1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
var dbFile = require("../node_simple.js");
var express = require('express');
var router = express.Router();
var csrf = require('csurf'); // Cross-Site Request Forgery prevention
var passport = require('passport');
var csrfProtection = csrf();
router.use(csrfProtection); // router is protected
/* Render/GET homepage. */
router.get('/', function(req, res, next) {
res.render('index');
req.session.errors = null;
req.session.success = null;
});
/* Render/GET about page */
router.get('/about', function(req, res, next) {
res.render('about');
});
/* Render/GET user_solutions page */
router.get('/user_solutions', function(req, res, next) {
res.render('user_solutions');
});
/* Render/GET user_profile page */
router.get('/user_profile', function(req, res, next) {
res.render('user_profile_alt');
});
/* Render/GET questions page */
router.get('/questions', function(req, res, next) {
res.render('questions');
});
router.get('/admin', function(req,res){
res.render('admin', {csrfToken: req.csrfToken()});
});
/* Adds exam from front-end */
router.post('/admin/update/exam', function(req,res){
var course_code = req.body.course_code,
year = req.body.year,
type = req.body.type,
term = req.body.term,
instructors = parseStringArray(req.body.instructors),
page_count = req.body.page_count,
questions_count = req.body.questions_count,
questions_list = parseStringArray(req.body.questions_list),
upload_date = req.body.upload_date,
uploaded_by = req.body.uploaded_by;
var fields = [
course_code, // String
year, // Int
type, // String; Needs to be added to database code
term, // String
instructors, // Array of strings
page_count, // Int
questions_count, // Int
upload_date, // String
uploaded_by]; // String
dbFile.add_exam(fields, questions_list, function(examAdded, statusMessage){
if(examAdded){
console.log("Success!");
}else{
console.log("Failed!");
}
console.log(statusMessage);
});
res.redirect('/admin');
});
/* Adds course from front-end */
router.post('/admin/update/course', function(req,res){
var course_code = req.body.course_code,
title = req.body.title;
dbFile.add_course(course_code, title, function(courseAdded, statusMessage){
if(courseAdded){
console.log("Success!");
}else{
console.log("Failure!");
}
console.log("Status message: " + statusMessage)
});
res.redirect('/admin');
});
//EXAMPLE EXPECTED DATA GIVEN BELOW:
/*[ {courseCode: 'CSC240',
year: 2016,
term: 'Fall',
instructors: ['Faith Ellen', 'Tom F.'],
type: 'Midterm Examination',
title: 'Thry of Computation' },
{courseCode: 'CSC240',
year: 2014,
term: 'Fall',
instructors: ['Faith Ellen', 'Tom F.'],
type: 'Midterm Examination',
title: 'Thry of Computation' } ]
*/
router.get('/exams/:id', function(req, res, next) {
var minExamInfoArray = [];
dbFile.get_all_exams(req.params.id, function (exams) {
if (exams.length == 0){
console.log("Nothing was found");
}
else {
//console.log(exams);
//only pass over the information that is necessary for the exams page
for (var i = 0; i<exams.length;i++){
var getInstructors = exams[i].instructors.join(", ");
var minExamInfo = { courseCode:exams[i].course_code,
year:exams[i].year,
term:toProperCase(exams[i].term),
instructors: getInstructors,
type:toProperCase(exams[i].type) + " Examination",
title:exams[i].title,
id:exams[i]._id
};
//console.log(minExamInfo);
minExamInfoArray.push(minExamInfo);
}
}
console.log(minExamInfoArray);
res.render('exams', {query: req.params.id, result: minExamInfoArray});
});
});
/* Render/GET search (exam) page */
router.get('/search', function(req, res, next) {
console.log(req.query.search);
var courseName = req.query.search;
res.redirect('/exams/' + courseName);
});
/*EXAMPLE DATA GIVEN BELOW:
* questions = [{id,count,comments},{id,count,comments}] --> array of "question" objects
*
* id = questions number
* count= number of solutions
* comments = number of comments*/
router.get('/questions/:exam_id', function (req,res) {
console.log(req.params.exam_id);
dbFile.get_exam_info_by_ID(req.params.exam_id, function (questions) {
res.render('questions', {query: questions});
console.log(questions);
});
});
router.get('/signup', function(req, res, next) {
res.render('signup', {csrfToken: req.csrfToken(), success: req.session.success, errors: req.session.errors});
});
/*router.post('/signup', passport.authenticate('local_signup', {
successRedirect: '/user_profile',
failureRedirect: '/signup',
failureFlash: true
}));*/
router.post('/signup', function(req, res, next) {
req.check('email', 'Invalid email address').isEmail();
req.check('password', "Password is invalid").isLength({min: 6}).equals(req.body.confirmPassword);
// password has to be at least 4 characters long
var errors = req.validationErrors();
if (errors) {
req.session.errors = errors;
req.session.success = false;
res.redirect('/signup');
} else {
console.log("GOT SUCCESS");
passport.authenticate('local_signup', {
successRedirect: '/user_profile',
failureRedirect: '/signup',
failureFlash: true
})(req, res);
}
//res.redirect('/signup');
});
/*router.post('/signup', passport.authenticate('local.signup', {
sucessRedirect: '/profile',
failureRedirect: '/signup',
failureFlash: true
}));*/
/**** Helpers ****/
function getExamsForCourseCode(courseCode) {
dbFile.get_all_exams(courseCode, function (exams) {
if (exams.length == 0){
console.log("Nothing was found");
}
else {
console.log(exams);
}
});
}
function toProperCase(string) {
return string.replace(/\w\S*/g, function(txt){return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase();});
}
/* Takes an input string delimited by commas, will split by comma and trim white
* spaces. Consider callback.
*/
function parseStringArray(input){
var list = input.split(',');
var parsedList = [];
list.forEach(function(word){
if (word != ""){
parsedList.push(word.trim());
}
});
return parsedList;
}
module.exports = router;
|
