Provide Cache-Control Headers

max-age = 1 week for everything
stale-while-revalidate = 1 day for everything except raw pastes
immutable for raw pastes

Most likely fixes #2, unless I forgot something.

Suggested-by: Leonora Tindall <ltindall@fastly.com>
Signed-off-by: Gunwant Jain <mail@wantguns.dev>

src/routes/index.rs

@@ -2,9 +2,11 @@ use rocket_dyn_templates::Template;
 
 use std::collections::HashMap;
 
+use crate::models::response_wrapper::ResponseWrapper;
+
 #[get("/")]
-pub async fn index() -> Option<Template> {
+pub async fn index() -> ResponseWrapper<Template> {
     let mut map = HashMap::new();
     map.insert("title", "bin");
-    Some(Template::render("index.html", &map))
+    ResponseWrapper::meta_response(Template::render("index.html", &map))
 }

src/routes/pretty_retrieve.rs

@@ -66,7 +66,9 @@ pub async fn pretter_retrieve_inner(
     let rendered = Template::render("pretty.html", &map);
 
     match tree_magic::match_filepath("text/plain", &filepath) {
-        true => ResponseWrapper::paste_response(rendered, modified_date),
+        true => {
+            ResponseWrapper::pretty_paste_response(rendered, modified_date)
+        }
         false => ResponseWrapper::server_error("media type unacceptable"),
     }
 }

src/routes/retrieve.rs

@@ -42,5 +42,5 @@ pub async fn retrieve_inner(id: &str) -> ResponseWrapper<File> {
         }
     };
 
-    ResponseWrapper::paste_response(file, modified_date)
+    ResponseWrapper::raw_paste_response(file, modified_date)
 }