42 lines
1.1 KiB
JavaScript
42 lines
1.1 KiB
JavaScript
// call an api method
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// handler(json_object) on success
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// handler(null) on fail
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function nntpchan_apicall(url, handler, err_handler) {
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var ajax = new XMLHttpRequest();
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ajax.onreadystatechange = function() {
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if (ajax.readyState == XMLHttpRequest.DONE ) {
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var status = ajax.status;
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var j = null;
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if (status == 200) {
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// found
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try {
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j = JSON.parse(ajax.responseText);
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} catch (e) {} // ignore parse error
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} else if (status == 410) {
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if (err_handler) {err_handler("cannot fetch post: api disabled");}
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return;
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}
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handler(j);
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}
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};
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ajax.open("GET", url);
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ajax.send();
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}
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// build post from json
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// inject into parent
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// if j is null then inject "not found" post
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function nntpchan_buildpost(parent, j) {
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var post = document.createElement("div");
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if (j) {
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// huehuehue
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post.innerHTML = j.PostMarkup;
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inject_hover_for_element(post);
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} else {
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post.setAttribute("class", "notfound post");
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post.appendChild(document.createTextNode("post not found"));
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}
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parent.appendChild(post);
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}
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