Added Datatable package

app/Services/DataTable/Sort/ApplySort.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Services\DataTable\Sort;
+
+use Illuminate\Contracts\Database\Query\Builder;
+
+class ApplySort
+{
+
+    /**
+     * @param Builder $query
+     * @param ?Sort $sort
+     */
+    public function __construct(
+        private Builder $query,
+        private ?Sort    $sort,
+    )
+    {
+    }
+
+    public function apply(): Builder
+    {
+        $query = $this->query;
+
+        if (!is_null($this->sort)) {
+            $query->orderBy($this->sort->getId(), $this->sort->getDirection());
+        }
+
+        return $query;
+    }
+}

app/Services/DataTable/Sort/Sort.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace App\Services\DataTable\Sort;
+
+use App\Services\DataTable\Validators\SortingValidator;
+
+class Sort
+{
+    private static SortingValidator $sortingValidator;
+
+    /**
+     * @param string $id
+     * @param bool $desc
+     * @param array $allowedSortings
+     * @throws \App\Services\DataTable\Exceptions\InvalidSortingException
+     */
+    public function __construct(
+        private string $id,
+        private bool   $desc,
+        private array $allowedSortings,
+    )
+    {
+        self::$sortingValidator = SortingValidator::getInstance();
+        self::$sortingValidator->isValid($this, $this->allowedSortings);
+    }
+
+    /**
+     * @return string
+     */
+    public function getId(): string
+    {
+        return $this->id;
+    }
+
+    public function getDirection(): string
+    {
+        return $this->desc === true ? 'desc' : 'asc';
+    }
+}