diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/lib.rs | 25 | ||||
| -rw-r--r-- | src/main.rs | 26 | ||||
| -rw-r--r-- | src/posts.rs | 2 |
3 files changed, 28 insertions, 25 deletions
@@ -67,3 +67,28 @@ impl Deref for DbConn { &self.0 } } + +#[macro_export] +macro_rules! implement_responder_for { + // Implement a responder for the given template type + // + // Seems I can't add the lifetime after the matcher, + // like this: `$template_type<'a>` + // So it will have to be passed in to the argument at + // the macro incovation instead. + ($template_type:ty) => ( + use rocket::response::{Response, Responder}; + use rocket::http::{ContentType, Status}; + use std::io::Cursor; + use rocket::request::Request; + + impl<'a> Responder<'a> for $template_type { + fn respond_to(self, _: &Request) -> Result<Response<'static>, Status> { + Response::build() + .header(ContentType::HTML) + .sized_body(Cursor::new(format!("{}", &self))) + .ok() + } + } + ) +} diff --git a/src/main.rs b/src/main.rs index f89a39f..0cf1acf 100644 --- a/src/main.rs +++ b/src/main.rs @@ -3,7 +3,7 @@ extern crate diesel; extern crate rocket; -extern crate rocket_blog; +#[macro_use] extern crate rocket_blog; extern crate rocket_contrib; #[macro_use] extern crate bart_derive; #[macro_use] extern crate serde_derive; @@ -11,10 +11,6 @@ extern crate rocket_contrib; use self::diesel::prelude::*; use self::rocket_blog::{schema, models}; use rocket_contrib::Json; -use rocket::response::{Response, Responder}; -use rocket::request::Request; -use rocket::http::{ContentType, Status}; -use std::io::Cursor; mod posts; @@ -25,27 +21,7 @@ struct IndexTemplate<'a> { posts: Vec<models::Post> } -macro_rules! implement_responder_for { - // Implement a responder for the given template type - // - // Seems I can't add the lifetime after the matcher, - // like this: `$template_type<'a>` - // So it will have to be passed in to the argument at - // the macro incovation instead. - ($template_type:ty) => ( - impl<'a> Responder<'a> for $template_type { - fn respond_to(self, _: &Request) -> Result<Response<'static>, Status> { - Response::build() - .header(ContentType::HTML) - .sized_body(Cursor::new(format!("{}", &self))) - .ok() - } - } - ) -} - implement_responder_for!(IndexTemplate<'a>); -implement_responder_for!(posts::NewPostTemplate<'a>); fn get_posts(conn: rocket_blog::DbConn) -> Vec<models::Post> { use schema::posts::dsl::*; diff --git a/src/posts.rs b/src/posts.rs index a98ea5c..350ab53 100644 --- a/src/posts.rs +++ b/src/posts.rs @@ -9,6 +9,8 @@ pub struct NewPostTemplate<'a> { post: ::models::NewPost } +implement_responder_for!(NewPostTemplate<'a>); + #[get("/new", format = "text/html")] fn new<'a>(_conn: ::rocket_blog::DbConn) -> NewPostTemplate<'a> { NewPostTemplate { title: "Bloggen", post: Default::default() } |