add nova

nova/src/ProxiesCanSeeToGate.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace Laravel\Nova;
+
+use Illuminate\Support\Arr;
+
+trait ProxiesCanSeeToGate
+{
+    /**
+     * Indicate that the entity can be seen when a given authorization ability is available.
+     *
+     * @param  string  $ability
+     * @param  array|mixed  $arguments
+     * @return $this
+     */
+    public function canSeeWhen($ability, $arguments = [])
+    {
+        $arguments = Arr::wrap($arguments);
+
+        if (isset($arguments[0]) && $arguments[0] instanceof Resource) {
+            $arguments[0] = $arguments[0]->resource;
+        }
+
+        return $this->canSee(function ($request) use ($ability, $arguments) {
+            return Nova::user($request)->can($ability, $arguments);
+        });
+    }
+}