Add grouping by outlet_id

internal/contract/analytics_contract.go

@@ -90,7 +90,7 @@ type PurchasingAnalyticsRequest struct {
 	OutletID       *string `form:"outlet_id,omitempty"`
 	DateFrom       string  `form:"date_from" validate:"required"`
 	DateTo         string  `form:"date_to" validate:"required"`
-	GroupBy        string  `form:"group_by,default=day" validate:"omitempty,oneof=day hour week month"`
+	GroupBy        string  `form:"group_by,default=day" validate:"omitempty,oneof=day hour week month outlet_id"`
 }
 
 type PurchasingAnalyticsResponse struct {
@@ -102,6 +102,7 @@ type PurchasingAnalyticsResponse struct {
 	GroupBy        string                     `json:"group_by"`
 	Summary        PurchasingSummary          `json:"summary"`
 	Data           []PurchasingAnalyticsData  `json:"data"`
+	OutletData     []PurchasingOutletData     `json:"outlet_data,omitempty"`
 	IngredientData []PurchasingIngredientData `json:"ingredient_data"`
 	VendorData     []PurchasingVendorData     `json:"vendor_data"`
 }
@@ -132,6 +133,20 @@ type PurchasingAnalyticsData struct {
 	Vendors                   int64     `json:"vendors"`
 }
 
+type PurchasingOutletData struct {
+	OutletID                  *uuid.UUID `json:"outlet_id,omitempty"`
+	OutletName                string     `json:"outlet_name"`
+	Purchases                 float64    `json:"purchases"`
+	RawMaterialPurchases      float64    `json:"raw_material_purchases"`
+	ExpensePurchases          float64    `json:"expense_purchases"`
+	PurchaseOrders            int64      `json:"purchase_orders"`
+	RawMaterialPurchaseOrders int64      `json:"raw_material_purchase_orders"`
+	ExpenseCount              int64      `json:"expense_count"`
+	Quantity                  float64    `json:"quantity"`
+	Ingredients               int64      `json:"ingredients"`
+	Vendors                   int64      `json:"vendors"`
+}
+
 type PurchasingIngredientData struct {
 	IngredientID       uuid.UUID `json:"ingredient_id"`
 	IngredientName     string    `json:"ingredient_name"`