From fa4c7fe3789e389f62326bba09fa50fadb11d9f1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E2=80=9CNaeel=E2=80=9D?= <tazet@narod.ru>
Date: Tue, 16 Jun 2026 14:34:00 +0400
Subject: [PATCH] =?UTF-8?q?SSE-=D0=BE=D0=B1=D1=80=D0=B0=D0=B1=D0=BE=D1=82?=
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---
 site/app.py                | 138 ++++++++++++++++++++++---------------
 site/templates/upload.html |  89 +++++++++++++++++++++---
 2 files changed, 161 insertions(+), 66 deletions(-)

diff --git a/site/app.py b/site/app.py
index 3a90a89..5f5a8d5 100644
--- a/site/app.py
+++ b/site/app.py
@@ -1,7 +1,7 @@
 """app.py — Точка входа и сборка слоёв."""
 
 from dotenv import load_dotenv
-from flask import Flask, render_template, request, redirect, url_for
+from flask import Flask, render_template, request, redirect, url_for, Response
 import json
 
 import schema
@@ -26,7 +26,7 @@ class ContractsApp:
 
     def _add_routes(self):
         self.app.add_url_rule("/", "index", self._index, methods=["GET", "POST"])
-        self.app.add_url_rule("/process/<cid>", "process", self._process, methods=["POST"])
+        self.app.add_url_rule("/process/<cid>", "process", self._process, methods=["GET"])
         self.app.add_url_rule("/health", "health", self._health)
         self.app.register_blueprint(test_bp)
         self.app.register_blueprint(upload_bp)
@@ -132,70 +132,94 @@ class ContractsApp:
             contract=contract, supplements=supp_list,
             all_rows=all_rows, unprocessed=unprocessed)
 
-    # ── Шаг 2: LLM-обработка ────────────────────────────────────
+    # ── Шаг 2: LLM-обработка (SSE) ──────────────────────────────
 
     def _process(self, cid):
-        """Запустить LLM-обработку для всех необработанных допников договора."""
-        supps, _ = db.query(
-            "SELECT s.id, d.id as doc_id, d.parsed_text, d.filename "
-            "FROM supplements s JOIN documents d ON s.document_id=d.id "
-            "WHERE s.contract_id=%s AND d.parsed_text IS NOT NULL",
-            (cid,),
-        )
-        if not supps:
-            return redirect("/?id=" + cid)
+        """SSE-поток: обработка допников с интерактивным прогрессом."""
+        import time as time_mod
 
-        supp_rows = [dict(zip(supps["columns"], r)) for r in supps["rows"]]
-        total_rows = 0
+        def generate():
+            start_time = time_mod.time()
+            total_bytes = 0
+            files_processed = 0
+            total_rows = 0
 
-        for s in supp_rows:
-            text = s["parsed_text"]
-            if not text:
-                continue
-
-            # Проверим, не обработан ли уже
-            existing, _ = db.query("SELECT 1 FROM spec_rows WHERE supplement_id=%s LIMIT 1", (s["id"],))
-            if existing and existing["rows"]:
-                continue
-
-            ext = extractor.extract(text)
-            if "error" in ext:
-                db.execute("UPDATE documents SET status='extract_error', error_message=%s WHERE id=%s",
-                           (ext["error"], s["doc_id"]))
-                continue
-
-            rows = ext.get("rows", [])
-            total_rows += len(rows)
-
-            for row in rows:
-                db.execute(
-                    "INSERT INTO spec_rows (supplement_id,row_num,name,price,qty,sum,date_start) VALUES (%s,%s,%s,%s,%s,%s,%s)",
-                    (s["id"], row.get("row_num"), row.get("name"),
-                     row.get("price"), row.get("qty"), row.get("sum"), row.get("date_start")),
-                )
-
-            # Diff
-            prev_res, _ = db.query(
-                "SELECT sr.row_num,sr.name,sr.price,sr.qty,sr.sum,sr.date_start "
-                "FROM spec_rows sr JOIN supplements sup ON sr.supplement_id=sup.id "
-                "WHERE sup.contract_id=%s AND sup.id!=%s ORDER BY sr.row_num",
-                (cid, s["id"]),
+            supps, _ = db.query(
+                "SELECT s.id, d.id as doc_id, d.parsed_text, d.filename, "
+                "LENGTH(d.original_bytes) as file_size "
+                "FROM supplements s JOIN documents d ON s.document_id=d.id "
+                "WHERE s.contract_id=%s AND d.parsed_text IS NOT NULL",
+                (cid,),
             )
-            prev_rows = [dict(zip(prev_res["columns"], r)) for r in prev_res["rows"]] if prev_res else []
-            diff_r = differ.diff(prev_rows, rows)
+            if not supps:
+                yield f"data: {json.dumps({'type': 'error', 'message': 'Нет файлов для обработки'})}\n\n"
+                return
 
