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script.js
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script.js
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function hide(id) {
var x = document.getElementById(id);
x.style.display = "none";
}
function show(id) {
var x = document.getElementById(id);
x.style.display = "block";
}
function toggle() {
var toggle = document.getElementById("toggle");
var schedule1 = document.getElementById("schedule1").value;
var schedule2 = document.getElementById("schedule2").value;
var prefix = "https://gatech.courseoff.com/share";
if (schedule1.includes(prefix) && schedule2.includes(prefix)) {
if (toggle.style.display === "none") {
hide('inputForm');
document.getElementById('sch1link').href = schedule1;
document.getElementById('sch2link').href = schedule2;
getBoundaries(schedule1, schedule2);
} else {
hide('toggle');
}
} else {
alert("Please enter valid URLs");
}
}
function getBoundaries(url1, url2) {
show('loader');
var request = $.ajax({
url: 'fetchBoundaries.php',
type: 'get',
dataType: 'html',
data: {
url1: url1,
url2: url2
}
});
request.done( function ( data ) {
hide('loader');
show('toggle');
data = data.split(' ');
urlOneData = data[0];
urlTwoData = data[1];
urlOneData = formatData(urlOneData);
urlTwoData = formatData(urlTwoData);
var mergedArray = mergeArrays(urlOneData, urlTwoData);
var finalArr = [];
var flatArr = [];
mergedArray.forEach(function(row) {
row = removeDuplicates(mergeIntervals(row));
finalArr.push(row);
var flat = [].concat.apply([], row);
flat.unshift(0.0);
flat.push(100.0);
flatArr.push(flat);
});
drawFreeTime(finalArr, flatArr);
});
request.fail( function ( jqXHR, textStatus) {
console.log( 'Sorry: ' + textStatus );
});
}
function removeDuplicates(arr) {
var newArr = [];
for (var i = 0; i < arr.length; i++) {
if (!newArr.includes(arr[i])) {
newArr.push(arr[i]);
}
}
return newArr;
}
function mergeArrays(arr1, arr2) {
for (var i = 0; i < arr1.length; i++) {
for (var j = 0; j < arr2[i].length; j++) {
arr1[i].push(arr2[i][j]);
}
}
return arr1;
}
function mergeIntervals(intervals) {
// test if there are at least 2 intervals
if(intervals.length <= 1)
return intervals;
var stack = [];
var top = null;
// sort the intervals based on their start values
intervals = intervals.sort();
// push the 1st interval into the stack
stack.push(intervals[0]);
// start from the next interval and merge if needed
for (var i = 1; i < intervals.length; i++) {
// get the top element
top = stack[stack.length - 1];
// if the current interval doesn't overlap with the
// stack top element, push it to the stack
if (top[1] < intervals[i][0]) {
stack.push(intervals[i]);
}
// otherwise update the end value of the top element
// if end of current interval is higher
else if (top[1] < intervals[i][1]) {
top[1] = intervals[i][1];
stack.pop();
stack.push(top);
}
}
return stack;
}
function formatData(data) {
data = data.split('|');
for (var i = 0; i < data.length; i++) {
data[i] = data[i].split(':');
for (var j = 0; j < data[i].length; j++) {
//remove extraneous commas
if (data[i][j].charAt(0) == ',') {
data[i][j] = data[i][j].substr(1);
}
if (data[i][j].charAt(data[i][j].length - 1) == ',') {
data[i][j] = data[i][j].slice(0, -1);
}
//convert to floats
data[i][j] = data[i][j].split(',');
data[i][j][0] = parseFloat(data[i][j][0]);
data[i][j][1] = parseFloat(data[i][j][1]);
}
genericSort(0, data[i]);
}
return data;
}
function genericSort(index, array) {
array.sort(function(a,b) {return a[index] > b[index]});
}
function drawFreeTime(arr, boundaries) {
console.log(boundaries);
var days = ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday'];
for (var i = 0; i < boundaries.length; i++) {
console.log("Index: " + i);
for (var j = 0; j < boundaries[i].length; j += 2) {
var top = boundaries[i][j];
var height = boundaries[i][j + 1] - boundaries[i][j];
if (height > 2.0) {
console.log("top: " + top + " | height: " + height);
var div = document.createElement('div');
div.className = 'course-box';
div.style.top = String(top) + "%";
div.style.height = String(height) + "%";
var childDiv = document.createElement('div');
childDiv.className = 'course-cal pinned';
childDiv.style.backgroundColor = "rgb(121, 242, 121)";
childDiv.borderColor = "rgb(121, 242, 121)";
div.appendChild(childDiv);
document.getElementById(days[i]).appendChild(div);
}
}
}
}