frontend test

This commit is contained in:
2026-02-07 23:20:38 +01:00
commit abb2c9838e
3 changed files with 827 additions and 0 deletions

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app.js Normal file
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const BASE_URL = "http://localhost:8080";
const ACTION_WRITE = "write";
const state = {
token: localStorage.getItem("lambdaiot.token") || "",
devices: [],
sensors: [],
actors: [],
selectedDeviceId: null,
readingsLimit: 50,
};
const elements = {
authStatus: document.getElementById("authStatus"),
authMessage: document.getElementById("authMessage"),
loginForm: document.getElementById("loginForm"),
logoutButton: document.getElementById("logoutButton"),
deviceList: document.getElementById("deviceList"),
deviceMeta: document.getElementById("deviceMeta"),
sensorList: document.getElementById("sensorList"),
actorList: document.getElementById("actorList"),
sensorNote: document.getElementById("sensorNote"),
actorNote: document.getElementById("actorNote"),
refreshDevices: document.getElementById("refreshDevices"),
};
const templates = {
sensorCard: document.getElementById("sensorCardTemplate"),
actorCard: document.getElementById("actorCardTemplate"),
readingRow: document.getElementById("readingRowTemplate"),
};
function setAuthStatus(message) {
elements.authStatus.textContent = message;
}
function setAuthMessage(message, isError = false) {
elements.authMessage.textContent = message;
elements.authMessage.style.color = isError ? "#b0412e" : "var(--muted)";
}
function updateAuthUI() {
if (state.token) {
setAuthStatus("Signed in");
setAuthMessage("Token stored locally.");
} else {
setAuthStatus("Not signed in");
setAuthMessage("Login required for sensors, actors, and readings.");
}
}
async function apiFetch(path, options = {}, authRequired = true) {
const headers = new Headers(options.headers || {});
if (authRequired) {
if (!state.token) {
throw new Error("Missing JWT token.");
}
headers.set("Authorization", `Bearer ${state.token}`);
}
if (options.body && !headers.has("Content-Type")) {
headers.set("Content-Type", "application/json");
}
const response = await fetch(`${BASE_URL}${path}`, {
...options,
headers,
});
if (!response.ok) {
const text = await response.text();
throw new Error(text || `Request failed with status ${response.status}`);
}
if (response.status === 204) {
return null;
}
return response.json();
}
async function loadDevices() {
elements.deviceList.innerHTML = "";
state.devices = [];
try {
const data = await apiFetch("/devices", {}, false);
state.devices = Array.isArray(data) ? data : [];
renderDeviceList();
} catch (error) {
elements.deviceList.innerHTML = `<li>Failed to load devices: ${error.message}</li>`;
}
}
function renderDeviceList() {
elements.deviceList.innerHTML = "";
if (state.devices.length === 0) {
elements.deviceList.innerHTML = "<li>No devices found.</li>";
return;
}
state.devices.forEach((device) => {
const item = document.createElement("li");
item.classList.toggle("active", device.id === state.selectedDeviceId);
item.innerHTML = `
<div class="device-name">${device.name}</div>
<div class="device-location">${device.location || "No location"}</div>
`;
item.addEventListener("click", () => selectDevice(device));
elements.deviceList.appendChild(item);
});
}
function selectDevice(device) {
state.selectedDeviceId = device.id;
renderDeviceList();
elements.deviceMeta.textContent = `${device.name}${device.description || "No description"}`;
loadDeviceDetails(device.id);
}
async function loadDeviceDetails(deviceId) {
elements.sensorList.innerHTML = "";
elements.actorList.innerHTML = "";
elements.sensorNote.textContent = "Loading sensors...";
elements.actorNote.textContent = "Loading actors...";
