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javascript
3 years ago
9.2 kB
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const express = require('express');
const bodyParser = require('body-parser');
const pdfP = require('pdf2json');
const app = express();
const crypto = require('crypto');
const multer = require('multer');
const { GridFsStorage } = require('multer-gridfs-storage');
const Grid = require('gridfs-stream');
const methodOverride = require('method-override');
const mongoose = require('mongoose')
const fs = require('fs')
const getStream = require('get-stream')
const mysql = require('mysql2');
app.use(bodyParser.json());
app.use(bodyParser.raw())
app.use(bodyParser.urlencoded({ extended: true }));
app.use(methodOverride('_method'));
const path = require('path');
//const db= require("./db");
//const fs= require('fs');
const pdfParse = require("pdf-parse");
const user = require("./models/user");
const uri = 'mongodb+srv://user:dbUser@cluster0.um1b0.mongodb.net/lib?retryWrites=true&w=majority'
const pdfjs = require("pdfjs-dist/legacy/build/pdf")
async function getContent(src, pg) {
const doc = await pdfjs.getDocument(src).promise
const page = await doc.getPage(pg)
return await page.getTextContent()
}
async function getItems(src) {
const content1 = await getContent(src, 1)
const items1 = content1.items
const content2 = await getContent(src, 2)
const items2 = content2.items
const content3 = await getContent(src, 3)
const items3 = content3.items
const content4 = await getContent(src, 4)
const items4 = content4.items
const content5 = await getContent(src, 5)
const items5 = content5.items
const content6 = await getContent(src, 6)
const items6 = content6.items
const content7 = await getContent(src, 7)
const items7 = content7.items
const content8 = await getContent(src, 8)
const items8 = content8.items
const content9 = await getContent(src, 9)
const items9 = content9.items
var page1 = []
var page2 = []
var page3 = []
var page4 = []
var page5 = []
var page6 = []
var page7 = []
var page8 = []
var page9 = []
for (let i = 0; i < items1.length; i++) {
if (isThereAnyText(items1[i])) {
page1.push(items1[i].str)
}
}
for (let i = 0; i < items2.length; i++) {
if (isThereAnyText(items2[i])) {
page2.push(items2[i].str)
}
}
for (let i = 0; i < items3.length; i++) {
if (isThereAnyText(items3[i])) {
page3.push(items3[i].str)
}
}
for (let i = 0; i < items4.length; i++) {
if (isThereAnyText(items4[i])) {
page4.push(items4[i].str)
}
}
for (let i = 0; i < items5.length; i++) {
if (isThereAnyText(items5[i])) {
page5.push(items5[i].str)
}
}
for (let i = 0; i < items6.length; i++) {
if (isThereAnyText(items6[i])) {
page6.push(items6[i].str)
}
}
for (let i = 0; i < items7.length; i++) {
if (isThereAnyText(items7[i])) {
page7.push(items7[i].str)
}
}
for (let i = 0; i < items8.length; i++) {
if (isThereAnyText(items8[i])) {
page8.push(items8[i].str)
}
}
for (let i = 0; i < items9.length; i++) {
if (isThereAnyText(items9[i])) {
page9.push(items9[i].str)
}
}
let pages = []
pages.push(page1)
pages.push(page2)
pages.push(page3)
pages.push(page4)
pages.push(page5)
pages.push(page6)
pages.push(page7)
pages.push(page8)
pages.push(page9)
return pages
}
let selam = 'aaa1'
let regex1 = new RegExp(/\d/)
console.log(regex1.test(selam)); // true
console.log("afasfsda")
function isThereAnyText(item) {
let regex = new RegExp(/[a-z]/i)
let regex1 = new RegExp(/\d/)
if (regex.test(item.str) || regex1.test(item.str)) {
return true
}
return false
}
getItems('Ornektez1.pdf').then(pages => getAllInfo(pages))
function getAllInfo(pages) {
getClassName(pages[0])
getTerm(pages[1])
getAuthorInfo(pages[2])
getProjectSummary(pages[8])
getProjectTitle(pages[0])
getConsultantInfo(pages[1])
getJuryInfo(pages[1])
getKeywords(pages[8])
}
function getClassName(page1) {
console.log(page1[3])
return page1[3]
}
async function getTerm(page2) {
let x = page2[page2.length - 1]
let fallOrSpring = ''
if (x.substring(3, 5) == '01') {
fallOrSpring = 'Güz'
}
else
fallOrSpring = 'Bahar'
let year1 = 0
year1 = parseInt(x.substring(6, 10)) - 1
let year2 = String(year1)
