app.js

"use strict";
var express = require("express");
var hbs = require("handlebars");
var exphbs = require("express-handlebars");
var bodyParser = require("body-parser");
var app = express();
var crypto = require("crypto");

app.use(bodyParser.urlencoded({
	extended: false
}));
app.use(bodyParser.json());
app.engine("handlebars", exphbs({
	defaultLayout: "main",
  helpers: {
    authenticated: function() {
      return new hbs.SafeString("<a href=\"#auth\"><i class=\"fa fa-key\" data-toggle=\"tooltip\" title=\"Authenticated Endpoint\"></i></a>");
    }
  }
}));
app.set("view engine", "handlebars");
app.set("json spaces", 4);

app.use(function(req, res, next) {
	res.removeHeader('x-powered-by');
	next();
});

var index = require("./routes/index");
var players = require("./routes/players");
var forums = require("./routes/forums");
var tournaments = require("./routes/tournaments");
var teams = require("./routes/teams");
var channels = require("./routes/channels");
var stats = require("./routes/stats");
var alerts = require("./routes/alerts");
var punishments = require("./routes/punishments");
var staff = require("./routes/staff");
var maps = require("./routes/maps");
var servers = require("./routes/servers");
var friends = require("./routes/friends");
var matches = require("./routes/matches");
var redis = require("./modules/cache");
var instance = redis.getRedis();

function checkCache(req, res, next) {
	var cacheKey = req.originalUrl;
	var key = crypto.createHash("md5").update(cacheKey).digest("hex");
	instance.hgetall(key, function(err, obj) {
		if (err || !obj) {
			return next();
		}
		res.setHeader("X-Response-Type", "cached");
		return res.status(obj.status).json(JSON.parse(obj.body)); // parse the JSON so it's formatted
	});
}

app.use(checkCache);

app.use("/assets", express.static("public"));

app.use("/", index);
app.use("/players", players);
app.use("/forums", forums);
app.use("/tournaments", tournaments);
app.use("/teams", teams);
app.use("/channels", channels);
app.use("/stats", stats);
app.use("/alerts", alerts);
app.use("/punishments", punishments);
app.use("/staff", staff);
app.use("/maps", maps);
app.use("/servers", servers);
app.use("/friends", friends);
app.use("/matches", matches);

app.use(function(req, res, next) {
	var err = new Error("Not Found");
	err.status = 404;
	next(err);
});

app.use(function(err, req, res, next) {
	res.status(err.status || 500);
	if (err.status === 404) {
		res.send("404 not found");
	} else {
		console.error(err, err.stack);
		res.send("500 server error");
	}
});

// enable CORS
app.use(function(req, res, next) {
	res.header("Access-Control-Allow-Origin", "*");
	res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
	next();
});

String.prototype.escapeSpecialChars = function() {
	return this.replace(new RegExp("\\n", "g"), "", "");
};

// for some reason cheerio parses various lines with
// spaces as new lines, rather than spaces
String.prototype.spaceSpecialChars = function() {
	return this.replace(new RegExp("\\n", "g"), " ", " ");
};

String.prototype.contains = function(it) {
	return this.indexOf(it) != -1;
};

module.exports = app;