Sep 17 00:00:00 2001
From: Maina Wycliffe <wmmaina7@gmail.com>
Date: Wed, 11 Dec 2019 02:17:22 +0300
Subject: [PATCH] feat: add a config remover

---
 configs/viper.go | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 configs/viper.go

diff --git a/configs/viper.go b/configs/viper.go
new file mode 100644
index 0000000..d5e4ede
--- /dev/null
+++ b/configs/viper.go
@@ -0,0 +1,30 @@
+package configs
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"strings"
+
+	"github.com/spf13/viper"
+)
+
+func UnsetViperConfig(keys ...string) error {
+	configMap := viper.AllSettings()
+	for _, key := range keys {
+		delete(configMap, strings.ToLower(key))
+	}
+	encodedConfig, err := json.MarshalIndent(configMap, "", " ")
+	if err != nil {
+		return err
+	}
+	err = viper.ReadConfig(bytes.NewReader(encodedConfig))
+	if err != nil {
+		return err
+	}
+	err = viper.WriteConfig()
+	if err != nil {
+		return fmt.Errorf("Error removing configs: %w", err)
+	}
+	return nil
+}