502 lines
17 KiB
JavaScript
Executable File
502 lines
17 KiB
JavaScript
Executable File
/**
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* Peptide Directory — Frontend JavaScript
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*
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* Renders the browsable directory grid with category filters, search,
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* pagination, and detail modal. Uses vanilla JS (no build step required).
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*
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* Data source: REST API at /wp-json/peptide-search-ai/v1/compounds
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* Config: psaDirectory global (localized from class-psa-directory.php)
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*
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* @see includes/class-psa-directory.php — shortcode + REST endpoint
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* @see assets/css/psa-directory.css — all .psa-dir-* styles
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*/
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(function () {
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'use strict';
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var config = window.psaDirectory;
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if (!config) return;
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var root = document.getElementById('psa-directory-root');
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if (!root) return;
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var state = {
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compounds: [],
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page: 1,
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totalPages: 0,
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total: 0,
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category: '',
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search: '',
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loading: false,
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activeTab: 'single',
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modalData: null
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};
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var i18n = config.i18n;
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// -------------------------------------------------------------------------
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// Utility
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// -------------------------------------------------------------------------
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function esc(str) {
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if (!str) return '';
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var d = document.createElement('div');
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d.appendChild(document.createTextNode(str));
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return d.innerHTML;
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}
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function debounce(fn, delay) {
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var timer;
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return function () {
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var args = arguments, ctx = this;
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clearTimeout(timer);
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timer = setTimeout(function () { fn.apply(ctx, args); }, delay);
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};
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}
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// -------------------------------------------------------------------------
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// API
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// -------------------------------------------------------------------------
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function fetchCompounds(append) {
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if (state.loading) return;
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state.loading = true;
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updateLoadMoreBtn();
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var url = config.restUrl +
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'?page=' + state.page +
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'&per_page=' + config.perPage;
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if (state.search) url += '&search=' + encodeURIComponent(state.search);
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if (state.category) url += '&category=' + encodeURIComponent(state.category);
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var xhr = new XMLHttpRequest();
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xhr.open('GET', url, true);
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xhr.setRequestHeader('X-WP-Nonce', config.nonce);
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xhr.onload = function () {
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state.loading = false;
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if (xhr.status === 200) {
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var data = JSON.parse(xhr.responseText);
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if (append) {
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state.compounds = state.compounds.concat(data.compounds);
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} else {
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state.compounds = data.compounds;
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}
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state.total = data.total;
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state.totalPages = data.total_pages;
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renderGrid();
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} else {
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renderError();
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}
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};
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xhr.onerror = function () {
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state.loading = false;
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renderError();
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};
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xhr.send();
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}
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function fetchCompoundDetail(id, callback) {
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var url = config.restUrl + '?search=&per_page=1&page=1&fields=full';
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/* Find by iterating existing data first to avoid extra API call. */
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var existing = null;
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for (var i = 0; i < state.compounds.length; i++) {
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if (state.compounds[i].id === id) {
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existing = state.compounds[i];
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break;
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}
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}
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if (existing && existing.sequence !== undefined) {
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callback(existing);
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return;
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}
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/* Fallback: fetch from API (shouldn't normally be needed for full fields). */
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callback(existing);
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}
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// -------------------------------------------------------------------------
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// Render — Shell
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// -------------------------------------------------------------------------
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function renderShell() {
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root.innerHTML =
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'<div class="psa-dir-header">' +
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'<h2 class="psa-dir-title">' + esc(i18n.title) + '</h2>' +
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'<p class="psa-dir-subtitle">' + esc(i18n.subtitle) + '</p>' +
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'</div>' +
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'<div class="psa-dir-search-wrap">' +
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'<input type="text" class="psa-dir-search" placeholder="' + esc(i18n.searchPlaceholder) + '" aria-label="' + esc(i18n.searchPlaceholder) + '" />' +
