Vote on posts on /g/.
目前为
// ==UserScript==
// @name Le Upboat! xD
// @version 0.0.2.2
// @namespace leupboat
// @description Vote on posts on /g/.
// @license CC0; https://creativecommons.org/publicdomain/zero/1.0/.
// @grant GM_xmlhttpRequest
// @include *://boards.4chan.org/g/*
// @include *://boards.4chan.org/s4s/*
// @run-at document-end
// ==/UserScript==
(function() {
var debug = true;
var imageData = {
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};
var debuglog = function(str) {
if (debug) {
console.log(str);
}
}
var makeImage = function(src) {
var image = new Image();
image.src = src;
return image;
}
var serverRequest = function(postNumbers, vote, outputElements, successCallback) {
debuglog(postNumbers);
debuglog(vote);
successCallback = successCallback || function(){};
var onloadFunc = function(request) {
debuglog('onload');
if (request.status >= 200 && request.status < 400){
// Success!
debuglog('ok');
data = JSON.parse(request.responseText);
if (vote) {
if (!data.voted) {
window.alert('Already voted on this post.');
}
}
debuglog('request complete for ' + postNumbers);
for (var i = 0; i < postNumbers.length; i++) {
outputElements[i].innerHTML = data.scores[postNumbers[i]];
}
successCallback();
} else {
debuglog('fail');
debuglog(request.status);
// We reached our target server, but it returned an error
}
};
var onerrorFunc = function() {
// There was a connection error of some sort
};
debuglog('funcs');
idsString = ""
for (var i = 0; i < postNumbers.length; i++) {
idsString += ("id" + i + "=" + postNumbers[i] + "&");
}
requestUrl = "https://boat0.webscript.io/vote?" + idsString;
if (vote) {
requestUrl += "vote=" + vote;
}
GM_xmlhttpRequest({
method: "GET",
url: requestUrl,
onload: onloadFunc
});
}
var getScores = function(postNumbers, outputElements) {
serverRequest(postNumbers, false, outputElements);
}
var vote = function(postNumber, vote, outputElement, successCallback) {
serverRequest([postNumber], vote, [outputElement], successCallback);
}
var makeArrow = function(postId, outputElement, t, imageOn, imageOff) {
var arrow = document.createElement("a");
arrow.href = "#" + postId;
var image = makeImage(imageOn);
arrow.image = image;
arrow.class = t + "arrow";
arrow.appendChild(image);
return arrow;
}
var makeArrows = function(postNumber, outputElement) {
var arrows = document.createElement("span");
var upArrow = makeArrow(postNumber, outputElement, "up", imageData.upOn, imageData.upOff);
var downArrow = makeArrow(postNumber, outputElement, "down", imageData.downOn, imageData.downOff);
var makeOnclick = function(t) {
return function() {
vote(postNumber, t, outputElement, function() {
debuglog('callback called');
upArrow.image.src = imageData.upOff;
upArrow.onclick = false;
downArrow.image.src = imageData.downOff;
downArrow.onclick = false;
});
}
}
upArrow.onclick = makeOnclick("up");
downArrow.onclick = makeOnclick("down");
arrows.appendChild(upArrow);
arrows.appendChild(downArrow);
return arrows;
}
var posts = document.getElementsByClassName('post')
var threadIds = [];
var scoreDisplays = [];
var addVotingToPost = function(el, i) {
debuglog(i + ": " + el.id);
var postInfo = el.querySelector('.postInfo');
var span = document.createElement("span");
var score = document.createElement("span");
var postNum = el.id.replace(/[a-z]*/, "");
debuglog(postNum);
threadIds.push(postNum);
scoreDisplays.push(score);
span.appendChild(makeArrows(postNum, score));
span.appendChild(score);
postInfo.appendChild(span);
}
Array.prototype.forEach.call(posts, addVotingToPost);
getScores(threadIds, scoreDisplays);
var delform = document.querySelector('#delform .board .thread');
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(mutation) {
debuglog(mutation);
Array.prototype.forEach.call(mutation.addedNodes, addVotingToPost);
});
getScores(threadIds, scoreDisplays);
});
var config = { attributes: true, childList: true };
observer.observe(delform, config);
})();