Added Sources and Stocks API mappings

Author: matt-gribben

src/Api/Sources.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace Grayloon\Magento\Api;
+
+class Sources extends AbstractApi
+{
+    /**
+     * inventoryApiSourcesRepositoryV1
+     * All of paginated source items.
+     *
+     * @param  int  $pageSize
+     * @param  int  $currentPage
+     * @param  array  $filters
+     *
+     * @return array
+     */
+    public function all($pageSize = 50, $currentPage = 1, $filters = [])
+    {
+        return $this->get('/inventory/sources', array_merge($filters, [
+            'searchCriteria[pageSize]'    => $pageSize,
+            'searchCriteria[currentPage]' => $currentPage,
+        ]));
+    }
+
+    public function bySourceName(String $name = 'default')
+    {
+        return $this->get('/inventory/sources/'.$name);
+    }
+}

src/Api/Stocks.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace Grayloon\Magento\Api;
+
+class Stocks extends AbstractApi
+{
+    /**
+     * inventoryApiStocksRepositoryV1
+     * All of paginated source items.
+     *
+     * @param  int  $pageSize
+     * @param  int  $currentPage
+     * @param  array  $filters
+     *
+     * @return array
+     */
+    public function all($pageSize = 50, $currentPage = 1, $filters = [])
+    {
+        return $this->get('/inventory/stocks', array_merge($filters, [
+            'searchCriteria[pageSize]'    => $pageSize,
+            'searchCriteria[currentPage]' => $currentPage,
+        ]));
+    }
+
+}