Landing page with drag-drop uploader and queue monitoring dashboard

This commit is contained in:
Walusimbi Silver
2026-03-17 13:03:05 +03:00
parent 789b431550
commit 1026e7c899
2 changed files with 2041 additions and 0 deletions

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>ImgForge — Image Processing Queue</title>
<style>
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600;700&family=Outfit:wght@300;500;700&display=swap');
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
--bg: #0a0a0c;
--surface: #111115;
--surface-2: #1a1a20;
--border: #2a2a32;
--text: #e8e8ed;
--text-dim: #7a7a88;
--accent: #ff6b35;
--accent-glow: rgba(255, 107, 53, 0.15);
--green: #34d399;
--red: #f87171;
--blue: #60a5fa;
--mono: 'JetBrains Mono', monospace;
--sans: 'Outfit', sans-serif;
}
body {
background: var(--bg);
color: var(--text);
font-family: var(--sans);
min-height: 100vh;
overflow-x: hidden;
}
/* Grain overlay */
body::after {
content: '';
position: fixed;
inset: 0;
background: url('data:image/svg+xml,<svg viewBox="0 0 256 256" xmlns="http://www.w3.org/2000/svg"><filter id="n"><feTurbulence type="fractalNoise" baseFrequency="0.9" numOctaves="4" stitchTiles="stitch"/></filter><rect width="100%" height="100%" filter="url(%23n)" opacity="0.03"/></svg>');
pointer-events: none;
z-index: 9999;
}
.container {
max-width: 760px;
margin: 0 auto;
padding: 60px 24px;
}
/* Header */
.logo {
font-family: var(--mono);
font-size: 14px;
font-weight: 600;
color: var(--accent);
letter-spacing: 3px;
text-transform: uppercase;
margin-bottom: 8px;
}
h1 {
font-size: 42px;
font-weight: 700;
line-height: 1.1;
margin-bottom: 12px;
background: linear-gradient(135deg, var(--text) 0%, var(--text-dim) 100%);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
}
.subtitle {
color: var(--text-dim);
font-size: 16px;
font-weight: 300;
margin-bottom: 48px;
line-height: 1.6;
}
.subtitle code {
font-family: var(--mono);
background: var(--surface-2);
padding: 2px 8px;
border-radius: 4px;
font-size: 13px;
color: var(--accent);
}
/* Drop zone */
.dropzone {
border: 2px dashed var(--border);
border-radius: 12px;
padding: 48px;
text-align: center;
transition: all 0.25s ease;
cursor: pointer;
position: relative;
background: var(--surface);
}
.dropzone.drag-over {
border-color: var(--accent);
background: var(--accent-glow);
}
.dropzone.has-file {
border-color: var(--green);
border-style: solid;
}
.dropzone-icon { font-size: 36px; margin-bottom: 12px; }
.dropzone-text { color: var(--text-dim); font-size: 15px; }
.dropzone-text strong { color: var(--text); }
.file-info {
display: none;
margin-top: 16px;
font-family: var(--mono);
font-size: 13px;
color: var(--green);
}
.dropzone.has-file .file-info { display: block; }
.dropzone.has-file .dropzone-prompt { display: none; }
input[type="file"] { display: none; }
/* Operations */
.ops-section {
margin-top: 32px;
}
.ops-section h3 {
font-family: var(--mono);
font-size: 12px;
text-transform: uppercase;
letter-spacing: 2px;
color: var(--text-dim);
margin-bottom: 16px;
}
.op-grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
gap: 8px;
}
.op-btn {
background: var(--surface);
border: 1px solid var(--border);
border-radius: 8px;
padding: 12px;
color: var(--text);
font-family: var(--mono);
font-size: 12px;
cursor: pointer;
transition: all 0.15s ease;
text-align: left;
}
.op-btn:hover { border-color: var(--accent); background: var(--surface-2); }
.op-btn.selected { border-color: var(--accent); background: var(--accent-glow); color: var(--accent); }
.op-btn .op-icon { font-size: 18px; margin-bottom: 6px; }
.op-btn .op-name { font-weight: 600; }
/* Operation config panels */
.op-configs {
margin-top: 16px;
display: flex;
flex-direction: column;
gap: 8px;
}
.op-config {
background: var(--surface);
border: 1px solid var(--border);
border-radius: 8px;
padding: 16px;
display: flex;
align-items: center;
gap: 12px;
flex-wrap: wrap;
}
.op-config label {
font-family: var(--mono);
font-size: 11px;
text-transform: uppercase;
letter-spacing: 1px;
color: var(--text-dim);
}
.op-config input, .op-config select {
background: var(--surface-2);
border: 1px solid var(--border);
border-radius: 6px;
padding: 8px 12px;
color: var(--text);
font-family: var(--mono);
font-size: 13px;
width: 100px;
}
.op-config input:focus, .op-config select:focus {
