class FeedBlock {
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constructor() {
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this.container = document.querySelector('section.feed-block');
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if(!this.container) return;
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this.a11y = window.jvbA11y;
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this.error = window.jvbError;
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this.cache = new window.jvbCache('feed');
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this.templates = window.jvbTemplates;
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this.config = {
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source: '',
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context: '',
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highlight: null,
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gallery: false,
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view: this.cache.get('feedView') || 'grid',
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... this.container.dataset
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};
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this.init();
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}
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init() {
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this.initElements();
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this.defineTemplates();
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this.initListeners();
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this.initFilters();
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if ('requestIdleCallback' in window) {
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requestIdleCallback(() => {
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this.initStore();
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this.initTaxonomies();
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this.processCachedFilters();
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this.processURLFilters();
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this.updateFilterUI();
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this.initGallery();
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}, { timeout: 2000 });
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} else {
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setTimeout(() => {
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this.initStore();
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this.initTaxonomies();
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this.processCachedFilters();
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this.processURLFilters();
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this.updateFilterUI();
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this.initGallery();
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}, 100);
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}
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}
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initElements() {
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this.selectors = {
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filterTrigger: '[data-filter]',
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filters: {
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actions: '.filter-actions .toggle-text',
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container: '.filters',
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content: '[data-filter="content"]',
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orderby: '[data-filter="orderby"]',
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order: '[data-filter="order"]',
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match: '[data-filter="match"]',
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favourites: '[data-filter="favourites"]',
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taxonomy: '[data-filter^="taxonomy"]',
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},
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grid: '.item-grid',
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selected: '.selected-items',
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buttons: {
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loadMore: 'button.load-more',
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remove: '.remove-term',
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clearFilters: 'button.clear-filters',
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refresh: 'button[data-action="refresh"]'
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}
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};
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this.ui = window.uiFromSelectors(this.selectors, this.container);
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this.ui.buttons.refresh = document.querySelector(this.selectors.buttons.refresh);
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//Add content and taxonomies
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this.ui.content = this.ui.filters.container.querySelectorAll('[name="content"]');
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if (this.ui.content.length === 0) this.ui.content = false;
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this.ui.taxonomies = this.ui.filters.container.querySelectorAll('[data-taxonomy]');
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if (this.ui.taxonomies.length === 0) this.ui.content = false;
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this.ui.orderbyWrap = this.ui.filters.container.querySelector('[data-for-order]');
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if (this.ui.orderbyWrap.length === 0) this.ui.content = false;
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this.ui.order = this.ui.filters.container.querySelectorAll('[data-filter="order"]');
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if (this.ui.order.length === 0) this.ui.content = false;
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this.ui.orderby = this.ui.filters.container.querySelectorAll('[data-filter="orderby"]');
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if (this.ui.orderby.length === 0) this.ui.content = false;
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this.contentTypes = (this.ui.content)
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? Array.from(this.ui.content).map(c => c.value)
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: [this.container.dataset.content];
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this.taxonomies = (this.ui.taxonomies?.length > 0)
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? Array.from(this.ui.taxonomies).map(t => t.dataset.taxonomy)
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: [];
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}
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initListeners() {
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this.popStateHandler = this.handlePopState.bind(this);
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this.clickHandler = this.handleClick.bind(this);
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this.changeHandler = this.handleChange.bind(this);
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window.addEventListener('popstate', this.popStateHandler);
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document.addEventListener('click', this.clickHandler);
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document.addEventListener('change', this.changeHandler);
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}
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initFilters() {
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this.allowedFilters = ['content', 'order', 'orderby', 'favourites', 'match'];
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let defaults = {
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content: this.contentTypes[0],
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orderby: 'date',
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order: 'desc',
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page: 1,
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};
