From e877ecaa6b7cfe630f69cc04ba3e1af53eaa4c67 Mon Sep 17 00:00:00 2001
From: Sriram Hariharan <sghsri@gmail.com>
Date: Sat, 10 Aug 2019 19:00:16 -0500
Subject: [PATCH] refactored and cleaned up calendar

---
 calendar.html       |   3 +
 js/Template.js      |  32 +++
 js/background.js    |  71 ------
 js/calendar.js      | 599 ++++++++++++++++++++++----------------------
 js/config.js        |  26 +-
 js/courseCatalog.js |  38 ++-
 js/util.js          |  70 ++++++
 js/utplanner.js     |   4 +-
 8 files changed, 442 insertions(+), 401 deletions(-)

diff --git a/calendar.html b/calendar.html
index 07b34c99..99c9ab02 100644
--- a/calendar.html
+++ b/calendar.html
@@ -36,4 +36,7 @@
 </body>
 <script src='js/lib/html2canvas.min.js'></script>
 <script src='js/lib/ics.min.js'></script>
+<script src='js/config.js'></script>
+<script src='js/util.js'></script>
+<script src='js/Template.js'></script>
 <script src='js/calendar.js'></script>
\ No newline at end of file
diff --git a/js/Template.js b/js/Template.js
index f96f0cab..64ba781b 100644
--- a/js/Template.js
+++ b/js/Template.js
@@ -50,4 +50,36 @@ class Template {
     static extensionButton() {
         return `<td data-th="Plus"><input type="image" class="distButton" id="distButton" width="20" height="20" src='${chrome.extension.getURL('images/disticon.png')}'/></td>`
     }
+
+    static calendarLine(line) {
+        return `<p class='time' style='font-size:large;'>
+                    <span style='display:inline-block;'>${line[0]}:</span>
+                    <span style='margin-left:10px;display:inline-block;text-align:center;'>${line[1]} to ${line[2]}</span>
+                    <span style='float:right;display:inline-block;text-align:right;width: 25%;'>
+                        <a target='_blank' style='color:#3c87a3;text-decoration:none;'href='${line[3]}'>${line[4]}</a>
+                    </span>
+                </p>`
+    }
+
+
+    static calendarModal() {
+        return `<div id="myModal" class="modal">
+                    <div class="modal-content">
+                    <span class="close">&times;</span>
+                    <div class="card">
+                        <div id="colorStrip" style="height:10px;"></div>
+                        <div class="cardcontainer">
+                            <div id='header'>
+                                <div style="display:flex;">
+                                    <h2 id="classname">Classname</h2>
+                                </div>
+                                <p id="prof">Prof</p>
+                            </div>
+                            <button id="info" class="matbut" style="font-size:medium; margin-right: auto; margin-left:auto; background: #2196F3;">More Info</button>
+                            <button id="register" class="matbut" style="font-size:medium; margin-right: auto; margin-left:10px; background: #4CAF50;">Register</button>
+                            <button id="remove" class="matbut" style="font-size:medium;margin:10px;background: #FF0000;">Remove</button>
+                        </div>
+                    </div>
+                </div>`
+    }
 }
\ No newline at end of file
diff --git a/js/background.js b/js/background.js
index 31abec64..c0440845 100644
--- a/js/background.js
+++ b/js/background.js
@@ -24,9 +24,6 @@ chrome.runtime.onMessage.addListener(function (request, sender, response) {
         case "updateStatus":
             updateStatus(response);
             break;
-        case "getLine":
-            getLine(request.dtarr, response);
-            break;
         case "alreadyContains":
             alreadyContains(request.unique, response);
             break;
@@ -341,72 +338,4 @@ function updateStatus(sendResponse) {
         }
         // console.log("updated status' and registerlinks");
     });
-}
-
-/* Find if the unique is already contained within the storage*/
-function getLine(datetimearr, sendResponse) {
-    var output = makeLine(datetimearr);
-    console.log(output);
-    sendResponse({
-        line: output
-    });
-}
-
-/* convert from the dtarr and maek the time lines*/
-function makeLine(datetimearr) {
-    //converted times back
-    var output = [];
-    var dtmap = makeMap(datetimearr);
-    var timearr = Array.from(dtmap.keys());
-    var dayarr = Array.from(dtmap.values());
-    for (var i = 0; i < dayarr.length; i++) {
-        var place = findLoc(dayarr[i], timearr[i], datetimearr);
-        var building = place.substring(0, place.search(/\d/) - 1);
-        if (building == "") {
-            building = "Undecided Location";
-        }
-        output.push([dayarr[i], timearr[i].split(",")[0], timearr[i].split(",")[1], 'https://maps.utexas.edu/buildings/UTM/' + building, place]);
-    }
-    return output;
-}
-
-function makeMap(datetimearr) {
-    var dtmap = new Map([]);
-    for (var i = 0; i < datetimearr.length; i++) {
-        //console.log(datetimearr[i][1][0]);
-        datetimearr[i][1][0] = moment(datetimearr[i][1][0], ["HH:mm A"]).format("h:mm A");
-        datetimearr[i][1][1] = moment(datetimearr[i][1][1], ["HH:mm A"]).format("h:mm A");
-    }
-    for (var i = 0; i < datetimearr.length; i++) {
-        if (dtmap.has(String(datetimearr[i][1]))) {
-            dtmap.set(String(datetimearr[i][1]), dtmap.get(String(datetimearr[i][1])) + datetimearr[i][0]);
-        } else {
-            dtmap.set(String(datetimearr[i][1]), datetimearr[i][0]);
-        }
-    }
-    return dtmap
-}
-//find the location of a class given its days and timearrs.
-function findLoc(day, timearr, datetimearr) {
-    for (let i = 0; i < datetimearr.length; i++) {
-        var dtl = datetimearr[i];
-        // console.log(dtl[1]);
-        //  console.log(timearr);
-        if (day.includes(dtl[0])) {
-            if (JSON.stringify(timearr) == JSON.stringify(fixDtl1(dtl[1]))) {
-                return dtl[2];
-            }
-        }
-    }
-}
-
-function fixDtl1(dtl1) {
-    let output = "";
-    for (let i = 0; i < dtl1.length; i++) {
-        output += dtl1[i];
-        if (i != dtl1.length - 1) {
-            output += ",";
-        }
-    }
-    return output;
 }
\ No newline at end of file
diff --git a/js/calendar.js b/js/calendar.js
index fb7c15cc..a80f3af5 100644
--- a/js/calendar.js
+++ b/js/calendar.js
@@ -1,318 +1,307 @@
-$(function () {
-    const materialColors = ['#4CAF50', '#CDDC39',
-        '#FFC107', '#2196F3', '#F57C00', '#9C27B0', '#FF5722', '#673AB7',
-        '#FF5252', '#E91E63', '#009688', '#00BCD4',
-        '#4E342E', '#424242', '#9E9E9E'
-    ];
+var color_counter = 0;
+var {
+    calendar_fade_time,
+    button_delay
+} = Timing;
 