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'</div>' +
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'<div class="psa-dir-tabs" role="tablist">' +
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'<button class="psa-dir-tab psa-dir-tab--active" data-tab="single" role="tab" aria-selected="true">' + esc(i18n.singleReagents) + '</button>' +
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'<button class="psa-dir-tab" data-tab="protocols" role="tab" aria-selected="false">' + esc(i18n.protocolModels) + '</button>' +
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'</div>' +
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'<div class="psa-dir-filters" role="group" aria-label="Category filter"></div>' +
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'<div class="psa-dir-content">' +
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'<div class="psa-dir-grid" role="list"></div>' +
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'<div class="psa-dir-coming-soon" style="display:none;">' +
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'<p>' + esc(i18n.comingSoon) + '</p>' +
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'</div>' +
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'<div class="psa-dir-empty" style="display:none;">' +
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'<p>' + esc(i18n.noResults) + '</p>' +
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'</div>' +
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'<div class="psa-dir-loader" style="display:none;">' +
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'<div class="psa-spinner"></div>' +
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'<p>' + esc(i18n.loading) + '</p>' +
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'</div>' +
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'</div>' +
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'<div class="psa-dir-load-more-wrap" style="display:none;">' +
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'<button class="psa-dir-load-more">' + esc(i18n.loadMore) + '</button>' +
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'</div>' +
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'<div class="psa-dir-modal" role="dialog" aria-modal="true" aria-label="Peptide details" style="display:none;">' +
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'<div class="psa-dir-modal__backdrop"></div>' +
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'<div class="psa-dir-modal__content" tabindex="-1"></div>' +
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'</div>';
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renderFilters();
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bindEvents();
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}
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// -------------------------------------------------------------------------
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// Render — Filters
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// -------------------------------------------------------------------------
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function renderFilters() {
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var wrap = root.querySelector('.psa-dir-filters');
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var html = '<button class="psa-dir-filter psa-dir-filter--active" data-category="">' + esc(i18n.showAll) + '</button>';
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config.categories.forEach(function (cat) {
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html += '<button class="psa-dir-filter" data-category="' + esc(cat.slug) + '">' + esc(cat.name) + '</button>';
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});
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wrap.innerHTML = html;
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}
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// -------------------------------------------------------------------------
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// Render — Grid
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// -------------------------------------------------------------------------
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function renderGrid() {
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var grid = root.querySelector('.psa-dir-grid');
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var empty = root.querySelector('.psa-dir-empty');
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var loader = root.querySelector('.psa-dir-loader');
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var coming = root.querySelector('.psa-dir-coming-soon');
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loader.style.display = 'none';
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coming.style.display = 'none';
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if (state.activeTab === 'protocols') {
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grid.style.display = 'none';
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empty.style.display = 'none';
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coming.style.display = 'block';
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updateLoadMoreBtn();
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return;
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}
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grid.style.display = '';
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if (state.compounds.length === 0 && !state.loading) {
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empty.style.display = 'block';
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grid.innerHTML = '';
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updateLoadMoreBtn();
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return;
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}
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empty.style.display = 'none';
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var html = '';
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state.compounds.forEach(function (c) {
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var catBadge = '';
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if (c.categories && c.categories.length > 0) {
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catBadge = '<span class="psa-dir-card__badge psa-dir-badge--' + esc(c.categories[0].slug) + '">' + esc(c.categories[0].name) + '</span>';
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}
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var metaHtml = '';
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if (c.half_life) {
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metaHtml += '<div class="psa-dir-card__meta-item"><span class="psa-dir-card__meta-label">' + esc(i18n.halfLife) + '</span><span class="psa-dir-card__meta-value">' + esc(c.half_life) + '</span></div>';
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}
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if (c.stability) {
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metaHtml += '<div class="psa-dir-card__meta-item"><span class="psa-dir-card__meta-label">' + esc(i18n.stability) + '</span><span class="psa-dir-card__meta-value">' + esc(c.stability) + '</span></div>';
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}
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var extrasHtml = c.extras ? c.extras : '';
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html += '<div class="psa-dir-card" role="listitem" data-id="' + c.id + '">' +
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'<div class="psa-dir-card__header">' +
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'<h3 class="psa-dir-card__title">' + esc(c.name) + '</h3>' +
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catBadge +
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'</div>' +
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(metaHtml ? '<div class="psa-dir-card__meta">' + metaHtml + '</div>' : '') +
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extrasHtml +
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'<button class="psa-dir-card__btn" data-id="' + c.id + '">' + esc(i18n.viewDetails) + '</button>' +
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'</div>';
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});
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grid.innerHTML = html;
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updateLoadMoreBtn();
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}
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function updateLoadMoreBtn() {
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var wrap = root.querySelector('.psa-dir-load-more-wrap');
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var btn = root.querySelector('.psa-dir-load-more');
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if (state.activeTab === 'protocols' || state.page >= state.totalPages || state.compounds.length === 0) {
