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|
use data;
use handlebars_iron::{HandlebarsEngine, MemorySource, Template};
use iron::headers::ContentType;
use iron::modifiers::Header;
use iron::{self, Iron, Plugin, Chain, Request, Response, IronResult, status};
use rusqlite::Connection;
use std::collections::BTreeMap;
use persistent::Write;
use handlebars_iron::handlebars::to_json;
use serde_json::Map;
use params;
use error::LinoError;
#[derive(Debug)]
pub struct State {
pub connection: Connection,
}
impl iron::typemap::Key for State {
type Value = State;
}
fn get_param(r: &mut Request, param: &str) -> IronResult<String> {
let map = itry!(r.get_ref::<params::Params>());
match map.get(param) {
Some(¶ms::Value::String(ref v)) => Ok(v.to_string()),
_ => Err(From::from(LinoError::NotFound(param.to_string()))),
}
}
fn make_renderer() -> HandlebarsEngine {
let mut e = HandlebarsEngine::new();
let mut templates = BTreeMap::new();
templates.insert(
"quotes".to_string(),
include_str!("data/templates/quotes.hbs").to_string(),
);
templates.insert(
"add".to_string(),
include_str!("data/templates/add.hbs").to_string(),
);
templates.insert(
"add_post".to_string(),
include_str!("data/templates/add_post.hbs").to_string(),
);
e.add(Box::new(MemorySource(templates)));
if let Err(r) = e.reload() {
panic!("Error loading templates: {}", r)
}
e
}
fn quotes(r: &mut Request) -> IronResult<Response> {
let mut result = Map::new();
let quote_id = get_param(r, "id").ok().and_then(
|id| id.parse::<i64>().ok(),
);
let ordering = get_param(r, "order").unwrap_or("".to_string());
let quotes = {
let mu = r.get::<Write<State>>().unwrap();
let state = mu.lock().unwrap();
match quote_id {
Some(id) => vec![data::get_quote(&state.connection, id)?],
None => data::get_quotes(&state.connection, &ordering)?,
}
};
result.insert("quotes".to_string(), to_json("es));
Ok(Response::with((
status::Ok,
Header(ContentType::html()),
Template::new("quotes", result),
)))
}
fn add_get(r: &mut Request) -> IronResult<Response> {
Ok(Response::with((
status::Ok,
Header(ContentType::html()),
Template::new("add", Map::new()),
)))
}
fn add_post(r: &mut Request) -> IronResult<Response> {
let nick = get_param(r, "nick")?;
let date = get_param(r, "date")?;
let quote = get_param(r, "quote")?;
macro_rules! check {
($i:ident) => (
if $i.is_empty() {
return Err(From::from(LinoError::BadRequest(
format!("missing parameter: {}", stringify!($i)))));
}
)
}
check!(nick);
check!(date);
check!(quote);
{
let mu = r.get::<Write<State>>().unwrap();
let state = mu.lock().unwrap();
data::new_quote(&state.connection, &date, &nick, "e)?;
}
Ok(Response::with((
status::Ok,
Header(ContentType::html()),
Template::new("add_post", Map::new()),
)))
}
pub fn serve(state: State, port: u16) {
let router =
router!(
index: get "/" => quotes,
add_get: get "/add.jsp" => add_get,
add_post: post "/add.jsp" => add_post,
quotes_jsp: get "/quotes.jsp" => quotes,
view_quote: get "/view_quote" => quotes,
);
let mut chain = Chain::new(router);
chain.link_after(make_renderer());
chain.link(Write::<State>::both(state));
let bind_address = format!("{}:{}", "::", port);
let _server = Iron::new(chain).http(bind_address.as_str());
info!("Serving on {}", bind_address);
}
|
