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server.js
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server.js
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const express = require('express');
const { render } = require('pug');
const session = require('express-session');
const fs = require('fs');
const port = 3000;
var bodyParser = require('body-parser');
let app = express();
const spawn = require('child_process').spawn;
const {albums, CreateNewAlbum, AddImagesToAlbum, comparePhotosArray, comparePhotos, deleteImagesFromAlbum} = require('./imageCompare.js');
function User_FindFacesInPhoto(req,res,next)
{
let image = req.query.image;
if (image == null)
{
renderError(req,res,next, "No image provided", 404);
console.log("No image provided");
return;
}
var response;
const python = spawn('python', ['imageCompare.py', 'faces_in_image', image]);
python.stdout.on('data', function (data) {
console.log('Pipe data from python script ...');
response = data.toString();
});
python.on('close', (code) => {
console.log(`child process exited with code ${code}`);
// send data to browser
if (response === "[]" || response === undefined || response === "" || response === null)
{
res.status(404).send("No faces found");
return;
}
response = response.replace(/'/gm, '"');
response = JSON.parse(response);
res.send(response);
});
}
function User_FindPhotosOfPerson(req,res,next)
{
let image = req.query.image;
let source_image = req.query.source_image;
let folder = req.query.albumName;
var response;
if (image == null || source_image == null || folder == null)
{
res.status(404).send("Criteria not provided: image, source_image, album");
return;
}
//let folder_images = Array.from(albums[folder].processedImages);
const python = spawn('python', ['imageCompare.py', 'find_photos_of_person', image, source_image]);
// collect data from script
python.stdout.on('data', function (data) {
console.log('Pipe data from python script ...');
response = data.toString();
console.log(response);
});
python.on('close', (code) => {
console.log(`child process exited with code ${code}`);
console.log(response);
// send data to browser
if (response === "[]" || response === undefined || response === "" || response === null)
{
res.status(404).send("No photos found");
return;
}
response = response.replace(/'/gm, '"');
response = JSON.parse(response);
AddImagesToAlbum(req.query.albumName, response);
res.status(200).send("Images added to album.");
});
}
server();
function server(){
app.use(session({
secret: 'some secret here',
cookie: {maxAge:500000},
resave: true,
saveUninitialized: true
}));
app.set("view engine", "pug");
app.use(express.static('public'));
app.use(express.json());
app.use(bodyParser.json());
app.use(express.urlencoded({ extended: true }));
app.get("/", render_homepage);
app.get("/login", render_login);
app.get("/signup", render_signup);
app.get("/dashboard", render_dashboard);
app.get("/album/:albumName", render_album);
app.get("/albumCreation", render_albumCreation);
app.post("/duplicates/:albumName", User_FindDuplicates);
app.get("/faces", User_FindFacesInPhoto);
app.get("/personPhotos", User_FindPhotosOfPerson);
app.post("/login", User_Login, render_dashboard);
app.post("/create", User_CreateNewAlbum, render_albumCreation);
app.post("/album", User_AddImagesToAlbum);
app.post("/album/:albumName", User_ChangeAlbumName);
app.post("/reorder", User_ReorderImages)
app.delete("/album", User_DeleteImages, images_delete_response);
app.use(renderError);
app.listen(port);
console.log("Listening on port 3000");
}
function User_Login(req,res,next)
{
if(req.body.username == null)
{
renderError(req,res,next, "No username provided", 404);
return;
}
if(req.body.password == null)
{
renderError(req,res,next, "No password provided", 404);
return;
}
if (req.session.loggedin) {
next();
return;
}
req.session.loggedin = true;
next();
}
function User_CreateNewAlbum(req,res,next)
{
if (req.body.albumName == null)
{
renderError(req,res,next, "No album name provided", 404);
return;
}
result = CreateNewAlbum(req.body.albumName);
if (result == "[ERR] album already exists")
{
renderError(req,res,next, "album already exists", 404);
}
else
{
next();
}
}
function User_ChangeAlbumName(req,res,next)
{
if (decodeURIComponent(req.body.albumName) === decodeURIComponent(req.params.albumName))
{
res.status(200).redirect("/album/" + req.body.albumName);
return;
}
let existing_keys = Object.keys(albums)
for (key in existing_keys)
{
if (key.toLowerCase() === ((decodeURIComponent(req.body.albumName)).toLowerCase()))
{
renderError(req,res,next, "album already exists", 404);
return;
}
}
albums[decodeURIComponent(req.body.albumName)] = {};
albums[req.body.albumName] = albums[decodeURIComponent(req.params.albumName)];
delete albums[decodeURIComponent(req.params.albumName)];
