find lang

src/utils/misc.rs

@@ -1,8 +1,10 @@
 use std::{fs, os::unix::fs::MetadataExt, path::Path};
 
 use actix_web::{
-    http::header::{self, ContentType, TryIntoHeaderValue},
-    http::StatusCode,
+    http::{
+        header::{self, ContentType, HeaderMap, TryIntoHeaderValue},
+        StatusCode,
+    },
     HttpRequest, HttpResponse, Responder,
 };
 use base64::{engine::general_purpose, Engine};
@@ -116,3 +118,23 @@ fn read_img(data: Vec<u8>, mime: &mime::Mime) -> File {
 pub fn remove_first_letter(s: &str) -> &str {
     s.chars().next().map(|c| &s[c.len_utf8()..]).unwrap()
 }
+
+#[derive(Debug)]
+pub enum Lang {
+    French,
+    English,
+}
+
+/// Get the browser language
+pub fn lang(headers: &HeaderMap) -> Lang {
+    headers
+        .get("Accept-Language")
+        .and_then(|lang| lang.to_str().ok())
+        .and_then(|lang| {
+            ["fr", "fr-FR"]
+                .into_iter()
+                .any(|i| lang.contains(i))
+                .then_some(Lang::French)
+        })
+        .unwrap_or(Lang::English)
+}