min migrate to rocket 0.5

Cargo.toml

@@ -13,17 +13,14 @@ readme = "README.md"
 rand="0.8"
 serde="1.0"
 serde_json="1.0"
-rocket="0.4"
+rocket = { version = "=0.5.0-rc.3", features = ["json"] }
+rocket_dyn_templates = { version = "=0.1.0-rc.3", features = ["tera"] }
 chgk_ledb_lib = {git = "https://gitea.b4tman.ru/b4tman/chgk_ledb.git", rev="27260695f7", package="chgk_ledb_lib"}
 mini-moka = "0.10.0"
 
-[dependencies.rocket_contrib]
-version = "0.4"
-default-features = false
-features = ["serve", "tera_templates"]
-
 [profile.release]
 opt-level = 3
 debug = false
 lto = true
 strip = true
+

src/main.rs

@@ -1,16 +1,13 @@
-#![feature(proc_macro_hygiene, decl_macro)]
-
 extern crate serde;
 extern crate serde_json;
 
 #[macro_use]
 extern crate rocket;
-extern crate rocket_contrib;
 
 use rocket::response::Redirect;
-use rocket::{Rocket, State};
-use rocket_contrib::serve::StaticFiles;
-use rocket_contrib::templates::Template;
+use rocket::State;
+use rocket::fs::FileServer;
+use rocket_dyn_templates::Template;
 
 use rand::distributions::Uniform;
 use rand::Rng;
@@ -118,12 +115,12 @@ fn show_question_details(
 }
 
 #[get("/q/<id>")]
-fn show_question(data: State<AppState>, cache: State<TemplateCache>, id: usize) -> Template {
+fn show_question(data: &State<AppState>, cache: &State<TemplateCache>, id: usize) -> Template {
     show_question_details("question", data.inner(), cache.inner(), id)
 }
 
 #[get("/q/<id>/a")]
-fn show_answer(data: State<AppState>, cache: State<TemplateCache>, id: usize) -> Template {
+fn show_answer(data: &State<AppState>, cache: &State<TemplateCache>, id: usize) -> Template {
     show_question_details("answer", data.inner(), cache.inner(), id)
 }
 
@@ -138,7 +135,7 @@ fn answer0() -> Redirect {
 }
 
 #[get("/")]
-fn index(data: State<AppState>) -> Redirect {
+fn index(data: &State<AppState>) -> Redirect {
     let id = random_question_id(&data.database_distribution);
     Redirect::temporary(format!("/q/{}", id))
 }
@@ -150,26 +147,24 @@ fn not_found(_req: &rocket::Request) -> Template {
     Template::render("404", context)
 }
 
-fn rocket() -> Rocket {
+#[launch]
+fn rocket() -> _ {
     let state: AppState = db::Reader::new(DB_FILENAME, 2048).expect("open db").into();
     let cache: TemplateCache = Cache::builder()
         .time_to_idle(Duration::from_secs(15 * 60))
         .max_capacity(300)
         .build();
 
-    rocket::ignite()
+    rocket::build()
         .manage(state)
         .manage(cache)
-        .register(catchers![not_found])
+        .register("/", catchers![not_found])
         .mount(
             "/",
             routes![index, show_question, show_answer, question0, answer0],
         )
         .mount("/q", routes![index])
-        .mount("/q/static", StaticFiles::from("static/"))
+        .mount("/q/static", FileServer::from("static/"))
         .attach(Template::fairing())
 }
 
-fn main() {
-    rocket().launch();
-}