// ==UserScript==
// @name WaniKani Forums: Like counter
// @namespace http://tampermonkey.net/
// @version 2.0.9
// @description Keeps track of the likes you've used and how many you have left... supposedly.
// @author Kumirei
// @include https://community.wanikani.com*
// @require https://greatest.deepsurf.us/scripts/5392-waitforkeyelements/code/WaitForKeyElements.js
// @grant none
// ==/UserScript==
(function() {
// SETTINGS
var settings = {
hr12: false, // Show times in 12hr format
displayLikesReceived: true, // Display likes received counter
updateInterval: 10, // Interval (minutes) for fetching summary page data
lifetimePurple: false, // Set to true for purple info bubbles
}
// Global variable
var LC = {
lastUpdate: 0,
likes: [],
likesGiven: 0,
maxGiven: 0,
maxLikes: 0,
likesReceived: [],
ranOut: 0,
ranOutDate: Date.now(),
fullLikes: 0,
fullLikesDate: Date.now(),
daysVisited: 0,
}
// MAIN
const msday = 1000*60*60*24 // Number of ms in a day
var $ = window.$;
init();
// First run setup
function init() {
setInitialiseTriggers();
addDisplay();
initialise();
timeLikes();
setTimeout(updateDisplay, 1000*60);
addCSS();
}
// Set triggers for when the page needs to be initialised again
function setInitialiseTriggers() {
// When loading the window
window.addEventListener('load', initialise);
// When using back and forth buttons
window.addEventListener('popstate', initialise);
// When navigating
(function(history){
var pushState = history.pushState;
history.pushState = function(state) {
initialise();
return pushState.apply(history, arguments);
};
})(window.history);
}
// Set up the page for continued running
function initialise() {
fetchData();
detectLikes();
}
// Fetches the needed data
function fetchData() {
updateLC();
if (LC.lastUpdate < Date.now() - 1000*60*settings.updateInterval) {
LC.lastUpdate = Date.now();
save();
var username = $('#current-user a').attr('href').split('/u/')[1];
var url = 'https://community.wanikani.com/u/'+username+'/summary';
$.ajax({
url: url,
type: 'GET',
dataType: 'json',
success: processData
});
}
}
// Updates the global variable with the new data
function processData(data) {
var likesGiven = data.user_summary.likes_given;
if (likesGiven > LC.likesGiven && LC.likesGiven != 0) registerLikes(likesGiven - LC.likesGiven);
LC.likesGiven = likesGiven;
var trustID = data.badges[0].id;
LC.maxLikes = 50*(1+trustID);
var likesReceived = data.user_summary.likes_received;
LC.likesReceived.push([likesReceived, Date.now()]);
LC.daysVisited = data.user_summary.days_visited;
save();
updateDisplay();
}
// Update the LC variable
function updateLC() {
var stored = JSON.parse(localStorage.getItem('WKFLC'));
if (stored && stored.lastUpdate >= 1581692248858) LC = stored;
}
// Stores the data in localStorage so other tabs can access it
function save() {
localStorage.setItem('WKFLC', JSON.stringify(LC));
}
// Adds the bubbles to the header
function addDisplay() {
// START code by rfindley
if (is_dark_theme()) {
$('body').attr('theme','dark');
} else {
$('body').attr('theme','light');
}
var wk_app_nav = $('.wanikani-app-nav').closest('.container');
if (wk_app_nav.length === 0) {
setTimeout(addDisplay, 200);
return;
}
// Attach the Dashboard menu to the stay-on-top menu.
var top_menu = $('.d-header');
var main_content = $('#main-outlet');
$('body').addClass('float_wkappnav');
wk_app_nav.addClass('wanikani-app-nav-container');
top_menu.find('>.wrap > .contents:eq(0)').after(wk_app_nav);
// Adjust the main content's top padding, so it won't be hidden under the new taller top menu.
var main_content_toppad = Number(main_content.css('padding-top').match(/[0-9]*/)[0]);
main_content.css('padding-top', (main_content_toppad + 25) + 'px');
// Insert CSS.
