move toMap function to be a method on the quota structs

pkg/setting/setting_quota.go

@@ -1,5 +1,9 @@
 package setting
 
+import (
+	"reflect"
+)
+
 type OrgQuota struct {
 	User       int64 `target:"org_user"`
 	DataSource int64 `target:"data_source"`
@@ -20,6 +24,38 @@ type GlobalQuota struct {
 	Session    int64 `target:"-"`
 }
 
+func (q *OrgQuota) ToMap() map[string]int64 {
+	return quotaToMap(*q)
+}
+
+func (q *UserQuota) ToMap() map[string]int64 {
+	return quotaToMap(*q)
+}
+
+func (q *GlobalQuota) ToMap() map[string]int64 {
+	return quotaToMap(*q)
+}
+
+func quotaToMap(q interface{}) map[string]int64 {
+	qMap := make(map[string]int64)
+	typ := reflect.TypeOf(q)
+	val := reflect.ValueOf(q)
+
+	for i := 0; i < typ.NumField(); i++ {
+		field := typ.Field(i)
+		name := field.Tag.Get("target")
+		if name == "" {
+			name = field.Name
+		}
+		if name == "-" {
+			continue
+		}
+		value := val.Field(i)
+		qMap[name] = value.Int()
+	}
+	return qMap
+}
+
 type QuotaSettings struct {
 	Enabled bool
 	Org     *OrgQuota