add sets up

models/common/pricing/interfaces.go

@@ -12,6 +12,7 @@ type PricedItemITF interface {
 	IsPurchasable() bool
 	IsBooked() bool
 	GetCreatorID() string
+	SelectPricing() PricingProfileITF
 	GetLocationStart() *time.Time
 	SetLocationStart(start time.Time)
 	SetLocationEnd(end time.Time)

models/common/pricing/pricing_profile.go

@@ -5,10 +5,11 @@ import (
 )
 
 type PricingProfileITF interface {
-	GetPrice(quantity float64, val float64, start time.Time, end time.Time, params ...string) (float64, error)
-	IsPurchasable() bool
 	IsBooked() bool
+	IsPurchasable() bool
+	GetPurchase() BuyingStrategy
 	GetOverrideStrategyValue() int
+	GetPrice(quantity float64, val float64, start time.Time, end time.Time, params ...string) (float64, error)
 }
 
 type RefundType int