first version

kirby/config/sections/mixins/max.php

@@ -0,0 +1,28 @@
+<?php
+
+return [
+    'props' => [
+        /**
+         * Sets the maximum number of allowed entries in the section
+         */
+        'max' => function (int $max = null) {
+            return $max;
+        }
+    ],
+    'methods' => [
+        'isFull' => function () {
+            if ($this->max) {
+                return $this->total >= $this->max;
+            }
+
+            return false;
+        },
+        'validateMax' => function () {
+            if ($this->max && $this->max < $this->total) {
+                return false;
+            }
+
+            return true;
+        }
+    ]
+];