refactor

go.mod

@@ -4,11 +4,16 @@ go 1.26.2
 
 require (
 	github.com/alicebob/miniredis/v2 v2.35.0
-	github.com/redis/go-redis/v9 v9.16.0
+	github.com/redis/go-redis/v9 v9.20.0
 )
 
 require (
+	git.k6n.net/mats/platform v0.0.0
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
-	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
+	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
+	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
+	github.com/stretchr/testify v1.11.1 // indirect
 	github.com/yuin/gopher-lua v1.1.1 // indirect
+	go.uber.org/atomic v1.11.0 // indirect
+	golang.org/x/sys v0.46.0 // indirect
 )

go.sum

@@ -6,9 +6,14 @@ github.com/bsm/gomega v1.27.10 h1:yeMWxP2pV2fG3FgAODIY8EiRE3dy0aeFYt4l7wh6yKA=
 github.com/bsm/gomega v1.27.10/go.mod h1:JyEr/xRbxbtgWNi8tIEVPUYZ5Dzef52k01W3YH0H+O0=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78=
+github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
-github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
+github.com/klauspost/cpuid/v2 v2.2.10 h1:tBs3QSyvjDyFTq3uoc/9xFpCuOsJQFNPiAhYdw2skhE=
-github.com/redis/go-redis/v9 v9.16.0 h1:OotgqgLSRCmzfqChbQyG1PHC3tLNR89DG4jdOERSEP4=
+github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U=
-github.com/redis/go-redis/v9 v9.16.0/go.mod h1:u410H11HMLoB+TP67dz8rL9s6QW2j76l0//kSOd3370=
+github.com/redis/go-redis/v9 v9.20.0 h1:WnQYxLkgO2xiXTCJY0ldIiI8dNqCDlQAG+AtaH7a2a0=
+github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
 github.com/yuin/gopher-lua v1.1.1 h1:kYKnWBjvbNP4XLT3+bPEwAXJx262OhaHDWDVOPjL46M=
 github.com/yuin/gopher-lua v1.1.1/go.mod h1:GBR0iDaNXjAgGg9zfCvksxSRnQx76gclCIb7kdAd1Pw=
+github.com/zeebo/xxh3 v1.1.0 h1:s7DLGDK45Dyfg7++yxI0khrfwq9661w9EN78eP/UZVs=
+go.uber.org/atomic v1.11.0 h1:ZvwS0R+56ePWxUNi+Atn9dWONBPp/AUETXlHW0DxSjE=
+golang.org/x/sys v0.46.0 h1:noSf2Fq6F8DBgS+LysIkx7rIExoNHJsxOAtPp4rthXw=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=

pkg/inventory/adapter.go

@@ -0,0 +1,42 @@
+package inventory
+
+import (
+	"context"
+
+	platforminv "git.k6n.net/mats/platform/inventory"
+)
+
+// ReservationPolicyAdapter wraps a RedisCartReservationService to satisfy the
+// platform/inventory.ReservationPolicy interface. It translates between the
+// platform's value types (SKU, LocationID, CartID) and the Redis-level types
+// used internally by go-redis-inventory.
+type ReservationPolicyAdapter struct {
+	inner *RedisCartReservationService
+}
+
+// NewReservationPolicyAdapter creates an adapter that satisfies
+// platform/inventory.ReservationPolicy by delegating to the Redis-backed
+// reservation service.
+func NewReservationPolicyAdapter(inner *RedisCartReservationService) *ReservationPolicyAdapter {
+	return &ReservationPolicyAdapter{inner: inner}
+}
+
+func (a *ReservationPolicyAdapter) Reserve(ctx context.Context, req platforminv.CartReserveRequest) error {
+	return a.inner.ReserveForCart(ctx, CartReserveRequest{
+		InventoryReference: &InventoryReference{
+			SKU:        SKU(req.SKU),
+			LocationID: LocationID(req.LocationID),
+		},
+		CartID:   CartID(req.CartID),
+		Quantity: req.Quantity,
+		TTL:      req.TTL,
+	})
+}
+
+func (a *ReservationPolicyAdapter) Release(ctx context.Context, sku platforminv.SKU, locationID platforminv.LocationID, cartID platforminv.CartID) error {
+	return a.inner.ReleaseForCart(ctx, SKU(sku), LocationID(locationID), CartID(cartID))
+}
+
+func (a *ReservationPolicyAdapter) Available(ctx context.Context, sku platforminv.SKU, locationID platforminv.LocationID) (int64, error) {
+	return a.inner.GetAvailableInventory(ctx, SKU(sku), LocationID(locationID))
+}

pkg/inventory/types.go

@@ -52,14 +52,10 @@ type CartReserveRequest struct {
 	TTL      time.Duration
 }
 
-type CartReservationService interface {
+// CartReservationService interface was removed in favor of
-	ReserveForCart(ctx context.Context, req CartReserveRequest) error
+// platform/inventory.ReservationPolicy. Consumers should depend on the
-	ReleaseForCart(ctx context.Context, sku SKU, locationID LocationID, cartID CartID) error
+// platform seam; the concrete *RedisCartReservationService implements its
-	GetAvailableInventory(ctx context.Context, sku SKU, locationID LocationID) (int64, error)
+// methods directly.
-	GetReservationExpiry(ctx context.Context, sku SKU, locationID LocationID, cartID CartID) (time.Time, error)
-	GetReservationStatus(ctx context.Context, sku SKU, locationID LocationID, cartID CartID) (*ReservationStatus, error)
-	GetReservationSummary(ctx context.Context, sku SKU, locationID LocationID) (*ReservationSummary, error)
-}
 
 type ReservationStatus struct {
 	Active        bool