console.log(fallOrSpring + " " + year2 + "-" + x.substring(6, 10))
let term = fallOrSpring + " " + year2 + "-" + x.substring(6, 10)
return term
}
async function getAuthorInfo(page3) {
console.log(page3[page3.length - 3])
console.log(page3[page3.length - 2].substring(13, page3[page3.length - 2].length))
console.log(page3[page3.length - 3].substring(5, 6))
let educationType = ''
if (page3[page3.length - 3].substring(5, 6) == '1') {
educationType = 'Birinci Öğretim'
}
else
educationType = 'İkinci Öğretim'
let authorInfo = page3[page3.length - 2].substring(13, page3[page3.length - 2].length) + ' ' + page3[page3.length - 3] + ' ' + educationType
console.log(authorInfo)
return authorInfo
}
async function getProjectSummary(page9) {
console.log(page9)
let i = 0
while (page9[i] != 'ÖZET') {
i++
}
console.log(i)
let summary = ''
let summary1 = []
i = i + 1
while (page9[i] != 'Anahtar ') {
summary1.push(page9[i])
i++
}
summary = summary1.join(' ')
console.log(summary)
return summary
}
async function getProjectTitle(page1) {
console.log(page1[4])
return page1[4]
}
async function getConsultantInfo(page2) {
console.log(page2[6])
}
async function getJuryInfo(page2) {
console.log(page2[10])
console.log(page2[15])
}
async function getKeywords(page9) {
let i = 0
while (page9[i] != 'Kelimeler: ') {
i++
}
i++
let keywords = ''
for (i; i < page9.length; i++) {
keywords += page9[i]
}
console.log(keywords)
let keywords1 = []
keywords1 = keywords.split(', ')
keywords1[keywords1.length - 1] = keywords1[keywords1.length - 1].slice(0, -1)
console.log(keywords1[keywords1.length - 1])
console.log(keywords1)
return keywords1
}
mongoose.connect(uri, {
useNewUrlParser: true,
useUnifiedTopology: true,
}).then(() => console.log('db is connected')).catch((err) => console.error('Error'));
const a = mongoose.connection;
/* var connection = mysql.createPool({
connectionLimit:10,
host: 'localhost',
user: 'root',
password: '3005',
database: 'emlak_takip'
});
connection.getConnection((err,connection)=>{
if(err) throw err;
console.log("connection established")
}); */
const upload = multer({ dest: "models/files" });
app.get('/', (req, res) => {
res.sendFile(path.join(__dirname, 'index.html'));
});
app.get('/register', (req, res) => {
res.sendFile(path.join(__dirname, 'pass.html'));
});
app.get('/user', (req, res) => {
res.sendFile(path.join(__dirname, 'user.html'));
});
app.get('/admin', (req, res) => {
res.sendFile(path.join(__dirname, 'admin.html'));
});
app.post("/user", upload.single('file'), (req, res, next) => {
pdfParse(req.file.path).then(function (data) {
console.log(data.numpages)
})
.catch(function (error) {
console.log(err);
})
getItems(req.file.path)
});
app.post("/submit", (req, res, next) => {
if (req.body.password == " " && req.body.name == " ") {
return res.status(500).json({
message: "Make sure there isn't any empty field"
});
}
else if (req.body.password == "" || req.body.name == "") {
return res.status(500).json({
message: "Make sure there isn't any empty field"
});
}
else {
user.find({ type: req.body.type, name: req.body.name, pass: req.body.password }).exec()
.then(user => {
if (user.length > 0 && req.body.type == 'admin') {
res.redirect('/admin')
}
else if (user.length > 0 && req.body.type == 'user') {
res.redirect('/user')
}
else {
res.sendFile(path.join(__dirname, 'msg.html'))
}
})
.catch(err => {
console.log(err);
res.status(500).json({
error: err
});
});
}
});
app.post("/changepassword", (req, res, next) => {
if (req.body.oldP == "" || req.body.username == "" || req.body.email == "" || req.body.newP == "") {
return res.status(500).json({
message: "Make sure there isn't any empty field"
});
}
else {
user.findOneAndUpdate({ type: req.body.type, email: req.body.email, name: req.body.username, pass: req.body.oldP }, { pass: req.body.newP }).exec()
.then(doc => {
if (!doc) {
return res.status(500).json({
message: "The information entered is not correct!",
});
}
return res.status(500).json({
message: "Password changed successfully!",
});
}).catch(err => {
console.log(err);
res.status(500).json({
error: err
});
});
}
});
app.listen(3000)