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wrap.style.display = 'none';
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} else {
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wrap.style.display = 'block';
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btn.textContent = state.loading ? i18n.loading : i18n.loadMore;
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btn.disabled = state.loading;
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}
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}
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function renderError() {
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state.loading = false;
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var grid = root.querySelector('.psa-dir-grid');
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grid.innerHTML = '<p class="psa-dir-error">Failed to load directory. Please try again.</p>';
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root.querySelector('.psa-dir-loader').style.display = 'none';
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updateLoadMoreBtn();
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}
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// -------------------------------------------------------------------------
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// Render — Modal
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// -------------------------------------------------------------------------
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function openModal(compound) {
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state.modalData = compound;
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var modal = root.querySelector('.psa-dir-modal');
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var content = root.querySelector('.psa-dir-modal__content');
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var catBadges = '';
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if (compound.categories) {
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compound.categories.forEach(function (cat) {
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catBadges += '<span class="psa-dir-card__badge psa-dir-badge--' + esc(cat.slug) + '">' + esc(cat.name) + '</span> ';
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});
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}
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var dataGrid = '';
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var fields = [
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{ label: i18n.solubility, value: compound.solubility },
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{ label: i18n.vialSize, value: compound.vial_size_mg ? compound.vial_size_mg + ' mg' : '' },
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{ label: i18n.storageLyo, value: compound.storage_lyophilized },
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{ label: i18n.storageRecon, value: compound.storage_reconstituted },
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{ label: i18n.halfLife, value: compound.half_life },
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{ label: i18n.stability, value: compound.stability },
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{ label: i18n.molecularWeight, value: compound.molecular_weight },
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{ label: i18n.formula, value: compound.molecular_formula }
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];
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fields.forEach(function (f) {
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if (f.value) {
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dataGrid += '<div class="psa-dir-modal__data-item">' +
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'<span class="psa-dir-modal__data-label">' + esc(f.label) + '</span>' +
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'<span class="psa-dir-modal__data-value">' + esc(f.value) + '</span>' +
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'</div>';
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}
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});
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var researchHtml = '';
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if (compound.typical_dose_mcg || compound.cycle_parameters) {
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researchHtml = '<div class="psa-dir-modal__section">' +
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'<h4>' + esc(i18n.researchParams) + '</h4>';
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if (compound.typical_dose_mcg) {
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researchHtml += '<p><strong>' + esc(i18n.typicalDose) + ':</strong> ' + esc(compound.typical_dose_mcg) + '</p>';
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}
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if (compound.cycle_parameters) {
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researchHtml += '<p><strong>' + esc(i18n.cycleParams) + ':</strong> ' + esc(compound.cycle_parameters) + '</p>';
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}
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researchHtml += '</div>';
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}
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var pubchemHtml = '';
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if (compound.pubchem_cid) {
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pubchemHtml = '<a class="psa-dir-modal__pubchem" href="https://pubchem.ncbi.nlm.nih.gov/compound/' + parseInt(compound.pubchem_cid, 10) + '" target="_blank" rel="noopener">' + esc(i18n.pubchemLink) + '</a>';
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}
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var sequenceHtml = '';
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if (compound.sequence) {
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sequenceHtml = '<div class="psa-dir-modal__section">' +
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'<h4>' + esc(i18n.sequence) + '</h4>' +
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'<div class="psa-dir-modal__sequence-wrap">' +
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'<code class="psa-dir-modal__sequence">' + esc(compound.sequence) + '</code>' +
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'<button class="psa-dir-modal__copy" data-seq="' + esc(compound.sequence) + '">' + esc(i18n.copySequence) + '</button>' +
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'</div>' +
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'</div>';
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}
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var mechanismHtml = '';
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if (compound.mechanism) {
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mechanismHtml = '<div class="psa-dir-modal__section">' +
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'<h4>Mechanism of Action</h4>' +
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'<p>' + esc(compound.mechanism).replace(/\n\n/g, '</p><p>').replace(/\n/g, '<br>') + '</p>' + // Safe: esc() HTML-encodes all user content before structural tags are inserted.
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'</div>';
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}
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content.innerHTML =
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'<button class="psa-dir-modal__close" aria-label="' + esc(i18n.close) + '">×</button>' +
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'<h2 class="psa-dir-modal__title">' + esc(compound.name) + '</h2>' +
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'<div class="psa-dir-modal__badges">' + catBadges + '</div>' +
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(compound.description ? '<p class="psa-dir-modal__desc">' + esc(compound.description) + '</p>' : '') +
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sequenceHtml +
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(dataGrid ? '<div class="psa-dir-modal__data-grid">' + dataGrid + '</div>' : '') +
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researchHtml +
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mechanismHtml +
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pubchemHtml +
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'<a class="psa-dir-modal__full-link" href="' + esc(compound.url) + '">' + esc(i18n.viewFullPage) + '</a>';
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modal.style.display = 'flex';
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content.focus();
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// Update URL hash for direct linking.
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if (compound.slug) {
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history.replaceState(null, '', '#' + compound.slug);
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}
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// Fire integration hook for Peptide Community.