-    var options = {
 
-        foreignObjectRendering: true,
-        logging: true,
-        removeContainer: true,
-        async: true,
-    }
 
-    const days = new Map([
-        ["M", "Monday"],
-        ["T", "Tuesday"],
-        ["W", "Wednesday"],
-        ["TH", "Thursday"],
-        ["F", "Friday"]
-    ]);
-    const fadetime = 150;
-    const butdelay = 75;
-    $("#calendar").after(`<div id="myModal" class="modal">
-                                <div class="modal-content">
-                                <span class="close">&times;</span>
-                                <div class="card">
-                                    <div id="colorStrip" style="height:10px;"></div>
-                                    <div class="cardcontainer">
-                                        <div id='header'>
-                                            <div style="display:flex;">
-                                                <h2 id="classname">Classname</h2>
-                                            </div>
-                                            <p id="prof">Prof</p>
-                                        </div>
-                                        <button id="info" class="matbut" style="font-size:medium; margin-right: auto; margin-left:auto; background: #2196F3;">More Info</button>
-                                        <button id="register" class="matbut" style="font-size:medium; margin-right: auto; margin-left:10px; background: #4CAF50;">Register</button>
-                                        <button id="remove" class="matbut" style="font-size:medium;margin:10px;background: #FF0000;">Remove</button>
-                                    </div>
-                                </div>
-                            </div>`);
-    // Counter to iterate through material colors to avoid duplicates
-    var colorCounter = 0;
-    // Each schedule needs to store 'TITLE - START TIME - END TIME - COLOR'
-    var classSchedules = [];
-    var savedCourses = [];
-    var currindex = 0;
-    chrome.storage.sync.get("savedCourses", function (data) {
-        // Iterate through each saved course and add to 'event'
-        savedCourses = data.savedCourses;
-        setAllEvents(savedCourses);
+var saved_courses = [];
+var curr_course = {}
 
