build 059.7: add websocket OHLC adapter

app/src/market_data/acquisition/adapters/dzengi/websocket.py

@@ -5,16 +5,21 @@ from __future__ import annotations
 from datetime import datetime, timezone
 
 from src.market_data.acquisition.adapters.dzengi.mapper import (
+    map_dzengi_websocket_ohlc_to_candle_close_event,
     map_dzengi_websocket_quote_to_quote,
 )
 from src.market_data.acquisition.adapters.dzengi.parser import (
+    parse_dzengi_websocket_ohlc,
     parse_dzengi_websocket_quote,
 )
+from src.market_data.acquisition.models.candle_close import CandleCloseEvent
 from src.market_data.acquisition.models.quote import Quote
 from src.market_data.acquisition.validation.schema import (
+    validate_dzengi_websocket_ohlc_schema,
     validate_dzengi_websocket_quote_schema,
 )
 from src.market_data.acquisition.validation.values import (
+    validate_dzengi_websocket_ohlc_values,
     validate_dzengi_websocket_quote_values,
 )
 
@@ -35,3 +40,22 @@ class DzengiWebSocketQuoteAdapter:
             response,
             received_at=received_at or datetime.now(timezone.utc),
         )
+
+
+# Преобразует одно декодированное сообщение Dzengi WebSocket
+# в CandleCloseEvent.
+class DzengiWebSocketOhlcAdapter:
+    def map_message(
+        self,
+        document: object,
+        *,
+        received_at: datetime | None = None,
+    ) -> CandleCloseEvent:
+        validated = validate_dzengi_websocket_ohlc_schema(document)
+        event = parse_dzengi_websocket_ohlc(validated)
+        validate_dzengi_websocket_ohlc_values(event)
+
+        return map_dzengi_websocket_ohlc_to_candle_close_event(
+            event,
+            received_at=received_at or datetime.now(timezone.utc),
+        )