From d5de0244f25f0f0abf5d7f2d1b908075b83212c6 Mon Sep 17 00:00:00 2001
From: Georgi Hristov <ghristov@gmx.de>
Date: Thu, 6 Aug 2020 09:56:45 +0200
Subject: [PATCH] [update] introduce Model::FIELD_FILTER_ONLY_FIELDS and use it

---
 src/Model.php | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/src/Model.php b/src/Model.php
index 2482d38e93..65640a2f6c 100644
--- a/src/Model.php
+++ b/src/Model.php
@@ -83,6 +83,8 @@ class Model implements \IteratorAggregate
     public const FIELD_FILTER_EDITABLE = 'editable';
     /** @const string */
     public const FIELD_FILTER_PERSIST = 'persist';
+    /** @const string */
+    public const FIELD_FILTER_ONLY_FIELDS = 'only fields';
 
     // {{{ Properties of the class
 
@@ -811,16 +813,8 @@ public function get(string $field = null)
         if ($field === null) {
             // Collect list of eligible fields
             $data = [];
-            if ($this->only_fields) {
-                // collect data for actual fields
-                foreach ($this->only_fields as $field) {
-                    $data[$field] = $this->get($field);
-                }
-            } else {
-                // get all fields
-                foreach ($this->getFields() as $field => $f) {
-                    $data[$field] = $this->get($field);
-                }
+            foreach ($this->getFields(self::FIELD_FILTER_ONLY_FIELDS) as $field) {
+                $data[$field] = $this->get($field);
             }
 
             return $data;