import { init, logout, api } from '/app.js'; const DOMAIN = '{{.env.DOMAIN}}'; const tripID = location.pathname.split('/').pop(); const profile = await init(); let trip, me; try { [trip, me] = await Promise.all([ api('GET', '/api/trips/' + tripID), api('GET', '/api/trips/' + tripID + '/me') ]); } catch (e) { document.body.style.opacity = 1; document.body.textContent = 'Access denied.'; throw e; } document.getElementById('trip-name').textContent = trip.name; document.getElementById('main').style.display = 'block'; document.getElementById('logout-btn').addEventListener('click', logout); if (me.role !== 'admin') { document.getElementById('member-view').style.display = 'block'; await renderMemberView(me); await customElements.whenDefined('wa-button'); document.body.style.opacity = 1; } else { await (async () => { document.getElementById('admin-view').style.display = 'block'; document.getElementById('room-size').value = trip.room_size; document.getElementById('pn-multiple').value = trip.prefer_not_multiple; document.getElementById('np-cost').value = trip.no_prefer_cost; document.getElementById('room-size').addEventListener('change', async () => { const size = parseInt(document.getElementById('room-size').value); if (size >= 1) await api('PATCH', '/api/trips/' + tripID, { room_size: size }); }); document.getElementById('pn-multiple').addEventListener('change', async () => { const val = parseInt(document.getElementById('pn-multiple').value); if (val >= 1) await api('PATCH', '/api/trips/' + tripID, { prefer_not_multiple: val }); }); document.getElementById('np-cost').addEventListener('change', async () => { const val = parseInt(document.getElementById('np-cost').value); if (val >= 0) await api('PATCH', '/api/trips/' + tripID, { no_prefer_cost: val }); }); let lastOveralls = {}; async function loadStudents() { const [students, constraintData] = await Promise.all([ api('GET', '/api/trips/' + tripID + '/students'), api('GET', '/api/trips/' + tripID + '/constraints') ]); const constraints = constraintData.constraints; const conflictList = constraintData.overrides; const kindLabels = { must: 'Must', prefer: 'Prefer', prefer_not: 'Prefer Not', must_not: 'Must Not' }; const kindVariant = { must: 'success', prefer: 'brand', prefer_not: 'warning', must_not: 'danger' }; const kindColor = { must: 'var(--wa-color-success-50)', prefer: 'var(--wa-color-brand-50)', prefer_not: 'var(--wa-color-warning-50)', must_not: 'var(--wa-color-danger-50)' }; const kindOrder = { must: 0, prefer: 1, prefer_not: 2, must_not: 3 }; const isPositive = kind => kind === 'must' || kind === 'prefer'; const capitalize = s => s.charAt(0).toUpperCase() + s.slice(1); const conflictMap = {}; for (const c of constraints) { if (c.override) conflictMap[c.id] = c.override; } const kindSpan = (kind) => { const span = document.createElement('span'); span.textContent = kindLabels[kind]; span.style.color = kindColor[kind]; span.style.fontWeight = 'bold'; return span; }; const allOveralls = {}; for (const s of students) allOveralls[s.id] = {}; for (const o of constraintData.overalls) { allOveralls[o.student_a_id][o.student_b_id] = o; } lastOveralls = allOveralls; const mismatchList = []; for (const s of students) { for (const [bId, effA] of Object.entries(allOveralls[s.id])) { if (!allOveralls[bId] || !allOveralls[bId][s.id]) continue; const effB = allOveralls[bId][s.id]; if (isPositive(effA.kind) && !isPositive(effB.kind)) { mismatchList.push({ nameA: s.name, nameB: students.find(x => x.id === parseInt(bId)).name, kindA: effA.kind, kindB: effB.kind, }); } } } const studentName = {}; for (const s of students) studentName[s.id] = s.name; const mustAdj = {}; for (const s of students) { for (const [bId, eff] of Object.entries(allOveralls[s.id])) { if (eff.kind === 'must') { const a = s.id, b = parseInt(bId); if (!mustAdj[a]) mustAdj[a] = []; mustAdj[a].push(b); if (!mustAdj[b]) mustAdj[b] = []; mustAdj[b].push(a); } } } const ufParent = {}; for (const s of students) ufParent[s.id] = s.id; const ufFind = (x) => { if (ufParent[x] !