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unsupervised-scheduler/assets/js/booking.js
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thatguygriffandClaude Fable 5 b7d5e3039e
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Split availability windows into bookable lesson-length slots with weekly calendar views
Availability windows were stored and served as a single bookable row, so a
9:00 AM-4:00 PM window showed to students as one giant slot and booking it
consumed the whole day; past and multi-day windows also leaked into the
booking page as nonsense entries.

- Split windows into consecutive lesson-length slots on save (REST and admin
  form); each chunk is independently bookable and weekly recurrence creates a
  series per chunk so "reserve this time weekly" holds the same hour each week
- Reject windows spanning multiple days or shorter than the lesson length
  (400 invalid_window)
- Never return slots whose start has passed from GET /availability
- Migrate pre-split rows: Plugin::boot re-runs the Installer on version change
  and AvailabilityRepository::splitOversizedWindows() rewrites unbooked
  same-day oversized windows in place
- Display all times in 12-hour AM/PM form (booking page, wp-admin lists,
  editor previews)
- Add a List | Week view toggle to the student booking page and the
  instructor availability page, with previous/next-week navigation honouring
  the site's start_of_week option (new WeekCalendar helper)

Co-Authored-By: Claude Fable 5 <[email protected]>
2026-07-05 16:00:47 -03:00

302 lines
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JavaScript
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/* global usScheduler */
(function () {
'use strict';
const app = document.getElementById('us-booking-app');
if (!app) return;
const slotList = document.getElementById('us-slot-list');
const confirm = document.getElementById('us-booking-confirmation');
const errorBox = document.getElementById('us-booking-error');
const { restUrl, nonce } = usScheduler;
function apiFetch(path, options = {}) {
return fetch(restUrl + path, {
...options,
headers: {
'Content-Type': 'application/json',
'X-WP-Nonce': nonce,
...(options.headers || {}),
},
}).then(async (res) => {
const data = await res.json();
if (!res.ok) throw new Error(data.message || 'Request failed');
return data;
});
}
function showError(message) {
errorBox.textContent = message;
errorBox.style.display = 'block';
}
function clearError() {
errorBox.style.display = 'none';
}
function escHtml(str) {
return String(str)
.replace(/&/g, '&amp;')
.replace(/</g, '&lt;')
.replace(/>/g, '&gt;')
.replace(/"/g, '&quot;');
}
const dayKey = (dt) => String(dt).slice(0, 10);
// "2026-07-06 14:30:00" → "2:30 PM"
function timeOf(dt) {
const hours = Number(String(dt).slice(11, 13));
const minutes = String(dt).slice(14, 16);
return `${hours % 12 || 12}:${minutes} ${hours < 12 ? 'AM' : 'PM'}`;
}
function dayLabel(key) {
const date = new Date(key + 'T00:00:00');
if (Number.isNaN(date.getTime())) return key;
return date.toLocaleDateString(undefined, {
weekday: 'long', year: 'numeric', month: 'long', day: 'numeric',
});
}
function shortDayLabel(key) {
const date = new Date(key + 'T00:00:00');
if (Number.isNaN(date.getTime())) return key;
return date.toLocaleDateString(undefined, { weekday: 'short', month: 'short', day: 'numeric' });
}
function groupByDay(slots) {
const groups = new Map();
slots.forEach((slot) => {
const key = dayKey(slot.start_dt);
if (!groups.has(key)) groups.set(key, []);
groups.get(key).push(slot);
});
return [...groups.entries()].sort((a, b) => a[0].localeCompare(b[0]));
}
// --- calendar view state (list is the default; week keeps its position) ---
let allSlots = [];
let view = 'list';
let weekStart = null;
const pad = (n) => String(n).padStart(2, '0');
const toKey = (d) => `${d.getFullYear()}-${pad(d.getMonth() + 1)}-${pad(d.getDate())}`;
function addDays(key, days) {
const date = new Date(key + 'T00:00:00');
date.setDate(date.getDate() + days);
return toKey(date);
}
// First day of the week containing `key`, honouring the site's
// start-of-week setting (0 = Sunday … 6 = Saturday).
function weekStartOf(key) {
const startOfWeek = Number(usScheduler.startOfWeek) || 0;
const date = new Date(key + 'T00:00:00');
return addDays(key, -((date.getDay() - startOfWeek + 7) % 7));
}
function toggleHtml() {
return `
<div class="us-view-toggle" role="group" aria-label="Calendar view">
<button type="button" id="us-view-list" class="${view === 'list' ? 'us-active' : ''}">List</button>
<button type="button" id="us-view-week" class="${view === 'week' ? 'us-active' : ''}">Week</button>
</div>`;
}
// Agenda-style calendar: available slots grouped by day.
function listHtml() {
return groupByDay(allSlots).map(([key, daySlots]) => `
<div class="us-day">
<h3 class="us-day-heading">${escHtml(dayLabel(key))}</h3>
${daySlots.map((slot) => `
<div class="us-slot">
<span>${escHtml(timeOf(slot.start_dt))}${escHtml(timeOf(slot.end_dt))} (${escHtml(String(slot.duration_minutes))} min)</span>
<button data-slot-id="${slot.id}" class="us-book-btn">Book</button>
</div>
`).join('')}
</div>
`).join('');
}
// Weekly calendar: seven day columns with a bookable button per slot.
function weekHtml() {
const byDay = new Map(groupByDay(allSlots));
const days = [...Array(7).keys()].map((i) => addDays(weekStart, i));
const columns = days.map((key) => {
const daySlots = byDay.get(key) || [];
