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server.js
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server.js
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require("dotenv").config();
const express = require("express");
const path = require("path");
const SSO = require("sso-ui");
const db = require("./app/models");
const controller = require("./app/controllers/controller");
const app = express();
const session = require("express-session");
const PORT = process.env.PORT || 8000;
// read data from JSON
const fs = require("fs");
const { deadlineVoting, calonNamaAngkatan } = JSON.parse(
fs.readFileSync("serverData.json", "utf8")
);
// minimum year to vote
const date = new Date();
const minimumYear = date.getFullYear() - 1;
// Set deadline for the voting period
const deadline = new Date(deadlineVoting);
app.set("views", path.join(__dirname, ""));
app.set("view engine", "ejs");
app.use(express.static(__dirname + "/static"));
const sso = new SSO({
url: process.env.URL || "http://localhost:3000", // required
session_sso: "sso_user", // defaults to sso_user
});
app.use(
session({
secret: "supersecretkey",
resave: false,
saveUninitialized: true,
})
);
app.use(sso.middleware);
const userMiddleware = (req, res, next) => {
const { sso_user: userSSO } = req;
if (!userSSO) {
return res.redirect("/login");
}
const { role, faculty } = userSSO;
const year = 2000 + parseInt(userSSO.npm.slice(0, 2));
if (
role !== "mahasiswa" ||
faculty !== "ILMU KOMPUTER" ||
year > minimumYear
) {
return res.render("static/unqualified", {
user: userSSO,
minimumYear,
});
}
const currentDate = new Date();
if (currentDate > deadline) {
return res.render("static/closed", {
user: userSSO,
minimumYear,
});
}
next();
};
const adminMiddleware = (req, res, next) => {
const { sso_user: userSSO } = req;
if (!userSSO) {
return res.redirect("/login");
}
if (userSSO.username !== process.env.ADMIN_SSO) {
return res.status(403).render("static/notAdmin", {
user: userSSO,
minimumYear,
});
}
next();
};
// set port, listen for requests
app.listen(PORT, () => {
console.log(`Example app listening at http://localhost:${PORT}`);
});
app.get("/", userMiddleware, async (req, res) => {
const { sso_user: userSSO } = req;
const [user, created] = await controller.createOrGetUser(userSSO);
const calonNama = await controller.findAllNamaAngkatan();
const dataPemilih = await controller.groupYear();
res.render("static/home", {
user,
calonNama,
dataPemilih,
minimumYear,
});
});
app.get("/login", sso.login, async (req, res) => {
res.redirect("/");
});
app.get("/logout", sso.logout);
// req.sso_user vote namaAngkatan with id angkatanId
app.post("/:angkatanId", userMiddleware, async (req, res) => {
const { sso_user: userSSO } = req;
const [user, created] = await controller.createOrGetUser(userSSO);
await controller.voteNamaAngkatan(user, req.params.angkatanId);
res.redirect("/");
});
// get voters statistic for pie chart
app.get("/stats", userMiddleware, async (req, res) => {
const dataPemilih = await controller.groupYear();
res.json(
dataPemilih.map(({ total, year }) => ({
y: parseInt(total),
label: year.toString(),
}))
);
});
// get result statistic for pie chart
app.get("/result-data", adminMiddleware, async (req, res) => {
const hasil = await controller.groupNamaAngkatan();
res.json(
hasil.map(({ total, namaAngkatan }) => ({
y: total,
label: namaAngkatan.name,
}))
);
});
// show result for ADMIN_SSO only
app.get("/result", adminMiddleware, async (req, res) => {
const { sso_user: userSSO } = req;
const hasil = await controller.groupNamaAngkatan();
res.render("static/result", {
user: userSSO,
minimumYear,
hasil,
});
});
const run = async () => {
for (name of calonNamaAngkatan) {
await controller.createNamaAngkatan(name);
}
};
db.sequelize.sync().then(() => {
run();
});