== x) ufParent[x] = ufFind(ufParent[x]); return ufParent[x]; }; for (const s of students) { for (const [bId, eff] of Object.entries(allOveralls[s.id])) { if (eff.kind === 'must') { const ra = ufFind(s.id), rb = ufFind(parseInt(bId)); if (ra !== rb) ufParent[ra] = rb; } } } const findMustPath = (from, to) => { if (from === to) return [from]; const visited = new Set([from]); const queue = [[from]]; while (queue.length > 0) { const path = queue.shift(); const curr = path[path.length - 1]; for (const next of (mustAdj[curr] || [])) { if (next === to) return [...path, next]; if (!visited.has(next)) { visited.add(next); queue.push([...path, next]); } } } return null; }; const hardConflictList = []; for (const s of students) { for (const [bId, eff] of Object.entries(allOveralls[s.id])) { if (eff.kind !== 'must_not') continue; const b = parseInt(bId); if (ufFind(s.id) !== ufFind(b)) continue; const path = findMustPath(b, s.id); if (!path) continue; const chain = []; for (let i = 0; i < path.length - 1; i++) { const x = path[i], y = path[i + 1]; if (allOveralls[x]?.[y]?.kind === 'must') { chain.push({ from: studentName[x], to: studentName[y], kind: 'must' }); } else { chain.push({ from: studentName[y], to: studentName[x], kind: 'must' }); } } chain.push({ from: s.name, to: studentName[b], kind: 'must_not' }); hardConflictList.push(chain); } } const mustGroups = {}; for (const s of students) { const root = ufFind(s.id); if (!mustGroups[root]) mustGroups[root] = []; mustGroups[root].push(s.name); } const oversizedGroups = []; for (const members of Object.values(mustGroups)) { if (members.length > trip.room_size) { oversizedGroups.push(members); } } const conflictsEl = document.getElementById('conflicts'); const conflictsWasOpen = conflictsEl.querySelector('wa-details')?.open; conflictsEl.innerHTML = ''; if (conflictList.length > 0) { const det = document.createElement('wa-details'); det.summary = '\u26a0 Overrides (' + conflictList.length + ')'; if (conflictsWasOpen) det.open = true; for (const conflict of conflictList) { const div = document.createElement('div'); div.className = 'conflict-row'; div.appendChild(document.createTextNode(conflict.names + ': ')); conflict.positives.forEach((p, i) => { if (i > 0) div.appendChild(document.createTextNode(', ')); div.appendChild(document.createTextNode(capitalize(p.level) + ' ')); div.appendChild(kindSpan(p.kind)); }); div.appendChild(document.createTextNode(' vs ')); conflict.negatives.forEach((n, i) => { if (i > 0) div.appendChild(document.createTextNode(', ')); div.appendChild(document.createTextNode(capitalize(n.level) + ' ')); div.appendChild(kindSpan(n.kind)); }); det.appendChild(div); } conflictsEl.appendChild(det); } const mismatchesEl = document.getElementById('mismatches'); const mismatchesWasOpen = mismatchesEl.querySelector('wa-details')?.open; mismatchesEl.innerHTML = ''; if (mismatchList.length > 0) { const det = document.createElement('wa-details'); det.summary = '\u26a0 Mismatches (' + mismatchList.length + ')'; if (mismatchesWasOpen) det.open = true; for (const m of mismatchList) { const div = document.createElement('div'); div.className = 'conflict-row'; div.appendChild(document.createTextNode(m.nameA + ' \u2192 ' + m.nameB + ': ')); div.appendChild(kindSpan(m.kindA)); div.appendChild(document.createTextNode(' but ' + m.nameB + ' \u2192 ' + m.nameA + ': ')); div.appendChild(kindSpan(m.kindB)); det.appendChild(div); } mismatchesEl.appendChild(det); } const hardConflictsEl = document.getElementById('hard-conflicts'); const