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index.js
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index.js
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const WAITING_FOR_REVIEW_IN_HOURS = 12;
const RUNNING_OUT_OF_TIME_IN_HOURS = 6;
const CLAIMED = 1;
const SUBMITTED = 4;
const WAITING_FOR_GOOGLE_REVIEW_OF_PARENTAL_CONSENT = 8;
const ACTION = 1;
const COMMENT = 2;
const ALL = -1;
let cache = {};
const tasksToIgnore = [];
const tasksHandled = [];
const tasksToHighlight = [];
const tasksRunningOutOfTime = [];
let waitUntilUserIsOnInProgressTab = setInterval(() => {
if (isOnInProgressSite()) {
clearInterval(waitUntilUserIsOnInProgressTab);
main();
}
}, 200);
async function main() {
const taskPromises = [];
await loadCache(await fetch(`https://codein.withgoogle.com/api/program/2017/taskinstance/?is_active=True&my_tasks=false&order=-last_update_by_student&page=1&page_size=100`));
for (let {task} of Object.values(cache)) {
if (task.status === WAITING_FOR_GOOGLE_REVIEW_OF_PARENTAL_CONSENT
|| (task.status === CLAIMED && task.comments_count === 0)) {
tasksToIgnore.push(task);
} else if (task.last_update_by_student) {
taskPromises.push(handleLastUpdateByStudent(task));
} else {
taskPromises.push(handleLastUpdateByMentor(task));
}
}
Promise.all(taskPromises).then(saveCache);
}
async function handleLastUpdateByMentor(task) {
if (isRunningOutOfTime(task)) {
tasksRunningOutOfTime.push(task);
} else {
tasksHandled.push(task);
}
}
async function handleLastUpdateByStudent(task) {
const taskDetails = await getLast10TaskDetails(task.id);
if (isRunningOutOfTime(task)) {
tasksRunningOutOfTime.push(task);
} else if (isWaitingForComment(task, taskDetails) || isWaitingForReview(task, taskDetails)) {
tasksToHighlight.push(task);
}
}
function isWaitingForComment(task, taskDetails) {
return task.last_update_by_student && taskDetails[0].kind === COMMENT;
}
function isRunningOutOfTime(task) {
return !task.deadline_paused && differenceInHours(task.deadline_to_complete) < RUNNING_OUT_OF_TIME_IN_HOURS;
}
function isWaitingForReview(task, taskDetails) {
if (task.status === SUBMITTED) {
for (let task_detail of taskDetails) {
if (task_detail.old_task_instance_status !== SUBMITTED && task_detail.new_task_instance_status === SUBMITTED) {
return differenceInHours(task_detail.created) >= WAITING_FOR_REVIEW_IN_HOURS;
}
}
}
return false;
}
async function getLast10TaskDetails(taskId) {
if (cache[taskId].taskDetails) {
return cache[taskId].taskDetails;
} else {
const taskDetailsCount = 10;
const taskDetails = await fetch(`https://codein.withgoogle.com/api/program/current/taskupdate/?page=1&page_size=${taskDetailsCount}&task_instance=${taskId}`, taskDetailsCount);
cache[taskId].taskDetails = taskDetails;
return taskDetails;
}
}
/*
* Utils methods
*/
async function fetch(url, count = ALL) {
const items = [];
while (true) {
const {results, next} = await $.getJSON(url);
items.push(...results);
if (next && (count === ALL || items.length < count)) {
url = next;
} else {
break;
}
}
return (count > 0) ? items.slice(0, count) : items;
}
function isOnInProgressSite() {
return location.pathname.match(/dashboard\/task-instances\/in-progress/);
}
function differenceInHours(from, to = new Date()) {
return Math.abs(new Date(from) - to) / 36e5;
}
function findTaskWithId(tasks, id) {
for (let task of tasks) {
if (task.id === id) {
return task;
}
}
return null;
}
function hasChromeLocalStorage() {
return !!window.chrome && window.chrome.storage && window.chrome.storage.local;
}
/*
* Caching
*/
function loadCache(tasks) {
return new Promise((resolve, reject) => {
if (hasChromeLocalStorage()) {
chrome.storage.local.get(null, (cachedEntries) => {
for (let task of tasks) {
const cachedTask = (cachedEntries[task.id] || {}).task;
if (cachedTask
&& cachedTask.modified === task.modified
&& cachedTask.status === task.status
&& cachedTask.comments_count === task.comments_count
) {
cache[task.id] = cachedEntries[task.id];
} else {
cache[task.id] = {task};
}
}
resolve();
});
} else {
for (let task of tasks) {
cache[task.id] = {task};
}
resolve();
}
});
}
function saveCache() {
return new Promise((resolve, reject) => {
if (hasChromeLocalStorage()) {
chrome.storage.local.clear();
chrome.storage.local.set(cache);
resolve();
} else {
resolve();
}
});
}
/*
* Colorize tasks
*/
setInterval(() => {
if (isOnInProgressSite()) {
tasksToIgnore.forEach((task) => setStyle(task.id, {'opacity': '0.5'}));
tasksHandled.forEach((task) => setStyle(task.id, {'color': '#9ccc00'}));
tasksToHighlight.forEach((task) => setStyle(task.id, {'color': '#e53935'}));
tasksRunningOutOfTime.forEach((task) => setStyle(task.id, {'color': '#2894ed'}));
}
}, 2000);
function setStyle(taskId, css) {
$('a[href*="' + taskId + '"]').css(css);
}