From 0b2d01b75f5f0e6b3bb6bfd97217f8d294e56f30 Mon Sep 17 00:00:00 2001
From: Alexander Skvortsov <sasha.skvortsov109@gmail.com>
Date: Fri, 13 Nov 2020 02:55:58 -0500
Subject: [PATCH] Define FilterInterface

---
 src/Filter/FilterInterface.php | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 src/Filter/FilterInterface.php

diff --git a/src/Filter/FilterInterface.php b/src/Filter/FilterInterface.php
new file mode 100644
index 000000000..87cd60cf9
--- /dev/null
+++ b/src/Filter/FilterInterface.php
@@ -0,0 +1,26 @@
+<?php
+
+/*
+ * This file is part of Flarum.
+ *
+ * For detailed copyright and license information, please view the
+ * LICENSE file that was distributed with this source code.
+ */
+
+namespace Flarum\Filter;
+
+interface FilterInterface
+{
+    /**
+     * This filter will only be run when a query contains a filter param with this key.
+     */
+    public function getKey(): string;
+
+    /**
+     * Filters a query.
+     *
+     * @param WrappedFilter $filter
+     * @param string $value The value of the requested filter
+     */
+    public function apply(WrappedFilter $wrappedFilter, $filterValue);
+}