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/*
* gallery.js -- Simple web-based gallery viewer.
* Copyright © 2022 Jakob L. Kreuze <zerodaysfordays@sdf.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see
* <http://www.gnu.org/licenses/>.
*/
// Immediately send off an XHR to load info from the backend.
const urlParams = new URLSearchParams(window.location.search);
if (!urlParams.get("g")) {
document.getElementById("loading").remove();
let elem = document.createElement("p");
elem.innerHTML = "No gallery code provided.";
document.getElementById("gallery-container").appendChild(elem);
} else {
let xhr = new XMLHttpRequest();
xhr.open("GET", `${location.protocol}//${location.host}/api/gallery?g=${urlParams.get("g")}`);
xhr.send();
xhr.onload = function(data) {
document.getElementById("loading").remove();
if (xhr.status != 200) {
let elem = document.createElement("p");
elem.innerHTML = "Invalid gallery code.";
document.getElementById("gallery-container").appendChild(elem);
} else {
let response = JSON.parse(xhr.response);
let elem = document.createElement("h1");
elem.innerHTML = response.info.title;
document.getElementById("gallery-container").appendChild(elem);
elem = document.createElement("h3");
elem.innerHTML = response.info.description;
document.getElementById("gallery-container").appendChild(elem);
let imagesContainer = document.createElement("div");
document.getElementById("gallery-container").appendChild(imagesContainer);
for (let image of response.images) {
elem = document.createElement("a");
elem.href = `${location.protocol}//${location.host}/static-ext/${image.filename}`;
let thumb = document.createElement("img");
thumb.src = `${location.protocol}//${location.host}/static-ext/${image.thumbnail}`;
thumb.alt = `${image.title}`;
thumb.title = `${image.title} - ${image.datetime}`;
elem.appendChild(thumb);
imagesContainer.appendChild(elem);
}
}
}
xhr.onerror = function(error) {
throw new Error(`Request failed: ${error}`);
}
}
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