DerexXD/UT-Registration-Plus
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background.js comments

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This commit is contained in:
sghsri
2020-08-26 15:39:47 -05:00
parent b0188437fb
commit fefc3516c5
5 changed files with 82 additions and 83 deletions
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2
calendar.html
View File

@@ -1,5 +1,5 @@
<!DOCTYPE html>
<!-- This file is the html file serving the "My Schedule / Calendar" page. -->
<head>
<link rel='stylesheet' href='css/fullcalendar.min.css' />
<link rel='stylesheet' href='css/_materialFullCalendar.css' />

158
js/background.js
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@@ -1,8 +1,10 @@
var grades;
console.log(`UT Registration Plus background page: ${window.location.href}`);
var grades; // caching the grades database in memory for faster queries
var current_semesters = {};
var departments = [];
var should_open = false;
var should_open = false; // toggled flag for automatically opening popup on new pages when 'more info' hit
// these are the default options that the extension currently supports
const default_options = {
loadAll: true,
courseConflictHighlight: true,
@@ -11,6 +13,13 @@ const default_options = {
onStartup();
function onStartup() {
updateBadge(true);
loadDataBase();
getCurrentSemesters();
getCurrentDepartments();
}
/* Handle messages and their commands from content and popup scripts*/
chrome.runtime.onMessage.addListener(function (request, sender, response) {
switch (request.command) {
@@ -89,38 +98,27 @@ chrome.runtime.onInstalled.addListener(function (details) {
setDefaultOptions();
chrome.storage.sync.get("savedCourses", function (data) {
if (!data.savedCourses) {
chrome.storage.sync.set(
{
savedCourses: new Array(),
},
function () {
console.log("initial course list");
}
);
chrome.storage.sync.set({
savedCourses: [],
});
}
});
} else if (details.reason == "update") {
console.log("updated");
// if there's been an update, call setDefaultOptions in case their settings have gotten wiped
setDefaultOptions();
console.log("updated");
}
});
chrome.storage.onChanged.addListener(function (changes) {
for (key in changes) {
console.log(changes);
if (key === "savedCourses") {
updateBadge(false, changes.savedCourses.newValue);
updateBadge(false, changes.savedCourses.newValue); // update the extension popup badge whenever the savedCourses have been changed
}
}
});
function onStartup() {
updateBadge(true);
loadDataBase();
getCurrentSemesters();
getCurrentDepartments();
}
// get the value of an option if it exists
function getOptionsValue(key, sendResponse) {
chrome.storage.sync.get("options", function (data) {
if (!data.options) {
@@ -133,10 +131,12 @@ function getOptionsValue(key, sendResponse) {
});
}
// set the value of an option if it exists
function setOptionsValue(key, value, sendResponse) {
chrome.storage.sync.get("options", function (data) {
let new_options = data.options;
if (!data.options) {
// if there are no options set, set the defaults
setDefaultOptions();
new_options = default_options;
}
@@ -146,8 +146,6 @@ function setOptionsValue(key, value, sendResponse) {
options: new_options,
},
function () {
console.log(key);
console.log(new_options);
sendResponse({
value: new_options[key],
});
@@ -156,6 +154,7 @@ function setOptionsValue(key, value, sendResponse) {
});
}
// set the default options if the options haven't been set before
function setDefaultOptions() {
chrome.storage.sync.get("options", function (data) {
if (!data.options) {
@@ -164,20 +163,21 @@ function setDefaultOptions() {
options: default_options,
},
function () {
console.log("default options:");
console.log(default_options);
console.log("default options:", default_options);
}
);
}
});
}
// scrape the registrar schedules page for caching the current active semesters
function getCurrentSemesters() {
$.get("https://registrar.utexas.edu/schedules", function (response) {
if (response) {
htmlToNode(response)
.find(".callout2>ul>li>a")
.each(function (i) {
// only show as many semesters as we want to display
if (i < Popup.num_semesters) {
let sem_name = $(this).text().trim();
if (sem_name != "Course Schedule Archive") {
@@ -203,14 +203,14 @@ function getCurrentSemesters() {
});
}
// use the utexas review api for getting the list of departments
function getCurrentDepartments() {
$.get("https://www.utexasreview.com/api/get_major", function (response) {
if (response) {
console.log("getCurrentDepartments -> response", response);
let { majors } = response;
let indices = Object.keys(majors);
let new_departments = [];
for(let i = 0; i<indices.length; i++){
for (let i = 0; i < indices.length; i++) {
new_departments.push(majors[i].abr);
}
departments = new_departments;
@@ -218,6 +218,7 @@ function getCurrentDepartments() {
});
}
// update the badge text to reflect the new changes
function updateBadge(first, new_changes) {
if (new_changes) {
updateBadgeText(first, new_changes);
@@ -229,6 +230,7 @@ function updateBadge(first, new_changes) {
}
}
// update the badge text to show the number of courses that have been saved by the user
function updateBadgeText(first, courses) {
let badge_text = courses.length > 0 ? `${courses.length}` : "";
let flash_time = !first ? 200 : 0;