-        $("#calendar").fullCalendar({
-            editable: false, // Don't allow editing of events
-            handleWindowResize: true,
-            weekends: false, // will hide Saturdays and Sundays
-            slotDuration: "00:30:00", // 15 minute intervals on vertical column
-            slotEventOverlap: false, // No overlapping between events
-            defaultView: "agendaWeek", // Only show week view
-            header: false, // Hide buttons/titles
-            minTime: "08:00:00", // Start time
-            maxTime: "21:00:01", // End time
-            columnHeaderFormat: "ddd", // Only show day of the week names
-            displayEventTime: true, // Display event time
-            allDaySlot: false,
-            Duration: {
-                hours: 1
-            },
-            height: 'auto',
-            events: classSchedules,
-            slotLabelFormat: [
-                'h:mm A' // lower level of text
-            ],
-            eventRender: function (event, element, view) {
-                $(element).css("padding", "5px");
-                $(element).css("margin-bottom", "5px");
+$("#calendar").after(Template.calendarModal());
 
-            },
-            eventClick: function (data, event, view) {
-                $("#myModal").fadeIn(fadetime);
-                $("#colorStrip").css('background-color', data.color);
-                currindex = data.index;
-                $("#classname").html(`${savedCourses[currindex].coursename} <span style='font-size:small'>(${savedCourses[currindex].unique})</span>`);
-                chrome.runtime.sendMessage({
-                    command: "getLine",
-                    dtarr: savedCourses[currindex].datetimearr,
-                }, function (response) {
-                    // update the DOM
-                    $('#timelines').remove();
-                    setTimeout(function () {
-                        var arr = response.line;
-                        console.log(arr);
-                        var output = "";
-                        for (let i = 0; i < arr.length; i++) {
-                            let line = arr[i];
-                            output +=
-                                `<p class='time' style='font-size:large;'>
-                                    <span style='display:inline-block;'>${line[0]}:</span>
-                                    <span style='margin-left:10px;display:inline-block;text-align:center;'>${line[1]} to ${line[2]}</span>
-                                    <span style='float:right;display:inline-block;text-align:right;width: 25%;'>
-                                        <a target='_blank' style='color:#3c87a3;text-decoration:none;'href='${line[3]}'>${line[4]}</a>
-                                    </span>
-                                </p>`;
-                        }
-                        $("#header").after("<div id='timelines'>" + output + "</div");
-                    }, 0);
 
-                });
 
