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use std::fs;
use std::sync::Arc;
use anyhow::anyhow;
use http_types::mime;
use tide::prelude::*;
use tide::Request;
use crate::datafiles::*;
use crate::format::*;
use crate::*;
pub async fn server_main() -> tide::Result<()> {
// ---- load data files ----
eprintln!("Loading JMdict_e.xml...");
let jmdict_raw = fs::read_to_string("data/JMdict_e.xml").expect("read_jmdict");
let jmdict_raw: &'static str = String::leak(jmdict_raw);
eprintln!("Parsing JMdict_e.xml...");
let jmdict = roxmltree::Document::parse_with_options(
&jmdict_raw,
roxmltree::ParsingOptions {
allow_dtd: true,
..Default::default()
},
)
.expect("parse_jmdict");
let jmdict_xml = Box::leak(Box::new(jmdict));
eprintln!("Indexing JMdict_e.xml...");
let jmdict_idx = index_jmdict(jmdict_xml);
eprintln!("Loading batches.json...");
let batches = read_batches().expect("read/parse");
let batches = Box::leak(batches.into_boxed_slice());
eprintln!("Loading kanji levels...");
let kanji_levels = read_kanji_levels().expect("read_kanji_levels");
let mut index_bytes = Vec::new();
format_index_to(&mut index_bytes, &batches, &kanji_levels).unwrap();
let index = String::leak(String::from_utf8(index_bytes).unwrap());
// ---- setup http server ----
let state = Arc::new(StateStruct {
jmdict_raw,
jmdict_xml,
jmdict_idx,
batches,
index,
});
let mut app = tide::with_state(state);
app.with(tide::log::LogMiddleware::new());
app.at("/").get(home_page);
app.at("/index.html").get(home_page);
app.at("/style.css").serve_file("static/style.css")?;
app.at("/about.html").get(about_page);
app.at("/:batch").get(batch_page);
// ---- serve actual http ----
eprintln!("Server listening on 127.0.0.1:8080");
app.listen("127.0.0.1:8080").await?;
Ok(())
}
type State = Arc<StateStruct>;
#[allow(dead_code)]
struct StateStruct {
jmdict_raw: &'static str,
jmdict_xml: &'static roxmltree::Document<'static>,
jmdict_idx: DictIndex<'static>,
batches: &'static [Batch],
index: &'static str,
}
async fn home_page(req: Request<State>) -> tide::Result {
Ok(tide::Response::builder(200)
.body(req.state().index)
.content_type(mime::HTML)
.build())
}
async fn about_page(_req: Request<State>) -> tide::Result {
let mut about = Vec::new();
format_about_to(&mut about)?;
Ok(tide::Response::builder(200)
.body(about)
.content_type(mime::HTML)
.build())
}
async fn batch_page(req: Request<State>) -> tide::Result {
let batch_idx = req.param("batch")?;
let batch_idx: usize = batch_idx
.strip_suffix(".html")
.unwrap_or(batch_idx)
.parse()?;
let batch = req
.state()
.batches
.get(batch_idx)
.ok_or(anyhow!("this batch number does not exist"))?;
let mut buf = vec![];
format_batch_to(
&mut buf,
&req.state().jmdict_idx,
req.state().batches.len(),
batch_idx,
batch,
)?;
Ok(tide::Response::builder(200)
.body(buf)
.content_type(mime::HTML)
.build())
}
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