hardConflictsWasOpen = hardConflictsEl.querySelector('wa-details')?.open; hardConflictsEl.innerHTML = ''; const totalConflicts = hardConflictList.length + oversizedGroups.length; if (totalConflicts > 0) { const det = document.createElement('wa-details'); det.summary = '\u26a0 Conflicts (' + totalConflicts + ')'; if (hardConflictsWasOpen) det.open = true; for (const chain of hardConflictList) { const div = document.createElement('div'); div.className = 'conflict-row'; chain.forEach((link, i) => { if (i === chain.length - 1 && chain.length > 1) { div.appendChild(document.createTextNode(', but ')); } else if (i > 0) { div.appendChild(document.createTextNode(', ')); } div.appendChild(document.createTextNode(link.from + ' ')); div.appendChild(kindSpan(link.kind)); div.appendChild(document.createTextNode(' ' + link.to)); }); det.appendChild(div); } for (const members of oversizedGroups) { const div = document.createElement('div'); div.className = 'conflict-row'; div.appendChild(kindSpan('must')); div.appendChild(document.createTextNode(' group too large (' + members.length + ' for room size ' + trip.room_size + '): ' + members.join(', '))); det.appendChild(div); } hardConflictsEl.appendChild(det); } const container = document.getElementById('students'); const openStates = {}; for (const card of container.children) { const sid = card.dataset.studentId; if (!sid) continue; openStates[sid] = {}; for (const det of card.querySelectorAll('wa-details')) openStates[sid][det.summary] = det.open; } container.innerHTML = ''; for (const student of students) { const card = document.createElement('wa-card'); card.dataset.studentId = student.id; const nameRow = document.createElement('div'); nameRow.style.display = 'flex'; nameRow.style.alignItems = 'center'; const label = document.createElement('span'); label.className = 'student-name'; label.style.flex = '1'; label.textContent = student.name + ' (' + student.email + ')'; const deleteBtn = document.createElement('button'); deleteBtn.className = 'close-btn'; deleteBtn.textContent = '\u00d7'; deleteBtn.addEventListener('click', async () => { if (!confirm('Remove student "' + student.name + '"?')) return; await api('DELETE', '/api/trips/' + tripID + '/students/' + student.id); loadStudents(); }); nameRow.appendChild(label); nameRow.appendChild(deleteBtn); card.appendChild(nameRow); const details = document.createElement('wa-details'); details.summary = 'Parents'; const tags = document.createElement('div'); tags.className = 'tags'; for (const parent of student.parents) { const tag = document.createElement('wa-tag'); tag.size = 'small'; tag.variant = 'success'; tag.setAttribute('with-remove', ''); tag.textContent = parent.email; tag.addEventListener('wa-remove', async () => { await api('DELETE', '/api/trips/' + tripID + '/students/' + student.id + '/parents/' + parent.id); loadStudents(); }); tags.appendChild(tag); } details.appendChild(tags); const input = document.createElement('wa-input'); input.placeholder = 'Add parent email'; input.size = 'small'; input.className = 'email'; input.style.marginTop = '0.3rem'; const addBtn = document.createElement('button'); addBtn.slot = 'end'; addBtn.className = 'input-action'; addBtn.textContent = '+'; const doAdd = async () => { const email = (input.value || '').trim(); if (!email) return; await api('POST', '/api/trips/' + tripID + '/students/' + student.id + '/parents', { email }); await loadStudents(); const reCard = container.querySelector('[data-student-id="' + student.id + '"]'); if (reCard) { const det = reCard.querySelector('wa-details'); if (det) det.open = true; const inp = reCard.querySelector('wa-input'); if (inp) inp.focus(); } }; addBtn.addEventListener('click', doAdd); input.addEventListener('keydown', (e) => { if (e.key === 'Enter') doAdd(); }); input.appendChild(addBtn); details.appendChild(input); card.appendChild(details); const cDetails = document.createElement('wa-details'); cDetails.summary = 'Constraints'; const myConstraints = constraints.filter(c => c.student_a_id === student.id); const overall = Object.values(allOveralls[student.id] || {}); if (overall.length > 0) { overall.sort((a, b) => { const kd = kindOrder[a.kind] - kindOrder[b.kind]; if (kd !