@@ -236,6 +238,7 @@ function updateBadgeText(first, courses) {
text: badge_text,
});
if (!first) {
// if isn't the first install of the extension, flash the badge to bring attention to it
chrome.browserAction.setBadgeBackgroundColor({
color: Colors.badge_flash,
});
@@ -259,16 +262,10 @@ function checkConflicts(sendResponse) {
if (isConflict(course_a.datetimearr, course_b.datetimearr)) conflicts.push([course_a, course_b]);
}
}
if (conflicts.length == 0) {
sendResponse({
isConflict: false,
});
} else {
sendResponse({
isConflict: true,
between: conflicts,
});
}
sendResponse({
isConflict: conflicts.length === 0,
between: conflicts.length ? conflicts : undefined,
});
});
}
@@ -364,6 +361,7 @@ function alreadyContains(unique, sendResponse) {
});
}
// find if a course with the current unique number exists in the user's saved courses
function contains(courses, unique) {
var i = 0;
while (i < courses.length) {
@@ -375,10 +373,12 @@ function contains(courses, unique) {
return false;
}
// does it have the same unique number as provided
function isSameCourse(course, unique) {
return course.unique == unique;
}
// send a message to every tab open to updateit's course list (and thus recalculate its conflicts highlighting)
function updateTabs() {
chrome.tabs.query({}, function (tabs) {
for (var i = 0; i < tabs.length; i++) {
@@ -389,52 +389,52 @@ function updateTabs() {
});
}
const UPDATE_INTERVAL = 1000 * 60 * 16;
setInterval(updateStatus, UPDATE_INTERVAL);
// updateStatus();
// const UPDATE_INTERVAL = 1000 * 60 * 16;
// setInterval(updateStatus, UPDATE_INTERVAL);
// // updateStatus();
function updateStatus(sendResponse) {
chrome.storage.sync.get("savedCourses", function (data) {
var courses = data.savedCourses;
var no_change = true;
for (let i = 0; i < courses.length; i++) {
try {
let c = courses[i];
let old_status = c.status;
let old_link = c.link;
$.ajax({
url: old_link,
success: function (result) {
if (result) {
console.log(result);
var object = $("<div/>").html(result).contents();
let new_status = object.find('[data-th="Status"]').text();
let register_link = object.find('td[data-th="Add"] a');
if (register_link) register_link = register_link.attr("href");
var haschanged = new_status == old_status && register_link == old_link;
if (!haschanged) console.log(c.unique + " updated from " + old_status + " to " + new_status + " and " + old_link + " to " + register_link);
no_change &= haschanged;
c.registerlink = register_link;
c.status = new_status;
}
},
});
} catch (e) {
console.log(e);
console.log("Not logged into UT Coursebook. Could not update class statuses.");
}
}
if (!no_change) {
chrome.storage.sync.set({
savedCourses: courses,
});
console.log("updated status");
}
});
}
// function updateStatus(sendResponse) {
// chrome.storage.sync.get("savedCourses", function (data) {
// var courses = data.savedCourses;
// var no_change = true;
// for (let i = 0; i < courses.length; i++) {
// try {
// let c = courses[i];
// let old_status = c.status;
// let old_link = c.link;
// $.ajax({
// url: old_link,
// success: function (result) {
// if (result) {
// console.log(result);
// var object = $("<div/>").html(result).contents();
// let new_status = object.find('[data-th="Status"]').text();
// let register_link = object.find('td[data-th="Add"] a');
// if (register_link) register_link = register_link.attr("href");
// var haschanged = new_status == old_status && register_link == old_link;
// if (!haschanged) console.log(c.unique + " updated from " + old_status + " to " + new_status + " and " + old_link + " to " + register_link);
// no_change &= haschanged;
// c.registerlink = register_link;
// c.status = new_status;
// }
// },
// });
// } catch (e) {
// console.log(e);
// console.log("Not logged into UT Coursebook. Could not update class statuses.");
// }
// }
// if (!no_change) {
// chrome.storage.sync.set({
// savedCourses: courses,
// });
// console.log("updated status");
// }
// });
// }
// execute a query on the grades database
function executeQuery(query, sendResponse) {
console.log(grades);
var res = grades.exec(query)[0];
sendResponse({
data: res,

1
manifest.json
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@@ -1,6 +1,5 @@
{
"manifest_version": 2,
"name": "UT Registration Plus",
"version": "1.2.2.6",
"options_page": "options.html",

2
options.html
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@@ -1,5 +1,6 @@
<!DOCTYPE html>
<html>
<!-- This file is serving as the template for the options page -->
<head>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<link rel="stylesheet" href="css/styles.css" />
@@ -15,7 +16,6 @@
<div id="options_container"></div>
<p class="creator-tag"><a href="https://sghsri.github.io">Sriram Hariharan</a> (2018)</p>
</div>
<div class="card options-card" id="contributors_container">
<h3 class="contributor-title">Amazing people who've contributed to the extension!</h3>
<p class="creator-tag open-source-tag">Code is open source here <a href="https://github.com/sghsri/UT-Registration-Plus">here</a> :)</p>

2
popup.html
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@@ -1,6 +1,6 @@
<!DOCTYPE html>
<html>
<!-- This file is serving as the page for the browser action popup -->
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="css/popup.css">