70 lines
2.0 KiB
JavaScript
70 lines
2.0 KiB
JavaScript
"use strict";
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const $ = require("jquery");
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const socket = require("../socket");
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const templates = require("../../views");
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module.exports = {
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requestIfNeeded,
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};
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// Requests version information if it hasn't been retrieved before (or if it has
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// been removed from the page, i.e. when clicking on "Check now". Displays a
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// loading state until received.
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function requestIfNeeded() {
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if ($("#version-checker").is(":empty")) {
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renderVersionChecker({status: "loading"});
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socket.emit("changelog");
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}
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}
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socket.on("changelog", function(data) {
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// 1. Release notes window for the current version
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$("#changelog").html(templates.windows.changelog(data.current));
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const links = $("#changelog .changelog-text a");
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// Make sure all links will open a new tab instead of exiting the application
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links.prop("target", "_blank");
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// Add required metadata to image links, to support built-in image viewer
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links.has("img").addClass("toggle-thumbnail");
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// 2. Version checker visible in Help window
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let status;
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if (data.latest) {
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status = "new-version";
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} else if (data.current.changelog) {
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status = "up-to-date";
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} else {
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status = "error";
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}
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renderVersionChecker({
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latest: data.latest,
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status,
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});
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// When there is a button to refresh the checker available, display it when
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// data is expired. Before that, server would return same information anyway.
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if (data.expiresAt) {
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setTimeout(
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() => $("#version-checker #check-now").show(),
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data.expiresAt - Date.now()
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);
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}
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});
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// When clicking the "Check now" button, remove current checker information and
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// request a new one. Loading will be displayed in the meantime.
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$("#help").on("click", "#check-now", () => {
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$("#version-checker").empty();
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requestIfNeeded();
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});
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// Given a status and latest release information, update the version checker
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// (CSS class and content)
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function renderVersionChecker({status, latest}) {
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$("#version-checker").prop("class", status)
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.html(templates.version_checker({latest, status}));
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}
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