2 files changed, 41 insertions, 34 deletions
diff --git a/system/db/cache.go b/system/db/cache.go
index 5f2dd03..30ecf5a 100644
--- a/system/db/cache.go
+++ b/system/db/cache.go
@@ -2,10 +2,8 @@ package db
 
 import (
 	"encoding/base64"
-	"encoding/json"
 	"fmt"
 	"net/http"
-	"net/url"
 	"strings"
 	"time"
 )
@@ -39,41 +37,10 @@ func NewEtag() string {
 
 // InvalidateCache sets a new Etag for http responses
 func InvalidateCache() error {
-	kv := make(map[string]interface{})
-
-	c, err := ConfigAll()
+	err := PutConfig("etag", NewEtag())
 	if err != nil {
 		return err
 	}
 
-	err = json.Unmarshal(c, &kv)
-	if err != nil {
-		return err
-	}
-
-	kv["etag"] = NewEtag()
-
-	data := make(url.Values)
-	for k, v := range kv {
-		switch v.(type) {
-		case string:
-			data.Set(k, v.(string))
-		case []string:
-			vv := v.([]string)
-			for i := range vv {
-				if i == 0 {
-					data.Set(k, vv[i])
-				} else {
-					data.Add(k, vv[i])
-				}
-			}
-		}
-	}
-
-	err = SetConfig(data)
-	if err != nil {
-
-	}
-
 	return nil
 }
diff --git a/system/db/config.go b/system/db/config.go
index b5a07e4..ef3c382 100644
--- a/system/db/config.go
+++ b/system/db/config.go
@@ -117,7 +117,47 @@ func ConfigAll() ([]byte, error) {
 	return val.Bytes(), nil
 }
 
+// PutConfig updates a single k/v in the config
+func PutConfig(key string, value interface{}) error {
+	kv := make(map[string]interface{})
+
+	c, err := ConfigAll()
+	if err != nil {
+		return err
+	}
+
+	err = json.Unmarshal(c, &kv)
+	if err != nil {
+		return err
+	}
+
+	data := make(url.Values)
+	for k, v := range kv {
+		switch v.(type) {
+		case string:
+			data.Set(k, v.(string))
+		case []string:
+			vv := v.([]string)
+			for i := range vv {
+				if i == 0 {
+					data.Set(k, vv[i])
+				} else {
+					data.Add(k, vv[i])
+				}
+			}
+		}
+	}
+
+	err = SetConfig(data)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
 // ConfigCache is a in-memory cache of the Configs for quicker lookups
+// 'key' is the JSON tag associated with the config field
 func ConfigCache(key string) string {
 	return configCache.Get(key)
 }