var css =
'.float_wkappnav .d-header {height:inherit;}'+
'.float_wkappnav .d-header .title {height:4em;}'+
'.float_wkappnav .wanikani-app-nav-container {border-top:1px solid #ccc; line-height:2em;}'+
'.float_wkappnav .wanikani-app-nav ul {padding-bottom:0; margin-bottom:0; border-bottom:inherit;}'+
'.dashboard_bubble {color:#fff; background-color:#bdbdbd; font-size:0.8em; border-radius:0.5em; padding:0 6px; margin:0 0 0 4px; font-weight:bold;}'+
'li[data-highlight="true"] .dashboard_bubble {background-color:#6cf;}'+
'body[theme="dark"] .dashboard_bubble {color:#ddd; background-color:#646464;}'+
'body[theme="dark"] li[data-highlight="true"] .dashboard_bubble {color:#000; background-color:#6cf;}'+
'body[theme="dark"] .wanikani-app-nav[data-highlight-labels="true"] li[data-highlight="true"] a {color:#6cf;}'+
'body[theme="dark"] .wanikani-app-nav ul li a {color:#999;}';
$('head').append('<style type="text/css">'+css+'</style>');
// END code by rfindley
if (settings.displayLikesReceived) {
$('.wanikani-app-nav ul').append('<li data-highlight="false">Likes Received<span id="likes_received" class="dashboard_bubble">0</span></li>');
}
$('.wanikani-app-nav ul').append('<li data-highlight="false">Likes Left<span id="likes_left" class="dashboard_bubble">0</span></li>');
$('.wanikani-app-nav ul').append('<li data-highlight="false">Next Like<span id="next_like" class="dashboard_bubble">0</span></li>');
updateDisplay();
}
// Function made by rfindley
function is_dark_theme() {
// Grab the <html> background color, average the RGB. If less than 50% bright, it's dark theme.
return $('html').css('background-color').match(/\((.*)\)/)[1].split(',').slice(0,3).map(str => Number(str)).reduce((a, i) => a+i)/(255*3) < 0.5;
}
// Updates the display with the current numbers
function updateDisplay() {
fetchData();
updateLC();
pruneLikes();
if (LC.likes.length > LC.maxGiven) LC.maxGiven = LC.likes.length;
save();
var likesLeft = LC.maxLikes - LC.likes.length;
var likesLeftDisplay = (likesLeft < 0 ? 0 : likesLeft);
var nextLike = timeLeft(LC.likes[0]+msday);
var first = LC.likesReceived[0];
var last = LC.likesReceived[LC.likesReceived.length-1];
var likesReceived = [(first?first:[0])[0], (last?last:[0])[0]]; // Total received yesterday and today
var receivedToday = likesReceived[1] - likesReceived[0];
var receivedTooltip = receivedToday + ' likes received in past day\n' + comma(likesReceived[1]) + ' total likes received';
var nextHour = findNext(msday/24);
var nextHourTooltip = nextHour + ' likes in next hour\nNext like at ' + parseTime(LC.likes[0]);
var dailyAverage = likesReceived[1]/LC.daysVisited;
var ranOutTooltip = LC.ranOut + ' times have you ran out\n' + ((Date.now()-LC.ranOutDate)/msday).toFixed(0) +
' days since you ran out\n';
if (LC.ranOut == 0) ranOutTooltip = LC.maxGiven + ' likes most given in a day\n';
var likesLeftTooltip = dailyAverage.toFixed(0)+' likes given per day on average\n' + comma(LC.likesGiven) + ' total likes given \n\n' + ranOutTooltip + LC.fullLikes + ' times have you had full likes';;
if ($('#likes_left').length) {
if (settings.displayLikesReceived) {
toggleHighlight($('#likes_received'), receivedToday != 0);
$('#likes_received')[0].innerHTML = receivedToday;
$('#likes_received').closest('li').attr('title', receivedTooltip);
$('#likes_received').closest('li').attr('data-name', "likes-received");
}
$('#likes_left')[0].innerHTML = likesLeftDisplay;
$('#next_like')[0].innerHTML = nextLike;
toggleHighlight($('#likes_left'), likesLeft != 0);
toggleHighlight($('#next_like'), nextLike != 'N/A');
$('#next_like').closest('li').attr('title', nextHourTooltip);
$('#next_like').closest('li').attr('data-name', "likes-next");
$('#likes_left').closest('li').attr('title', likesLeftTooltip);
$('#likes_left').closest('li').attr('data-name', "likes-left");
}
}
// Deletes any likes older than 24 hours
function pruneLikes() {
$(LC.likes).each((i, time)=>{
if (time < Date.now() - msday) LC.likes.splice(0, 1);
else return false;
});
$(LC.likesReceived).each((i, entry)=>{
if (entry[1] < Date.now() - msday) LC.likesReceived.splice(0, 1);
else return false;
});
}
// Toggles whether the info bubbles should be coloured or grey
function toggleHighlight(e, on) {
e.closest('li').attr('data-highlight', on);
e.toggleClass('zero', on);
}
// Set a timer for each like so that they can count down the seconds
function timeLikes() {
for (var i=0; i<LC.likes.length; i++) timeLike(LC.likes[i]);
}
// Sets a timer for one like to count down its last seconds
function timeLike(time) {
var timestamp = time+msday-1000*60;
var timeLeft = timestamp - Date.now();
if (timeLeft < 0) timeLeft = 0;
setTimeout(()=>{
var s = Math.round((time+msday-Date.now())/1000);
var interval = setInterval(()=>{
var currentSeconds = $('#next_like')[0].innerHTML.match(/^\d{1,2}s$/);
if (!currentSeconds || currentSeconds[0].slice(0, -1) > s) {
$('#next_like')[0].innerHTML = s+'s';
if (s<=0) {
clearInterval(interval);
updateDisplay();
}
}
s--;
}, 1000);
}, timeLeft);
}
// Sets up detection of new likes
function detectLikes() {
waitForKeyElements('#topic-bottom', ()=>{
$('.post-stream').on('click', '.toggle-like:not(.has-like)', (event)=>{
registerLikes(1);
// Check whether the like went through and if it didn't remove the registered like.
