rebuild(stage-6): deliver emotion and market pools

next/backend/features/market/service.py

@@ -5,12 +5,14 @@ from typing import Any
 from backend.data.gateway import DataGateway, MarketDataUnavailable
 from backend.data.providers.base import ProviderError
 from backend.data.quality import DataQualityError
+from backend.features.market.sync import MarketSnapshotService, SnapshotSyncError
 from backend.http.errors import AppError
 
 
 class MarketService:
-    def __init__(self, gateway: DataGateway) -> None:
+    def __init__(self, gateway: DataGateway, snapshots: MarketSnapshotService) -> None:
         self._gateway = gateway
+        self._snapshots = snapshots
 
     def context(self, requested_date: str | None = None) -> dict[str, Any]:
         context = self._call(self._gateway.trade_context, requested_date)
@@ -76,11 +78,17 @@ class MarketService:
     def refresh_reference(self) -> dict[str, int | str]:
         return self._call(self._gateway.refresh_reference)
 
+    def sync_snapshot(self, requested_date: str | None = None) -> dict[str, Any]:
+        return self._call(self._snapshots.sync, requested_date)
+
+    def workspace(self, key: str, requested_date: str | None = None) -> dict[str, Any]:
+        return self._call(self._snapshots.workspace, key, requested_date)
+
     @staticmethod
     def _call(function, *args):
         try:
             return function(*args)
-        except (MarketDataUnavailable, ProviderError, DataQualityError) as exc:
+        except (MarketDataUnavailable, ProviderError, DataQualityError, SnapshotSyncError) as exc:
             raise AppError("market_data_unavailable", str(exc), 503) from exc