res.status(200).redirect("/album/" + req.body.albumName);
}
async function User_AddImagesToAlbum(req,res,next)
{
if (req.body.albumName == null)
{
renderError(req,res,next, "No album provided", 404);
return;
}
if (albums[req.body.albumName] == null)
{
renderError(req,res,next, "No album with that name", 404);
return;
}
if (req.body.images == null)
{
renderError(req,res,next, "No images provided", 404);
return;
}
result = await AddImagesToAlbum(req.body.albumName, req.body.images);
res.status(200).send("Images Added");
}
function User_FindDuplicates(req,res,next)
{
if (req.params.albumName == null)
{
renderError(req,res,next, "No album name provided", 404);
return;
}
req.body.similaritythresold = Number(req.body.similaritythresold);
if (req.body.similaritythresold === null)
{
req.body.similaritythresold = 0.0;
}
if (req.body.similaritythresold === 100)
{
req.body.similaritythresold = 0.0;
}
if (req.body.similaritythresold > 85 && req.body.similaritythresold < 100)
{
req.body.similaritythresold = 0.15;
}
comparePhotosArray(albums[req.params.albumName].images, req.body.similaritythresold);
console.log("Duplicate groups: ");
let duplicates = [];
let deletion = [];
for (let i = 0; i < albums[req.params.albumName].images.length; i++) {
if (albums[req.params.albumName].images[i].duplicates.size == 0) continue;
console.log("\n");
console.log(albums[req.params.albumName].images[i].pathOrigin);
let dupes_group = [];
dupes_group.push(albums[req.params.albumName].images[i].pathOrigin);
for (const el of albums[req.params.albumName].images[i].duplicates)
{
console.log(el);
dupes_group.push(el);
deletion.push(el);
}
duplicates.push(dupes_group);
}
deleteImagesFromAlbum(req.params.albumName, deletion);
console.log(albums[req.params.albumName].processedImages);
res.status(200).redirect("/album/" + req.params.albumName);
}
function User_DeleteImages(req,res,next)
{
if (req.body.albumName == null)
{
renderError(req,res,next, "No album name provided", 404);
return;
}
if (req.body.images == null)
{
renderError(req,res,next, "No images provided", 404);
}
deleteImagesFromAlbum(req.body.albumName, req.body.images);
console.log(albums[req.body.albumName].processedImages);
next();
}
function User_ReorderImages(req,res,next)
{
console.log(req.body.images);
console.log(req.body.albumName);
res.status(200).send("Images Reordered");
}
function images_delete_response(req,res,next)
{
res.status(200).send("Images Deleted");
}
function render_login(req,res,next)
{
res.status(200).render("login.pug");
}
function render_homepage(req,res,next)
{
res.status(200).render("index.pug");
}
function render_dashboard(req,res,next)
{
let albums_list = Object.keys(albums);
let album_dict = [];
for (let i = 0; i < albums_list.length; i++) {
let album_entry = { name : albums_list[i], link : "/album/" + albums_list[i], cover : "emptyalbum.png"};
if (albums[albums_list[i]].images.length > 0)
{
console.log(albums[albums_list[i]]);
album_entry.cover = Array.from(albums[albums_list[i]].processedImages)[0].replace("./public", "");
}
album_dict.push(album_entry);
}
res.status(200).render("dashboard", {albums : album_dict});
}
function render_signup(req,res,next)
{
res.status(200).render("signup");
}
function render_albumCreation(req,res,next)
{
switch (req.headers.accept)
{
case "application/json":
res.set('Content-Type', 'application/json').send("album created");
break;
default:
res.status(200).redirect("/album/" + req.body.albumName);
break;
}
}
function render_album(req,res,next)
{
// if (!req.session.loggedin)
// {
// res.redirect("/login");
// return;
// }
if (albums[req.params.albumName] == null)
{
renderError(req,res,next, "Album does not exist", 404);
return;
}
let response = [];
let array = Array.from(albums[req.params.albumName].images);
array = array.sort(( a, b) => {b.index - a.index});
for (let i = 0; i < array.length; i++) {
response.push(array[i].pathOrigin);
}
if (req.headers.accept === "application/json")
{
res.status(200).send(response);
console.log(response);
return;
}
for (let i = 0; i <response.length; i++) {
response[i] = response[i].replace("./public", "");
}
let gallery_images = fs.readdirSync("./public/img");
for (let i = 0; i <gallery_images.length; i++) {
gallery_images[i] = "/img/" + gallery_images[i];
}
res.status(200).render("albumCreation", {album : response, albumName : req.params.albumName, gallery : gallery_images});
}
function renderError(req,res,next, errorMessage = "Invalid Request", errorCode = 404 ){ //return a page with error message
switch (req.headers.accept)
{
case "application/json":
res.set('Content-Type', 'application/json').status(errorCode).json({error: errorCode, message: errorMessage});
break;
default:
res.status(errorCode).render("error", {error: errorCode, message: errorMessage});
break;
}
}