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Allows favouriting of Discord servers
// ==UserScript==
// @name Kemono.Party Discord Favourites
// @namespace https://MeusArtis.ca
// @version 2.0.1
// @author Meus Artis, gwhizzy
// @description Allows favouriting of Discord servers
// @icon https://www.google.com/s2/favicons?domain=kemono.party
// @supportURL https://t.me/kemonoparty
// @include /^https:\/\/kemono\.(party|su)\/discord\/server\/.*$/
// @require https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js
// @license CC BY-NC-SA 4.0
// ==/UserScript==
const strs =
{
loading: "⋯ Loading",
fav: "☆ Favorite",
unfav: "★ Unfavorite",
error: "! Error"
};
const classname_fav = "__dcfav_tofav";
const classname_unfav = "__dcfav_tounfav";
const STATE_UNSET = -1;
const STATE_LOAD = 0;
const STATE_FAV = 1;
const STATE_UNFAV = 2;
const STATE_ERROR = 3;
var curr_favState = STATE_UNSET;
var cache_canread = true;
var cache_lastState = "[]";
function get_server_id()
{
let id = location.href.split("/").pop();
return id ? id : "";
}
function get_parent_el()
{
return document.getElementById("channels");
}
function styles_inject()
{
const style = document.createElement("style");
style.innerText = `.__dcfav_base{box-sizing:border-box;font-weight:700;border:transparent;user-select:none;font-family:Helvetica,sans-serif;color:#888}.__dcfav_tofav{color:#fff}.__dcfav_tounfav{color:#ffdd1a}`;
document.head.appendChild(style);
}
function button_inject(parent)
{
let o = document.createElement("div");
let e = document.createElement("div");
e.classList.add("__dcfav_base");
o.style.textAlign = "center";
parent.appendChild(o).appendChild(e);
}
function button_change_state(e, favState)
{
curr_favState = favState;
let toFav = true;
e.classList.remove(classname_fav);
e.classList.remove(classname_unfav);
switch (favState)
{
case STATE_LOAD:
{
e.innerText = strs.loading;
e.onclick = undefined;
e.style.cursor = "default";
return; // nothing else to do, get out
}
case STATE_ERROR:
{
e.innerText = strs.error;
e.style.cursor = "pointer";
break; // nothing else to do, get out
}
case STATE_FAV:
{
e.innerText = strs.fav;
e.classList.add(classname_fav);
e.style.cursor = "pointer";
break;
}
case STATE_UNFAV:
{
e.innerText = strs.unfav;
e.classList.add(classname_unfav);
e.style.cursor = "pointer";
toFav = false;
break;
}
default: return;
}
e.onclick = function ()
{
cache_canread = false;
button_set_state(STATE_LOAD);
fetch("https://kemono.party/favorites/artist/discord/" + get_server_id(), { method: toFav ? "POST" : "DELETE" })
.catch(() => {})
.then(_ => button_update());
}
}
async function get_next_fav_state()
{
let id = get_server_id();
try
{
let json = await (await fetch("https://kemono.party/api/v1/account/favorites?type=artist")).json();
// Update localstorage cache
let cache_newState = JSON.stringify(json);
localStorage.setItem("favs", cache_newState);
cache_lastState = cache_newState;
// Iterate over results to find a match
for (let o of json)
if (o?.id === id)
// Favourite, show button to unfavourite
return STATE_UNFAV;
}
catch (e)
{
console.error(e);
return STATE_ERROR;
}
// Otherwise, show button to favourite
return STATE_FAV;
}
function button_set_state(favState)
{
let es = document.getElementsByClassName("__dcfav_base");
if (!es.length)
// Button not found, ignore
return;
button_change_state(es[0], favState);
}
async function button_update(showLoading=true)
{
if (showLoading)
// Set default state while querying server for favourite status
button_set_state(STATE_LOAD);
let favState = await get_next_fav_state();
button_set_state(favState);
cache_canread = true;
}
function cache_init()
{
// Should be done by the site anyway
if (!("favs" in localStorage))
localStorage.setItem("favs", "[]");
cache_lastState = localStorage.getItem("favs");
if (!cache_lastState)
cache_lastState = "[]";
}
function cache_update_from(force=false)
{
if (cache_canread)
{
let id = get_server_id();
// Update localstorage cache
let favs = localStorage.getItem("favs");
if (!favs)
favs = "[]";
if (force || favs !== cache_lastState)
{
// Detected an updated cache, load into dom
let json = JSON.parse(favs);
let showFav = true;
// Iterate over results to find a match
for (let o of json)
if (o?.id === id)
// Favourite, show button to unfavourite
showFav = false;
// Change state if not set already
{
if (showFav && curr_favState !== STATE_FAV)
button_set_state(STATE_FAV);
else if (!showFav && curr_favState !== STATE_UNFAV)
button_set_state(STATE_UNFAV);
}
}
}
// Run on (safe) interval
setTimeout(cache_update_from, 1000);
}
function main()
{
let parent = get_parent_el();
if (!parent)
// Not a discord server
return;
cache_init();
styles_inject();
button_inject(parent);
cache_update_from(true); // dispatch interval
button_update(false); // dispatch async
}
main();