add nova

nova/src/Query/Search.php

@@ -0,0 +1,59 @@
+<?php
+
+namespace Laravel\Nova\Query;
+
+use Illuminate\Database\Eloquent\Builder;
+use Laravel\Nova\Query\Search\Column;
+
+class Search
+{
+    /**
+     * The Eloquent Query Builder instance.
+     *
+     * @var \Illuminate\Database\Eloquent\Builder
+     */
+    public $queryBuilder;
+
+    /**
+     * The search keyword.
+     *
+     * @var string
+     */
+    public $searchKeyword;
+
+    /**
+     * Create a new search builder instance.
+     *
+     * @param  \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Eloquent\Relations\Relation  $queryBuilder
+     * @param  string  $searchKeyword
+     * @return void
+     */
+    public function __construct($queryBuilder, $searchKeyword)
+    {
+        $this->queryBuilder = $queryBuilder;
+        $this->searchKeyword = $searchKeyword;
+    }
+
+    /**
+     * Get the raw results of the search.
+     *
+     * @param  class-string<\Laravel\Nova\Resource>  $resourceClass
+     * @param  array<int, string|\Laravel\Nova\Query\Search\Column>  $searchColumns
+     * @return mixed
+     */
+    public function handle($resourceClass, array $searchColumns)
+    {
+        return $this->queryBuilder->where(function ($query) use ($searchColumns) {
+            $connectionType = $query->getModel()->getConnection()->getDriverName();
+
+            collect($searchColumns)
+                ->each(function ($column) use ($query, $connectionType) {
+                    if ($column instanceof Column || (! is_string($column) && is_callable($column))) {
+                        $column($query, $this->searchKeyword, $connectionType);
+                    } else {
+                        Column::from($column)->__invoke($query, $this->searchKeyword, $connectionType);
+                    }
+                });
+        });
+    }
+}