outline: none;
border-color: var(--accent);
}
.op-tag {
font-family: var(--mono);
font-size: 12px;
font-weight: 600;
color: var(--accent);
min-width: 80px;
}
.remove-op {
margin-left: auto;
background: none;
border: none;
color: var(--text-dim);
cursor: pointer;
font-size: 18px;
padding: 4px;
}
.remove-op:hover { color: var(--red); }
/* Submit */
.submit-btn {
margin-top: 32px;
width: 100%;
padding: 16px;
border: none;
border-radius: 10px;
background: var(--accent);
color: #fff;
font-family: var(--mono);
font-size: 14px;
font-weight: 700;
letter-spacing: 1px;
text-transform: uppercase;
cursor: pointer;
transition: all 0.2s ease;
}
.submit-btn:hover { filter: brightness(1.1); transform: translateY(-1px); }
.submit-btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }
/* Job result panel */
.job-panel {
display: none;
margin-top: 32px;
background: var(--surface);
border: 1px solid var(--border);
border-radius: 12px;
overflow: hidden;
}
.job-panel.visible { display: block; animation: slideUp 0.3s ease; }
@keyframes slideUp {
from { opacity: 0; transform: translateY(12px); }
to { opacity: 1; transform: translateY(0); }
}
.job-header {
padding: 16px 20px;
border-bottom: 1px solid var(--border);
display: flex;
justify-content: space-between;
align-items: center;
}
.job-id {
font-family: var(--mono);
font-size: 13px;
color: var(--text-dim);
}
.job-status {
font-family: var(--mono);
font-size: 12px;
font-weight: 600;
padding: 4px 12px;
border-radius: 20px;
}
.job-status.queued { background: var(--surface-2); color: var(--text-dim); }
.job-status.active { background: rgba(96, 165, 250, 0.15); color: var(--blue); }
.job-status.completed { background: rgba(52, 211, 153, 0.15); color: var(--green); }
.job-status.failed { background: rgba(248, 113, 113, 0.15); color: var(--red); }
.job-body { padding: 20px; }
/* Progress bar */
.progress-wrap {
height: 6px;
background: var(--surface-2);
border-radius: 3px;
overflow: hidden;
margin-bottom: 12px;
}
.progress-bar {
height: 100%;
background: var(--accent);
border-radius: 3px;
width: 0%;
transition: width 0.3s ease;
}
.progress-bar.done { background: var(--green); }
.stage-text {
font-family: var(--mono);
font-size: 12px;
color: var(--text-dim);
margin-bottom: 16px;
}
/* Result stats */
.result-stats {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 12px;
margin-bottom: 16px;
}
.stat {
background: var(--surface-2);
border-radius: 8px;
padding: 12px;
text-align: center;
}
.stat-value {
font-family: var(--mono);
font-size: 18px;
font-weight: 700;
color: var(--text);
}
.stat-label {
font-size: 11px;
color: var(--text-dim);
text-transform: uppercase;
letter-spacing: 1px;
margin-top: 4px;
}
.download-btn {
display: inline-block;
padding: 12px 24px;
background: var(--green);
color: #000;
font-family: var(--mono);
font-size: 13px;
font-weight: 700;
border-radius: 8px;
text-decoration: none;
text-transform: uppercase;
letter-spacing: 1px;
transition: filter 0.2s;
}
.download-btn:hover { filter: brightness(1.1); }
.error-msg {
font-family: var(--mono);
font-size: 13px;
color: var(--red);
background: rgba(248, 113, 113, 0.1);
padding: 12px;
border-radius: 8px;
}
/* Log */
.job-log {
margin-top: 16px;
max-height: 160px;
overflow-y: auto;
font-family: var(--mono);
font-size: 11px;
color: var(--text-dim);
line-height: 1.8;
}
.job-log .log-entry { opacity: 0.7; }
.job-log .log-entry:last-child { opacity: 1; color: var(--text); }
/* API docs */
.docs {
margin-top: 64px;
padding-top: 32px;
border-top: 1px solid var(--border);
}
.docs h3 {
font-family: var(--mono);
font-size: 12px;
text-transform: uppercase;
letter-spacing: 2px;
color: var(--text-dim);
margin-bottom: 20px;
}
.code-block {
background: var(--surface);
border: 1px solid var(--border);
border-radius: 10px;
padding: 20px;
font-family: var(--mono);
font-size: 12px;
line-height: 1.8;
overflow-x: auto;
white-space: pre;
color: var(--text-dim);
}
.code-block .keyword { color: var(--accent); }
.code-block .string { color: var(--green); }
.code-block .comment { color: #555; }
</style>
</head>
<body>
<div class="container">
<div class="logo">ImgForge</div>
<h1>Process images<br>at queue speed</h1>
<p class="subtitle">
Upload → queue → process → download. Built on
<code>Bull</code> + <code>Sharp</code> + <code>Redis</code>.