const buttons = daySlots.map((slot) => `
<button data-slot-id="${slot.id}" class="us-book-btn us-week-slot" title="${escHtml(String(slot.duration_minutes))} min">
${escHtml(timeOf(slot.start_dt))}
</button>
`).join('');
return `
<div class="us-week-day">
<h4 class="us-week-day-heading">${escHtml(shortDayLabel(key))}</h4>
${buttons || '<span class="us-week-empty" aria-hidden="true">—</span>'}
</div>`;
}).join('');
return `
<div class="us-week-nav">
<button type="button" id="us-week-prev">&lsaquo; Previous week</button>
<strong class="us-week-label">Week of ${escHtml(shortDayLabel(weekStart))}</strong>
<button type="button" id="us-week-next">Next week &rsaquo;</button>
</div>
<div class="us-week-grid">${columns}</div>`;
}
function render() {
if (!allSlots.length) {
slotList.innerHTML = '<p>No available lesson slots at this time.</p>';
return;
}
slotList.innerHTML = toggleHtml() + (view === 'week' ? weekHtml() : listHtml());
wireCalendarEvents();
}
function wireCalendarEvents() {
document.getElementById('us-view-list').addEventListener('click', () => {
view = 'list';
render();
});
document.getElementById('us-view-week').addEventListener('click', () => {
view = 'week';
// Default to the week of the earliest open slot (the API returns
// slots ordered by start), so the first look is never empty.
if (!weekStart) weekStart = weekStartOf(dayKey(allSlots[0].start_dt));
render();
});
const prev = document.getElementById('us-week-prev');
const next = document.getElementById('us-week-next');
if (prev) prev.addEventListener('click', () => { weekStart = addDays(weekStart, -7); render(); });
if (next) next.addEventListener('click', () => { weekStart = addDays(weekStart, 7); render(); });
slotList.querySelectorAll('.us-book-btn[data-slot-id]').forEach((btn) => {
const slot = allSlots.find((s) => String(s.id) === btn.dataset.slotId);
if (slot) btn.addEventListener('click', () => openRegistration(slot));
});
}
function questionField(q) {
const name = `q_${q.id}`;
const required = q.is_required ? 'required' : '';
let input;
if (q.field_type === 'textarea') {
input = `<textarea name="${name}" ${required}></textarea>`;
} else if (q.field_type === 'select') {
const opts = (q.options || []).map((o) => `<option value="${escHtml(o)}">${escHtml(o)}</option>`).join('');
input = `<select name="${name}" ${required}><option value="">—</option>${opts}</select>`;
} else if (q.field_type === 'checkbox') {
input = `<input type="checkbox" name="${name}" value="1">`;
} else {
input = `<input type="text" name="${name}" ${required}>`;
}
return `<p class="us-question"><label>${escHtml(q.label)}<br>${input}</label></p>`;
}
function policyField(p) {
return `
<div class="us-policy">
<h4>${escHtml(p.title)}</h4>
<div class="us-policy-body">${p.body || ''}</div>
<label><input type="checkbox" class="us-policy-accept" value="${p.policy_version_id}" required> I have read and agree to the ${escHtml(p.title)}.</label>
</div>`;
}
function openRegistration(slot) {
clearError();
const offeringId = Number(slot.offering_id) || 0;
const qPath = offeringId ? `offerings/${offeringId}/questions` : null;
Promise.all([
qPath ? apiFetch(qPath) : Promise.resolve([]),
apiFetch('policies?scope=booking'),
])
.then(([questions, policies]) => {
renderRegistration(slot, offeringId, questions, policies);
})
.catch((err) => showError(err.message));
}
function renderRegistration(slot, offeringId, questions, policies) {
const weekly = slot.recurrence_group
? `<p><label><input type="checkbox" id="us-weekly"> Reserve this time weekly for the term</label></p>`
: '';
slotList.innerHTML = `
<div class="us-register">
<h3>${escHtml(dayLabel(dayKey(slot.start_dt)))} · ${escHtml(timeOf(slot.start_dt))}${escHtml(timeOf(slot.end_dt))}</h3>
<form id="us-register-form">
${questions.map(questionField).join('')}
${policies.map(policyField).join('')}
${weekly}
<p>
<button type="submit" class="us-book-btn">Confirm Booking</button>
<button type="button" id="us-cancel" class="us-cancel-btn">Back</button>
</p>
</form>
</div>`;
document.getElementById('us-cancel').addEventListener('click', loadSlots);
document.getElementById('us-register-form').addEventListener('submit', (e) => {
e.preventDefault();
submitBooking(e.target, slot, offeringId, questions);
});
}
function submitBooking(form, slot, offeringId, questions) {
clearError();
const answers = {};
questions.forEach((q) => {
const field = form.elements[`q_${q.id}`];
if (!field) return;
answers[q.id] = field.type === 'checkbox' ? (field.checked ? '1' : '0') : field.value;
});
const accepted = [...form.querySelectorAll('.us-policy-accept:checked')].map((c) => Number(c.value));
const weeklyEl = document.getElementById('us-weekly');
apiFetch('bookings', {
method: 'POST',
body: JSON.stringify({
slot_id: slot.id,
offering_id: offeringId,
recurrence: weeklyEl && weeklyEl.checked ? 'weekly' : 'single',
answers,
accepted_policy_version_ids: accepted,
}),
})
.then((res) => window.usPayment.collect('lesson', (res.ids || [])[0], slotList))
.then((result) => showConfirmation(window.usPayment.message(result)))
.catch((err) => showError(err.message));
}
function showConfirmation(message) {
confirm.textContent = message;
slotList.style.display = 'none';
confirm.style.display = 'block';
}
function loadSlots() {
clearError();
slotList.style.display = 'block';
confirm.style.display = 'none';
apiFetch('availability')
.then((slots) => {
allSlots = slots;
render();
})
.catch((err) => showError(err.message));
}
loadSlots();
}());