add nova

nova/src/ResourceCollection.php

@@ -0,0 +1,76 @@
+<?php
+
+namespace Laravel\Nova;
+
+use Illuminate\Http\Request;
+use Illuminate\Support\Collection;
+
+/**
+ * @template TKey of array-key
+ * @template TValue
+ *
+ * @extends \Illuminate\Support\Collection<TKey, TValue>
+ */
+class ResourceCollection extends Collection
+{
+    /**
+     * Return the authorized resources of the collection.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @return static<TKey, TValue>
+     */
+    public function authorized(Request $request)
+    {
+        return $this->filter(function ($resource) use ($request) {
+            return $resource::authorizedToViewAny($request);
+        });
+    }
+
+    /**
+     * Return the resources available to be displayed in the navigation.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @return static<TKey, TValue>
+     */
+    public function availableForNavigation(Request $request)
+    {
+        return $this->filter(function ($resource) use ($request) {
+            return $resource::availableForNavigation($request);
+        });
+    }
+
+    /**
+     * Return the searchable resources for the collection.
+     *
+     * @return static<TKey, TValue>
+     */
+    public function searchable()
+    {
+        return $this->filter(function ($resource) {
+            return $resource::$globallySearchable;
+        });
+    }
+
+    /**
+     * Sort the resources by their group property.
+     *
+     * @return \Illuminate\Support\Collection<string, \Laravel\Nova\ResourceCollection<array-key, TValue>>
+     */
+    public function grouped()
+    {
+        return $this->groupBy(function ($resource, $key) {
+            return (string) $resource::group();
+        })->toBase()->sortKeys();
+    }
+
+    /**
+     * Group the resources for display in navigation.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @return \Illuminate\Support\Collection<string, \Laravel\Nova\ResourceCollection<array-key, TValue>>
+     */
+    public function groupedForNavigation(Request $request)
+    {
+        return $this->availableForNavigation($request)->grouped();
+    }
+}