server: rest: collapse nested if for less indentation

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

diff --git a/src/server/rest.rs b/src/server/rest.rs
index 7922897c2f066dd3babbb6dda7fd231008a24384..13d379c764a10e1ff571c93d892e69d0556b543f 100644 (file)
--- a/src/server/rest.rs
+++ b/src/server/rest.rs
@@ -635,27 +635,21 @@ async fn handle_static_file_download(
 }
 
 fn extract_lang_header(headers: &http::HeaderMap) -> Option<String> {
-    if let Some(raw_cookie) = headers.get("COOKIE") {
-        if let Ok(cookie) = raw_cookie.to_str() {
-            return tools::extract_cookie(cookie, "PBSLangCookie");
-        }
+    if let Some(Ok(cookie)) = headers.get("COOKIE").map(|v| v.to_str()) {
+        return tools::extract_cookie(cookie, "PBSLangCookie");
     }
-
     None
 }
 
 // FIXME: support handling multiple compression methods
 fn extract_compression_method(headers: &http::HeaderMap) -> Option<CompressionMethod> {
-    if let Some(raw_encoding) = headers.get(header::ACCEPT_ENCODING) {
-        if let Ok(encoding) = raw_encoding.to_str() {
-            for encoding in encoding.split(&[',', ' '][..]) {
-                if let Ok(method) = encoding.parse() {
-                    return Some(method);
-                }
+    if let Some(Ok(encodings)) = headers.get(header::ACCEPT_ENCODING).map(|v| v.to_str()) {
+        for encoding in encodings.split(&[',', ' '][..]) {
+            if let Ok(method) = encoding.parse() {
+                return Some(method);
             }
         }
     }
-
     None
 }