64 lines
2.1 KiB
JavaScript
64 lines
2.1 KiB
JavaScript
// Like button handler.
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document.addEventListener('DOMContentLoaded', () => {
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const red = "has-text-danger";
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let busy = false;
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// Bind to the like buttons.
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(document.querySelectorAll(".nonshy-like-button") || []).forEach(node => {
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node.addEventListener("click", (e) => {
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e.preventDefault();
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if (busy) return;
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let $icon = node.querySelector(".icon"),
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$label = node.querySelector(".nonshy-likes"),
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tableName = node.dataset.tableName,
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tableID = node.dataset.tableId,
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liking = false;
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// Toggle the color of the heart.
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if ($icon.classList.contains(red)) {
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$icon.classList.remove(red);
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} else {
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liking = true;
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$icon.classList.add(red);
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}
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// Ajax request to backend.
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busy = true;
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return fetch("/v1/likes", {
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method: "POST",
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mode: "same-origin",
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cache: "no-cache",
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credentials: "same-origin",
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headers: {
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"Content-Type": "application/json",
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},
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body: JSON.stringify({
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"name": tableName, // TODO
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"id": parseInt(tableID),
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"unlike": !liking,
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"page": window.location.pathname + window.location.search + window.location.hash,
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}),
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})
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.then((response) => response.json())
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.then((data) => {
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if (data.StatusCode !== 200) {
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window.alert(data.data.error);
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return;
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}
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let likes = data.data.likes;
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if (likes === 0) {
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$label.innerHTML = "Like";
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} else {
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$label.innerHTML = `Like (${likes})`;
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}
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}).catch(resp => {
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window.alert(resp);
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}).finally(() => {
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busy = false;
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})
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});
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});
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});
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