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Keeps track of the likes you've used and how many you have left... supposedly.
// ==UserScript==
// @name WaniKani Forums: Like counter
// @namespace http://tampermonkey.net/
// @version 3.1.11
// @description Keeps track of the likes you've used and how many you have left... supposedly.
// @author Kumirei
// @include https://community.wanikani.com*
// @grant none
// ==/UserScript==
;(function ($) {
// SETTINGS
const settings = {
update_interval: 10, // Interval (minutes) for fetching summary page data and likes
lifetime_purple: false, // Set to true for purple info bubbles
hideReceived: false,
}
function getUsername() {
return $('#current-user button').attr('href')?.replace('/u/', '') || ''
}
// Global variable
let LC = {
stored: {
zero: [],
full: [],
received: [],
summary: {
last_update: '1970-01-01T00:00:00.000Z',
likes_given: 0,
likes_received: 0,
days_visited: 0,
max: 400, // 400 is default for *regulars*
},
day: {
given: [],
received: 0,
},
},
elems: {
received: null,
given: null,
next: null,
},
}
// Update LC
Promise.all([update_stored(), update_summary()]).then(update)
setInterval(update_all, settings.update_interval * 60 * 1000, LC)
update_all()
// Update the next like timer every second
setInterval(update_next, 1000)
// Install
add_CSS()
add_display()
// Update every time a like is used
$('body').on('click', '.post-stream .toggle-like', update)
// Updates everything
async function update(event) {
// Update displayed count immediately
if (event.type) {
const old_count = Number(LC.elems.given.children().text())
const new_count = old_count + ($(event.target).closest('.widget-button').hasClass('has-like') ? 1 : -1)
LC.elems.given.children().text(new_count)
}
}
// Fetches the data of LC.stored from localStorage
function update_stored() {
LC.stored = Object.assign(LC.stored, JSON.parse(localStorage.getItem('LCstored')) || {})
}
// Saves the LC.stored data to localStorage
function save_stored() {
localStorage.setItem('LCstored', JSON.stringify(LC.stored))
}
// Updates summary info and likes used/received
async function update_all() {
update_stored()
const now = new Date(Date.now() - settings.update_interval * 60 * 1000).toISOString()
if (LC.stored.summary.last_update < now) {
//alert('Updating' + new Date().toISOString() + '\n\n' + LC.stored.summary.last_update)
await update_summary()
await update_day()
save_stored()
update_display()
}
}
// Updates the LC variable with info from the summary page
async function update_summary() {
const username = getUsername()
const f = await fetch(`https://community.wanikani.com/u/${username}/summary`, {
headers: {
accept: 'application/json, text/javascript, */*; q=0.01',
'x-requested-with': 'XMLHttpRequest',
},
})
if (f.status === 200) {
const data = await f.json()
const max = 100 * (1 + data.badges[0].id)
const { likes_given, likes_received, days_visited } = data.user_summary
LC.stored.summary = {
likes_given,
likes_received,
days_visited,
max,
last_update: new Date().toISOString(),
}
const now = Date.now()
LC.stored.received.push([now, likes_received])
LC.stored.received = LC.stored.received.filter((a) => a[0] >= now - 24 * 60 * 60 * 1000)
} else console.warn(`[LIKE COUNTER] Error ${f.status}: There was an error fetching user summary`)
}
// Updates the likes given and received in the last 24 hours
async function update_day() {
const msday = 24 * 60 * 60 * 1000
const now = Date.now()
const username = getUsername()
const summary = LC.stored.summary
const day = LC.stored.day
day.given = (await fetch_likes(username, 1, 24)).reverse()
//day.received = (await fetch_likes(username, 2, 24)).reverse()
day.received = LC.stored.received[LC.stored.received.length - 1][1] - LC.stored.received[0][1] || 0
if (day.given.length === summary.max && (LC.stored.zero[LC.stored.zero.length - 1] || 0) < now - msday) {
LC.stored.zero.push(now)
}
if (day.given.length === 0 && (LC.stored.full[LC.stored.full.length - 1] || 0) < now - msday) {
LC.stored.full.push(now)
}
}
// Fetches likes from Discourse api
async function fetch_likes(username, actionType, hoursBack) {
const time = new Date(Date.now() - hoursBack * 60 * 60 * 1000).toISOString()
let offset = 0
let fetched = []
let keep_fetching = true
while (keep_fetching) {
const f = await fetch(
`https://community.wanikani.com/user_actions.json?offset=0&username=${username}&filter=${actionType}&offset=${offset}`,
)
if (f.status !== 200) {
console.warn(`[LIKE COUNTER] Error ${f.status}: There was an error fetching user likes`)
break
}
const actions = (await f.json()).user_actions
for (let item of actions) {
const date = item.created_at
if (date >= time) {
fetched.push(Date.parse(item.created_at))
} else {
keep_fetching = false
break
}
}
offset += 30
}
return fetched
}
// Adds the bubbles to the header
function add_display() {
// START code by rfindley
if (is_dark_theme()) $('body').attr('theme', 'dark')
else $('body').attr('theme', 'light')
// Wait for the nav
const wk_app_nav = $('.wanikani-app-nav').closest('.container')
if (wk_app_nav.length === 0) {
setTimeout(add_display, 200)
return
}
// Attach the Dashboard menu to the stay-on-top menu.
const top_menu = $('.d-header')
const main_content = $('#main-outlet')
$('body').addClass('float_wkappnav')
wk_app_nav.addClass('wanikani-app-nav-container')
wk_app_nav.find('li').each((_, el) => {
const $el = $(el)
if (!$el.attr('data-name')) {
$el.attr('data-name', 'original')
}
})
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.