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if (this.config.context) defaults.context = this.config.context;
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if (this.config.source) defaults.source = this.config.source;
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this.filters = defaults;
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this.defaults = {...defaults};
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}
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updateFilterUI() {
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if (this.ui.filters.container) {
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//Get cached inputs
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let groups = [
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this.ui.content,
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this.ui.orderby,
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this.ui.order
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];
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groups.forEach(group => {
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if(group) {
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for (let input of group) {
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let [filter, value] = [input.dataset.filter, input.value];
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if (!Object.hasOwn(this.store.filters, filter)) break;
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let doit = this.store.filters[filter] === value;
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if (doit) {
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input.checked = doit;
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break;
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}
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}
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}
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});
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if (Object.hasOwn(this.store.filters, 'taxonomy')) {
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for (let [taxonomy, terms] of Object.entries(this.store.filters.taxonomy)) {
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terms.forEach(termId => {
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termId = parseInt(termId);
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const term = this.selector.store.get(termId);
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if (term) {
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this.createTermElement(termId);
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}
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});
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}
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}
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}
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}
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handlePopState(e) {
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if (e.state?.filters) {
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if (this.processURLFilters()) {
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this.store.setFilters(this.filters);
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this.a11y.announce('Feed filters updated from browser history');
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}
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}
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}
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handleClick(e) {
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if (window.targetCheck(e, this.selectors.buttons.loadMore)) {
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this.nextPage();
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} else if (window.targetCheck(e, this.selectors.buttons.clearFilters)) {
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this.clearFilters();
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}
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let remove = window.targetCheck(e, this.selectors.buttons.remove);
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if (remove) {
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this.removeSelectedTerm(remove);
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}
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let refresh = window.targetCheck(e, this.selectors.buttons.refresh);
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if (refresh) {
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this.store.clearCache();
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this.store.fetch();
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}
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}
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nextPage() {
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const nextPage = (this.store.filters.page || 1) + 1;
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const maxPage = this.store.lastResponse?.pages || nextPage;
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this.store.setFilters({ page: Math.min(nextPage, maxPage) });
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}
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handleChange(e) {
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const target = e.target;
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if (Object.hasOwn(target.dataset, 'filter')) {
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if (this.allowedFilters.includes(target.dataset.filter)) {
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let filters = {};
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filters[target.dataset.filter] = target.value;
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this.resetFilters(filters);
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}
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switch (target.dataset.filter) {
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case 'content':
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this.updateContentFor(target.value);
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break;
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case 'orderby':
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this.updateOrderOptions(target.value);
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break;
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}
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}
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}
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clearFilters() {
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this.taxFilters = {};
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window.removeChildren(this.ui.selected);
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this.taxonomies.forEach(tax => {
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let fieldId = this.getFieldId(tax);
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this.selector.selectedTerms.get(fieldId)?.clear();
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});
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this.store.setFilters({
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...this.defaults,
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taxonomy: null
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});
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this.updateURL();
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this.saveToCacheFilters();
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}
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resetFilters(filters) {
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filters = {
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...this.store.filters,
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page: 1,
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... filters
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}
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this.store.setFilters(filters);
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this.updateURL();
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this.saveToCacheFilters();
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}
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getFieldId(taxonomy) {
