add giftcards

pkg/cart/cart-grain.go

@@ -89,17 +89,29 @@ type Marking struct {
 	Text string `json:"text"`
 }
 
+type GiftcardItem struct {
+	Id            uint32          `json:"id"`
+	Value         Price           `json:"value"`
+	DeliveryDate  string          `json:"deliveryDate"`
+	Recipient     string          `json:"recipient"`
+	RecipientType string          `json:"recipientType"`
+	Message       string          `json:"message"`
+	DesignConfig  json.RawMessage `json:"designConfig,omitempty"`
+}
+
 type CartGrain struct {
 	mu                     sync.RWMutex
 	lastItemId             uint32
 	lastDeliveryId         uint32
 	lastVoucherId          uint32
+	lastGiftcardId         uint32
 	lastAccess             time.Time
 	lastChange             time.Time // unix seconds of last successful mutation (replay sets from event ts)
 	userId                 string
 	InventoryReserved      bool                            `json:"inventoryReserved"`
 	Id                     CartId                          `json:"id"`
 	Items                  []*CartItem                     `json:"items"`
+	Giftcards              []*GiftcardItem                 `json:"giftcards,omitempty"`
 	TotalPrice             *Price                          `json:"totalPrice"`
 	TotalDiscount          *Price                          `json:"totalDiscount"`
 	Deliveries             []*CartDelivery                 `json:"deliveries,omitempty"`
@@ -185,11 +197,13 @@ func NewCartGrain(id uint64, ts time.Time) *CartGrain {
 		lastItemId:          0,
 		lastDeliveryId:      0,
 		lastVoucherId:       0,
+		lastGiftcardId:      0,
 		lastAccess:          ts,
 		lastChange:          ts,
 		TotalDiscount:       NewPrice(),
 		Vouchers:            []*Voucher{},
 		Deliveries:          []*CartDelivery{},
+		Giftcards:           []*GiftcardItem{},
 		Id:                  CartId(id),
 		Items:               []*CartItem{},
 		TotalPrice:          NewPrice(),
@@ -337,6 +351,9 @@ func (c *CartGrain) UpdateTotals() {
 	for _, delivery := range c.Deliveries {
 		c.TotalPrice.Add(delivery.Price)
 	}
+	for _, giftcard := range c.Giftcards {
+		c.TotalPrice.Add(giftcard.Value)
+	}
 	for _, voucher := range c.Vouchers {
 		_, ok := voucher.AppliesTo(c)
 		voucher.Applied = false

pkg/cart/cart-mutation-helper.go

@@ -72,6 +72,12 @@ func NewCartMultationRegistry() actor.MutationRegistry {
 		actor.NewMutation(CreateCheckoutOrder, func() *messages.CreateCheckoutOrder {
 			return &messages.CreateCheckoutOrder{}
 		}),
+		actor.NewMutation(AddGiftcard, func() *messages.AddGiftcard {
+			return &messages.AddGiftcard{}
+		}),
+		actor.NewMutation(RemoveGiftcard, func() *messages.RemoveGiftcard {
+			return &messages.RemoveGiftcard{}
+		}),
 	)
 	return reg
 

pkg/cart/mutation_add_giftcard.go

@@ -0,0 +1,41 @@
+package cart
+
+import (
+	"encoding/json"
+	"fmt"
+
+	messages "git.tornberg.me/go-cart-actor/pkg/messages"
+	"google.golang.org/protobuf/proto"
+)
+
+func AddGiftcard(grain *CartGrain, req *messages.AddGiftcard) error {
+	if req.Giftcard == nil {
+		return fmt.Errorf("giftcard cannot be nil")
+	}
+	if req.Giftcard.Value <= 0 {
+		return fmt.Errorf("giftcard value must be positive")
+	}
+	grain.lastGiftcardId++
+	designConfig := json.RawMessage{}
+	if req.Giftcard.DesignConfig != nil {
+		// Convert Any to RawMessage
+		data, err := proto.Marshal(req.Giftcard.DesignConfig)
+		if err != nil {
+			return fmt.Errorf("failed to marshal designConfig: %w", err)
+		}
+		designConfig = data
+	}
+	value := NewPriceFromIncVat(req.Giftcard.Value, 25) // Assuming 25% tax; adjust as needed
+	item := &GiftcardItem{
+		Id:            grain.lastGiftcardId,
+		Value:         *value,
+		DeliveryDate:  req.Giftcard.DeliveryDate,
+		Recipient:     req.Giftcard.Recipient,
+		RecipientType: req.Giftcard.RecipientType,
+		Message:       req.Giftcard.Message,
+		DesignConfig:  designConfig,
+	}
+	grain.Giftcards = append(grain.Giftcards, item)
+	grain.UpdateTotals()
+	return nil
+}

pkg/cart/mutation_remove_giftcard.go

@@ -0,0 +1,18 @@
+package cart
+
+import (
+	"fmt"
+
+	messages "git.tornberg.me/go-cart-actor/pkg/messages"
+)
+
+func RemoveGiftcard(grain *CartGrain, req *messages.RemoveGiftcard) error {
+	for i, item := range grain.Giftcards {
+		if item.Id == req.Id {
+			grain.Giftcards = append(grain.Giftcards[:i], grain.Giftcards[i+1:]...)
+			grain.UpdateTotals()
+			return nil
+		}
+	}
+	return fmt.Errorf("giftcard with ID %d not found", req.Id)
+}

pkg/cart/mutation_test.go

@@ -113,6 +113,23 @@ func msgCreateCheckoutOrder(terms, country string) *messages.CreateCheckoutOrder
 	return &messages.CreateCheckoutOrder{Terms: terms, Country: country}
 }
 
