Adds shipping zone locations support. (#10)

Author: NielsdeBlaauw

README.md

@@ -226,6 +226,21 @@ $this->factory()->shipping_zone->create_and_get(
 );
 ```
 
+#### Adding locations
+
+It's possible to add location rules to shipping zones. See the code below for an example:
+
+```php
+$this->factory()->shipping_zone->set_zone_locations(
+    1, array(
+        array(
+            'code' => '3024*',
+            'type' => 'postcode',
+        ),
+    )
+);
+```
+
 ### Shipping zone methods
 
 You can access the shipping zone method factory by using `$this->factory()->shipping_zone_method` within a WooCommerce integration test. 

src/Factories/ShippingZone.php

@@ -61,4 +61,20 @@ public function get_object_by_id( $object_id ) {
 		}
 		return $shipping_zone;
 	}
+
+	/**
+	 * Sets shipping zone locations.
+	 * @param int $object_id 
+	 * @param array $data See https://woocommerce.github.io/woocommerce-rest-api-docs/?shell#update-a-locations-of-a-shipping-zone
+	 * @return int 
+	 * @throws Exception 
+	 */
+	public function set_zone_locations( $object_id, $data ) {
+		$request = new \WP_REST_Request( 'PUT', '/wc/v3/shipping/zones/' . $object_id . '/locations' );
+		$request->add_header( 'Content-Type', 'application/json' );
+		$request->set_body( json_encode( $data ) ); //phpcs:ignore
+
+		$response = $this->do_request( $request );
+		return $response->get_data()['id'];
+	}
 }