-            for ch in diff_r.get("changes", []):
-                db.execute(
-                    "INSERT INTO spec_history (contract_id,supplement_id,row_num,change_type,old_values,new_values) "
-                    "VALUES (%s,%s,%s,%s,%s,%s)",
-                    (cid, s["id"], ch["row_num"], ch["change_type"],
-                     json.dumps(ch.get("old_values"), ensure_ascii=False, default=str) if ch.get("old_values") else None,
-                     json.dumps(ch.get("new_values"), ensure_ascii=False, default=str) if ch.get("new_values") else None),
+            supp_rows = [dict(zip(supps["columns"], r)) for r in supps["rows"]]
+
+            for s in supp_rows:
+                text = s["parsed_text"]
+                if not text:
+                    continue
+
+                # Проверим, не обработан ли уже
+                existing, _ = db.query("SELECT 1 FROM spec_rows WHERE supplement_id=%s LIMIT 1", (s["id"],))
+                if existing and existing["rows"]:
+                    continue
+
+                file_start = time_mod.time()
+                file_bytes = s.get("file_size", 0) or 0
+                total_bytes += file_bytes
+
+                yield f"data: {json.dumps({'type': 'file_start', 'name': s['filename'], 'bytes': file_bytes})}\n\n"
+
+                ext = extractor.extract(text)
+                if "error" in ext:
+                    db.execute("UPDATE documents SET status='extract_error', error_message=%s WHERE id=%s",
+                               (ext["error"], s["doc_id"]))
+                    yield f"data: {json.dumps({'type': 'file_error', 'name': s['filename'], 'error': ext['error']})}\n\n"
+                    continue
+
+                rows = ext.get("rows", [])
+                total_rows += len(rows)
+
+                for row in rows:
+                    db.execute(
+                        "INSERT INTO spec_rows (supplement_id,row_num,name,price,qty,sum,date_start) VALUES (%s,%s,%s,%s,%s,%s,%s)",
+                        (s["id"], row.get("row_num"), row.get("name"),
+                         row.get("price"), row.get("qty"), row.get("sum"), row.get("date_start")),
+                    )
+
+                # Diff
+                prev_res, _ = db.query(
+                    "SELECT sr.row_num,sr.name,sr.price,sr.qty,sr.sum,sr.date_start "
+                    "FROM spec_rows sr JOIN supplements sup ON sr.supplement_id=sup.id "
+                    "WHERE sup.contract_id=%s AND sup.id!=%s ORDER BY sr.row_num",
+                    (cid, s["id"]),
                 )
+                prev_rows = [dict(zip(prev_res["columns"], r)) for r in prev_res["rows"]] if prev_res else []
+                diff_r = differ.diff(prev_rows, rows)
 
-            db.execute("UPDATE documents SET status='extracted' WHERE id=%s", (s["doc_id"],))
+                for ch in diff_r.get("changes", []):
+                    db.execute(
+                        "INSERT INTO spec_history (contract_id,supplement_id,row_num,change_type,old_values,new_values) "
+                        "VALUES (%s,%s,%s,%s,%s,%s)",
+                        (cid, s["id"], ch["row_num"], ch["change_type"],
+                         json.dumps(ch.get("old_values"), ensure_ascii=False, default=str) if ch.get("old_values") else None,
+                         json.dumps(ch.get("new_values"), ensure_ascii=False, default=str) if ch.get("new_values") else None),
+                    )
 
-        return redirect("/?id=" + cid)
+                db.execute("UPDATE documents SET status='extracted' WHERE id=%s", (s["doc_id"],))
+
+                elapsed = round(time_mod.time() - file_start, 1)
+                files_processed += 1
+
+                yield f"data: {json.dumps({'type': 'file_done', 'name': s['filename'], 'rows': len(rows), 'time_s': elapsed})}\n\n"
+
+            total_time = round(time_mod.time() - start_time, 1)
+            yield f"data: {json.dumps({'type': 'summary', 'total_time_s': total_time, 'total_bytes': total_bytes, 'total_rows': total_rows, 'files_processed': files_processed})}\n\n"
+
+        return Response(generate(), mimetype="text/event-stream")
 
