});
/* Load each of our game mini-apps. */
-var empires = require("./empires");
+const engines = {
+ empires: require("./empires"),
+ tictactoe: require("./tictactoe")
+};
class LMNO {
constructor() {
}
generate_id() {
- return [null,null,null,null].map(() => LMNO.letters.charAt(Math.floor(Math.random() * LMNO.letters.length))).join('');
+ return Array(4).fill(null).map(() => LMNO.letters.charAt(Math.floor(Math.random() * LMNO.letters.length))).join('');
}
- create_game(engine) {
+ create_game(engine_name) {
do {
var id = this.generate_id();
} while (id in this.ids);
- const game = new empires.Game();
+ const engine = engines[engine_name];
+
+ const game = new engine.Game();
this.ids[id] = {
- id: id,
- engine: engine,
- game: game
+ id: id,
+ engine: engine.name,
+ game: game
};
return id;
});
/* LMNO middleware to lookup the game. */
-app.use('/empires/:game_id([a-zA-Z0-9]{4})', (request, response, next) => {
+app.use('/:engine([^/]+)/:game_id([a-zA-Z0-9]{4})', (request, response, next) => {
+ const engine = request.params.engine;
const game_id = request.params.game_id;
const canon_id = lmno_canonize(game_id);
- /* Redirect user to page with the canonical ID in it. */
- if (game_id !== canon_id) {
- const new_url = request.originalUrl.replace("/empires/" + game_id,
- "/empires/" + canon_id);
+ /* Redirect user to page with the canonical ID in it, also ensuring
+ * that the game ID is _always_ followed by a slash. */
+ const has_slash = new RegExp(`^/${engine}/${game_id}/`);
+ if (game_id !== canon_id ||
+ ! has_slash.test(request.originalUrl))
+ {
+ const old_path = new RegExp(`/${engine}/${game_id}/?`);
+ const new_path = `/${engine}/${canon_id}/`;
+ const new_url = request.originalUrl.replace(old_path, new_path);
+ console.log("Redirecting from " + request.originalUrl + " to " + new_url);
response.redirect(301, new_url);
return;
}
/* Mount sub apps. only _after_ we have done all the middleware we need. */
-app.use('/empires/[a-zA-Z0-9]{4}/', empires.app);
+for (let key in engines) {
+ const engine = engines[key];
+ app.use(`/${engine.name}/[a-zA-Z0-9]{4}/`, engine.app);
+}
app.listen(4000, function () {
console.log('LMNO server listening on localhost:4000');