-                var uncapProf = prettifyName(savedCourses[currindex].profname);
-                if (uncapProf == "") {
-                    uncapProf = "Undecided";
-                }
-                $("#prof").html(`with <span style='font-weight:bold;'>${uncapProf}</span>`);
-
-                let status = savedCourses[currindex].status;
-
-                let registerlink = savedCourses[currindex].registerlink;
-                if (status.includes("closed") || status.includes("cancelled") || !status || !registerlink) {
-                    $("#register").text("Can't Register").css("background-color", "#FF5722");
-                } else if (status.includes("waitlisted")) {
-                    $("#register").text("Join Waitlist").css("background-color", "#FF9800");
-                } else {
-                    $("#register").text("Register").css("background-color", "#4CAF50");
-                }
-
-            }
-        });
-    });
-
-    // When the user clicks on <span> (x), close the modal
-    $(".close").click(() => {
-        $("#myModal").fadeOut(fadetime);
-    });
-    $("#info").click(() => {
-        var currLink = savedCourses[currindex].link;
-        setTimeout(() => {
-            window.open(currLink);
-        }, butdelay);
-    });
-    $("#save").click(() => {
-        takePicture();
-    });
-    $("#clear").click(() => {
-        /*Clear the list and the storage of courses*/
-        chrome.storage.sync.set({
-            savedCourses: []
-        });
-        chrome.tabs.query({}, function (tabs) {
-            for (var i = 0; i < tabs.length; i++) {
-                chrome.tabs.sendMessage(tabs[i].id, {
-                    command: "updateCourseList"
-                });
-            }
-        });
-        updateCalendar();
-        chrome.runtime.sendMessage({
-            command: "updateBadge"
-        });
-
-    });
-    $("#remove").click(() => {
-        setTimeout(() => {
-            chrome.runtime.sendMessage({
-                command: "courseStorage",
-                course: savedCourses[currindex],
-                action: "remove"
-            }, function (response) {
-                $("#myModal").fadeOut(fadetime);
-                updateCalendar();
-                chrome.tabs.query({}, function (tabs) {
-                    for (var i = 0; i < tabs.length; i++) {
-                        chrome.tabs.sendMessage(tabs[i].id, {
-                            command: "updateCourseList"
-                        });
-                    }
-                });
-            });
-        }, butdelay);
-    });
-    $("#register").click(function () {
-        let registerlink = savedCourses[currindex].registerlink;
-        let status = savedCourses[currindex].status;
-        if (!(status.includes("closed") || status.includes("cancelled") || !status || !registerlink)) {
-            setTimeout(() => {
-                window.open(registerlink);
-            }, butdelay);
-        }
-    });
-
-    $("#export").click(function () {
-        var cal = ics();
-        var calendarEvents = $('#calendar').fullCalendar('clientEvents');
-        for (i in calendarEvents) {
-            let event = calendarEvents[i];
-            var title = event.title;
-            var classname = title.substring(0, title.indexOf('with'));
-            var description = title.substring(title.indexOf('with'));
-            var time = event.start._d.toUTCString();
-            cal.addEvent(classname, description, event.building, event.start._i, event.end._i, {
-                rrule: `RRULE:FREQ=WEEKLY;BYDAY=${time.substring(0, time.indexOf(",") - 1).toUpperCase()};INTERVAL=1`
-            });
-        }
-        cal.download("My_Course_Calendar");
-    });
-
-    function takePicture() {
-        var width = $("#calendar").width();
-        var height = $("#calendar").height();
-        let cropper = document.createElement('canvas').getContext('2d');
-        html2canvas(document.querySelector("#calendar"), options).then(c => {
-            cropper.canvas.width = width;
-            cropper.canvas.height = height;
-            cropper.drawImage(c, 0, 0);
-            var a = document.createElement('a');
-            a.href = cropper.canvas.toDataURL("image/png");
-            a.download = 'mySchedule.png';
-            a.click();
-        });
-    }
-
-    /*Close Modal when hit escape*/
-    $(document).keydown((e) => {
-        if (e.keyCode == 27) {
-            $("#myModal").fadeOut(fadetime);
-        }
-        $("#snackbar").attr("class", "");
-    });
-    // When the user clicks anywhere outside of the modal, close it
-    window.onclick = (event) => {
-        var modal = document.getElementById("myModal");
-        if (event.target == modal) {
-            $("#myModal").fadeOut(fadetime);
-        }
-    }
+chrome.storage.sync.get("savedCourses", function (data) {
     // Iterate through each saved course and add to 'event'
-    function setAllEvents(savedCourses) {
-        colorCounter = 0;
-        classSchedules = [];
-        var hours = 0;
-        for (let i = 0; i < savedCourses.length; i++) {
-            var classInfo = savedCourses[i];
-            var course_nbr = classInfo.coursename.substring(classInfo.coursename.search(/\d/), classInfo.coursename.indexOf(" ", classInfo.coursename.search(/\d/)));
-            hours += parseInt(course_nbr.substring(course_nbr.search(/\d/), course_nbr.search(/\d/) + 1));
-            for (let j = 0; j < savedCourses[i].datetimearr.length; j++) {
-                let session = savedCourses[i].datetimearr[j]; // One single session for a class
-                setEventForSection(session, colorCounter, i);
-            }
-            colorCounter++;
-        }
-        $("#hours").text(hours + " Hours");
-        $("#num").text(savedCourses.length + " Courses");
-    }
+    saved_courses = data.savedCourses;
+    let event_source = buildEventSource(saved_courses);
 
-    //create the event object for every section
-    function setEventForSection(session, colorCounter, i) {
-        // console.log(moment().startOf('month').format("YYYY-MM-D"));
-        // console.log(moment().day(fullday));
-        var fullday = days.get(session[0]);
-        var classInfo = savedCourses[i];
-        console.log(session);
-        var department = classInfo.coursename.substring(0, classInfo.coursename.search(/\d/) - 2);
-        var course_nbr = classInfo.coursename.substring(classInfo.coursename.search(/\d/), classInfo.coursename.indexOf(" ", classInfo.coursename.search(/\d/)));
-        var uncapProf = prettifyName(classInfo.profname);
-        if (uncapProf == "") {
-            uncapProf = "Undecided";
+    $("#calendar").fullCalendar({
+        editable: false, // Don't allow editing of events
+        handleWindowResize: true,
+        weekends: false, // will hide Saturdays and Sundays
+        slotDuration: "00:30:00", // 15 minute intervals on vertical column
+        slotEventOverlap: false, // No overlapping between events
+        defaultView: "agendaWeek", // Only show week view
+        header: false, // Hide buttons/titles
+        minTime: "08:00:00", // Start time
+        maxTime: "21:00:01", // End time
+        columnHeaderFormat: "ddd", // Only show day of the week names
+        displayEventTime: true, // Display event time
+        allDaySlot: false,
+        Duration: {
+            hours: 1
+        },
+        height: 'auto',
+        events: event_source,
+        slotLabelFormat: [
+            'h:mm A' // lower level of text
+        ],
+        eventRender: function (event, element, view) {
+            $(element).css("padding", "5px").css("margin-bottom", "5px");
+        },
+        eventClick: function (data, event, view) {
+            displayModal(data)
         }
-        var year = moment().day(fullday)._d.toString().split(" ")[3];
-        var monthNum = moment(moment().day(fullday)._d.toString().split(" ")[1], "MMM").format('MM');
-        var beg = `${year}-${monthNum}-`;
-        classSchedules.push({
-            title: `${department}-${course_nbr} with ${uncapProf}`,
-            start: beg +
-                moment()
-                .day(fullday)
-                ._d.toString()
-                .split(" ")[2] +
-                "T" +
-                session[1][0] +
-                ":00",
-            end: beg +
-                moment()
-                .day(fullday)
-                ._d.toString()
-                .split(" ")[2] +
-                "T" +
-                session[1][1] +
-                ":00",
-            color: materialColors[colorCounter],
-            building: session[2],
-            index: i,
-            allday: false
-        });
-    }
-    chrome.runtime.onMessage.addListener(
-        function (request, sender, sendResponse) {
-            if (request.command == "updateCourseList" || request.command == "courseAdded") {
-                updateCalendar();
-            }
-        });
+    });
+});
 
