Add admin panel

Author: forthright48

README.md

@@ -11,11 +11,11 @@ The server needs to have CUPS installed and have all the printers added to it.
 1. Encrypt passwords
 1. Cannot print more than 50 pages in total.
 1. Instruction on top of page.
-1. Run without internet
-1. Add admin middleware to stop deleting jobs.
-1. View flash messages.
 
 # Done
 1. Stop duplicate consecutive printing.
 1. Disable button on print.
 1. Cannot print more than 10 pages at once.
+1. View flash messages.
+1. Run without internet
+1. Add admin middleware to stop deleting jobs.

controllers/admin.js

@@ -2,10 +2,13 @@ const express = require('express');
 const printer = require('printer');
 const router = express.Router();
 const _ = require('lodash');
+const isAdmin = require('config').middlewares.isAdmin;
 
 router.get('/printers', handler_printers);
 router.get('/jobs', handler_jobs);
 router.get('/jobs/delete/:printerName/:jobId', handler_jobs_delete);
+router.get('/dashboard', get_dashboard);
+router.get('/dashboard/addUser', get_dashboard_addUser);
 
 function handler_printers (req,res){
   res.send(_.map(printer.getPrinters(), 'name'));
@@ -32,11 +35,19 @@ function handler_jobs (req,res){
 function handler_jobs_delete (req,res){
   const {printerName, jobId} = req.params;
   printer.setJob(printerName, parseInt(jobId), 'CANCEL');
-  return res.redirect('/jobs');
+  return res.redirect('/admin/jobs');
+}
+
+function get_dashboard(req, res){
+  return res.render('admin/dashboard');
+}
+
+function get_dashboard_addUser(req, res){
+  return res.render('admin/addUser');
 }
 
 module.exports = {
   addRouter(app) {
-    app.use('/', router);
+    app.use('/admin', isAdmin, router);
   }
 };

controllers/print.js

@@ -34,22 +34,21 @@ router.post('/printCode', login, handler_post_printCode);
 
 function handler_index (req,res){
   return res.render('home', {
-    ip: getReqIp(req),
-    username: req.session.username
+    ip: getReqIp(req)
   });
 }
 
 function saveToFile(pdfDoc) {
   pdfDoc.pipe(fs.createWriteStream('pdfs/basics.pdf'));
 }
 
-function getPDFString(code, reqIp, cb){
+function getPDFString(code, username, cb){
   let totalPages = 0;
   const docDef = {
     header: function(currentPage, pageCount) {
       totalPages = pageCount;
       return {
-        text: currentPage.toString() + ' of ' + pageCount + ` from ${reqIp}`
+        text: currentPage.toString() + ' of ' + pageCount + ` from ${username}`
       };
     },
     content: {
@@ -90,7 +89,7 @@ function handler_post_printCode (req,res){
   const code = req.body.code;
   const reqIp = getReqIp(req);
 
-  getPDFString(code, reqIp, function(err, pdfObj){
+  getPDFString(code, req.session.username, function(err, pdfObj){
     const {pdfString, pdfPageCount} = pdfObj;
 
     if ( pdfPageCount > config.pagePerPrintLimit ) {
@@ -130,7 +129,7 @@ function handler_post_printCode (req,res){
         }
       })
     } else {
-      res.flash('info', 'Testing mode');
+      req.flash('info', 'Testing mode');
       return res.redirect('/');
     }
   });

middlewares/index.js

@@ -1,3 +1,4 @@
 module.exports = {
-  login: require('./login')
+  login: require('./login'),
+  isAdmin: require('./isAdmin')
 }

middlewares/isAdmin.js

@@ -0,0 +1,7 @@
+module.exports = function(req, res, next) {
+  if ( req.session.status == "admin" ) {
+    return next();
+  }
+  req.flash("info", "You must be admin to proceed");
+  return res.redirect('/');
+}

middlewares/passSession.js

@@ -1,4 +1,6 @@
 module.exports = function(req, res, next) {
   res.locals.login = req.session.login;
+  res.locals.username = req.session.username;
+  res.locals.status = req.session.status;
   next();
 }