== 0) return kd; return a.student_b_name.localeCompare(b.student_b_name); }); const group = document.createElement('div'); group.className = 'constraint-group'; const levelLabel = document.createElement('span'); levelLabel.className = 'constraint-level'; levelLabel.textContent = 'Overall'; group.appendChild(levelLabel); for (const c of overall) { const tag = document.createElement('wa-tag'); tag.size = 'small'; tag.variant = kindVariant[c.kind]; tag.textContent = kindLabels[c.kind] + ': ' + c.student_b_name; tag.title = 'From ' + capitalize(c.level); group.appendChild(tag); } cDetails.appendChild(group); } for (const level of ['admin', 'parent', 'student']) { const lc = myConstraints.filter(c => c.level === level); if (lc.length === 0) continue; lc.sort((a, b) => { const kd = kindOrder[a.kind] - kindOrder[b.kind]; if (kd !== 0) return kd; return a.student_b_name.localeCompare(b.student_b_name); }); const group = document.createElement('div'); group.className = 'constraint-group'; const levelLabel = document.createElement('span'); levelLabel.className = 'constraint-level'; levelLabel.textContent = level.charAt(0).toUpperCase() + level.slice(1); group.appendChild(levelLabel); for (const c of lc) { const otherName = c.student_b_name; const tag = document.createElement('wa-tag'); tag.size = 'small'; tag.variant = kindVariant[c.kind]; tag.setAttribute('with-remove', ''); tag.addEventListener('wa-remove', async () => { await api('DELETE', '/api/trips/' + tripID + '/constraints/' + c.id); loadStudents(); }); if (conflictMap[c.id]) { const icon = document.createElement('span'); icon.className = 'conflict-icon'; icon.textContent = '\u26a0 '; tag.appendChild(icon); tag.appendChild(document.createTextNode(kindLabels[c.kind] + ': ' + otherName)); tag.title = 'Overrides: ' + conflictMap[c.id]; } else { tag.textContent = kindLabels[c.kind] + ': ' + otherName; } group.appendChild(tag); } cDetails.appendChild(group); } const addRow = document.createElement('div'); addRow.className = 'constraint-add'; const levelKinds = { student: ['prefer', 'prefer_not'], parent: ['must_not'], admin: ['must', 'prefer', 'prefer_not', 'must_not'] }; const levelSelect = document.createElement('wa-select'); levelSelect.size = 'small'; for (const level of ['student', 'parent', 'admin']) { const opt = document.createElement('wa-option'); opt.value = level; opt.textContent = capitalize(level); levelSelect.appendChild(opt); } levelSelect.value = 'student'; const kindSelect = document.createElement('wa-select'); kindSelect.size = 'small'; const updateKinds = async (level) => { kindSelect.innerHTML = ''; for (const kind of levelKinds[level]) { const opt = document.createElement('wa-option'); opt.value = kind; opt.textContent = kindLabels[kind]; kindSelect.appendChild(opt); } await kindSelect.updateComplete; kindSelect.value = levelKinds[level][0]; }; updateKinds('student'); levelSelect.addEventListener('change', (e) => { updateKinds(e.target.value); }); const studentSelect = document.createElement('wa-select'); studentSelect.size = 'small'; studentSelect.placeholder = 'Student\u2026'; for (const other of students) { if (other.id === student.id) continue; const opt = document.createElement('wa-option'); opt.value = other.id; opt.textContent = other.name; studentSelect.appendChild(opt); } const cAddBtn = document.createElement('wa-button'); cAddBtn.size = 'small'; cAddBtn.textContent = '+'; cAddBtn.addEventListener('click', async () => { const otherID = parseInt(studentSelect.value); if (!otherID) return; const savedLevel = levelSelect.value; const savedKind = kindSelect.value; await api('POST', '/api/trips/' + tripID + '/constraints', { student_a_id: student.id, student_b_id: otherID, kind: savedKind, level: savedLevel }); await loadStudents(); const card = document.querySelector('[data-student-id="' + student.id + '"]'); if (card) { const selects = card.querySelectorAll('.constraint-add wa-select'); if (selects[0]) { await selects[0].updateComplete; selects[0].value = savedLevel; } if (selects[1]) { selects[1].innerHTML = ''; const kinds = levelKinds[savedLevel]; for (const kind of kinds) { const opt = document.createElement('wa-option'); opt.value = kind; opt.textContent = kindLabels[kind]; selects[1].appendChild(opt); } await selects[1].updateComplete; selects[1].value = savedKind; } } }); addRow.appendChild(levelSelect); addRow.appendChild(kindSelect); addRow.appendChild(studentSelect); addRow.appendChild(cAddBtn); cDetails.appendChild(addRow); card.appendChild(cDetails); const saved = openStates[student.id]; if (saved) for (const det of card.querySelectorAll('wa-details')) if (saved[det.summary]) det.open = true; container.appendChild(card); } } async function addStudent() { const nameInput = document.getElementById('new-student-name'); const emailInput = document.getElementById('new-student-email'); const name = nameInput.value.trim(); const email = emailInput.value.trim(); if (!name || !email) return; await api('POST', '/api/trips/' + tripID + '/students', { name, email }); nameInput.value = ''; emailInput.value = ''; loadStudents(); } document.getElementById('add-student-btn').addEventListener('click', addStudent); document.getElementById('solve-btn').addEventListener('click', async () => { const btn = document.getElementById('solve-btn'); btn.loading = true; try { const result = await api('POST', '/api/trips/' + tripID + '/solve'); const container = document.getElementById('solver-results'); container.innerHTML = ''; for (let i = 0; i < result.rooms.length; i++) { const card = document.createElement('wa-card'); card.className = 'room-card'; const label = document.createElement('div'); label.className = 'room-label'; label.textContent = 'Room ' + (i + 1); card.appendChild(label); const tags = document.createElement('div'); tags.className = 'tags'; const roomIDs = result.rooms[i].map(m => m.id); const violations = []; for (const a of result.rooms[i]) { for (const b of result.rooms[i]) { if (a.id === b.id) continue; const eff = lastOveralls[a.id]?.[b.id]; if (eff && eff.kind === 'prefer_not') { violations.push({ from: a.name, to: b.name }); } } } for (const member of result.rooms[i]) { const tag = document.createElement('wa-tag'); tag.size = 'small'; tag.style.cursor = 'pointer'; const hasViolation = violations.some(v => v.from === member.name || v.to === member.name); const hasPrefers = Object.values(lastOveralls[member.id] || {}).some(e => e.kind === 'prefer'); const gotPrefer = hasPrefers && roomIDs.some(rid => rid !== member.id && lastOveralls[member.id]?.[rid]?.kind === 'prefer'); if (hasViolation) tag.variant = 'danger'; else if (hasPrefers && !gotPrefer) tag.variant = 'warning'; tag.textContent = member.name; tag.addEventListener('click', () => { const card = document.querySelector('[data-student-id="' + member.id + '"]'); if (!card) return; const cDet = [...card.querySelectorAll('wa-details')].find(d => d.summary === 'Constraints'); if (cDet) cDet.open = true; card.scrollIntoView({ behavior: 'smooth', block: 'center' }); }); tags.appendChild(tag); } if (violations.length > 0) { const warn = document.createElement('div'); warn.style.fontSize = '0.75rem'; warn.style.color = 'var(--wa-color-warning-50)'; warn.textContent = violations.map(v => v.from + ' \u2192 ' + v.to).join(', '); card.appendChild(tags); card.appendChild(warn); } else { card.appendChild(tags); } container.appendChild(card); } const scoreDiv = document.createElement('div'); scoreDiv.className = 'solver-score'; scoreDiv.textContent = 'Score: ' + result.score; container.appendChild(scoreDiv); } catch (e) { const container = document.getElementById('solver-results'); container.textContent = e.message || 'Solver failed'; } finally { btn.loading = false; } }); document.getElementById('new-student-name').addEventListener('keydown', (e) => { if (e.key === 'Enter') addStudent(); }); document.getElementById('new-student-email').addEventListener('keydown', (e) => { if (e.key === 'Enter') addStudent(); }); await loadStudents(); await customElements.whenDefined('wa-button'); document.body.style.opacity = 1; if (DOMAIN) { document.getElementById('new-student-name').addEventListener('blur', () => { const emailInput = document.getElementById('new-student-email'); if ((emailInput.value || '').trim()) return; const name = (document.getElementById('new-student-name').value || '').trim(); const parts = name.toLowerCase().split(/\s+/); if (parts.length >= 2) emailInput.value = parts.join('.') + '@' + DOMAIN; }); } })(); } async function renderMemberView(me) { const [students, constraintData] = await Promise.all([ api('GET', '/api/trips/' + tripID + '/students'), api('GET', '/api/trips/' + tripID + '/constraints') ]); const constraints = constraintData.constraints; const myStudentIDs = new Set(me.students.map(s => s.id)); const container = document.getElementById('member-students'); const kindLabels = me.role === 'student' ? { '': 'OK to room with', prefer: 'Would like to room with', prefer_not: 'Would prefer not to room with' } : { '': 'OK to room with', must_not: 'Not OK to room with' }; const kindOptions = me.role === 'student' ? ['', 'prefer', 'prefer_not'] : ['', 'must_not']; const pendingSelects = []; for (const myStudent of me.students) { const card = document.createElement('wa-card'); const label = document.createElement('span'); label.className = 'student-name'; label.textContent = myStudent.name; card.appendChild(label); const myConstraints = {}; for (const c of constraints) { if (c.student_a_id === myStudent.id) { myConstraints[c.student_b_id] = c; } } for (const other of students) { if (myStudentIDs.has(other.id)) continue; const row = document.createElement('div'); row.className = 'pref-row'; const name = document.createElement('span'); name.className = 'pref-name'; name.textContent = other.name; row.appendChild(name); const select = document.createElement('wa-select'); select.size = 'small'; for (const kind of kindOptions) { const opt = document.createElement('wa-option'); opt.value = kind; opt.textContent = kindLabels[kind]; select.appendChild(opt); } const existing = myConstraints[other.id]; pendingSelects.push({ select, value: existing ? existing.kind : '' }); select.addEventListener('change', async (e) => { const val = e.target.value; if (val === '') { const c = myConstraints[other.id]; if (c) { await api('DELETE', '/api/trips/' + tripID + '/constraints/' + c.id); delete myConstraints[other.id]; } } else { const result = await api('POST', '/api/trips/' + tripID + '/constraints', { student_a_id: myStudent.id, student_b_id: other.id, kind: val, level: me.role }); myConstraints[other.id] = { id: result.id, kind: val, student_a_id: myStudent.id, student_b_id: other.id }; } }); row.appendChild(select); card.appendChild(row); } container.appendChild(card); } await customElements.whenDefined('wa-select'); for (const { select, value } of pendingSelects) { await select.updateComplete; select.value = value; } }