dataprovider: add timestamp fields for users and admins

dataprovider/admin.go

@@ -68,6 +68,12 @@ type Admin struct {
 	Filters        AdminFilters `json:"filters,omitempty"`
 	Description    string       `json:"description,omitempty"`
 	AdditionalInfo string       `json:"additional_info,omitempty"`
+	// Creation time as unix timestamp in milliseconds. It will be 0 for admins created before v2.2.0
+	CreatedAt int64 `json:"created_at"`
+	// last update time as unix timestamp in milliseconds
+	UpdatedAt int64 `json:"updated_at"`
+	// Last login as unix timestamp in milliseconds
+	LastLogin int64 `json:"last_login"`
 }
 
 func (a *Admin) checkPassword() error {
@@ -260,6 +266,9 @@ func (a *Admin) getACopy() Admin {
 		Filters:        filters,
 		AdditionalInfo: a.AdditionalInfo,
 		Description:    a.Description,
+		LastLogin:      a.LastLogin,
+		CreatedAt:      a.CreatedAt,
+		UpdatedAt:      a.UpdatedAt,
 	}
 }