Replace lazy_Static with Tokio OnceCell

Cargo.toml

@@ -15,4 +15,4 @@ serde = { version = "1.0", features = ["derive"] }
 comrak = "0.24.1"
 tera = "1.19.1"
 isbot = "0.1.3"
-lazy_static = "1.4.0"
+once_cell = "1.19.0"

src/main.rs

@@ -14,17 +14,20 @@ use comrak::{markdown_to_html, Options};
 use controllers::posts;
 use dotenv::dotenv;
 use isbot::Bots;
-use lazy_static::lazy_static;
 use rocket::fs::{FileServer, NamedFile};
 use rocket::http::Status;
 use rocket::request::{FromRequest, Outcome, Request};
 use rocket::response::content::RawXml;
+use rocket::tokio::sync::OnceCell;
 use rocket_dyn_templates::Template;
 use std::path::Path;
 use std::vec::Vec;
 
-lazy_static! {
-    static ref ISBOT: Bots = Bots::default();
+static BOTS: OnceCell<Bots> = OnceCell::const_new();
+
+async fn is_bot(ua: &String) -> bool {
+    let bots = BOTS.get_or_init(|| async { Bots::default() }).await;
+    bots.is_bot(ua)
 }
 
 struct Headers {
@@ -98,13 +101,13 @@ fn atom_feed() -> RawXml<Template> {
 }
 
 #[get("/post/<title>")]
-fn show_post(title: String, headers: Headers) -> Template {
+async fn show_post(title: &str, headers: Headers) -> Template {
     let title_splited: Vec<&str> = title.split('-').collect();
     let id = title_splited.last().unwrap().parse().unwrap_or(-1);
 
     match posts::get_post(id) {
         Ok(mut post) => {
-            if !ISBOT.is_bot(&headers.user_agent) {
+            if !is_bot(&headers.user_agent).await {
                 posts::add_visit(id);
             }