feat: add limit owner

internal/entities/analytics.go

@@ -143,16 +143,29 @@ type ProductAnalyticsPerCategory struct {
 // ProductAnalyticsPerParentCategory rolls the per-category figures up to the
 // top-level category. A category without a parent is its own group.
 type ProductAnalyticsPerParentCategory struct {
-	ParentCategoryID      uuid.UUID `json:"parent_category_id"`
-	ParentCategoryName    string    `json:"parent_category_name"`
-	TotalRevenue          float64   `json:"total_revenue"`
-	TotalQuantity         int64     `json:"total_quantity"`
-	CategoryCount         int64     `json:"category_count"`
-	ProductCount          int64     `json:"product_count"`
-	OrderCount            int64     `json:"order_count"`
-	TotalStandardHpp      float64   `json:"total_standard_hpp"`
-	TotalFifoHpp          float64   `json:"total_fifo_hpp"`
-	TotalMovingAverageHpp float64   `json:"total_moving_average_hpp"`
+	ParentCategoryID   uuid.UUID `json:"parent_category_id"`
+	ParentCategoryName string    `json:"parent_category_name"`
+	// OwnerFeePercent is the owner share of this group's revenue, already resolved to the default
+	OwnerFeePercent       float64 `json:"owner_fee_percent"`
+	TotalRevenue          float64 `json:"total_revenue"`
+	TotalQuantity         int64   `json:"total_quantity"`
+	CategoryCount         int64   `json:"category_count"`
+	ProductCount          int64   `json:"product_count"`
+	OrderCount            int64   `json:"order_count"`
+	TotalStandardHpp      float64 `json:"total_standard_hpp"`
+	TotalFifoHpp          float64 `json:"total_fifo_hpp"`
+	TotalMovingAverageHpp float64 `json:"total_moving_average_hpp"`
+	// TopProduct is filled by a separate query, so it is not a scanned column
+	TopProduct *ParentCategoryTopProduct `gorm:"-" json:"top_product"`
+}
+
+// ParentCategoryTopProduct is the best-selling product of a parent category by revenue.
+type ParentCategoryTopProduct struct {
+	ParentCategoryID uuid.UUID `json:"parent_category_id"`
+	ProductID        uuid.UUID `json:"product_id"`
+	ProductName      string    `json:"product_name"`
+	QuantitySold     int64     `json:"quantity_sold"`
+	Revenue          float64   `json:"revenue"`
 }
 
 // ParentCategoryAnalyticsDetail is the drill-down for a single parent category:
@@ -171,6 +184,8 @@ type BudgetCutOffWeek struct {
 	WeekStart  time.Time `json:"week_start"`
 	Revenue    float64   `json:"revenue"`
 	OrderCount int64     `json:"order_count"`
+	// SDL is summed per parent category, each at its own owner fee percent
+	SDL float64 `json:"sdl"`
 }
 
 // DashboardOverview represents dashboard overview data