Real-time progress via WebSocket.
<a href="/dashboard.html" style="color:var(--accent);font-family:var(--mono);font-size:13px;text-decoration:none;border-bottom:1px solid var(--accent);margin-left:4px">Open Dashboard →</a>
</p>
<!-- Upload -->
<div class="dropzone" id="dropzone">
<div class="dropzone-prompt">
<div class="dropzone-icon">📁</div>
<div class="dropzone-text">
<strong>Drop image here</strong> or click to browse<br>
JPEG, PNG, WebP, AVIF, TIFF, GIF — max 20MB
</div>
</div>
<div class="file-info" id="fileInfo"></div>
<input type="file" id="fileInput" accept="image/*" />
</div>
<!-- Operations -->
<div class="ops-section">
<h3>Operations (click to add, order matters)</h3>
<div class="op-grid">
<button class="op-btn" data-op="resize">
<div class="op-icon">📐</div>
<div class="op-name">Resize</div>
</button>
<button class="op-btn" data-op="convert">
<div class="op-icon">🔄</div>
<div class="op-name">Convert</div>
</button>
<button class="op-btn" data-op="compress">
<div class="op-icon">🗜️</div>
<div class="op-name">Compress</div>
</button>
<button class="op-btn" data-op="watermark">
<div class="op-icon">💧</div>
<div class="op-name">Watermark</div>
</button>
<button class="op-btn" data-op="strip-meta">
<div class="op-icon">🧹</div>
<div class="op-name">Strip Meta</div>
</button>
<button class="op-btn" data-op="blur">
<div class="op-icon">🌫️</div>
<div class="op-name">Blur</div>
</button>
<button class="op-btn" data-op="grayscale">
<div class="op-icon">🖤</div>
<div class="op-name">Grayscale</div>
</button>
<button class="op-btn" data-op="rotate">
<div class="op-icon"></div>
<div class="op-name">Rotate</div>
</button>
</div>
<div class="op-configs" id="opConfigs"></div>
</div>
<!-- Submit -->
<button class="submit-btn" id="submitBtn" disabled>Process Image</button>
<!-- Job result -->
<div class="job-panel" id="jobPanel">
<div class="job-header">
<span class="job-id" id="jobId"></span>
<span class="job-status queued" id="jobStatus">queued</span>
</div>
<div class="job-body">
<div class="progress-wrap"><div class="progress-bar" id="progressBar"></div></div>
<div class="stage-text" id="stageText">Waiting...</div>
<div id="resultArea"></div>
<div class="job-log" id="jobLog"></div>
</div>
</div>
<!-- API docs -->
<div class="docs">
<h3>API Usage</h3>
<div class="code-block"><span class="comment"># Submit a job</span>
<span class="keyword">curl</span> -X POST /api/jobs \
-F <span class="string">"file=@photo.jpg"</span> \
-F <span class="string">'operations=[{"op":"resize","params":{"width":800}},{"op":"convert","params":{"format":"webp"}},{"op":"compress","params":{"quality":75}}]'</span>
<span class="comment"># Poll status</span>
<span class="keyword">curl</span> /api/jobs/:jobId
<span class="comment"># Download result</span>
<span class="keyword">curl</span> -O /api/jobs/:jobId/download
<span class="comment"># List available operations</span>
<span class="keyword">curl</span> /api/operations</div>
</div>
</div>
<script>
const $ = (s) => document.querySelector(s);
const dropzone = $("#dropzone");
const fileInput = $("#fileInput");
const opConfigs = $("#opConfigs");
const submitBtn = $("#submitBtn");
const jobPanel = $("#jobPanel");
let selectedFile = null;
let operations = [];
// --- File handling ---
dropzone.addEventListener("click", () => fileInput.click());
dropzone.addEventListener("dragover", (e) => { e.preventDefault(); dropzone.classList.add("drag-over"); });
dropzone.addEventListener("dragleave", () => dropzone.classList.remove("drag-over"));