if (!state.token) {
elements.sensorNote.textContent = "Login required to view sensors.";
elements.actorNote.textContent = "Login required to view actors.";
return;
}
try {
const [sensors, actors] = await Promise.all([
apiFetch("/sensors"),
apiFetch("/actors"),
]);
state.sensors = (sensors || []).filter((sensor) => sensor.device_id === deviceId);
state.actors = (actors || []).filter((actor) => actor.device_id === deviceId);
await renderSensors();
renderActors();
} catch (error) {
elements.sensorNote.textContent = `Failed to load sensors: ${error.message}`;
elements.actorNote.textContent = `Failed to load actors: ${error.message}`;
}
}
async function renderSensors() {
elements.sensorList.innerHTML = "";
if (state.sensors.length === 0) {
elements.sensorNote.textContent = "No sensors for this device.";
return;
}
elements.sensorNote.textContent = `${state.sensors.length} sensor(s)`;
const readingsPromises = state.sensors.map(async (sensor) => {
try {
const readings = await apiFetch(
`/sensor-readings?sensor_id=${sensor.id}&limit=${state.readingsLimit}&page=0`
);
return { sensorId: sensor.id, readings: readings || [] };
} catch (error) {
return { sensorId: sensor.id, readings: [], error: error.message };
}
});
const readingsResults = await Promise.all(readingsPromises);
const readingsMap = new Map(readingsResults.map((entry) => [entry.sensorId, entry]));
state.sensors.forEach((sensor) => {
const card = templates.sensorCard.content.cloneNode(true);
const title = card.querySelector(".card-title");
const subtitle = card.querySelector(".card-subtitle");
const pill = card.querySelector(".pill");
const list = card.querySelector(".readings-list");
title.textContent = sensor.name;
subtitle.textContent = `${sensor.type}${sensor.id}`;
pill.textContent = sensor.data_type_id === 1 ? "bool" : "float";
const readingsEntry = readingsMap.get(sensor.id);
if (!readingsEntry || readingsEntry.readings.length === 0) {
list.textContent = readingsEntry?.error
? `Error: ${readingsEntry.error}`
: "No readings yet.";
} else {
readingsEntry.readings.forEach((reading) => {
const row = templates.readingRow.content.cloneNode(true);
row.querySelector(".reading-value").textContent = reading.value;
row.querySelector(".reading-time").textContent = new Date(
reading.value_at
).toLocaleString();
list.appendChild(row);
});
}
elements.sensorList.appendChild(card);
});
}
function renderActors() {
elements.actorList.innerHTML = "";
if (state.actors.length === 0) {
elements.actorNote.textContent = "No actors for this device.";
return;
}
elements.actorNote.textContent = `${state.actors.length} actor(s)`;
state.actors.forEach((actor) => {
const card = templates.actorCard.content.cloneNode(true);
const cardRoot = card.querySelector(".card");
const title = card.querySelector(".card-title");
const subtitle = card.querySelector(".card-subtitle");
const pill = card.querySelector(".pill");
const body = card.querySelector(".card-body");
if (cardRoot) {
cardRoot.dataset.actorId = actor.id;
}
title.textContent = actor.name;
subtitle.textContent = `${actor.type}${actor.id}`;
pill.textContent = actor.data_type_id === 1 ? "bool" : "float";
const controls = document.createElement("div");
controls.className = "actor-controls";
if (actor.data_type_id === 1) {
const onButton = document.createElement("button");
onButton.textContent = "On";
onButton.addEventListener("click", () => writeActor(actor, 1));
const offButton = document.createElement("button");
offButton.className = "secondary";
offButton.textContent = "Off";
offButton.addEventListener("click", () => writeActor(actor, 0));
controls.appendChild(onButton);
controls.appendChild(offButton);
} else {
const input = document.createElement("input");
