json.rs

extern crate rustc_serialize;
#[macro_use] extern crate nickel;

use nickel::{Nickel, HttpRouter, JsonBody};

#[derive(RustcDecodable, RustcEncodable)]
pub struct Messages {
    messages: Vec<Message>
}
#[derive(RustcDecodable, RustcEncodable)]
pub struct Message {
  body: String,
  from: String,
  id: String,
  type: String
}

pub struct Response {
  body: String,
  to: String,
  type: String
}

fn handle_message(message: &Message) {
  let response = Response {
    body: "Hello there",
    to: message.from,
  };
}

fn main() {
    let mut server = Nickel::new();

    server.post("/message", middleware! { |request, response|
        let messages = request.json_as::<Messages>().unwrap();
        for message in messages.messages.iter() {
          handle_message(message);
        }

        format!("Hello {}", messages.messages.len());
    });

    server.listen("127.0.0.1:6767");
}