dropzone.addEventListener("drop", (e) => {
e.preventDefault();
dropzone.classList.remove("drag-over");
if (e.dataTransfer.files[0]) setFile(e.dataTransfer.files[0]);
});
fileInput.addEventListener("change", () => { if (fileInput.files[0]) setFile(fileInput.files[0]); });
function setFile(file) {
selectedFile = file;
dropzone.classList.add("has-file");
const size = (file.size / 1024).toFixed(1);
$("#fileInfo").textContent = `${file.name} (${size} KB)`;
updateSubmit();
}
// --- Operations ---
const OP_CONFIGS = {
resize: () => `
<span class="op-tag">resize</span>
<label>W <input type="number" data-param="width" placeholder="800" min="1" max="10000"></label>
<label>H <input type="number" data-param="height" placeholder="auto" min="1" max="10000"></label>
<label>Fit <select data-param="fit">
<option value="cover">cover</option>
<option value="contain">contain</option>
<option value="fill">fill</option>
<option value="inside">inside</option>
</select></label>`,
convert: () => `
<span class="op-tag">convert</span>
<label>Format <select data-param="format">
<option value="webp">WebP</option>
<option value="jpeg">JPEG</option>
<option value="png">PNG</option>
<option value="avif">AVIF</option>
</select></label>`,
compress: () => `
<span class="op-tag">compress</span>
<label>Quality <input type="number" data-param="quality" value="75" min="1" max="100"></label>`,
watermark: () => `
<span class="op-tag">watermark</span>
<label>Text <input type="text" data-param="text" placeholder="© ImgForge" style="width:160px"></label>
<label>Size <input type="number" data-param="fontSize" value="48" min="10" max="200" style="width:70px"></label>`,
"strip-meta": () => `<span class="op-tag">strip-meta</span><span style="color:var(--text-dim);font-size:12px">No config needed</span>`,
blur: () => `
<span class="op-tag">blur</span>
<label>Sigma <input type="number" data-param="sigma" value="3" min="0.3" max="100" step="0.1"></label>`,
grayscale: () => `<span class="op-tag">grayscale</span><span style="color:var(--text-dim);font-size:12px">No config needed</span>`,
rotate: () => `
<span class="op-tag">rotate</span>
<label>Angle <input type="number" data-param="angle" value="90" step="90"></label>`,
};
document.querySelectorAll(".op-btn").forEach((btn) => {
btn.addEventListener("click", () => {
const op = btn.dataset.op;
const idx = operations.length;
operations.push({ op, params: {} });
const row = document.createElement("div");
row.className = "op-config";
row.dataset.idx = idx;
row.innerHTML = OP_CONFIGS[op]() + `<button class="remove-op" title="Remove">×</button>`;
row.querySelector(".remove-op").addEventListener("click", () => {
operations[idx] = null;
row.remove();
updateSubmit();
});
opConfigs.appendChild(row);
updateSubmit();
});
});
function gatherOperations() {
return Array.from(opConfigs.querySelectorAll(".op-config"))
.map((row) => {
const idx = parseInt(row.dataset.idx);
const op = operations[idx];
if (!op) return null;
const params = {};
row.querySelectorAll("[data-param]").forEach((input) => {
const val = input.value;
if (val === "") return;
params[input.dataset.param] = isNaN(val) ? val : Number(val);
});
return { op: op.op, params };
})
.filter(Boolean);
}
function updateSubmit() {
const validOps = operations.filter(Boolean);
submitBtn.disabled = !selectedFile || validOps.length === 0;
}
// --- Submit ---
submitBtn.addEventListener("click", async () => {
if (!selectedFile) return;
const ops = gatherOperations();
if (ops.length === 0) return;
