✨ Add taxes endpoint

src/Api/TaxesApi.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace Hydrat\Sellsy\Api;
+
+use Hydrat\Sellsy\Entities\Tax;
+use Hydrat\Sellsy\Collections\TaxCollection;
+
+/**
+ * The API client for the `companies` namespace.
+ *
+ * @package sellsy-connector
+ * @author Thomas <thomas@hydrat.agency>
+ * @version 1.0
+ * @access public
+ */
+class TaxesApi extends AbstractApi
+{
+    /**
+     * @inheritdoc
+     */
+    public function __construct()
+    {
+        parent::__construct();
+
+        $this->entity     = Tax::class;
+        $this->collection = TaxCollection::class;
+    }
+
+
+    /**
+     * List all taxes.
+     *
+     * @param array $query Query parameters.
+     *
+     * @return \Illuminate\Http\Client\Response
+     * @see https://api.sellsy.com/doc/v2/#operation/get-taxes
+     */
+    public function index(array $query = []): self
+    {
+        $response = $this->connection
+                        ->request('taxes')
+                        ->get($query);
+
+        $this->response = $response;
+        $this->response->throw();
+
+        return $this;
+    }
+}

src/Collections/TaxCollection.php

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+<?php
+
+namespace Hydrat\Sellsy\Collections;
+
+use Hydrat\Sellsy\Entities\Tax;
+use Hydrat\Sellsy\Contracts\EntityCollectionContract;
+use Spatie\DataTransferObject\DataTransferObjectCollection;
+
+/**
+ * The Tax Entity collection.
+ *
+ * @package sellsy-connector
+ * @author Thomas <thomas@hydrat.agency>
+ * @version 1.0
+ * @access public
+ *
+ * @method \Hydrat\Sellsy\Entities\Tax current
+ */
+class TaxCollection extends DataTransferObjectCollection implements EntityCollectionContract
+{
+    public static function create(array $data): TaxCollection
+    {
+        return new static(Tax::arrayOf($data));
+    }
+}

src/Entities/Tax.php

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+<?php
+
+namespace Hydrat\Sellsy\Entities;
+
+use Hydrat\Sellsy\Contracts\EntityContract;
+use Spatie\DataTransferObject\FlexibleDataTransferObject;
+
+/**
+ * The Tax Entity.
+ *
+ * @package sellsy-connector
+ * @author Thomas <thomas@hydrat.agency>
+ * @version 1.0
+ * @access public
+ */
+class Tax extends FlexibleDataTransferObject implements EntityContract
+{
+    /**
+     * <READONLY> Tax class ID from Sellsy.
+     */
+    public int $id;
+
+    /**
+     * Tax rate in percentage.
+     * 
+     * @var int|float|null
+     */
+    public $rate;
+
+    /**
+     * Tax class label.
+     */
+    public ?string $label;
+}