+func msgAddGiftcard(value int64, deliveryDate, recipient, recipientType, message string, designConfig *anypb.Any) *messages.AddGiftcard {
+	return &messages.AddGiftcard{
+		Giftcard: &messages.GiftcardItem{
+			Value:         value,
+			DeliveryDate:  deliveryDate,
+			Recipient:     recipient,
+			RecipientType: recipientType,
+			Message:       message,
+			DesignConfig:  designConfig,
+		},
+	}
+}
+
+func msgRemoveGiftcard(id uint32) *messages.RemoveGiftcard {
+	return &messages.RemoveGiftcard{Id: id}
+}
+
 func ptr[T any](v T) *T { return &v }
 
 // ----------------------
@@ -181,6 +198,8 @@ func TestMutationRegistryCoverage(t *testing.T) {
 		"PaymentDeclined",
 		"ConfirmationViewed",
 		"CreateCheckoutOrder",
+		"AddGiftcard",
+		"RemoveGiftcard",
 	}
 
 	names := reg.(*actor.ProtoMutationRegistry).RegisteredMutations()
@@ -675,7 +694,7 @@ func TestConfirmationViewed(t *testing.T) {
 
 	// Initial state
 	if g.Confirmation != nil {
-		t.Fatalf("confirmation should be nil, got %d", g.Confirmation)
+		t.Fatalf("confirmation should be nil, got %v", g.Confirmation)
 	}
 
 	// First view
@@ -717,3 +736,43 @@ func TestCreateCheckoutOrder(t *testing.T) {
 	// Terms not accepted
 	applyErrorContains(t, reg, g, msgCreateCheckoutOrder("no", ""), "terms must be accepted")
 }
+
+func TestAddGiftcard(t *testing.T) {
+	reg := newRegistry()
+	g := newTestGrain()
+
+	designConfig, _ := anypb.New(&messages.AddItem{}) // example
+	applyOK(t, reg, g, msgAddGiftcard(5000, "2023-12-25", "John", "email", "Happy Birthday!", designConfig))
+
+	if len(g.Giftcards) != 1 {
+		t.Fatalf("expected 1 giftcard, got %d", len(g.Giftcards))
+	}
+	gc := g.Giftcards[0]
+	if gc.Value.IncVat != 5000 || gc.DeliveryDate != "2023-12-25" || gc.Recipient != "John" || gc.RecipientType != "email" || gc.Message != "Happy Birthday!" {
+		t.Fatalf("giftcard not set correctly: %+v", gc)
+	}
+	if g.TotalPrice.IncVat != 5000 {
+		t.Fatalf("total price not updated, got %d", g.TotalPrice.IncVat)
+	}
+
+	// Test invalid value
+	applyErrorContains(t, reg, g, msgAddGiftcard(0, "", "", "", "", nil), "must be positive")
+}
+
+func TestRemoveGiftcard(t *testing.T) {
+	reg := newRegistry()
+	g := newTestGrain()
+
+	applyOK(t, reg, g, msgAddGiftcard(1000, "2023-01-01", "Jane", "sms", "Cheers!", nil))
+	id := g.Giftcards[0].Id
+
+	applyOK(t, reg, g, msgRemoveGiftcard(id))
+	if len(g.Giftcards) != 0 {
+		t.Fatalf("giftcard not removed")
+	}
+	if g.TotalPrice.IncVat != 0 {
+		t.Fatalf("total price not updated after removal, got %d", g.TotalPrice.IncVat)
+	}
+
+	applyErrorContains(t, reg, g, msgRemoveGiftcard(id), "not found")
+}

pkg/messages/messages.pb.go

@@ -1530,6 +1530,178 @@ func (x *PreConditionFailed) GetInput() *anypb.Any {
 	return nil
 }
 