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return this.selector.getFieldId(Array.from(this.ui.taxonomies).filter(tax => tax.dataset.taxonomy === taxonomy)[0]??null);
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}
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removeSelectedTerm(button) {
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const termId = parseInt(button.dataset.id);
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const taxonomy = button.dataset.taxonomy;
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if (Object.hasOwn(this.taxFilters, taxonomy)){
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this.taxFilters[taxonomy] = this.taxFilters[taxonomy]
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.filter(id => id !== termId);
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if (this.taxFilters[taxonomy].length === 0) {
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delete this.taxFilters[taxonomy];
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}
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}
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button.remove();
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// Find the fieldId for this taxonomy
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const field = this.getFieldId(taxonomy);
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if (field) {
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this.selector.activeField = field;
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// Notify selector to remove from its selectedTerms
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this.selector.removeSelected(termId, field);
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}
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this.resetFilters({
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taxonomy: Object.keys(this.taxFilters).length > 0
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? this.taxFilters
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: null
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});
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}
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updateContentFor(content) {
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let checkIt = [
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this.ui.taxonomies,
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this.ui.orderby
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];
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checkIt.forEach(check => {
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if (!check) return;
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check.forEach(button => {
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const forTypes = button.dataset.for?.split(',')??[];
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button.hidden = forTypes.length > 0 && !forTypes.includes(content);
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if (button.hidden && button.checked) {
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button.checked = false;
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}
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});
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});
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}
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updateOrderOptions(order) {
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if (this.ui.orderbyWrap) {
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let options = this.ui.orderbyWrap.dataset.forOrder.split(',')??[];
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this.ui.orderbyWrap.hidden = !options.includes(order);
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}
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}
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updateFilterControls() {
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const isHidden = Object.keys(this.taxFilters).length === 0;
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if (this.ui.buttons.clearFilters) {
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this.ui.buttons.clearFilters.hidden = isHidden;
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}
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if (this.ui.filters.actions) {
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this.ui.filters.actions.hidden = isHidden;
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}
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}
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async initTaxonomies() {
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this.taxFilters = {};
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this.selector = window.jvbSelector;
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// this.selector.scanExistingFields(this.ui.filters.container);
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// this.taxonomies.map(tax => this.selector.batchFetch.add(tax));
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// this.selector.batchFetchTaxonomies();
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this.selector.subscribe((event, data) => {
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switch (event) {
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case 'selected-terms':
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this.handleTaxonomyChange(data);
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break;
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}
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});
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}
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handleTaxonomyChange(data) {
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const {terms, taxonomy } = data;
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if (terms.size === 0) return;
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this.taxFilters[taxonomy] = Array.from(terms);
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this.resetFilters({ taxonomy: this.taxFilters });
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terms.forEach(t => {
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this.createTermElement(t);
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});
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this.updateFilterControls();
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}
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getTaxonomyIcon(taxonomy) {
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let iconButton = Array.from(this.ui.taxonomies)
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.find(t => t.dataset.taxonomy === taxonomy);
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return iconButton?.dataset.icon.trim() || 'tag';
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}
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createTermElement(termId) {
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const term = this.selector.store.get(termId);
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if (!term) return;
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if (this.ui.selected.querySelector(`[data-id="${termId}"]`)) return;
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term.icon = this.getTaxonomyIcon(term.taxonomy);
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this.ui.selected.append(this.templates.create('feedTerm', term));
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}
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processCachedFilters() {
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Object.keys(this.filters).forEach(filter => {
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let cached = this.cache.get(`${this.config.source}_${this.config.context}_${filter}`);
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if (cached && cached !== this.filters[filter]) {
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this.filters[filter] = cached;
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}
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});
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}
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processURLFilters() {
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if (!this.isFirstPage()) return false;
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const params = new URLSearchParams(window.location.search);
