magnetico/cmd/magneticow/data/static/scripts/torrents.js

116 lines
3.3 KiB
JavaScript

"use strict";
const query = (new URL(location)).searchParams.get("query")
, epoch = Math.floor(Date.now() / 1000)
;
let orderBy, ascending; // use `setOrderBy()` to modify orderBy
let lastOrderedValue, lastID;
window.onload = function() {
if (query !== null && query !== "") {
orderBy = "RELEVANCE";
}
const title = document.getElementsByTagName("title")[0];
if (query) {
title.textContent = query + " - magneticow";
const input = document.getElementsByTagName("input")[0];
input.setAttribute("value", query);
setOrderBy("RELEVANCE");
} else {
title.textContent = "Most recent torrents - magneticow";
ascending = false;
setOrderBy("DISCOVERED_ON");
}
if (query) {
const feedAnchor = document.getElementById("feed-anchor");
feedAnchor.setAttribute("href", "/feed?query=" + encodeURIComponent(query));
}
load();
};
function setOrderBy(x) {
const validValues = [
"TOTAL_SIZE",
"DISCOVERED_ON",
"UPDATED_ON",
"N_FILES",
"N_SEEDERS",
"N_LEECHERS",
"RELEVANCE"
];
if (!validValues.includes(x)) {
throw new Error("invalid value for @orderBy");
}
orderBy = x;
}
function orderedValue(torrent) {
if (orderBy === "TOTAL_SIZE") return torrent.size;
else if (orderBy === "DISCOVERED_ON") return torrent.discoveredOn;
else if (orderBy === "UPDATED_ON") alert("implement it server side first!");
else if (orderBy === "N_FILES") return torrent.nFiles;
else if (orderBy === "N_SEEDERS") alert("implement it server side first!");
else if (orderBy === "N_LEECHERS") alert("implement it server side first!");
else if (orderBy === "RELEVANCE") return torrent.relevance;
}
function load() {
const button = document.getElementsByTagName("button")[0];
button.textContent = "Loading More Results...";
button.setAttribute("disabled", ""); // disable the button whilst loading...
const ul = document.querySelector("main ul");
const template = document.getElementById("item-template").innerHTML;
const reqURL = "/api/v0.1/torrents?" + encodeQueryData({
query : query,
epoch : epoch,
lastID : lastID,
lastOrderedValue: lastOrderedValue,
orderBy : orderBy,
ascending : ascending
});
console.log("reqURL", reqURL);
let req = new XMLHttpRequest();
req.onreadystatechange = function() {
if (req.readyState !== 4)
return;
button.textContent = "Load More Results";
button.removeAttribute("disabled");
if (req.status !== 200)
alert(req.responseText);
let torrents = JSON.parse(req.responseText);
if (torrents.length === 0) {
button.textContent = "No More Results";
button.setAttribute("disabled", "");
return;
}
const last = torrents[torrents.length - 1];
lastID = last.id;
lastOrderedValue = orderedValue(last);
for (let t of torrents) {
t.size = fileSize(t.size);
t.discoveredOn = humaniseDate(t.discoveredOn);
ul.innerHTML += Mustache.render(template, t);
}
};
req.open("GET", reqURL);
req.send();
}