const main_content_toppad = Number(main_content.css('padding-top').match(/[0-9]*/)[0])
main_content.css('padding-top', main_content_toppad + 25 + 'px')
// END code by rfindley
LC.elems = {
// dashboard: $(
// '<li class="show-on-small-screen">' +
// '<a href="https://www.wanikani.com" target="_blank" rel="noopener noreferrer">WaniKani</a>' +
// '</li>',
// ),
received: $(
'<li data-highlight="true" data-name="likes-received"' +
(settings.hideReceived ? ' style="display:none"' : '') +
'>Likes Received<span id="likes_received" class="dashboard_bubble">0</span></li>',
),
given: $(
'<li data-highlight="true" data-name="likes-left">Likes Left<span id="likes_given" class="dashboard_bubble">0</span></li>',
),
next: $(
'<li data-highlight="true" data-name="likes-next">Next Like<span id="next_like" class="dashboard_bubble">0</span></li>',
),
}
$('.wanikani-app-nav ul').append([LC.elems.received, LC.elems.given, LC.elems.next])
update_display()
}
// Updates the counts and the hover info
function update_display() {
const msday = 24 * 60 * 60 * 1000
const msh = msday / 24
const now = Date.now()
const { received, given, next } = LC.elems
const summary = LC.stored.summary
const day = LC.stored.day
// Update counts
received.children().text(day.received)
given.children().text(summary.max - day.given.length)
next.children().text(time_left(day.given[0] + msday))
day.given.length < summary.max ? $('body').removeClass('no-likes') : $('body').addClass('no-likes')
// Update hover info
received.attr(
'title',
`${day.received.toLocaleString()} likes received in past 24h` +
`\n${Math.round(
summary.likes_received / summary.days_visited,
).toLocaleString()} likes received per day visited` +
`\n${summary.likes_received.toLocaleString()} total likes received`,
)
given.attr(
'title',
`${day.given.length.toLocaleString()} likes given in past 24h` +
`\n${Math.round(
summary.likes_given / summary.days_visited,
).toLocaleString()} likes given per day visited` +
`\n${summary.likes_given.toLocaleString()} total likes given` +
`\n\n${LC.stored.zero.length.toLocaleString()} times have you ran out` +
`\n${comma(
Math.floor((now - (LC.stored.zero[LC.stored.zero.length - 1] || now)) / msday),
)} days since you last ran out` +
`\n\n${LC.stored.full.length.toLocaleString()} times have you had full likes` +
`\n${comma(
Math.floor((now - (LC.stored.full[LC.stored.full.length - 1] || now)) / msday),
)} days since you last had full likes`,
)
let hours = Array(24)
.fill(0)
.map(
(_, i) =>
day.given.filter((like) => like + msday > now + i * msh && like + msday < now + (i + 1) * msh)
.length,
)
const next_like = new Date(day.given[0] + msday)
next.attr(
'title',
`Next like at ${next_like.getHours()}:${
(next_like.getMinutes() < 10 ? '0' : '') + next_like.getMinutes()
}` + `\n\nLikes replenishing in ${hours.reduce((a, c, i) => (c == 0 ? a : `${a}\n${i + 1}h: ${c}`), ``)}`,
)
}
function comma(n) {
return n.toLocaleString('en-US')
}
// Update the timer for the next like
function update_next() {
const msday = 24 * 60 * 60 * 1000
const yesterday = Date.now() - msday
const day = LC.stored.day
const given = day.given.length
day.given = day.given.filter((t) => t > yesterday)
// If likes have been used or expired update whole display
if (given !== day.given.length) update_display()
// Else just update the timer
else LC.elems.next.children().text(time_left(day.given[0] + msday))
}
// Adds the CSS
function add_CSS() {
let bubble_color = settings.lifetime_purple ? 'rgb(213, 128, 255)' : '#6cf'
$('head')
.append(
' <style id=like_counter>' +
' body[theme="dark"] .wanikani-app-nav ul li {color:#999;}' +
' li[data-highlight="true"] span.dashboard_bubble {background-color: ' +
bubble_color +
' !important;}' +
' bbody.no-likes .like > .fa.d-icon-d-unliked {color: red !important}' +
' .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;}' +
' .wanikani-app-nav li[data-name="lesson_count"],' +
' .wanikani-app-nav li[data-name="review_count"],' +
' .wanikani-app-nav li[data-name="next_review"] {order: 0;}' +
' .float_wkappnav .d-header {padding-bottom: 2em;}' +
' .float_wkappnav .d-header {height: 4em !important;}' +
' .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 {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;}' +
'</style>',
)
.append(
'<style id="responsive-wanikani-app-nav-list-header">' +
'.wanikani-app-nav .show-on-small-screen {display: none;}' +
'@media screen and (max-width: 799px) {' +
' .wanikani-app-nav {margin-top: 0; float: right;}' +
' .wanikani-app-nav .hide-on-small-screen,' +
' .wanikani-app-nav li[data-name="original"] {display: none !important;}' +
' .wanikani-app-nav .show-on-small-screen {display: block !important;}' +
'}' +
'</style>',
)
}
// Returns a string with the time remaining until the given date
function time_left(date) {
if (!date) return 'N/A'
const seconds = (date - Date.now()) / 1000
const s = Math.floor((seconds % 3600) % 60)
const sr = Math.round((seconds % 3600) % 60)
const m = Math.floor(((seconds - s) / 60) % 60)
const mr = Math.round(((seconds - s) / 60) % 60)
const h = Math.floor((seconds - s - m * 60) / 3600)
const 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'
}
// Checks whether a dark theme is used
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
)
}
})(window.jQuery)