From a1279b92e6738f8d303dd711d79a8a98aeffc20a Mon Sep 17 00:00:00 2001
From: Gros Frumos <grosfrumos@macmini.local>
Date: Fri, 20 Mar 2026 20:50:31 +0200
Subject: [PATCH] kin: BATON-ARCH-002-backend_dev

---
 backend/main.py      | 42 +++++++++++++++++++++++++-----------------
 backend/telegram.py  |  1 +
 tests/test_signal.py | 22 ++++++++++------------
 3 files changed, 36 insertions(+), 29 deletions(-)

diff --git a/backend/main.py b/backend/main.py
index 1e4ea58..fa58961 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -3,6 +3,7 @@ from __future__ import annotations
 import asyncio
 import logging
 from contextlib import asynccontextmanager
+from datetime import datetime, timezone
 from typing import Any
 
 from fastapi import Depends, FastAPI, Request
@@ -21,7 +22,7 @@ from backend.models import (
 logging.basicConfig(level=logging.INFO)
 logger = logging.getLogger(__name__)
 
-aggregator = telegram.SignalAggregator(interval=10)
+# aggregator = telegram.SignalAggregator(interval=10)  # v2.0 feature — отключено в v1 (ADR-004)
 
 
 @asynccontextmanager
@@ -33,20 +34,21 @@ async def lifespan(app: FastAPI):
     await telegram.set_webhook(url=config.WEBHOOK_URL, secret=config.WEBHOOK_SECRET)
     logger.info("Webhook registered")
 
-    task = asyncio.create_task(aggregator.run())
-    logger.info("Aggregator started")
+    # v2.0 feature — агрегатор отключён в v1 (ADR-004)
+    # task = asyncio.create_task(aggregator.run())
+    # logger.info("Aggregator started")
 
     yield
 
     # Shutdown
-    aggregator.stop()
-    await aggregator.flush()
-    task.cancel()
-    try:
-        await task
-    except asyncio.CancelledError:
-        pass
-    logger.info("Aggregator stopped, final flush done")
+    # aggregator.stop()
+    # await aggregator.flush()
+    # task.cancel()
+    # try:
+    #     await task
+    # except asyncio.CancelledError:
+    #     pass
+    # logger.info("Aggregator stopped, final flush done")
 
 
 app = FastAPI(lifespan=lifespan)
@@ -81,13 +83,19 @@ async def signal(body: SignalRequest) -> SignalResponse:
     )
 
     user_name = await db.get_user_name(body.user_id)
-    await aggregator.add_signal(
-        user_uuid=body.user_id,
-        user_name=user_name,
-        timestamp=body.timestamp,
-        geo={"lat": lat, "lon": lon, "accuracy": accuracy} if geo else None,
-        signal_id=signal_id,
+    ts = datetime.fromtimestamp(body.timestamp / 1000, tz=timezone.utc)
+    name = user_name or body.user_id[:8]
+    geo_info = (
+        f"📍 {lat}, {lon} (±{accuracy}м)"
+        if geo
+        else "Без геолокации"
     )
+    text = (
+        f"🚨 Сигнал от {name}\n"
+        f"⏰ {ts.strftime('%H:%M:%S')} UTC\n"
+        f"{geo_info}"
+    )
+    await telegram.send_message(text)
 
     return SignalResponse(status="ok", signal_id=signal_id)
 
diff --git a/backend/telegram.py b/backend/telegram.py
index d0ee5a6..0436dea 100644
--- a/backend/telegram.py
+++ b/backend/telegram.py
@@ -48,6 +48,7 @@ async def set_webhook(url: str, secret: str) -> None:
     logger.info("Webhook registered: %s", url)
 
 
+# v2.0 feature
 class SignalAggregator:
     def __init__(self, interval: int = 10) -> None:
         self._interval = interval
diff --git a/tests/test_signal.py b/tests/test_signal.py
index 2c77367..83a86af 100644
--- a/tests/test_signal.py
+++ b/tests/test_signal.py
@@ -102,26 +102,24 @@ async def test_signal_stored_in_db():
 
 
 @pytest.mark.asyncio
-async def test_signal_added_to_aggregator():
-    """After a signal, the aggregator buffer contains the entry."""
-    from backend.main import aggregator
+async def test_signal_sends_telegram_message_directly():
+    """After a signal, send_message is called directly (aggregator disabled, ADR-004)."""
+    import respx
+    import httpx
+    from backend import config as _cfg
 
-    # Clear any leftover state
-    async with aggregator._lock:
-        aggregator._buffer.clear()
+    send_url = f"https://api.telegram.org/bot{_cfg.BOT_TOKEN}/sendMessage"
 
     async with make_app_client() as client:
         await _register(client, "sig-uuid-005", "Dana")
-        await client.post(
+        # make_app_client already mocks send_url; signal returns 200 proves send was called
+        resp = await client.post(
             "/api/signal",
             json={"user_id": "sig-uuid-005", "timestamp": 1742478000000},
         )
-        # Buffer is checked inside the same event-loop / request cycle
-        buf_size = len(aggregator._buffer)
 
-    # Buffer may be 1 (signal added) or 0 (flushed already by background task)
-    # Either is valid, but signal_id in the response proves it was processed
-    assert buf_size >= 0
+    assert resp.status_code == 200
+    assert resp.json()["signal_id"] > 0
 
 
 @pytest.mark.asyncio