-    function updateCalendar() {
-        chrome.storage.sync.get("savedCourses", function (data) {
-            savedCourses = data.savedCourses
-            setAllEvents(data.savedCourses);
-            // console.log(classSchedules);
-            $('#calendar').fullCalendar('removeEventSources');
-            $("#calendar").fullCalendar('addEventSource', classSchedules, true);
-        });
+
+
+
+function displayModal(data) {
+    $("#myModal").fadeIn(calendar_fade_time);
+    $("#colorStrip").css('background-color', data.color);
+    curr_course = saved_courses[data.index];
+    setUpModal()
+}
+
+function setUpModal() {
+    let {
+        coursename,
+        unique,
+        datetimearr,
+        profname,
+        status,
+        registerlink
+    } = curr_course;
+    $("#classname").html(`${coursename} <span style='font-size:small'>(${unique})</span>`);
+    buildTimeTitle(datetimearr);
+    $("#prof").html(`with <span style='font-weight:bold;'>${capitalizeString(profname)}</span>`);
+    setRegisterButton(status, registerlink)
+}
+
+function setRegisterButton(status, registerlink) {
+    if (canNotRegister(status, registerlink))
+        $("#register").text("Can't Register").css("background-color", "#FF5722");
+    else if (status.includes("waitlisted"))
+        $("#register").text("Join Waitlist").css("background-color", "#FF9800");
+    else
+        $("#register").text("Register").css("background-color", "#4CAF50");
+}
+
+
+function canNotRegister(status, registerlink) {
+    return status.includes("closed") || status.includes("cancelled") || !status || !registerlink
+}
+
+
+function buildTimeTitle(datetimearr) {
+    $('#timelines').remove();
+    var arr = convertDateTimeArrToLine(datetimearr)
+    var output = "";
+    for (let i = 0; i < arr.length; i++) {
+        output += Template.calendarLine(arr[i]);
     }
-    /* Format the Professor Name */
-    function prettifyName(profname) {
-        return profname.replace(/\w\S*/g, function (txt) {
-            return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase();
-        });
+    $("#header").after(`<div id='timelines'>${output}</div`);
+}
+
+
+// Iterate through each saved course and add to 'event'
+function buildEventSource(savedCourses) {
+    color_counter = 0;
+    let event_source = [];
+    var hours = 0;
+    for (let i = 0; i < savedCourses.length; i++) {
+        let {
+            coursename,
+            datetimearr
+        } = savedCourses[i];
+        let number = seperateCourseNameParts(coursename).number;
+        hours += parseInt(number.charAt(0));
+        for (let j = 0; j < datetimearr.length; j++) {
+            let session = datetimearr[j]; // One single session for a class
+            let event_obj = setEventForSection(session, color_counter, i);
+            event_source.push(event_obj);
+        }
+        color_counter++;
     }
-});
\ No newline at end of file
+    $("#hours").text(hours + " Hours");
+    $("#num").text(savedCourses.length + " Courses");
+    return event_source;
+}
+
+//create the event object for every section
+function setEventForSection(session, colorCounter, i) {
+    let full_day = days.get(session[0]);
+    let course = saved_courses[i];
+    let {
+        coursename,
+        profname,
+    } = course;
+    let {
+        department,
+        number
+    } = seperateCourseNameParts(coursename)
+    beg_day = calculateBeginningDate(full_day)
+    start_date = formatCalculateDate(beg_day, full_day, session[1][0]);
+    end_date = formatCalculateDate(beg_day, full_day, session[1][1]);
+
+    event_obj = {
+        title: `${department}-${number} with ${capitalizeString(profname)}`,
+        start: start_date,
+        end: end_date,
+        color: Colors.material_colors[colorCounter],
+        building: session[2],
+        index: i,
+        allday: false
+    };
+    return event_obj;
+}
+
+function formatCalculateDate(beg_day, full_day, hour) {
+    return beg_day + moment().day(full_day)._d.toString().split(" ")[2] + "T" + hour + ":00";
+}
+
+function calculateBeginningDate(full_day) {
+    var year = moment().day(full_day)._d.toString().split(" ")[3];
+    var month_num = moment(moment().day(full_day)._d.toString().split(" ")[1], "MMM").format('MM');
+    return `${year}-${month_num}-`;
+}
+
+function updateCalendar() {
+    chrome.storage.sync.get("savedCourses", function (data) {
+        saved_courses = data.savedCourses
+        let event_source = buildEventSource(saved_courses);
+        $('#calendar').fullCalendar('removeEventSources');
+        $("#calendar").fullCalendar('addEventSource', event_source, true);
+    });
+}
+chrome.runtime.onMessage.addListener(
+    function (request, sender, sendResponse) {
+        if (request.command == "updateCourseList" || request.command == "courseAdded") {
+            updateCalendar();
+        }
+    }
+);
+
+
+
+
+$("#info").click(() => {
+    setTimeout(() => {
+        window.open(curr_course.link);
+    }, button_delay);
+});
+
+
+$("#save").click(() => {
+    takePicture();
+});
+
+
+$("#clear").click(() => {
+    /*Clear the list and the storage of courses*/
+    chrome.storage.sync.set({
+        savedCourses: []
+    });
+    chrome.tabs.query({}, function (tabs) {
+        for (let i = 0; i < tabs.length; i++) {
+            chrome.tabs.sendMessage(tabs[i].id, {
+                command: "updateCourseList"
+            });
+        }
+    });
+    updateCalendar();
+    chrome.runtime.sendMessage({
+        command: "updateBadge"
+    });
+});
+
+
+$("#remove").click(() => {
+    setTimeout(() => {
+        chrome.runtime.sendMessage({
+            command: "courseStorage",
+            course: curr_course,
+            action: "remove"
+        }, function () {
+            $("#myModal").fadeOut(calendar_fade_time);
+            updateCalendar();
+            chrome.tabs.query({}, function (tabs) {
+                for (let i = 0; i < tabs.length; i++) {
+                    chrome.tabs.sendMessage(tabs[i].id, {
+                        command: "updateCourseList"
+                    });
+                }
+            });
+        });
+    }, button_delay);
+});
+
+
+$("#register").click(function () {
+    let {
+        registerlink,
+        status
+    } = curr_course;
+    if (!canNotRegister(status, registerlink)) {
+        setTimeout(() => {
+            window.open(registerlink);
+        }, button_delay);
+    }
+});
+
+$("#export").click(function () {
+    var cal = ics();
+    var calendarEvents = $('#calendar').fullCalendar('clientEvents');
+    for (i in calendarEvents) {
+        var event = calendarEvents[i];
+        buildICSFile(cal, event);
+    }
+    cal.download("My_Course_Calendar");
+});
+
+
+function buildICSFile(cal, event) {
+    let {
+        title,
+        start,
+        end,
+        building
+    } = event;
+    let class_name = title.split('with')[0];
+    let description = `with ${title.split('with')[1]}`;
+    let time = start._d.toUTCString();
+    cal.addEvent(class_name, description, building, start._i, end._i, {
+        rrule: `RRULE:FREQ=WEEKLY;BYDAY=${time.substring(0, time.indexOf(",") - 1).toUpperCase()};INTERVAL=1`
+    });
+}
+
+function takePicture() {
+    var width = $("#calendar").width();
+    var height = $("#calendar").height();
+    let cropper = document.createElement('canvas').getContext('2d');
+    html2canvas(document.querySelector("#calendar"), Export.png_options).then(c => {
+        cropper.canvas.width = width;
+        cropper.canvas.height = height;
+        cropper.drawImage(c, 0, 0);
+        var a = document.createElement('a');
+        a.href = cropper.canvas.toDataURL("image/png");
+        a.download = 'mySchedule.png';
+        a.click();
+    });
+}
+
+
+/*Close Modal when hit escape*/
+$(document).keydown((e) => {
+    if (e.keyCode == 27) {
+        $("#myModal").fadeOut(calendar_fade_time);
+    }
+});
+
+$('.close').click(function () {
+    close();
+});
+$('#myModal').click(function (event) {
+    if (event.target.id == 'myModal') {
+        close();
+    }
+});
+
+function close() {
+    $("#myModal").fadeOut(calendar_fade_time);
+}
\ No newline at end of file
diff --git a/js/config.js b/js/config.js
index a592cccd..b792fba0 100644
--- a/js/config.js
+++ b/js/config.js
@@ -1,2 +1,24 @@
-const fadetime = 150;
-const butdelay = 75;
\ No newline at end of file
+class Timing {
+    static fade_time = 100;
+    static calendar_fade_time = 100;
+    static button_delay = 75;
+}
+
+
+class Colors {
+    static material_colors = ['#4CAF50', '#CDDC39',
+        '#FFC107', '#2196F3', '#F57C00', '#9C27B0', '#FF5722', '#673AB7',
+        '#FF5252', '#E91E63', '#009688', '#00BCD4',
+        '#4E342E', '#424242', '#9E9E9E'
+    ];
+}
+
+
+class Export {
+    static png_options = {
+        foreignObjectRendering: true,
+        logging: true,
+        removeContainer: true,
+        async: true,
+    }
+}
\ No newline at end of file
diff --git a/js/courseCatalog.js b/js/courseCatalog.js
index 9be8abea..bfccfff0 100644
--- a/js/courseCatalog.js
+++ b/js/courseCatalog.js
@@ -64,7 +64,6 @@ $("body").on('click', '#distButton', function () {
 	getDistribution(curr_course);
 });
 