submitBtn.disabled = true;
submitBtn.textContent = "Uploading...";
const form = new FormData();
form.append("file", selectedFile);
form.append("operations", JSON.stringify(ops));
try {
const res = await fetch("/api/jobs", { method: "POST", body: form });
const data = await res.json();
if (!res.ok) {
alert(data.error || "Upload failed");
submitBtn.disabled = false;
submitBtn.textContent = "Process Image";
return;
}
// Show job panel and connect WS
showJob(data.jobId);
connectWs(data.jobId);
} catch (err) {
alert("Network error: " + err.message);
}
submitBtn.textContent = "Process Image";
});
// --- Job panel ---
function showJob(id) {
jobPanel.classList.add("visible");
$("#jobId").textContent = `Job #${id}`;
setStatus("queued");
$("#progressBar").style.width = "0%";
$("#progressBar").classList.remove("done");
$("#stageText").textContent = "Waiting in queue...";
$("#resultArea").innerHTML = "";
$("#jobLog").innerHTML = "";
}
function setStatus(status) {
const el = $("#jobStatus");
el.textContent = status;
el.className = "job-status " + status;
}
function addLog(msg) {
const log = $("#jobLog");
const entry = document.createElement("div");
entry.className = "log-entry";
const ts = new Date().toLocaleTimeString();
entry.textContent = `[${ts}] ${msg}`;
log.appendChild(entry);
log.scrollTop = log.scrollHeight;
}
function formatBytes(b) {
if (b < 1024) return b + " B";
if (b < 1048576) return (b / 1024).toFixed(1) + " KB";
return (b / 1048576).toFixed(1) + " MB";
}
// --- WebSocket ---
function connectWs(jobId) {
const proto = location.protocol === "https:" ? "wss:" : "ws:";
const ws = new WebSocket(`${proto}//${location.host}/ws?jobId=${jobId}`);
ws.onmessage = (e) => {
const msg = JSON.parse(e.data);
switch (msg.type) {
case "subscribed":
addLog("Connected to job stream");
break;
case "started":
setStatus("active");
addLog(`Processing: ${msg.operations.join(" → ")}`);
break;
case "info":
addLog(`Input: ${msg.input.width}×${msg.input.height} ${msg.input.format} (${formatBytes(msg.input.size)})`);
break;
case "progress":
$("#progressBar").style.width = msg.progress + "%";
$("#stageText").textContent = msg.stage;
addLog(msg.stage);
break;
case "completed": {
setStatus("completed");
$("#progressBar").style.width = "100%";
$("#progressBar").classList.add("done");
$("#stageText").textContent = "Done!";
addLog(`Completed in ${msg.processingTime}ms`);
const savings = msg.savings.percent;
const savingsColor = savings > 0 ? "var(--green)" : "var(--red)";
$("#resultArea").innerHTML = `
<div class="result-stats">
<div class="stat">
<div class="stat-value">${msg.output.width}×${msg.output.height}</div>
<div class="stat-label">Dimensions</div>
</div>
<div class="stat">
<div class="stat-value">${formatBytes(msg.output.size)}</div>
<div class="stat-label">Size</div>
</div>
<div class="stat">
<div class="stat-value" style="color:${savingsColor}">${savings > 0 ? "" : "+"}${Math.abs(savings)}%</div>
<div class="stat-label">Savings</div>
</div>
</div>
<a class="download-btn" href="/api/jobs/${jobId}/download">↓ Download Result</a>
`;
submitBtn.disabled = false;
ws.close();
break;
}
case "failed":
setStatus("failed");
$("#stageText").textContent = "Failed";
$("#resultArea").innerHTML = `<div class="error-msg">Error: ${msg.error}</div>`;
addLog(`FAILED: ${msg.error}`);
submitBtn.disabled = false;
ws.close();
break;
}
};
ws.onerror = () => addLog("WebSocket error — falling back to polling");
ws.onclose = () => addLog("Stream closed");
}
</script>
</body>
</html>