vendor and env first commit

vendor/spatie/laravel-query-builder/src/Includes/IncludedRelationship.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace Spatie\QueryBuilder\Includes;
+
+use Closure;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Support\Collection;
+
+class IncludedRelationship implements IncludeInterface
+{
+    /** @var Closure|null */
+    public $getRequestedFieldsForRelatedTable;
+
+    public function __invoke(Builder $query, string $relationship)
+    {
+        $relatedTables = collect(explode('.', $relationship));
+
+        $withs = $relatedTables
+            ->mapWithKeys(function ($table, $key) use ($query, $relatedTables) {
+                $fullRelationName = $relatedTables->slice(0, $key + 1)->implode('.');
+
+                if ($this->getRequestedFieldsForRelatedTable) {
+                    $fields = ($this->getRequestedFieldsForRelatedTable)($fullRelationName);
+                }
+
+                if (empty($fields)) {
+                    return [$fullRelationName];
+                }
+
+                return [$fullRelationName => function ($query) use ($fields) {
+                    $query->select($fields);
+                }];
+            })
+            ->toArray();
+
+        $query->with($withs);
+    }
+
+    public static function getIndividualRelationshipPathsFromInclude(string $include): Collection
+    {
+        return collect(explode('.', $include))
+            ->reduce(function (Collection $includes, string $relationship) {
+                if ($includes->isEmpty()) {
+                    return $includes->push($relationship);
+                }
+
+                return $includes->push("{$includes->last()}.{$relationship}");
+            }, collect());
+    }
+}