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if (!params.toString()) return false;
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let shouldUpdate = false;
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this.allowedFilters.forEach(filter => {
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let value = params.get(`f_${filter}`);
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if (value) {
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shouldUpdate = true;
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this.filters[filter] = value;
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}
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});
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let hasTax = false;
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params.forEach((value, key) => {
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if (key.startsWith('f_tax_')) {
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hasTax = true;
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shouldUpdate = true;
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const taxonomy = key.replace('f_tax_','');
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this.taxFilters[taxonomy] = value.split(',').map(Number);
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}
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});
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if (shouldUpdate) {
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if (hasTax) {
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this.filters.taxonomy = this.taxFilters;
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}
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this.resetFilters(this.filters);
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}
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return true;
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}
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updateURL() {
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const params = new URLSearchParams();
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this.allowedFilters.forEach(key => {
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if (Object.hasOwn(this.store.filters, key) && this.store.filters[key] !== this.defaults[key]) {
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params.set(`f_${key}`, this.store.filters[key]);
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}
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});
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for (let [tax, terms] of Object.entries(this.taxFilters)) {
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if (terms.length > 0) {
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params.set(`f_tax_${tax}`, terms.join(','));
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}
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}
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const newURL = `${window.location.pathname}${params.toString() ? '?' + params.toString() : ''}`;
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const currentURL = window.location.pathname + window.location.search; // Change this line
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if (newURL !== currentURL) {
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window.history.pushState({filters:this.store.filters}, '', newURL);
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}
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}
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saveToCacheFilters() {
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Object.keys(this.store.filters).forEach(filter => {
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const cacheKey = `${this.config.source}_${this.config.context}_${filter}`;
|
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if (this.store.filters[filter] !== this.defaults[filter]) {
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this.cache.set(cacheKey, this.store.filters[filter]);
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} else {
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this.cache.remove(cacheKey);
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}
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});
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const taxCacheKey = `${this.config.source}_${this.config.context}_taxonomy`;
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if (Object.keys(this.taxFilters).length > 0) {
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this.cache.set(taxCacheKey, this.taxFilters);
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} else {
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this.cache.remove(taxCacheKey);
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}
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}
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initGallery() {
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this.gallery = (this.config.gallery) ? window.jvbGallery : false;
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if (this.gallery) {
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this.gallery.subscribe((event, data) => {
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if (event === 'load-more' && this.store.lastResponse?.has_more) {
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this.nextPage();
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}
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});
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}
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}
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initStore() {
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const store = window.jvbStore.register(
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'feed',
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{
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storeName: 'feed',
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endpoint: 'feed',
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keyPath: 'id',
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indexes: [
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{ name: 'content', keyPath: 'content'},
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{ name: 'taxonomy', keyPath: 'taxonomy'},
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{ name: 'user', keyPath: 'user'},
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{ name: 'date', keyPath: 'modified'},
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{ name: 'title', keyPath: 'title'}
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],
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filters: this.filters,
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TTL: 6 * 60 * 60 * 1000, //6 hours
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showLoading: true,
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required: 'content',
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}
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);
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this.store = store.feed;
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this.store.subscribe((event, data) => {
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switch (event) {
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case 'data-loaded':
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this.renderItems();
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this.ui.buttons.loadMore.hidden = true;
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if (this.store.lastResponse && this.store.lastResponse?.has_more) {
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this.ui.buttons.loadMore.hidden = !this.store.lastResponse?.has_more??true;
|
}
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break;
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}
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});
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}
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isFirstPage() {
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return this.store.filters.page === 1;
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}
|
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renderItems() {
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let items = this.store.getFiltered();