input.type = "number";
input.step = "any";
input.placeholder = "Value";
const setButton = document.createElement("button");
setButton.textContent = "Set";
setButton.addEventListener("click", () => {
const value = Number(input.value);
if (Number.isNaN(value)) {
showActorResponse(body, "Enter a numeric value.", true);
return;
}
writeActor(actor, value);
});
controls.appendChild(input);
controls.appendChild(setButton);
}
body.appendChild(controls);
const response = document.createElement("div");
response.className = "actor-response";
body.appendChild(response);
elements.actorList.appendChild(card);
});
}
function showActorResponse(container, message, isError = false) {
if (!container) return;
const response = container.querySelector(".actor-response");
if (!response) return;
response.textContent = message;
response.style.color = isError ? "#b0412e" : "var(--muted)";
}
async function writeActor(actor, value) {
try {
const payload = { action: ACTION_WRITE, value };
await apiFetch(`/actors/${actor.id}/write`, {
method: "POST",
body: JSON.stringify(payload),
});
const card = findActorCard(actor.id);
showActorResponse(card, "Command published.");
} catch (error) {
const card = findActorCard(actor.id);
showActorResponse(card, `Error: ${error.message}`, true);
}
}
function findActorCard(actorId) {
const cards = Array.from(elements.actorList.querySelectorAll(".card"));
return cards.find((card) => card.dataset.actorId === actorId);
}
async function handleLogin(event) {
event.preventDefault();
const username = document.getElementById("username").value.trim();
const password = document.getElementById("password").value.trim();
if (!username || !password) {
setAuthMessage("Enter both username and password.", true);
return;
}
try {
const result = await apiFetch(
"/login",
{
method: "POST",
body: JSON.stringify({ username, password }),
},
false
);
state.token = result.token || "";
localStorage.setItem("lambdaiot.token", state.token);
updateAuthUI();
setAuthMessage("Login successful.");
if (state.selectedDeviceId) {
loadDeviceDetails(state.selectedDeviceId);
}
} catch (error) {
setAuthMessage(`Login failed: ${error.message}`, true);
}
}
function handleLogout() {
state.token = "";
localStorage.removeItem("lambdaiot.token");
updateAuthUI();
setAuthMessage("Logged out.");
elements.sensorList.innerHTML = "";
elements.actorList.innerHTML = "";
elements.sensorNote.textContent = "Login required to view sensors.";
elements.actorNote.textContent = "Login required to view actors.";
}
elements.loginForm.addEventListener("submit", handleLogin);
elements.logoutButton.addEventListener("click", handleLogout);
elements.refreshDevices.addEventListener("click", loadDevices);
updateAuthUI();
loadDevices();

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index.html Normal file
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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Lambda IoT Web Client</title>
<link rel="stylesheet" href="styles.css" />
</head>
<body>
<div class="page">
<header class="top-bar">
<div class="brand">
<div class="brand-mark">λ</div>
<div>
<div class="brand-title">Lambda IoT</div>
<div class="brand-subtitle">Device Control Console</div>
</div>
</div>
<div class="status" id="authStatus">Not signed in</div>
</header>
<main class="layout">
<aside class="panel devices-panel">
<div class="panel-header">
<h2>Devices</h2>
<button class="ghost" id="refreshDevices" type="button">Refresh</button>
</div>
<div class="panel-body">
<ul class="device-list" id="deviceList"></ul>
</div>
</aside>
<section class="panel details-panel">
<div class="panel-header">
<h2>Device Details</h2>
<div class="device-meta" id="deviceMeta">Select a device</div>
