feat: add collection with support for bulk indexing

src/DesignMyNight/Elasticsearch/Collection.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace DesignMyNight\Elasticsearch;
+
+use Illuminate\Support\Collection as BaseCollection;
+
+class Collection extends BaseCollection
+{
+    public function addToIndex()
+    {
+        if ( $this->isEmpty() ){
+            return;
+        }
+
+        $instance = $this->first();
+
+        $docs = $this->map(function($model){
+            return $model->toSearchableArray();
+        });
+
+        return $instance->onSearchConnection(function($docs, $instance){
+            $query = $instance->newQueryWithoutScopes();
+
+            return $query->insert($docs->all());
+        }, $docs, $instance);
+    }
+}