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middleware.js
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middleware.js
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const myDB = require('./DB');
const fs = require('fs');
function CheckAuth(req, res, next) {
if(req.isAuthenticated()) {
return res.redirect('/');
}
return next();
}
function CheckNoAuth(req, res, next) {
if(!req.isAuthenticated()) {
return res.redirect('/login');
}
return next();
}
async function GetDB(req, res, next) {
let queryId = 1;
if(req.query.page) {
queryId = req.query.page;
}
//console.log(queryId, req.query.page);
res.posts = await myDB.DB(queryId, res.withFollow, res.follows);
return next();
}
async function GetUserPosts(req, res, next) {
const user = await myDB.FindUser(req.params.user);
if (user) {
res.withFollow = true;
res.follows = user.id;
}else {
res.withFollow = false;
}
return next();
}
async function GetFollow(req, res, next) {
const f = await myDB.GetFollows(req.user.username)
const following = JSON.parse(f.follows);
let fString = '';
for (let i = 0; i < following.F.length; i++) {
if (i == following.F.length-1) {
fString += following.F[i];
} else {
fString += following.F[i]+',';
}
}
if (following.F.length < 1) {
fString = '0';
}
res.follows = fString;
res.withFollow = true;
return next();
}
function DelBanner(req, res, next) {
if (req.user.banner != 'banner.svg') {
fs.unlinkSync(`./public/img/banners/${req.user.banner}`);
}
return next();
}
function DelAvatar(req, res, next) {
if (req.user.avatar != 'avatar.svg') {
fs.unlinkSync(`./public/img/avatars/${req.user.avatar}`);
}
return next();
}
module.exports = {CheckAuth, CheckNoAuth, GetDB, GetFollow, GetUserPosts, DelBanner, DelAvatar};