Calendar synchro

backend/services/calendar_sync.py

@@ -0,0 +1,61 @@
+"""
+Unified calendar sync — FXStreet (primary) with FF live fallback.
+Called by the background loop in main.py and manually via POST /api/eco/calendar-sync.
+"""
+import logging
+from datetime import datetime, timezone
+from typing import Any, Dict
+
+logger = logging.getLogger(__name__)
+
+_sync_status: Dict[str, Any] = {
+    "running": False,
+    "last_run": None,
+    "last_result": None,
+    "source": None,
+    "next_run": None,
+}
+
+
+def calendar_sync(weeks_ahead: int = 8) -> Dict[str, Any]:
+    """
+    Sync upcoming economic events:
+    1. Try FXStreet (no API key, ~300-400 events over weeks_ahead weeks)
+    2. Fall back to FF live JSON if FXStreet returns 403 or fails
+    """
+    global _sync_status
+    _sync_status["running"] = True
+    _sync_status["last_run"] = datetime.now(timezone.utc).isoformat()
+
+    result: Dict[str, Any] = {}
+    source = "unknown"
+
+    try:
+        from services.fxstreet_calendar import fetch_upcoming as fxs_fetch
+        r = fxs_fetch(weeks_ahead=weeks_ahead)
+        if r.get("error"):
+            logger.warning(f"[calendar_sync] FXStreet error: {r['error']} — falling back to FF live")
+            from services.ff_calendar import sync_live
+            r_ff = sync_live()
+            result = {**r_ff, "_fallback": True, "_fxs_error": r["error"]}
+            source = "ff_fallback"
+        else:
+            result = r
+            source = "fxstreet"
+    except Exception as e:
+        logger.error(f"[calendar_sync] Exception: {e}")
+        result = {"error": str(e)}
+        source = "error"
+
+    _sync_status["running"] = False
+    _sync_status["last_result"] = result
+    _sync_status["source"] = source
+    return result
+
+
+def get_sync_status() -> Dict[str, Any]:
+    return dict(_sync_status)
+
+
+def set_next_run(ts: str):
+    _sync_status["next_run"] = ts