fix sales

internal/repository/analytics_repository.go

@@ -77,33 +77,43 @@ func (r *AnalyticsRepositoryImpl) GetSalesAnalytics(ctx context.Context, organiz
 		dateFormat = "DATE(o.created_at)"
 	}
 
-	query := r.db.WithContext(ctx).
-		Table("orders o").
-		Select(`
-			`+dateFormat+` as date,
+	outletFilter := ""
+	args := []interface{}{organizationID, false, false, string(entities.PaymentStatusCompleted), dateFrom, dateTo}
+	if outletID != nil {
+		outletFilter = "AND o.outlet_id = ?"
+		args = append(args, *outletID)
+	}
+
+	rawQuery := `
+		SELECT
+			` + dateFormat + ` as date,
 			COALESCE(SUM(o.total_amount), 0) as sales,
 			COUNT(o.id) as orders,
-			COALESCE(SUM(CASE WHEN oi.status != 'cancelled' AND oi.is_fully_refunded = false THEN oi.quantity - COALESCE(oi.refund_quantity, 0) ELSE 0 END), 0) as items,
+			COALESCE(SUM(oi_agg.total_items), 0) as items,
 			COALESCE(SUM(o.tax_amount), 0) as tax,
 			COALESCE(SUM(o.discount_amount), 0) as discount,
 			COALESCE(SUM(o.total_amount - o.tax_amount - o.discount_amount), 0) as net_sales
-		`).
-		Joins("LEFT JOIN order_items oi ON o.id = oi.order_id").
-		Where("o.organization_id = ?", organizationID).
-		Where("o.is_void = ?", false).
-		Where("o.is_refund = ?", false).
-		Where("o.payment_status = ?", entities.PaymentStatusCompleted).
-		Where("o.created_at >= ? AND o.created_at <= ?", dateFrom, dateTo)
-
-	if outletID != nil {
-		query = query.Where("o.outlet_id = ?", *outletID)
-	}
-
-	err := query.
-		Group("date").
-		Order("date ASC").
-		Scan(&results).Error
+		FROM orders o
+		LEFT JOIN (
+			SELECT
+				oi.order_id,
+				SUM(oi.quantity - COALESCE(oi.refund_quantity, 0)) as total_items
+			FROM order_items oi
+			WHERE oi.status != 'cancelled'
+			  AND oi.is_fully_refunded = false
+			GROUP BY oi.order_id
+		) oi_agg ON oi_agg.order_id = o.id
+		WHERE o.organization_id = ?
+		  AND o.is_void = ?
+		  AND o.is_refund = ?
+		  AND o.payment_status = ?
+		  AND o.created_at >= ? AND o.created_at <= ?
+		  ` + outletFilter + `
+		GROUP BY date
+		ORDER BY date ASC
+	`
 
+	err := r.db.WithContext(ctx).Raw(rawQuery, args...).Scan(&results).Error
 	return results, err
 }