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if (this.isFirstPage()) {
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window.removeChildren(this.ui.grid);
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}
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if (items.length === 0) {
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this.showEmptyState();
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this.a11y.announceItems(0, this.isFirstPage());
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} else {
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window.chunkIt(
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items,
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(item) => this.createItemElement(item),
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(fragment) => {
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this.removePlaceholders();
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this.ui.grid.append(fragment);
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if (this.config.gallery) this.gallery.buildGalleryItems('.item img');
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this.a11y.makeNavigable(this.ui.grid.querySelectorAll('.item:not([data-keyboard-nav])'));
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this.a11y.announceItems(items.length, !this.isFirstPage(), this.store.lastResponse?.has_more??false);
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},
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5
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).then(()=>{});
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}
|
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this.updateFilterControls();
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}
|
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showEmptyState() {
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window.removeChildren(this.ui.grid);
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this.ui.grid.append(this.templates.create('emptyState'));
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}
|
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createItemElement(item) {
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return this.templates.create(`feedItem${window.uppercaseFirst(item.content)}`, item);
|
}
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splitIDs(value) {
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return String(value).split(',').map((value) => parseInt(value.trim())).filter(value=>value);
|
}
|
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isImageField(item, value) {
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if (!Object.hasOwn(item, 'images') || Object.keys(item.images).length === 0) {
|
return false;
|
}
|
let values = this.splitIDs(value);
|
|
return values.some(v =>
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Object.keys(item.images).map(k => parseInt(k)).includes(parseInt(v))
|
);
|
}
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formatImageFields(element, value, item) {
|
let values = this.splitIDs(value); // Convert string to array first
|
if (values.length === 0) return;
|
|
if (values.length > 1) {
|
let image = element.querySelector('img');
|
if (!image) return;
|
values.forEach(imgID => {
|
let img = image.cloneNode(true);
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this.formatImageField(img, imgID, item);
|
element.append(img);
|
});
|
image.remove();
|
} else {
|
if (element.tagName !== 'IMG') {
|
element = element.querySelector('img');
|
if (!element) return;
|
}
|
this.formatImageField(element, values[0], item);
|
}
|
}
|
formatImageField(element, value, item) {
|
let imgData = item.images[value]??false;
|
if (!imgData) return;
|
[
|
element.src,
|
element.srcset,
|
element.alt
|
] = [
|
imgData.tiny,
|
`${imgData.tiny} 50w, ${imgData.small} 300w, ${imgData.medium} 1024w`,
|
imgData['image-alt-text']
|
]
|
}
|
isTaxonomyField(item, field) {
|
if (!Object.hasOwn(item, 'taxonomies') || Object.keys(item.taxonomies).length === 0) {
|
return false;
|
}
|
|
return Object.keys(item.taxonomies).includes(field);
|
}
|
formatTaxonomyField(element, item, field, value) {
|
if (element.tagName !== 'UL' || !element.querySelector('li')) return;
|
let values = this.splitIDs(value);
|
if (values.length === 0) {
|
element.remove();
|
}
|
let listItem = element.querySelector('li');
|
for (let termID of values) {
|
let term = item.taxonomies[field][termID]??false;
|
if (!term) continue;
|
let termItem = listItem.cloneNode(true);
|
let link = termItem.querySelector('a');
|
if (!link) continue;
|
|
[
|
link.href,
|
link.title,
|
link.textContent
|
] = [
|
term.url,
|
`See more ${term.title}`,
|
term.title
|
];
|
element.append(termItem);
|
}
|
listItem.remove();
|
}
|
isTimeField(el) {
|
return el.tagName === 'TIME' || el.querySelector('time') !== null;
|
}
|
formatTimeField(element, value) {
|
if (element.tagName !== 'TIME') {
|
element = element.querySelector('time');
|
if (!element) return;
|
}
|
element.setAttribute('datetime', value);
|
element.textContent = window.formatTimeAgo(value, 'F Y');
|
}
|
formatField(element, value) {
|
element.textContent = value;
|
}
|
|
addTimelineElements(item, template) {
|
let [
|
afterEl,
|
number,
|
started,
|
last
|
] = [
|
template.querySelector('span.after-text'),
|
template.querySelector('[data-field="number"] b'),
|
template.querySelector('[data-field="started"] time'),
|
template.querySelector('[data-field="updated"] time')
|
];
|
|
if (afterEl) {
|
afterEl.textContent = `After ${item.fields.number - 1} Tx`;
|
}
|
if (number) {
|
number.textContent = item.fields.number;
|
}
|
if (started) {
|
this.formatTimeField(started, item.fields.timeline[0]['post_date']);
|
}
|
if (last) {
|
this.formatTimeField(last, item.fields.timeline[item.fields.timeline.length - 1]['post_date']);
|
}
|
}
|
|
removePlaceholders() {
|
const placeholders = this.ui.grid.querySelectorAll('.placeholder');
|
if (placeholders.length > 0) {
|
placeholders.forEach(p => p.remove());
|
}
|
}
|
|
defineTemplates() {
|
const T = this.templates;
|
const f = this;
|
|
T.define('feedTerm', {
|
refs: {
|
icon: '.icon',
|
span: 'span'
|
},
|
setup({el, refs, manyRefs, data}) {
|
el.dataset.id = data.id;
|
el.dataset.taxonomy = data.taxonomy;
|
if (refs.icon) refs.icon.className = `icon icon=${data.icon}`;
|
if (refs.span) refs.span.textContent = data.name;
|
}
|
});
|
T.define('emptyState');
|
|
this.contentTypes.forEach(content => {
|
T.define(`feedItem${window.uppercaseFirst(content)}`, {
|
refs: {
|
link: 'a',
|
},
|
manyRefs: {
|
fields: '[data-field]',
|
},
|
setup({el, refs, manyRefs, data}) {
|
const isTimeline = Object.hasOwn(el.dataset, 'timeline');
|
if (manyRefs.fields) {
|
for (let field of manyRefs.fields) {
|
if (isTimeline && ['timeline','number'].includes(field.dataset.field)) continue;
|
|
const value = Object.hasOwn(data.fields, field.dataset.field)? data.fields[field.dataset.field] : false;
|
if (!value) {
|
field.remove();
|
continue;
|
}
|
if (f.isImageField(data, value)) {
|
f.formatImageField(field, value, data);
|
} else if (f.isTaxonomyField(data, field.dataset.field)) {
|
f.formatTaxonomyField(field, data, field.dataset.field, value);
|
} else if (f.isTimeField(field)) {
|
f.formatTimeField(field, value);
|
} else {
|
f.formatField(field, value);
|
}
|
}
|
if (refs.link && data.url !== '') {
|
refs.link.href = data.url;
|
refs.link.title = `View ${data.fields['post_title']??'Item'}`;
|
}
|
if (isTimeline ) f.addTimelineElements(data, el);
|
}
|
}
|
})
|
});
|
}
|
|
// addPlaceholders() {
|
// let total = this.contentTypes.length;
|
// const fragment = document.createDocumentFragment();
|
// for (let i = 0; i < 12; i++) {
|
// let template = window.getTemplate('placeholderTemplate');
|
//
|
// let rand = Math.floor(Math.random() * total);
|
// let icon;
|
// if (this.ui.content && this.ui.content.length > 0) {
|
// icon = this.ui.content.filter((content) => { return content.value === this.contentTypes[rand]}).querySelector('.icon').cloneNode(true);
|
// } else {
|
// icon = window.getIcon(this.container.dataset.icon);
|
// }
|
// template.append(icon);
|
// fragment.append(template);
|
// }
|
// this.ui.grid.append(fragment);
|
// }
|
}
|
|
document.addEventListener('DOMContentLoaded', async function() {
|
window.auth.subscribe(event => {
|
if (event === 'auth-loaded') {
|
window.feedBlock = new FeedBlock();
|
}
|
});
|
});
|
