massive draft for payment process (UNCOMPLETE)

models/common/pricing/interfaces.go

@@ -0,0 +1,17 @@
+package pricing
+
+import (
+	"time"
+
+	"cloud.o-forge.io/core/oc-lib/tools"
+)
+
+type PricedItemITF interface {
+	GetID() string
+	GetType() tools.DataType
+	IsBuying(request *tools.APIRequest) bool
+	GetCreatorID() string
+	GetLocationStart() *time.Time
+	GetLocationEnd() *time.Time
+	GetPrice(request *tools.APIRequest) (float64, error)
+}