learn-request-queue/public/main.js

109 lines
3.4 KiB
JavaScript

var requestsDiv = document.getElementById("requests");
function getRequests(count,allRequests) {
var reqUrl;
if (allRequests) {
reqUrl = "/api/getAllRequests";
} else {
reqUrl = "/api/getRequests";
}
reqUrl += `?count=${count}`;
fetch(reqUrl)
.then(response => response.json())
.then(requests => buildTable(requests,allRequests));
}
function buildTable(requests,allRequests) {
var requestsDivHTML = '<table><tr><th class="request-url">URL</th><th class="request-requester">Requester</th><th class="request-score">Score</th>';
if (allRequests) requestsDivHTML += `<th class="request-state">State</td></tr>`;
requestsDivHTML += "</tr>";
for (request of requests) {
requestsDivHTML += `<tr><td class="request-url"><a href="${request.url}">${request.url}</a></td>\
<td class="request-requester">${request.requester}</td>\
<td class="request-score">${request.score}</td>`;
if (allRequests) requestsDivHTML += `<td class="request-state">${request.state}</td></tr>`;
requestsDivHTML += "</tr>";
}
requestsDivHTML += "</table>";
requestsDiv.innerHTML = requestsDivHTML;
}
function updateTable() {
var count = document.getElementById("count").value;
var allRequests = document.getElementById("allRequests").checked;
getRequests(count,allRequests);
}
function addRequestErr(msg) {
document.getElementById('addRequestError').style.display = "inline-block";
document.getElementById('addRequestError').innerText = msg;
}
function addRequestErrReset() {
document.getElementById('addRequestError').style.display = "none";
document.getElementById('addRequestError').innerText = "";
}
function showMessage(msg) {
document.getElementById("messageModalText").innerText = msg;
document.getElementById("modalBackground").style.display = "flex";
document.getElementById("messageModal").style.display = "block";
}
function closeMessageModal() {
document.getElementById("modalBackground").style.display = "none";
document.getElementById("messageModal").style.display = "none";
}
function openAddRequestModal() {
document.getElementById("modalBackground").style.display = "flex";
document.getElementById("addRequestModal").style.display = "block";
}
function closeAddRequestModal() {
document.getElementById("modalBackground").style.display = "none";
document.getElementById("addRequestModal").style.display = "none";
}
const validUrlRegexes = [
/^https:\/\/www\.youtube\.com\/watch\?v=[a-zA-Z0-9_-]{11}$/
];
function validateAndSubmitRequest() {
addRequestErrReset();
var url = document.getElementById("addRequestUrl").value;
var validUrl = false;
for (var regex of validUrlRegexes) {
if (regex.test(url)) {
validUrl = true;
break;
}
}
if (!validUrl) {
addRequestErr("Invalid URL");
return;
}
fetch("/api/addRequest", { method: 'POST', body: new URLSearchParams({
url: url
})})
.then(response => {
if (!response.ok) {
response.text().then(addRequestErr);
return;
}
closeAddRequestModal();
updateTable();
document.getElementById("addRequestUrl").value = "";
response.text().then(showMessage);
});
}
updateTable();
document.addEventListener("keydown", function onEvent(event) {
if (event.key === "Escape") {
closeMessageModal();
closeAddRequestModal();
}
});
document.getElementById("modalBackground").addEventListener("click", (e) => { if (e.target === e.currentTarget) closeAddRequestModal();});