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var dbFile = require("../node_simple.js");
var express = require('express');
var router = express.Router();
/* 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 questions page */
router.get('/questions', function(req, res, next) {
res.render('questions');
});
//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);
});
});
/*GET the solutions for a given exam given the question number and the exam_id*/
/*EXPECTED DATA GIVEN BELOW:
array of solutions:
* solutions = [ {
* _id: "354ff71ed078933079d6467e"
* exam_id: "578a44ff71ed097fc3079d6e"
* q_id: 1 (int)
* text: "answer"
* votes: 1 (int)
* comments: [{}.{}] (just going to be string for now i think)
* }
* {
* _id: ...
* exam_id: ..
* q_id: ...
* text: ..
* votes: ..
* comments: ..
*
* }
* ]*/
router.get('/solutions/:exam_id/:q_num', function (req, res) {
dbFile.get_all_solutions(req.params.exam_id,req.params.q_num,function (solutions) {
res.render('solutions', {query: solutions});
console.log(solutions);
});
});
router.get('/add_solution',function (req, res) {
redirect('/add_solutions_page');
});
router.post('/add_solutions/submit', function (req, res) {
//TODO: get the form information for the solutions
});
/**** 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;
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