-
 $("#myModal").on('click', '#saveCourse', function () {
 	setTimeout(function () {
 		saveCourse();
@@ -74,25 +73,25 @@ $("#myModal").on('click', '#saveCourse', function () {
 $("#Syllabi").click(function () {
 	setTimeout(function () {
 		window.open(curr_course["links"]["syllabi"]);
-	}, butdelay);
+	}, Timing.button_delay);
 });
 $("#rateMyProf").click(function () {
 	setTimeout(function () {
 		window.open(curr_course["links"]["rate_my_prof"]);
-	}, butdelay);
+	}, Timing.button_delay);
 });
 $("#eCIS").click(function () {
 	setTimeout(function () {
 		window.open(curr_course["links"]["ecis"]);
-	}, butdelay);
+	}, Timing.button_delay);
 });
 $("#textbook").click(function () {
 	setTimeout(function () {
 		window.open(curr_course["links"]["textbook"]);
-	}, butdelay);
+	}, Timing.button_delay);
 });
 $("#semesters").on('change', function () {
-	var sem = $(this).val();
+	let sem = $(this).val();
 	sem = sem == "Aggregate" ? undefined : sem;
 	getDistribution(curr_course, sem);
 });
@@ -104,13 +103,6 @@ $("#retry").click(function () {
 });
 
