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app.js
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app.js
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const createError = require("http-errors");
const express = require("express");
const path = require("path");
const cookieParser = require("cookie-parser");
const logger = require("morgan");
const db = require("./lib/db/db");
const routes = require("./routes/configure");
const config = require('./lib/config/index'); // don't comment this line. It configures env variables
var app = express();
// view engine setup
app.set("views", path.join(__dirname, "views"));
app.set("view engine", "jade");
app.use(logger("dev"));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, "public")));
// Add headers
app.use(function(req, res, next) {
// Website you wish to allow to connect
res.setHeader("Access-Control-Allow-Origin", "*");
// Request methods you wish to allow
res.setHeader(
"Access-Control-Allow-Methods",
"GET, POST, OPTIONS, PUT, PATCH, DELETE"
);
// Request headers you wish to allow
res.setHeader(
"Access-Control-Allow-Headers",
"X-Requested-With,content-type"
);
// Set to true if you need the website to include cookies in the requests sent
// to the API (e.g. in case you use sessions)
res.setHeader("Access-Control-Allow-Credentials", true);
// Pass to next layer of middleware
next();
});
routes.configure(app); // condifuring the routes
db.connect(); // establishing the database connection
// catch 404 and forward to error handler
app.use(function(req, res, next) {
next(createError(404));
});
// error handler
app.use(function(err, req, res, next) {
// set locals, only providing error in development
res.locals.message = err.message;
res.locals.error = req.app.get("env") === "development" ? err : {};
// render the error page
res.status(err.status || 500);
res.render("error");
});
module.exports = app;