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var actionIcons = {
"like": "/static/icons/star-o.png",
"unlike": "/static/icons/liked.png",
"retweet": "/static/icons/retweet.png",
"unretweet": "/static/icons/retweeted.png"
};
var reverseActions = {
"like": "unlike",
"unlike": "like",
"retweet": "unretweet",
"unretweet": "retweet"
};
function http(method, url, success, error) {
var req = new XMLHttpRequest();
req.onload = function() {
if (this.status === 200 && typeof success === "function") {
success(this.responseText, this.responseType);
} else if (typeof error === "function") {
error(this.responseText);
}
};
req.onerror = function() {
if (typeof error === "function") {
error(this.responseText);
}
};
req.open(method, url);
req.send();
}
function updateActionForm(id, f, action) {
f.children[1].src = actionIcons[action];
f.action = "/" + action + "/" + id;
f.dataset.action = action;
}
function handleLikeForm(id, f) {
f.onsubmit = function(event) {
event.preventDefault();
var action = f.dataset.action;
var forms = document.querySelectorAll(".status-"+id+" .status-like");
forms.forEach(function(f) {
updateActionForm(id, f, reverseActions[action]);
});
http("POST", "/fluoride/" + action + "/" + id, function(res, type) {
var data = JSON.parse(res);
var count = data.data;
if (count === 0) {
count = "";
}
var counts = document.querySelectorAll(".status-"+id+" .status-like-count");
counts.forEach(function(c) {
c.innerHTML = count;
});
}, function(err) {
forms.forEach(function(f) {
updateActionForm(id, f, action);
});
});
}
}
function handleRetweetForm(id, f) {
f.onsubmit = function(event) {
event.preventDefault();
var action = f.dataset.action;
var forms = document.querySelectorAll(".status-"+id+" .status-retweet");
forms.forEach(function(f) {
updateActionForm(id, f, reverseActions[action]);
});
http("POST", "/fluoride/" + action + "/" + id, function(res, type) {
var data = JSON.parse(res);
var count = data.data;
if (count === 0) {
count = "";
}
var counts = document.querySelectorAll(".status-"+id+" .status-retweet-count");
counts.forEach(function(c) {
c.innerHTML = count;
});
}, function(err) {
forms.forEach(function(f) {
updateActionForm(id, f, action);
});
});
}
}
function handleReplyToLink(link) {
if (!link) {
return;
}
var id = link.firstElementChild.getAttribute('href');
if (!id || id[0] != '#') {
return;
}
link.onmouseenter = function(event) {
var id = event.target.firstElementChild.getAttribute('href');
var status = document.querySelector(id);
if (!status) {
return;
}
var copy = status.cloneNode(true);
copy.id = "reply-to-popup";
link.appendChild(copy);
}
link.onmouseleave = function(event) {
var popup = document.getElementById("reply-to-popup");
if (popup) {
event.target.removeChild(popup);
}
}
}
function handleReplyLink(link) {
link.onmouseenter = function(event) {
var id = event.target.firstElementChild.getAttribute('href');
var status = document.querySelector(id);
if (!status) {
return;
}
var copy = status.cloneNode(true);
copy.id = "reply-popup";
link.appendChild(copy);
}
link.onmouseleave = function(event) {
var popup = document.getElementById("reply-popup");
if (popup) {
event.target.removeChild(popup);
}
}
}
document.addEventListener("DOMContentLoaded", function() {
var statuses = document.querySelectorAll(".status-container");
statuses.forEach(function(s) {
var id = s.dataset.id;
var likeForm = s.querySelector(".status-like");
handleLikeForm(id, likeForm);
var retweetForm = s.querySelector(".status-retweet");
handleRetweetForm(id, retweetForm);
var replyToLink = s.querySelector(".status-reply-to");
handleReplyToLink(replyToLink);
var replyLinks = s.querySelectorAll(".status-reply");
replyLinks.forEach(handleReplyLink);
});
});
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