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cart and checkout
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This commit is contained in:
mats
2026-06-27 19:49:00 +02:00
parent 492f54ff45
commit 528c59bfd3
67 changed files with 3618 additions and 1031 deletions
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pkg/promotions/mcp/tools.go
+9 -5
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@@ -190,7 +190,7 @@ func (s *Server) buildTools() []tool {
if err := decode(args, &a); err != nil {
return nil, err
}
g := syntheticCart(a.CartTotalIncVat, a.ItemQuantity)
g := syntheticCart(a.CartTotalIncVat, a.ItemQuantity, s.defaultVatRate())
opts := []promotions.ContextOption{promotions.WithNow(time.Now())}
if a.CustomerSegment != "" {
opts = append(opts, promotions.WithCustomerSegment(a.CustomerSegment))
@@ -210,15 +210,19 @@ func (s *Server) buildTools() []tool {
}
}
// syntheticCart builds a one-line cart whose gross total is incVat öre (25% VAT
// assumed) so the promotion engine can be evaluated against an arbitrary total.
func syntheticCart(incVat int64, qty int) *cart.CartGrain {
// syntheticCart builds a one-line cart whose gross total is incVat ore so the
// promotion engine can be evaluated against an arbitrary total. defaultVatRate
// is the VAT rate as a float32 percentage (e.g. 25 = 25 %).
func syntheticCart(incVat int64, qty int, defaultVatRate float32) *cart.CartGrain {
if qty <= 0 {
qty = 1
}
if defaultVatRate == 0 {
defaultVatRate = 25
}
g := cart.NewCartGrain(0, time.Now())
g.Items = []*cart.CartItem{
{Id: 1, Sku: "PREVIEW", Quantity: uint16(qty), Price: *cart.NewPriceFromIncVat(incVat, 25)},
{Id: 1, Sku: "PREVIEW", Quantity: uint16(qty), Price: *cart.NewPriceFromIncVat(incVat, defaultVatRate)},
}
// Quantity > 1 would multiply the row total; keep the gross equal to incVat by
// pricing a single unit at the full total.