Fix new Frontend 15

services/data/app/services/sales_service.py

@@ -226,3 +226,53 @@ class SalesService:
             await db.rollback()
             logger.error("Failed to delete sales record", error=str(e))
             raise
+        
+    @staticmethod
+    async def get_products_list(tenant_id: str, db: AsyncSession) -> List[Dict[str, Any]]:
+        """Get list of all products with sales data for tenant"""
+        try:
+            # Query to get unique products with aggregated sales data
+            query = (
+                select(
+                    SalesData.product_name,
+                    func.count(SalesData.id).label('total_sales'),
+                    func.sum(SalesData.quantity_sold).label('total_quantity'),
+                    func.sum(SalesData.revenue).label('total_revenue'),
+                    func.min(SalesData.date).label('first_sale_date'),
+                    func.max(SalesData.date).label('last_sale_date'),
+                    func.avg(SalesData.quantity_sold).label('avg_quantity'),
+                    func.avg(SalesData.revenue).label('avg_revenue')
+                )
+                .where(SalesData.tenant_id == tenant_id)
+                .group_by(SalesData.product_name)
+                .order_by(desc(func.sum(SalesData.revenue)))
+            )
+            
+            result = await db.execute(query)
+            products_data = result.all()
+            
+            # Format the response
+            products = []
+            for row in products_data:
+                products.append({
+                    'product_name': row.product_name,
+                    'total_sales': row.total_sales,
+                    'total_quantity': int(row.total_quantity) if row.total_quantity else 0,
+                    'total_revenue': float(row.total_revenue) if row.total_revenue else 0.0,
+                    'first_sale_date': row.first_sale_date.isoformat() if row.first_sale_date else None,
+                    'last_sale_date': row.last_sale_date.isoformat() if row.last_sale_date else None,
+                    'avg_quantity': float(row.avg_quantity) if row.avg_quantity else 0.0,
+                    'avg_revenue': float(row.avg_revenue) if row.avg_revenue else 0.0
+                })
+            
+            logger.debug("Products list retrieved successfully", 
+                        tenant_id=tenant_id, 
+                        product_count=len(products))
+            
+            return products
+            
+        except Exception as e:
+            logger.error("Failed to get products list from database", 
+                        error=str(e), 
+                        tenant_id=tenant_id)
+            raise