updated dashboard

dashboard/server.py

@@ -84,6 +84,23 @@ async def get_trades(isin: str = None, days: int = 7):
         """
     
     data = query_questdb(query)
+    
+    # Fallback: Wenn analytics_exchange_daily leer ist, berechne direkt aus trades
+    if not data or not data.get('dataset') or len(data.get('dataset', [])) == 0:
+        logger.info(f"analytics_exchange_daily is empty, calculating from trades table")
+        query = f"""
+        select 
+            date_trunc('day', timestamp) as date,
+            exchange,
+            count(*) as trade_count,
+            sum(price * quantity) as volume
+        from trades
+        where timestamp >= dateadd('d', -{days}, now())
+        group by date, exchange
+        order by date desc, exchange asc
+        """
+        data = query_questdb(query)
+    
     return format_questdb_response(data)
 
 @app.get("/api/metadata")
@@ -118,6 +135,27 @@ async def get_summary(days: int = None):
         """
     
     data = query_questdb(query)
+    
+    # Fallback: Wenn analytics_daily_summary leer ist, berechne direkt aus trades
+    if not data or not data.get('dataset') or not data['dataset']:
+        logger.info(f"analytics_daily_summary is empty, calculating from trades table")
+        if days:
+            query = f"""
+            select 
+                count(*) as total_trades,
+                sum(price * quantity) as total_volume
+            from trades
+            where timestamp >= dateadd('d', -{days}, now())
+            """
+        else:
+            query = """
+            select 
+                count(*) as total_trades,
+                sum(price * quantity) as total_volume
+            from trades
+            """
+        data = query_questdb(query)
+    
     if data and data.get('dataset') and data['dataset']:
         total_trades = data['dataset'][0][0] if data['dataset'][0][0] else 0
         total_volume = data['dataset'][0][1] if data['dataset'][0][1] else 0.0
@@ -337,6 +375,27 @@ async def get_moving_average(days: int = 7, exchange: str = None):
     query += " order by date asc, exchange asc"
     
     data = query_questdb(query, timeout=5)
+    
+    # Fallback: Wenn analytics_exchange_daily leer ist, berechne direkt aus trades
+    if not data or not data.get('dataset') or len(data.get('dataset', [])) == 0:
+        logger.info(f"analytics_exchange_daily is empty, calculating moving average from trades table")
+        # Berechne Moving Average direkt aus trades (vereinfacht, ohne echte MA-Berechnung)
+        query = f"""
+        select 
+            date_trunc('day', timestamp) as date,
+            exchange,
+            count(*) as trade_count,
+            sum(price * quantity) as volume,
+            count(*) as ma_count,
+            sum(price * quantity) as ma_volume
+        from trades
+        where timestamp >= dateadd('d', -{days}, now())
+        """
+        if exchange:
+            query += f" and exchange = '{exchange}'"
+        query += " group by date, exchange order by date asc, exchange asc"
+        data = query_questdb(query, timeout=10)
+    
     return format_questdb_response(data)
 
 @app.get("/api/statistics/volume-changes")