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document.dispatchEvent(new CustomEvent('psa_after_peptide_detail', {
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detail: { postId: compound.id }
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}));
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}
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function closeModal() {
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var modal = root.querySelector('.psa-dir-modal');
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modal.style.display = 'none';
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state.modalData = null;
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history.replaceState(null, '', window.location.pathname + window.location.search);
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}
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// -------------------------------------------------------------------------
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// Events
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// -------------------------------------------------------------------------
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function bindEvents() {
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// Search input.
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var searchInput = root.querySelector('.psa-dir-search');
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var debouncedSearch = debounce(function () {
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state.search = searchInput.value.trim();
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state.page = 1;
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showLoader();
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fetchCompounds(false);
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}, 400);
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searchInput.addEventListener('input', debouncedSearch);
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// Category filter buttons.
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root.querySelector('.psa-dir-filters').addEventListener('click', function (e) {
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var btn = e.target.closest('.psa-dir-filter');
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if (!btn) return;
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root.querySelectorAll('.psa-dir-filter').forEach(function (b) {
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b.classList.remove('psa-dir-filter--active');
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});
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btn.classList.add('psa-dir-filter--active');
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state.category = btn.getAttribute('data-category');
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state.page = 1;
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showLoader();
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fetchCompounds(false);
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});
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// Tab buttons.
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root.querySelector('.psa-dir-tabs').addEventListener('click', function (e) {
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var btn = e.target.closest('.psa-dir-tab');
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if (!btn) return;
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root.querySelectorAll('.psa-dir-tab').forEach(function (b) {
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b.classList.remove('psa-dir-tab--active');
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b.setAttribute('aria-selected', 'false');
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});
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btn.classList.add('psa-dir-tab--active');
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btn.setAttribute('aria-selected', 'true');
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state.activeTab = btn.getAttribute('data-tab');
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renderGrid();
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});
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// Load More button.
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root.querySelector('.psa-dir-load-more').addEventListener('click', function () {
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state.page++;
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fetchCompounds(true);
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});
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// Card "View Research Details" button — delegate on grid.
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root.querySelector('.psa-dir-grid').addEventListener('click', function (e) {
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var btn = e.target.closest('.psa-dir-card__btn');
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if (!btn) return;
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var id = parseInt(btn.getAttribute('data-id'), 10);
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fetchCompoundDetail(id, function (compound) {
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if (compound) openModal(compound);
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});
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});
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// Modal close: X button, backdrop click, Escape key.
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root.querySelector('.psa-dir-modal').addEventListener('click', function (e) {
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if (e.target.classList.contains('psa-dir-modal__backdrop') || e.target.classList.contains('psa-dir-modal__close')) {
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closeModal();
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}
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});
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document.addEventListener('keydown', function (e) {
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if (e.key === 'Escape' && state.modalData) {
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closeModal();
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}
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});
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// Copy sequence button.
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root.addEventListener('click', function (e) {
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var copyBtn = e.target.closest('.psa-dir-modal__copy');
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if (!copyBtn) return;
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var seq = copyBtn.getAttribute('data-seq');
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navigator.clipboard.writeText(seq).then(function () {
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copyBtn.textContent = i18n.copied;
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setTimeout(function () { copyBtn.textContent = i18n.copySequence; }, 2000);
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});
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});
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// Check URL hash on load for direct modal linking.
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checkUrlHash();
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}
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function showLoader() {
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var grid = root.querySelector('.psa-dir-grid');
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var loader = root.querySelector('.psa-dir-loader');
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var empty = root.querySelector('.psa-dir-empty');
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grid.innerHTML = '';
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empty.style.display = 'none';
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loader.style.display = 'block';
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}
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/**
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* If URL has a hash like #bpc-157, find the matching compound and open modal.
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*/
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|
function checkUrlHash() {
|
|
var hash = window.location.hash.replace('#', '');
|
|
if (!hash) return;
|
|
/* Wait for initial load, then look for matching slug. */
|
|
var checkInterval = setInterval(function () {
|
|
if (state.loading) return;
|
|
clearInterval(checkInterval);
|
|
for (var i = 0; i < state.compounds.length; i++) {
|
|
if (state.compounds[i].slug === hash) {
|
|
openModal(state.compounds[i]);
|
|
return;
|
|
}
|
|
}
|
|
}, 200);
|
|
/* Safety: stop checking after 5 seconds. */
|
|
setTimeout(function () { clearInterval(checkInterval); }, 5000);
|
|
}
|
|
|
|
// -------------------------------------------------------------------------
|
|
// Init
|
|
// -------------------------------------------------------------------------
|
|
|
|
if (document.readyState === 'loading') {
|
|
document.addEventListener('DOMContentLoaded', init);
|
|
} else {
|
|
init();
|
|
}
|
|
|
|
function init() {
|
|
renderShell();
|
|
showLoader();
|
|
fetchCompounds(false);
|
|
}
|
|
|
|
})();
|