</div>
<div class="panel-body">
<section class="auth-block">
<div class="auth-title">Sign in for protected endpoints</div>
<form class="auth-form" id="loginForm">
<input
id="username"
type="text"
placeholder="Username"
autocomplete="username"
required
/>
<input
id="password"
type="password"
placeholder="Password"
autocomplete="current-password"
required
/>
<button type="submit">Login</button>
<button class="ghost" type="button" id="logoutButton">Logout</button>
</form>
<div class="auth-message" id="authMessage"></div>
</section>
<section class="detail-section">
<div class="section-header">
<h3>Sensors</h3>
<div class="section-note" id="sensorNote">No device selected.</div>
</div>
<div id="sensorList" class="stack"></div>
</section>
<section class="detail-section">
<div class="section-header">
<h3>Actors</h3>
<div class="section-note" id="actorNote">No device selected.</div>
</div>
<div id="actorList" class="stack"></div>
</section>
</div>
</section>
</main>
</div>
<template id="sensorCardTemplate">
<article class="card">
<div class="card-header">
<div>
<div class="card-title"></div>
<div class="card-subtitle"></div>
</div>
<div class="pill"></div>
</div>
<div class="card-body">
<div class="readings-header">Recent readings</div>
<div class="readings-list"></div>
</div>
</article>
</template>
<template id="actorCardTemplate">
<article class="card">
<div class="card-header">
<div>
<div class="card-title"></div>
<div class="card-subtitle"></div>
</div>
<div class="pill"></div>
</div>
<div class="card-body"></div>
</article>
</template>
<template id="readingRowTemplate">
<div class="reading-row">
<div class="reading-value"></div>
<div class="reading-time"></div>
</div>
</template>
<script src="app.js"></script>
</body>
</html>

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@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;600;700&family=IBM+Plex+Mono:wght@400;600&display=swap");
:root {
color-scheme: light;
--bg: #f6f4f0;
--panel: #ffffff;
--ink: #1f1b16;
--muted: #5d564f;
--accent: #e4572e;
--accent-2: #1f7a8c;
--accent-3: #f4a261;
--border: rgba(31, 27, 22, 0.12);
--shadow: 0 24px 60px rgba(31, 27, 22, 0.12);
}
* {
box-sizing: border-box;
}
body {
margin: 0;
font-family: "Space Grotesk", "Helvetica Neue", sans-serif;
color: var(--ink);
background: radial-gradient(circle at top, #fff5e6 0%, var(--bg) 45%, #e6f0ee 100%);
min-height: 100vh;
}
.page {
max-width: 1200px;
margin: 0 auto;
padding: 32px 24px 60px;
}
.top-bar {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 24px;
gap: 16px;
}
.brand {
display: flex;
align-items: center;
gap: 16px;
}
.brand-mark {
width: 54px;
height: 54px;
border-radius: 18px;
background: linear-gradient(145deg, var(--accent), var(--accent-3));
display: grid;
place-items: center;
color: #fffaf3;
font-weight: 700;
font-size: 28px;
box-shadow: 0 12px 25px rgba(228, 87, 46, 0.25);
}
.brand-title {
font-size: 24px;
font-weight: 700;
letter-spacing: -0.02em;
}
.brand-subtitle {
color: var(--muted);
font-size: 14px;
}
.status {
padding: 10px 16px;
background: var(--panel);
border-radius: 999px;
border: 1px solid var(--border);
font-size: 13px;
color: var(--muted);
box-shadow: var(--shadow);
}
.layout {
display: grid;
grid-template-columns: 280px 1fr;
gap: 24px;
}
.panel {
background: var(--panel);
border-radius: 24px;
border: 1px solid var(--border);
box-shadow: var(--shadow);
display: flex;
flex-direction: column;
overflow: hidden;
}
.panel-header {
display: flex;
align-items: center;
justify-content: space-between;
padding: 20px 22px;
border-bottom: 1px solid var(--border);
background: linear-gradient(160deg, rgba(244, 162, 97, 0.18), rgba(31, 122, 140, 0.05));
}
.panel-header h2,
.panel-header h3 {