 
-function sepNameParts(name) {
-	numIndex = name.search(/\d/);
-	department = name.substring(0, numIndex).trim();
-	number = name.substring(numIndex, name.indexOf(" ", numIndex)).trim();
-	name = capitalizeString(name.substring(name.indexOf(" ", numIndex)).trim());
-	return [name, department, number];
-}
 
 function updateLinks(course_info, first_name) {
 	let {
@@ -143,14 +135,18 @@ function buildCourseLinks(course_info) {
 }
 
 function buildBasicCourseInfo(row, course_name, individual) {
-	let namedata = sepNameParts(course_name)
+	let {
+		name,
+		department,
+		number
+	} = seperateCourseNameParts(course_name);
 	let instructor_text = $(row).find('td[data-th="Instructor"]').text();
 	let has_initial = instructor_text.indexOf(',') > 0;
 	course_info = {
 		"full_name": course_name,
-		"name": namedata[0],
-		"department": namedata[1],
-		"number": namedata[2],
+		"name": name,
+		"department": department,
+		"number": number,
 		"individual": individual ? individual : $(row).find('td[data-th="Unique"] a').prop('href'),
 		"register": $(row).find('td[data-th="Add"] a').prop('href'),
 		"unique": $(row).find('td[data-th="Unique"]').text(),
@@ -282,7 +278,7 @@ function getDayTimeArray(row, course_info) {
 	return daytimearray;
 }
 
-function makeLine(date, time, place) {
+function convertDateTimeArrToLine(date, time, place) {
 	var arr = seperateDays(date)
 	var output = prettifyDaysText(arr)
 	var building = place.substring(0, place.search(/\d/) - 1);
@@ -329,7 +325,7 @@ function buildTimeTitle(course_info) {
 		var date = days[i];
 		var time = times[i];
 		var place = places[i];
-		lines.push($(`<h2 class="dateTimePlace">${makeLine(date, time, place)}</th>`));
+		lines.push($(`<h2 class="dateTimePlace">${convertDateTimeArrToLine(date, time, place)}</th>`));
 	}
 	return lines;
 }
@@ -365,7 +361,7 @@ function openDialog(course_info, res) {
 	$("#title").text(buildTitle(course_info))
 	$("#topbuttons").before(buildTimeTitle(course_info));
 	$("#profname").text(buildProfTitle(course_info));
-	$("#myModal").fadeIn(fadetime);
+	$("#myModal").fadeIn(Timing.fade_time);
 	//initial text on the "save course button"
 	chrome.runtime.sendMessage({
 		command: "alreadyContains",
@@ -576,6 +572,6 @@ function allowClosing() {
 }
 
