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port more examples

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This commit is contained in:
Nikolay Kim
2019-03-09 22:38:15 -08:00
parent b6929b47b1
commit 52c12f264a
9 changed files with 61 additions and 109 deletions
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52
template_tera/src/main.rs
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@ -1,58 +1,42 @@
extern crate actix;
extern crate actix_web;
extern crate env_logger;
#[macro_use]
extern crate tera;
use std::collections::HashMap;
use actix_web::{
error, http, middleware, server, App, Error, HttpResponse, Query, State,
};
struct AppState {
template: tera::Tera, // <- store tera template in application state
}
use actix_web::{error, middleware, web, App, Error, HttpResponse, HttpServer};
// store tera template in application state
fn index(
(state, query): (State<AppState>, Query<HashMap<String, String>>),
tmpl: web::State<tera::Tera>,
query: web::Query<HashMap<String, String>>,
) -> Result<HttpResponse, Error> {
let s = if let Some(name) = query.get("name") {
// <- submitted form
// submitted form
let mut ctx = tera::Context::new();
ctx.add("name", &name.to_owned());
ctx.add("text", &"Welcome!".to_owned());
state
.template
.render("user.html", &ctx)
ctx.insert("name", &name.to_owned());
ctx.insert("text", &"Welcome!".to_owned());
tmpl.render("user.html", &ctx)
.map_err(|_| error::ErrorInternalServerError("Template error"))?
} else {
state
.template
.render("index.html", &tera::Context::new())
tmpl.render("index.html", &tera::Context::new())
.map_err(|_| error::ErrorInternalServerError("Template error"))?
};
Ok(HttpResponse::Ok().content_type("text/html").body(s))
}
fn main() {
::std::env::set_var("RUST_LOG", "actix_web=info");
fn main() -> std::io::Result<()> {
std::env::set_var("RUST_LOG", "actix_web=info");
env_logger::init();
let sys = actix::System::new("tera-example");
server::new(|| {
HttpServer::new(|| {
let tera =
compile_templates!(concat!(env!("CARGO_MANIFEST_DIR"), "/templates/**/*"));
App::with_state(AppState { template: tera })
// enable logger
.middleware(middleware::Logger::default())
.resource("/", |r| r.method(http::Method::GET).with(index))
App::new()
.state(tera)
.middleware(middleware::Logger::default()) // enable logger
.service(web::resource("/").route(web::get().to(index)))
})
.bind("127.0.0.1:8080")
.unwrap()
.start();
println!("Started http server: 127.0.0.1:8080");
let _ = sys.run();
.bind("127.0.0.1:8080")?
.run()
}