97 lines
3.5 KiB
JavaScript
97 lines
3.5 KiB
JavaScript
function initializeArticleReactions() {
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setTimeout(function(){
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if(document.getElementById("article-body")){
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var articleId = document.getElementById("article-body").dataset.articleId;
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if ( document.getElementById("article-reaction-actions") ) {
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var ajaxReq;
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var thisButt = this;
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if (window.XMLHttpRequest) {
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ajaxReq = new XMLHttpRequest();
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} else {
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ajaxReq = new ActiveXObject("Microsoft.XMLHTTP");
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}
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ajaxReq.onreadystatechange = function() {
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if (ajaxReq.readyState == XMLHttpRequest.DONE ) {
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var json = JSON.parse(ajaxReq.response);
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json.article_reaction_counts.forEach(function(reaction){
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if (reaction.count > 0) {
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document.getElementById("reaction-butt-"+reaction.category).classList.add("activated")
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document.getElementById("reaction-number-"+reaction.category).innerHTML = reaction.count;
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}
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})
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json.reactions.forEach(function(reaction){
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if (document.getElementById("reaction-butt-"+reaction.category)){
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document.getElementById("reaction-butt-"+reaction.category).classList.add("user-activated")
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}
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})
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}
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}
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ajaxReq.open("GET", getReactionsPath()+"?article_id="+articleId, true);
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ajaxReq.send();
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}
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}
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var reactionButts = document.getElementsByClassName("article-reaction-butt")
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for(var i = 0; i < reactionButts.length; i++) {
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reactionButts[i].onclick = function(e) {
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reactToArticle(articleId, this.dataset.category)
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};
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}
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},3)
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}
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function reactToArticle(articleId, reaction) {
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var userStatus = document.getElementsByTagName('body')[0].getAttribute('data-user-status');
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if (userStatus == "logged-out") {
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showModal("react-to-article");
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return;
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} else {
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document.getElementById("reaction-butt-"+reaction).classList.add("user-activated")
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}
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function createFormdata() {
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/*
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* What's not shown here is that "authenticity_token" is included in this formData.
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* The logic can be seen in sendFetch.js.
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*/
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var formData = new FormData();
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formData.append("reactable_type", "Article");
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formData.append("reactable_id", articleId);
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formData.append("category", reaction);
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return formData;
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}
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function successCb(response) {
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var num = document.getElementById("reaction-number-"+reaction).innerHTML;
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if (response.result == "create") {
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document.getElementById("reaction-butt-"+reaction).classList.add("user-activated")
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if (num == "") {
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document.getElementById("reaction-number-"+reaction).innerHTML = "1";
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} else{
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document.getElementById("reaction-number-"+reaction).innerHTML = parseInt(num) + 1;
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}
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} else {
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document.getElementById("reaction-butt-"+reaction).classList.remove("user-activated")
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if (num == 1) {
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document.getElementById("reaction-butt-"+reaction).classList.remove("activated")
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document.getElementById("reaction-number-"+reaction).innerHTML = "";
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} else {
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document.getElementById("reaction-number-"+reaction).innerHTML = parseInt(num) - 1;
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}
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}
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}
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getCsrfToken()
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.then(sendFetch("reaction-creation", createFormdata()))
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.then(function (response) {
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if (response.status === 200) {
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return response.json().then(successCb);
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} else {
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// there's currently no errorCb.
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}
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})
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.catch(function (error) {
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// there's currently no error handling.
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})
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}
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