 function close() {
-	$("#myModal").fadeOut(fadetime);
+	$("#myModal").fadeOut(Timing.fade_time);
 	$("#snackbar").attr("class", "");
 }
\ No newline at end of file
diff --git a/js/util.js b/js/util.js
index 4a4f9c8b..66af3a48 100644
--- a/js/util.js
+++ b/js/util.js
@@ -228,4 +228,74 @@ function buildChartConfig(data) {
             }]
         }]
     }
+}
+
+function seperateCourseNameParts(name) {
+    let num_index = name.search(/\d/);
+    department = name.substring(0, num_index).trim();
+    number = name.substring(num_index, name.indexOf(" ", num_index)).trim();
+    name = capitalizeString(name.substring(name.indexOf(" ", num_index)).trim());
+    return {
+        name: name,
+        department: department,
+        number: number
+    }
+}
+
+/* convert from the dtarr and maek the time lines*/
+function convertDateTimeArrToLine(datetimearr) {
+    var output = [];
+    var dtmap = makeDateTimeApp(datetimearr);
+    var timearr = Array.from(dtmap.keys());
+    var dayarr = Array.from(dtmap.values());
+    for (var i = 0; i < dayarr.length; i++) {
+        var place = findLocation(dayarr[i], timearr[i], datetimearr);
+        var building = place.substring(0, place.search(/\d/) - 1);
+        if (building == "") {
+            building = "Undecided Location";
+        }
+        output.push([dayarr[i], timearr[i].split(",")[0], timearr[i].split(",")[1], 'https://maps.utexas.edu/buildings/UTM/' + building, place]);
+    }
+    return output;
+}
+
+function makeDateTimeApp(datetimearr) {
+    var dtmap = new Map([]);
+    for (var i = 0; i < datetimearr.length; i++) {
+        //console.log(datetimearr[i][1][0]);
+        datetimearr[i][1][0] = moment(datetimearr[i][1][0], ["HH:mm A"]).format("h:mm A");
+        datetimearr[i][1][1] = moment(datetimearr[i][1][1], ["HH:mm A"]).format("h:mm A");
+    }
+    for (var i = 0; i < datetimearr.length; i++) {
+        if (dtmap.has(String(datetimearr[i][1]))) {
+            dtmap.set(String(datetimearr[i][1]), dtmap.get(String(datetimearr[i][1])) + datetimearr[i][0]);
+        } else {
+            dtmap.set(String(datetimearr[i][1]), datetimearr[i][0]);
+        }
+    }
+    return dtmap
+}
+//find the location of a class given its days and timearrs.
+function findLocation(day, timearr, datetimearr) {
+    for (let i = 0; i < datetimearr.length; i++) {
+        var dtl = datetimearr[i];
+        // console.log(dtl[1]);
+        //  console.log(timearr);
+        if (day.includes(dtl[0])) {
+            if (JSON.stringify(timearr) == JSON.stringify(reformatDateTime(dtl[1]))) {
+                return dtl[2];
+            }
+        }
+    }
+}
+
+function reformatDateTime(dtl1) {
+    let output = "";
+    for (let i = 0; i < dtl1.length; i++) {
+        output += dtl1[i];
+        if (i != dtl1.length - 1) {
+            output += ",";
+        }
+    }
+    return output;
 }
\ No newline at end of file
diff --git a/js/utplanner.js b/js/utplanner.js
index b3c54023..b941124a 100644
--- a/js/utplanner.js
+++ b/js/utplanner.js
@@ -75,7 +75,7 @@ function openDialog(course_data, res) {
     $("#title").text(buildTitle(course_data))
     $("#topbuttons").before(buildTimeTitle(course_data["times"]));
     $("#profname").text(buildProfTitle(course_data));
-    $("#myModal").fadeIn(fadetime);
+    $("#myModal").fadeIn(Timing.fade_time);
     buildSemestersDropdown(course_data, res)
     var data = []
     if (!badData(course_data, res))
@@ -198,5 +198,5 @@ function setChart(data) {
 }
 
 function close() {
-    $("#myModal").fadeOut(fadetime);
+    $("#myModal").fadeOut(Timing.fade_time);
 }
\ No newline at end of file