From 381e05e7970adb24c3d9b98b0ae71e4a2e1c114a Mon Sep 17 00:00:00 2001
From: Ali MJ Al-Nasrawy <alimjalnasrawy@gmail.com>
Date: Sun, 27 Jun 2021 16:04:34 +0300
Subject: [PATCH] `ResourceDef::insert_prefix()`

---
 actix-router/src/resource.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/actix-router/src/resource.rs b/actix-router/src/resource.rs
index fed20c48..4cdee197 100644
--- a/actix-router/src/resource.rs
+++ b/actix-router/src/resource.rs
@@ -132,6 +132,19 @@ impl ResourceDef {
         &self.pattern
     }
 
+    pub fn insert_prefix(&mut self, prefix: &str) {
+        let is_prefix = match &self.tp {
+            PatternType::Static(_) => false,
+            PatternType::Prefix(_) => true,
+            PatternType::Dynamic(re, ..) => re.as_str().ends_with('$'),
+            PatternType::DynamicSet(..) => panic!(),
+        };
+        let new_pattern = format!("{}{}", insert_slash(prefix), self.pattern());
+
+        // TODO Docs; Tests; dynamicset suppot!!!!!
+        *self = ResourceDef::from_single_pattern(&new_pattern, is_prefix);
+    }
+
     /// Check if path matches this pattern.
     #[inline]
     pub fn is_match(&self, path: &str) -> bool {