public/js/script.js

@@ -39,3 +39,18 @@ for (const val in flash) {
     $.notify(flash[val][i], val);
   }
 }
+
+/**Vertical Centering**/
+(function(){
+  var windowHeight = $(window).height();
+  var htmlHeight = $('html').height();
+
+  $('#fill-view').addClass('align-items-center');
+  var fillView = $('#fill-view').height();
+  if (htmlHeight + 5 < windowHeight) {
+    var dif = windowHeight - htmlHeight;
+    $('#fill-view').animate({
+      "min-height": fillView + dif
+    }, 300);
+  }
+})();

views/admin/addUser.pug

@@ -0,0 +1,19 @@
+extends ../layout.pug
+
+block content
+  .row#fill-view
+    .col
+      form(action='/admin/dashboard/addUsers', method='post')
+        .row
+          .col
+            .form-group
+              label(for='usercsv')
+              textarea#usercsv.form-control(name='usercsv', style="height:500px;").
+                Upload a csv file content here to add users. Users who already exist in db, will be updated. New users will be inserted. Users not present in the text provided will be unaltered. Enter each user with the following format: Username, Password, Printer An Example is provided below.
+
+
+                samiul, 12345, 0
+                forthright48, 54321, 1
+        .row
+          .col.text-center
+            input.btn.btn-primary.mr-1.disableOnClick(type='submit', value='Add Users')

views/admin/dashboard.pug

@@ -0,0 +1,9 @@
+extends ../layout.pug
+
+block content
+  .row.align-items-center#fill-view.justify-content-center
+    .col.text-center
+      h2 Dashboard
+      .list-group.d-inline-flex
+        a(href='/admin/dashboard/addUser').list-group-item.list-group-item-action
+          span Add User

views/home.pug

@@ -1,12 +1,14 @@
 extends layout.pug
 
 block content
-  form(action='/printCode', method='post')
-    .row
-      .col
-        .form-group
-          label(for='code')
-          textarea#code.form-control(name='code', style="height:500px;") Paste code here
-    .row
-      .col.text-center
-        input.btn.btn-primary.mr-1.disableOnClick(type='submit', value='Print')
+  .row#fill-view
+    .col
+      form(action='/printCode', method='post')
+        .row
+          .col
+            .form-group
+              label(for='code')
+              textarea#code.form-control(name='code', style="height:500px;") Paste code here
+        .row
+          .col.text-center
+            input.btn.btn-primary.mr-1.disableOnClick(type='submit', value='Print')

views/jobList.pug

@@ -1,27 +1,17 @@
-doctype html
-html(lang='en')
-  head
+extends layout.pug
 
-    title Print Server
-
-    link(rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" integrity="sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQKnKkoFVhFQhNUwEyJ" crossorigin="anonymous")
-
-    script(src="https://code.jquery.com/jquery-3.2.1.min.js")
-
-
-  body
-    .container
-      table.table
-        thead
-          th Printer Name
-          th Job ID
-          th Status
-          th Delete
-        tbody
-          each job in jobQ
-            tr
-              td= job.printerName
-              td= job.jobID
-              td= job.status
-              td
-                a(href=`/jobs/delete/${job.printerName}/${job.jobID}`) Delete
+block content
+  table.table
+    thead
+      th Printer Name
+      th Job ID
+      th Status
+      th Delete
+    tbody
+      each job in jobQ
+        tr
+          td= job.printerName
+          td= job.jobID
+          td= job.status
+          td
+            a(href=`/admin/jobs/delete/${job.printerName}/${job.jobID}`) Delete

views/login.pug

@@ -1,8 +1,10 @@
 extends layout.pug
 
 block content
-  .row
+  .row#fill-view
     .col-6.offset-3
+      .text-center
+        h2 Login
       form(action='/user/login', method='post')
         .form-group
           label(for="username") User Name

views/partials/header.pug

@@ -5,4 +5,7 @@
     h1.text-center Print Server
   if login == true
     .col.text-right
+      if status == "admin"
+        a(href="/admin/dashboard") Dashboard
+        span    
       a(href="/user/logout") Logout