add purchase resource in model catalog

models/resources/compute.go

@@ -146,13 +146,13 @@ func (r *PricedComputeResource) GetPrice() (float64, error) {
 		add := r.UsageStart.Add(time.Duration(1 * time.Hour))
 		r.UsageEnd = &add
 	}
-	pricing := *r.SelectedPricing
-	if pricing == nil {
+	if r.SelectedPricing == nil {
 		if len(r.PricingProfiles) == 0 {
 			return 0, errors.New("pricing profile must be set")
 		}
-		pricing = r.PricingProfiles[0]
+		*r.SelectedPricing = r.PricingProfiles[0]
 	}
+	pricing := *r.SelectedPricing
 	price := float64(0)
 	for _, l := range []map[string]float64{r.CPUsLocated, r.GPUsLocated} {
 		for model, amountOfData := range l {