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v2: чанки 30KB + MD5, /v2/chunk + /v2/finalize, Redis, worker, v2.0

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naeel
2026-06-17 23:14:34 +04:00
parent 562c27879e
commit c28baa446b
6 changed files with 416 additions and 19 deletions
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site/templates/upload.html
+31 -19
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@@ -5,6 +5,7 @@
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Сверка договоров</title>
<link rel="icon" type="image/png" href="{{ url_for('static', filename='favicon.png') }}">
<script src="https://cdnjs.cloudflare.com/ajax/libs/spark-md5/3.0.2/spark-md5.min.js"></script>
<script src="https://unpkg.com/lucide@latest"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jszip/3.10.1/jszip.min.js"></script>
<style>
@@ -59,7 +60,7 @@
<body>
<div class="topbar">
<img src="{{ url_for('static', filename='nubes-logo.svg') }}" alt="Nubes">
<span class="title">Сверка договоров <span style="font-weight:400;color:var(--muted);font-size:12px;">v1.43</span></span>
<span class="title">Сверка договоров <span style="font-weight:400;color:var(--muted);font-size:12px;">v2.0</span></span>
</div>
<div class="content">
@@ -155,52 +156,63 @@
window.removeFile = removeFile;
// ── Чанковая загрузка 30KB ─────────────────────────────────
// ── Чанковая загрузка v2 (30KB + MD5) ────────────────────
function uploadFileChunked(file, cid, onProgress) {
return new Promise(function(resolve, reject) {
var reader = new FileReader();
reader.onload = function() {
var b64 = reader.result.split(',')[1];
var buffer = reader.result;
var bytes = new Uint8Array(buffer);
var b64 = btoa(String.fromCharCode.apply(null, bytes));
var checksum = SparkMD5.ArrayBuffer.hash(buffer);
var CHUNK = 30 * 1024;
var totalChunks = Math.ceil(b64.length / CHUNK);
var uploadId = file.name + '_' + Date.now() + '_' + Math.random().toString(36).substr(2, 6);
var uploadId = 'u' + Date.now().toString(36) + Math.random().toString(36).substr(2, 7);
var done = 0;
function sendChunk(i) {
if (i >= totalChunks) { resolve({contract_id: cid}); return; }
if (i >= totalChunks) {
var xhr = new XMLHttpRequest();
xhr.open('POST', '/v2/finalize');
xhr.setRequestHeader('Content-Type', 'application/json');
xhr.timeout = 15000;
xhr.onload = function() {
try {
var r = JSON.parse(xhr.responseText);
if (r.ok) resolve({contract_id: r.contract_id});
else reject(new Error(r.error));
} catch(e) { reject(new Error('Bad JSON')); }
};
xhr.onerror = function() { reject(new Error('Сеть')); };
xhr.ontimeout = function() { reject(new Error('Таймаут')); };
xhr.send(JSON.stringify({upload_id: uploadId, filename: file.name, total: totalChunks, checksum: checksum}));
return;
}
var piece = b64.substring(i * CHUNK, (i + 1) * CHUNK);
var xhr = new XMLHttpRequest();
xhr.open('POST', '/chunk_json');
xhr.open('POST', '/v2/chunk');
xhr.setRequestHeader('Content-Type', 'application/json');
xhr.timeout = 10000;
xhr.onload = function() {
if (xhr.status === 200) {
try {
var resp = JSON.parse(xhr.responseText);
if (resp.error) { reject(new Error(resp.error)); return; }
if (resp.contract_id) cid = resp.contract_id;
var r = JSON.parse(xhr.responseText);
if (!r.ok) { reject(new Error(r.error)); return; }
done++;
if (onProgress) onProgress(Math.round(done / totalChunks * 100));
setTimeout(function() { sendChunk(i + 1); }, 100);
setTimeout(function() { sendChunk(i + 1); }, 50);
} catch(e) { reject(new Error('Bad JSON')); }
} else { reject(new Error('HTTP ' + xhr.status)); }
};
xhr.onerror = function() { reject(new Error('Сеть')); };
xhr.ontimeout = function() { reject(new Error('Таймаут')); };
xhr.send(JSON.stringify({
upload_id: uploadId,
filename: file.name,
chunk_index: i,
total_chunks: totalChunks,
data: piece,
cid: cid || null
}));
xhr.send(JSON.stringify({upload_id: uploadId, index: i, total: totalChunks, data: piece}));
}
sendChunk(0);
};
reader.onerror = function() { reject(new Error('Read error')); };
reader.readAsDataURL(file);
reader.readAsArrayBuffer(file);
});
}