Update public/scripts/trends.js

This commit is contained in:
JoshBaneyCS 2025-04-30 04:14:38 +00:00
parent 9e169cd742
commit 67e036df63

View File

@ -1,6 +1,6 @@
// public/scripts/trends.js
// ─── Timeframes ──────────────────────────────────────────────────────────────
// --- Timeframe options ---
const tfConfig = [
{ unit:'hours', count:24, label:'Last 24 Hours' },
{ unit:'days', count:7, label:'Last 7 Days' },
@ -9,18 +9,14 @@ const tfConfig = [
{ unit:'years', count:1, label:'All Time' }
];
// ─── Helpers ─────────────────────────────────────────────────────────────────
function formatESTTimestamp(ts) {
// ts is "YYYY-MM-DD HH:mm:ss" or ISO → we assume you converted to "M/D/YY @HH:mm"
return ts; // adjust if you need to parse differently
}
function parseLocalDate(ts) {
// if you have epoch_ms, convert: return new Date(epoch_ms)
return new Date(ts.replace(' ', 'T'));
}
// --- State ---
let readings = [];
let chart;
// --- Helpers ---
function subtract(date, count, unit) {
const d = new Date(date);
switch(unit){
switch(unit) {
case 'hours': d.setHours(d.getHours() - count); break;
case 'days': d.setDate(d.getDate() - count); break;
case 'weeks': d.setDate(d.getDate() - 7*count); break;
@ -30,37 +26,36 @@ function subtract(date, count, unit) {
return d;
}
// ─── State & Chart Ref ───────────────────────────────────────────────────────
let readings = [];
let chart;
// ─── Initialize ───────────────────────────────────────────────────────────────
// --- Load & initialize ---
document.addEventListener('DOMContentLoaded', async () => {
await loadReadings();
setupUI();
initChart();
updateView();
});
// ─── Load data ────────────────────────────────────────────────────────────────
async function loadReadings() {
const data = await fetch('/api/readings').then(r=>r.json());
console.log('📡 Loading readings from /api/readings…');
try {
const data = await fetch('/api/readings').then(r => r.json());
console.log('✅ Received readings:', data);
readings = data.map(r => ({
stationDockDoor: r.stationDockDoor,
location: r.location,
temperature: r.temperature,
humidity: r.humidity,
heatIndex: r.heatIndex,
dateObj: new Date(r.epoch_ms),
formattedTs: new Date(r.epoch_ms).toLocaleString('en-US', {
timeZone:'America/New_York',
month:'numeric', day:'numeric', year:'2-digit',
hour12: false, hour:'2-digit', minute:'2-digit'
}).replace(',',' @'),
dateObj: new Date(r.epoch_ms)
hour:'2-digit', minute:'2-digit', hour12:false
}).replace(',',' @')
}));
}
console.log('✔ Parsed readings:', readings);
// ─── UI Wiring ────────────────────────────────────────────────────────────────
setupUI();
initChart();
updateView();
} catch (err) {
console.error('❌ Failed to load readings:', err);
}
});
// --- UI wiring ---
function setupUI() {
// Slider
const slider = document.getElementById('timeframe-slider');
@ -71,14 +66,14 @@ function setupUI() {
});
label.textContent = tfConfig[slider.value].label;
// Metric checkboxes
// Metrics toggles
document.getElementsByName('metric').forEach(cb => {
cb.addEventListener('change', updateView);
});
// Table sorting
document.querySelectorAll('#trends-table thead th.sortable').forEach(th=>{
th.addEventListener('click', ()=>{
document.querySelectorAll('#trends-table thead th.sortable').forEach(th => {
th.addEventListener('click', () => {
const idx = th.cellIndex;
const asc = !th.classList.contains('asc');
const tbody = document.getElementById('trends-table-body');
@ -87,70 +82,83 @@ function setupUI() {
? a.cells[idx].textContent.localeCompare(b.cells[idx].textContent, undefined, {numeric:true})
: b.cells[idx].textContent.localeCompare(a.cells[idx].textContent, undefined, {numeric:true})
)
.forEach(r=>tbody.appendChild(r));
.forEach(r => tbody.appendChild(r));
th.classList.toggle('asc', asc);
});
});
}
// ─── Chart.js Initialization ──────────────────────────────────────────────────
// --- Chart.js init ---
function initChart() {
if (typeof Chart === 'undefined') {
console.error('❌ Chart.js not loaded!');
return;
}
console.log('📊 Initializing Chart.js');
const ctx = document.getElementById('trend-chart').getContext('2d');
chart = new Chart(ctx, {
type: 'line',
data: { labels: [], datasets: [] },
options: {
scales: {
x: { title: { display:true, text:'Time (EST)' } },
y: { title: { display:true, text:'Value' } }
x: { title:{ display:true, text:'Time (EST)' } },
y: { title:{ display:true, text:'Value' } }
},
interaction: { mode:'index', intersect:false },
plugins: { legend:{ position:'top' } },
maintainAspectRatio: false
maintainAspectRatio:false
}
});
}
// ─── Update chart & table ────────────────────────────────────────────────────
// --- Render chart & table ---
function updateView() {
const idx = +document.getElementById('timeframe-slider').value;
const {unit,count} = tfConfig[idx];
const cutoff = subtract(new Date(), count, unit);
if (!chart) return;
console.log('🔄 updateView called');
// Filter
// Timeframe cutoff
const idx = +document.getElementById('timeframe-slider').value;
const { unit, count } = tfConfig[idx];
const cutoff = subtract(new Date(), count, unit);
console.log(` Showing data since ${cutoff.toISOString()}`);
// Filter readings
const filtered = readings.filter(r => r.dateObj >= cutoff);
console.log(` ${filtered.length}/${readings.length} points after filtering`);
// Metrics selected
const selected = Array.from(document.getElementsByName('metric'))
.filter(cb=>cb.checked).map(cb=>cb.value);
.filter(cb => cb.checked).map(cb => cb.value);
console.log(' Metrics selected:', selected);
// Chart data
chart.data.labels = filtered.map(r=>r.formattedTs);
// Update chart
chart.data.labels = filtered.map(r => r.formattedTs);
chart.data.datasets = [];
if (selected.includes('temperature')) {
chart.data.datasets.push({
label: 'Temperature (°F)',
data: filtered.map(r=>r.temperature),
label:'Temperature (°F)',
data: filtered.map(r => r.temperature),
tension: 0.3
});
}
if (selected.includes('humidity')) {
chart.data.datasets.push({
label: 'Humidity (%)',
data: filtered.map(r=>r.humidity),
label:'Humidity (%)',
data: filtered.map(r => r.humidity),
tension: 0.3
});
}
if (selected.includes('heatIndex')) {
chart.data.datasets.push({
label: 'Heat Index (°F)',
data: filtered.map(r=>r.heatIndex),
label:'Heat Index (°F)',
data: filtered.map(r => r.heatIndex),
tension: 0.3
});
}
console.log(' Chart update:', chart.data);
chart.update();
// Table
// Update table
const tbody = document.getElementById('trends-table-body');
tbody.innerHTML = '';
filtered.forEach(r => {
@ -165,4 +173,5 @@ function updateView() {
`;
tbody.appendChild(tr);
});
console.log(' Table populated with', filtered.length, 'rows');
}