let post_id = event.target.closest('article').getAttribute('data-post-id');
let url = window.location.href;
setTimeout(()=>{
$.ajax({
url: url,
type: 'GET',
dataType: 'json',
success: (data)=>{
for (let post of data.post_stream.posts) {
if (post.id == post_id) {
for (let action of post.actions_summary) {
if (action.id === 2) {
if (!action.acted) registerLikes(-1);
break;
}
}
break;
}
}
}
});
}, 1000);
updateDisplay();
});
});
}
// Registers new likes used
function registerLikes(count) {
updateLC();
if (LC.likes.length == 0 && LC.fullLikesDate < Date.now() - msday) {
LC.fullLikes++;
LC.fullLikesDate = Date.now();
}
LC.likesGiven += count;
if (count == -1) LC.likes.pop();
else {
for (var i=0; i<count; i++) {
LC.likes.push(Date.now());
timeLike(Date.now());
}
}
if (LC.likes.length >= LC.maxLikes && LC.ranOutDate < Date.now() - msday) {
LC.ranOut++;
LC.ranOutDate = Date.now();
}
save();
updateDisplay();
}
// Returns a string with the time remaining until the given date
function timeLeft(date) {
if (!date) return 'N/A';
var seconds = (date - Date.now())/1000;
var s = Math.floor(seconds % 3600 % 60);
var sr = Math.round(seconds % 3600 % 60);
var m = Math.floor((seconds-s)/60%60);
var mr = Math.round((seconds-s)/60%60);
var h = Math.floor((seconds-s-m*60)/3600);
var hr = Math.round((seconds-s-m*60)/3600);
if (h != 0) return hr + 'h';
if (m != 0) return mr + 'm';
if (s != 0) return sr + 's';
}
// Finds the number of likes expiring in the next interval of time
function findNext(interval) {
var count = 0;
for (var i=0; i<LC.likes.length; i++) {
if (LC.likes[i] + msday < Date.now() + interval) count++;
}
return count;
}
// Adds the CSS
function addCSS() {
let bubbleColor = settings.lifetimePurple ? 'rgb(213, 128, 255)' : '#6cf';
$('head').append('<style id=like_counter>'+
' .wanikani-app-nav ul li {color: #545454;}'+
' body[theme="dark"] .wanikani-app-nav ul li {color:#999;}'+
' li[data-highlight="true"] span.dashboard_bubble {background-color: '+bubbleColor+';}'+
' .wanikani-app-nav > ul {display: flex;}'+
' .wanikani-app-nav li[data-name="likes-received"] {order: 1;}'+
' .wanikani-app-nav li[data-name="likes-left"] {order: 2;}'+
' .wanikani-app-nav li[data-name="likes-next"] {order: 3;}'+
'</style>'
);
}
// Creates a timestamp for the given time
function parseTime(date) {
if (!date) return 'N/A';
var time = new Date(date);
var h = time.getHours();
var m = time.getMinutes();
var AmPm = '';
if (settings.hr12) {
AmPm = ' AM';
if (h > 11) {
AmPm = ' PM';
if (h != 12) h -= 12;
}
else if (h == 0) h = 12;
}
else if (h < 10) h = '0' + h;
if (m < 10) m = '0' + m;
return h+':'+m+AmPm;
}
// Adds commas to a number
function comma(x) {
return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
}
})();