margin: 0;
font-size: 18px;
}
.panel-body {
padding: 20px 22px;
display: flex;
flex-direction: column;
gap: 24px;
}
.devices-panel .panel-body {
padding: 0;
}
.device-list {
list-style: none;
margin: 0;
padding: 12px 0;
display: flex;
flex-direction: column;
gap: 10px;
}
.device-list li {
padding: 12px 18px;
margin: 0 12px;
border-radius: 16px;
border: 1px solid transparent;
cursor: pointer;
transition: all 0.2s ease;
}
.device-list li:hover {
border-color: var(--accent-3);
background: rgba(244, 162, 97, 0.15);
}
.device-list li.active {
border-color: var(--accent);
background: rgba(228, 87, 46, 0.12);
}
.device-name {
font-weight: 600;
margin-bottom: 4px;
}
.device-location {
font-size: 12px;
color: var(--muted);
}
.device-meta {
font-size: 13px;
color: var(--muted);
}
.auth-block {
background: rgba(31, 122, 140, 0.08);
border-radius: 18px;
padding: 16px;
border: 1px solid rgba(31, 122, 140, 0.2);
}
.auth-title {
font-weight: 600;
margin-bottom: 12px;
}
.auth-form {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
gap: 10px;
}
.auth-form input {
padding: 10px 12px;
border-radius: 12px;
border: 1px solid var(--border);
font-family: "IBM Plex Mono", "Courier New", monospace;
font-size: 13px;
}
.auth-form button {
padding: 10px 14px;
border-radius: 12px;
border: none;
background: var(--accent);
color: #fffaf3;
font-weight: 600;
cursor: pointer;
}
.auth-form button.ghost {
background: transparent;
border: 1px solid var(--accent);
color: var(--accent);
}
.auth-message {
margin-top: 10px;
font-size: 12px;
color: var(--muted);
}
.detail-section {
display: flex;
flex-direction: column;
gap: 16px;
}
.section-header {
display: flex;
align-items: center;
justify-content: space-between;
gap: 12px;
}
.section-header h3 {
margin: 0;
font-size: 18px;
}
.section-note {
font-size: 12px;
color: var(--muted);
}
.stack {
display: flex;
flex-direction: column;
gap: 16px;
}
.card {
border-radius: 18px;
border: 1px solid var(--border);
padding: 16px;
background: #fffaf7;
}
.card-header {
display: flex;
align-items: flex-start;
justify-content: space-between;
gap: 12px;
margin-bottom: 12px;
}
.card-title {
font-weight: 600;
font-size: 16px;
}
.card-subtitle {
font-size: 12px;
color: var(--muted);
}
.pill {
padding: 6px 10px;
border-radius: 999px;
background: rgba(31, 122, 140, 0.12);
font-size: 11px;
font-family: "IBM Plex Mono", "Courier New", monospace;
color: var(--accent-2);
}
.readings-header {
font-size: 12px;
text-transform: uppercase;
letter-spacing: 0.08em;
color: var(--muted);
margin-bottom: 10px;
}
.readings-list {
display: flex;
flex-direction: column;
gap: 8px;
}
.reading-row {
display: flex;
justify-content: space-between;
gap: 16px;
font-family: "IBM Plex Mono", "Courier New", monospace;
font-size: 12px;
}
.reading-time {
color: var(--muted);
}
.actor-controls {
display: flex;
flex-wrap: wrap;
gap: 10px;
align-items: center;
}
.actor-controls input {
padding: 8px 12px;
border-radius: 12px;
border: 1px solid var(--border);
font-family: "IBM Plex Mono", "Courier New", monospace;
font-size: 13px;
width: 120px;
}
.actor-controls button {
padding: 8px 12px;
border-radius: 12px;
border: 1px solid transparent;
background: var(--accent-2);
color: #f7fbfb;
cursor: pointer;
font-weight: 600;
}
.actor-controls button.secondary {
background: rgba(31, 122, 140, 0.12);
color: var(--accent-2);
border-color: rgba(31, 122, 140, 0.4);
}
.actor-response {
margin-top: 10px;
font-size: 12px;
color: var(--muted);
}
button.ghost {
padding: 8px 12px;
border-radius: 10px;
border: 1px solid var(--border);
background: transparent;
font-size: 12px;
cursor: pointer;
}
@media (max-width: 960px) {
.layout {
grid-template-columns: 1fr;
}
.devices-panel {
order: 2;
}
}