Martin Slachta
125 lines
4.4 KiB
JavaScript
125 lines
4.4 KiB
JavaScript
class RsvReservationSummary extends HTMLElement {
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// ---- Lifecycle ----------------------------------------------------------
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connectedCallback() {
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this._all_slots = new Map(); // name → { slots, price_per_block }
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this._form = this.closest('form');
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this._build();
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if (this._form) {
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this._handler = e => {
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this._all_slots.set(e.detail.name, {
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slots: e.detail.slots,
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price_per_block: e.detail.price_per_block,
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});
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this._render();
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};
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this._form.addEventListener('rsv:slots-changed', this._handler);
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}
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}
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disconnectedCallback() {
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if (this._form && this._handler) {
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this._form.removeEventListener('rsv:slots-changed', this._handler);
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}
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}
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// ---- Public API ---------------------------------------------------------
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// Detached, static copy of the current selection for the success message.
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// Mirrors the live layout minus the interactive "clear all" control.
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snapshot() {
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const s = ReservairStrings.summary;
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const list = this.querySelector('.rsv-summary-list');
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const count = this.querySelector('.rsv-summary-count');
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const price = this.querySelector('.rsv-summary-price');
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const node = document.createElement('div');
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node.className = 'rsv-summary rsv-summary-snapshot';
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node.innerHTML = `
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<div class="rsv-summary-header">
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<span class="rsv-summary-title">${s.title}</span>
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</div>
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<ul class="rsv-summary-list">${list ? list.innerHTML : ''}</ul>
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<div class="rsv-summary-footer">
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<span class="rsv-summary-count">${count ? count.textContent : ''}</span>
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<div class="rsv-summary-price">${price ? price.textContent : ''}</div>
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</div>
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`;
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return node;
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}
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// ---- Private ------------------------------------------------------------
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_build() {
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const s = ReservairStrings.summary;
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this.innerHTML = `
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<div class="rsv-summary-header">
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<span class="rsv-summary-title">${s.title}</span>
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<button type="button" class="rsv-summary-clear">${s.clear_all}</button>
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</div>
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<ul class="rsv-summary-list"></ul>
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<div class="rsv-summary-footer">
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<span class="rsv-summary-count"></span>
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<div class="rsv-summary-price"></div>
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</div>
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`;
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this.hidden = true;
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this.querySelector('.rsv-summary-clear').addEventListener('click', () => {
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this._form?.querySelectorAll('rsv-reservation-selector').forEach(sel => sel.clear());
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});
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}
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_render() {
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const all_slots = [...this._all_slots.values()].flatMap(({ slots, price_per_block }) =>
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slots.map(s => ({ ...s, price_per_block }))
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);
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const n = all_slots.length;
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const list = this.querySelector('.rsv-summary-list');
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const count_el = this.querySelector('.rsv-summary-count');
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const price_el = this.querySelector('.rsv-summary-price');
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const s = ReservairStrings.summary;
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const locale = navigator.language;
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this.hidden = n === 0;
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if (n === 0) {
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list.replaceChildren();
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count_el.textContent = '';
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price_el.textContent = '';
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return;
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}
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const time_opts = { hour: '2-digit', minute: '2-digit' };
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list.replaceChildren(...all_slots.map(slot => {
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const start = new Date(slot.start_utc);
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const end = new Date(slot.end_utc);
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const li = document.createElement('li');
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li.className = 'rsv-summary-item';
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li.innerHTML = `
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<div class="rsv-summary-item-info">
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<span class="rsv-summary-item-date">${start.toLocaleDateString(locale, { weekday: 'long', day: 'numeric', month: 'long' })}</span>
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<span class="rsv-summary-item-time">${start.toLocaleTimeString(locale, time_opts)} – ${end.toLocaleTimeString(locale, time_opts)}</span>
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</div>
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${slot.price_per_block > 0 ? `<span class="rsv-summary-item-price">${slot.price_per_block} ${s.currency}</span>` : ''}
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`;
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return li;
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}));
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const total = all_slots.reduce((sum, slot) => sum + slot.price_per_block, 0);
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count_el.textContent = this._fmt_count(n);
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price_el.textContent = total > 0 ? `${total} ${s.currency}` : '';
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}
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_fmt_count(n) {
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const s = ReservairStrings.summary;
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if (n === 1) return s.count_one;
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if (n < 5) return s.count_few.replace('%d', n);
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return s.count_many.replace('%d', n);
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}
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}
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customElements.define('rsv-reservation-summary', RsvReservationSummary);
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