Files
heliosian/web/directory/static/app.js
T

105 lines
2.6 KiB
JavaScript

const state = {model: null};
function hue(text) {
let h = 0;
for (const c of text) {
h = (h * 31 + c.codePointAt(0)) % 360;
}
return h;
}
function el(tag, className, text) {
const node = document.createElement(tag);
if (className) {
node.className = className;
}
if (text) {
node.textContent = text;
}
return node;
}
function initials(name) {
const words = name.trim().split(/\s+/);
if (words.length === 0 || !words[0]) {
return '?';
}
const first = words[0][0];
return words.length > 1 ? first + words[words.length - 1][0] : first;
}
function roles(p) {
return [p.isStudent && 'Student', p.isParent && 'Parent', p.isStaff && 'Staff'].filter(Boolean);
}
function card(p, family) {
const root = el('div', 'card');
if (p.photoUrl) {
const img = el('img', 'avatar');
img.src = p.photoUrl;
img.loading = 'lazy';
root.append(img);
} else {
const avatar = el('div', 'avatar', initials(p.fullName));
avatar.style.background = `hsl(${hue(p.fullName)} 60% 45%)`;
root.append(avatar);
}
const info = el('div');
info.append(el('div', 'name', p.fullName));
if (p.pronouns) {
info.append(el('div', 'pronouns', p.pronouns));
}
const who = [roles(p).join(' / ')];
if (p.grade) {
who.push([p.grade, p.classroom, p.section].filter(Boolean).join(' ▶ '));
}
if (p.jobTitle) {
who.push(p.jobTitle);
}
info.append(el('div', 'detail', who.join(' · ')));
if (family && family.name) {
info.append(el('div', 'detail', family.name));
}
if (family && family.address) {
info.append(el('div', 'detail', family.address));
}
const contact = [p.phone, p.email].filter(Boolean).join(' · ');
if (contact) {
info.append(el('div', 'detail', contact));
}
root.append(info);
return root;
}
function render() {
const q = document.querySelector('#search').value.trim().toLowerCase();
const list = document.querySelector('#people');
list.replaceChildren();
if (!state.model) {
return;
}
const matches = state.model.people.filter(p => {
const family = state.model.families[p.familyKey];
return `${p.fullName} ${family ? family.name : ''}`.toLowerCase().includes(q);
});
if (matches.length === 0) {
list.append(el('div', 'empty', 'No matches.'));
return;
}
for (const p of matches) {
list.append(card(p, state.model.families[p.familyKey]));
}
}
async function load() {
const res = await fetch('/directory/api/model');
if (!res.ok) {
throw new Error(`loading model failed: ${res.status}`);
}
state.model = await res.json();
render();
}
document.querySelector('#search').addEventListener('input', render);
load();