     def run(self):
         self.app.run(host="0.0.0.0", port=5000)
diff --git a/site/templates/upload.html b/site/templates/upload.html
index 7e755ed..35a75ac 100644
--- a/site/templates/upload.html
+++ b/site/templates/upload.html
@@ -76,12 +76,11 @@
         </div>
         {% endfor %}
         {% if unprocessed %}
-        <form method="POST" action="/process/{{ contract.id }}" style="margin-top:12px;" onsubmit="startTimer()">
-          <button type="submit" class="btn btn-primary" style="width:100%;justify-content:center;">
+        <div id="process-area">
+          <button class="btn btn-primary" onclick="startProcessing('{{ contract.id }}')" style="width:100%;justify-content:center;">
             <i data-lucide="play" style="width:16px;height:16px;"></i> Обработать (LLM)
           </button>
-          <div id="timer" style="text-align:center;margin-top:8px;color:var(--muted);font-size:13px;"></div>
-        </form>
+        </div>
         {% endif %}
       </div>
     </div>
@@ -118,11 +117,83 @@
 
 <script>
   lucide.createIcons();
-  function startTimer() {
-    var t = document.getElementById('timer'), s = 0;
-    if (!t) return;
-    t.textContent = '⏳ Обработка LLM... 0с';
-    setInterval(function(){ s++; t.textContent = '⏳ Обработка LLM... ' + s + 'с'; }, 1000);
+
+  function formatBytes(b) {
+    if (!b) return '0 B';
+    var u = ['B','KB','MB','GB'], i = 0;
+    while (b >= 1024 && i < 3) { b /= 1024; i++; }
+    return (Math.round(b * 10) / 10) + ' ' + u[i];
+  }
+
+  function startProcessing(cid) {
+    var area = document.getElementById('process-area');
+    area.innerHTML = '<div style="padding:12px;" id="proc-list"></div>';
+    var list = document.getElementById('proc-list');
+
+    var timers = {};
+    var timerInterval = setInterval(function() {
+      var now = Date.now();
+      var els = list.querySelectorAll('.proc-timer');
+      els.forEach(function(el) {
+        var start = parseInt(el.dataset.start);
+        if (start) { el.textContent = Math.round((now - start) / 1000) + 'с'; }
+      });
+    }, 500);
+
+    var es = new EventSource('/process/' + cid);
+
+    es.addEventListener('error', function() {
+      clearInterval(timerInterval);
+      es.close();
+    });
+
+    es.onmessage = function(e) {
+      var d = JSON.parse(e.data);
+
+      if (d.type === 'file_start') {
+        var div = document.createElement('div');
+        div.className = 'queue-item';
+        div.id = 'f_' + d.name.replace(/[^a-zA-Z0-9]/g, '_');
+        div.innerHTML = '<span class="badge badge-err">⏳</span>' +
+          '<span class="name">' + d.name + '</span>' +
+          '<span class="size proc-timer" data-start="' + Date.now() + '">0с</span>';
+        list.appendChild(div);
+        lucide.createIcons();
+      }
+
+      else if (d.type === 'file_done') {
+        var el = document.getElementById('f_' + d.name.replace(/[^a-zA-Z0-9]/g, '_'));
+        if (el) {
+          el.querySelector('.badge').className = 'badge badge-ok';
+          el.querySelector('.badge').textContent = '✓';
+          el.querySelector('.proc-timer').textContent = d.time_s + 'с · ' + d.rows + ' строк';
+        }
+      }
+
+      else if (d.type === 'file_error') {
+        var el = document.getElementById('f_' + d.name.replace(/[^a-zA-Z0-9]/g, '_'));
+        if (el) {
+          el.querySelector('.badge').className = 'badge badge-err';
+          el.querySelector('.badge').textContent = '✗';
+          el.querySelector('.proc-timer').textContent = d.error;
+        }
+      }
+
+      else if (d.type === 'summary') {
+        clearInterval(timerInterval);
+        es.close();
+        var sum = document.createElement('div');
+        sum.style.cssText = 'margin-top:12px;padding:12px;border-radius:6px;background:rgba(34,197,94,.05);border:1px solid var(--green);';
+        sum.innerHTML = '<strong>✓ Готово:</strong> ' + d.files_processed + ' файлов, ' +
+          d.total_rows + ' строк, ' + formatBytes(d.total_bytes) + ', всего <strong>' + d.total_time_s + 'с</strong>';
+        list.appendChild(sum);
+
+        var btnDiv = document.createElement('div');
+        btnDiv.style.cssText = 'margin-top:12px;';
+        btnDiv.innerHTML = '<a href="/?id=' + cid + '" class="btn btn-primary" style="width:100%;justify-content:center;">Смотреть результаты</a>';
+        list.appendChild(btnDiv);
+      }
+    };
   }
 </script>
 </body>