Add grouping by outlet_id

internal/processor/analytics_processor.go

@@ -218,6 +218,23 @@ func (p *AnalyticsProcessorImpl) GetPurchasingAnalytics(ctx context.Context, req
 		}
 	}
 
+	outletData := make([]models.PurchasingOutletData, len(result.OutletData))
+	for i, item := range result.OutletData {
+		outletData[i] = models.PurchasingOutletData{
+			OutletID:                  item.OutletID,
+			OutletName:                item.OutletName,
+			Purchases:                 item.Purchases,
+			RawMaterialPurchases:      item.RawMaterialPurchases,
+			ExpensePurchases:          item.ExpensePurchases,
+			PurchaseOrders:            item.PurchaseOrders,
+			RawMaterialPurchaseOrders: item.RawMaterialPurchaseOrders,
+			ExpenseCount:              item.ExpenseCount,
+			Quantity:                  item.Quantity,
+			Ingredients:               item.Ingredients,
+			Vendors:                   item.Vendors,
+		}
+	}
+
 	ingredientData := make([]models.PurchasingIngredientData, len(result.IngredientData))
 	for i, item := range result.IngredientData {
 		ingredientData[i] = models.PurchasingIngredientData{
@@ -262,6 +279,7 @@ func (p *AnalyticsProcessorImpl) GetPurchasingAnalytics(ctx context.Context, req
 			TotalVendors:              result.Summary.TotalVendors,
 		},
 		Data:           data,
+		OutletData:     outletData,
 		IngredientData: ingredientData,
 		VendorData:     vendorData,
 	}, nil