Rocket/examples/uuid/src/main.rs

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2017-01-16 16:34:19 +00:00
#![feature(plugin)]
#![plugin(rocket_codegen)]
#[macro_use]
extern crate lazy_static;
extern crate uuid;
extern crate rocket;
extern crate rocket_contrib;
use std::collections::HashMap;
use uuid::Uuid;
use rocket_contrib::UUID;
#[cfg(test)]
mod tests;
lazy_static! {
// A small people lookup table for the sake of this example. In a real
// application this could be a database lookup. Notice that we use the
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// uuid::Uuid type here and not the rocket_contrib::UUID type.
static ref PEOPLE: HashMap<Uuid, &'static str> = {
let mut m = HashMap::new();
let lacy_id = Uuid::parse_str("7f205202-7ba1-4c39-b2fc-3e630722bf9f").unwrap();
let bob_id = Uuid::parse_str("4da34121-bc7d-4fc1-aee6-bf8de0795333").unwrap();
let george_id = Uuid::parse_str("ad962969-4e3d-4de7-ac4a-2d86d6d10839").unwrap();
m.insert(lacy_id, "Lacy");
m.insert(bob_id, "Bob");
m.insert(george_id, "George");
m
};
}
#[get("/people/<id>")]
fn people(id: UUID) -> Result<String, String> {
// Because UUID implements the Deref trait, we use Deref coercion to convert
// rocket_contrib::UUID to uuid::Uuid.
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Ok(PEOPLE.get(&id)
.map(|person| format!("We found: {}", person))
.ok_or(format!("Person not found for UUID: {}", id))?)
}
fn main() {
rocket::ignite()
.mount("/", routes![people])
.launch();
}