+type GiftcardItem struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Value         int64                  `protobuf:"varint,1,opt,name=value,proto3" json:"value,omitempty"`
+	DeliveryDate  string                 `protobuf:"bytes,2,opt,name=deliveryDate,proto3" json:"deliveryDate,omitempty"`
+	Recipient     string                 `protobuf:"bytes,3,opt,name=recipient,proto3" json:"recipient,omitempty"`
+	RecipientType string                 `protobuf:"bytes,4,opt,name=recipientType,proto3" json:"recipientType,omitempty"`
+	Message       string                 `protobuf:"bytes,5,opt,name=message,proto3" json:"message,omitempty"`
+	DesignConfig  *anypb.Any             `protobuf:"bytes,6,opt,name=designConfig,proto3,oneof" json:"designConfig,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *GiftcardItem) Reset() {
+	*x = GiftcardItem{}
+	mi := &file_messages_proto_msgTypes[23]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *GiftcardItem) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GiftcardItem) ProtoMessage() {}
+
+func (x *GiftcardItem) ProtoReflect() protoreflect.Message {
+	mi := &file_messages_proto_msgTypes[23]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GiftcardItem.ProtoReflect.Descriptor instead.
+func (*GiftcardItem) Descriptor() ([]byte, []int) {
+	return file_messages_proto_rawDescGZIP(), []int{23}
+}
+
+func (x *GiftcardItem) GetValue() int64 {
+	if x != nil {
+		return x.Value
+	}
+	return 0
+}
+
+func (x *GiftcardItem) GetDeliveryDate() string {
+	if x != nil {
+		return x.DeliveryDate
+	}
+	return ""
+}
+
+func (x *GiftcardItem) GetRecipient() string {
+	if x != nil {
+		return x.Recipient
+	}
+	return ""
+}
+
+func (x *GiftcardItem) GetRecipientType() string {
+	if x != nil {
+		return x.RecipientType
+	}
+	return ""
+}
+
+func (x *GiftcardItem) GetMessage() string {
+	if x != nil {
+		return x.Message
+	}
+	return ""
+}
+
+func (x *GiftcardItem) GetDesignConfig() *anypb.Any {
+	if x != nil {
+		return x.DesignConfig
+	}
+	return nil
+}
+
+type AddGiftcard struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Giftcard      *GiftcardItem          `protobuf:"bytes,1,opt,name=giftcard,proto3" json:"giftcard,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *AddGiftcard) Reset() {
+	*x = AddGiftcard{}
+	mi := &file_messages_proto_msgTypes[24]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *AddGiftcard) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AddGiftcard) ProtoMessage() {}
+
+func (x *AddGiftcard) ProtoReflect() protoreflect.Message {
+	mi := &file_messages_proto_msgTypes[24]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AddGiftcard.ProtoReflect.Descriptor instead.
+func (*AddGiftcard) Descriptor() ([]byte, []int) {
+	return file_messages_proto_rawDescGZIP(), []int{24}
+}
+
+func (x *AddGiftcard) GetGiftcard() *GiftcardItem {
+	if x != nil {
+		return x.Giftcard
+	}
+	return nil
+}
+
+type RemoveGiftcard struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Id            uint32                 `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *RemoveGiftcard) Reset() {
+	*x = RemoveGiftcard{}
+	mi := &file_messages_proto_msgTypes[25]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *RemoveGiftcard) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RemoveGiftcard) ProtoMessage() {}
+
+func (x *RemoveGiftcard) ProtoReflect() protoreflect.Message {
+	mi := &file_messages_proto_msgTypes[25]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RemoveGiftcard.ProtoReflect.Descriptor instead.
+func (*RemoveGiftcard) Descriptor() ([]byte, []int) {
+	return file_messages_proto_rawDescGZIP(), []int{25}
+}
+
+func (x *RemoveGiftcard) GetId() uint32 {
+	if x != nil {
+		return x.Id
+	}
+	return 0
+}
+
 var File_messages_proto protoreflect.FileDescriptor
 
 var file_messages_proto_rawDesc = string([]byte{
@@ -1717,11 +1889,33 @@ var file_messages_proto_rawDesc = string([]byte{
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+	0x33,
 })
 
 var (
@@ -1736,7 +1930,7 @@ func file_messages_proto_rawDescGZIP() []byte {
 	return file_messages_proto_rawDescData
 }
 
-var file_messages_proto_msgTypes = make([]protoimpl.MessageInfo, 23)
+var file_messages_proto_msgTypes = make([]protoimpl.MessageInfo, 26)
 var file_messages_proto_goTypes = []any{
 	(*ClearCartRequest)(nil),          // 0: messages.ClearCartRequest
 	(*AddItem)(nil),                   // 1: messages.AddItem
@@ -1761,17 +1955,22 @@ var file_messages_proto_goTypes = []any{
 	(*RemoveVoucher)(nil),             // 20: messages.RemoveVoucher
 	(*UpsertSubscriptionDetails)(nil), // 21: messages.UpsertSubscriptionDetails
 	(*PreConditionFailed)(nil),        // 22: messages.PreConditionFailed
-	(*anypb.Any)(nil),                 // 23: google.protobuf.Any
+	(*GiftcardItem)(nil),              // 23: messages.GiftcardItem
+	(*AddGiftcard)(nil),               // 24: messages.AddGiftcard
+	(*RemoveGiftcard)(nil),            // 25: messages.RemoveGiftcard
+	(*anypb.Any)(nil),                 // 26: google.protobuf.Any
 }
 var file_messages_proto_depIdxs = []int32{
 	6,  // 0: messages.SetDelivery.pickupPoint:type_name -> messages.PickupPoint
-	23, // 1: messages.UpsertSubscriptionDetails.data:type_name -> google.protobuf.Any
+	26, // 1: messages.UpsertSubscriptionDetails.data:type_name -> google.protobuf.Any
-	23, // 2: messages.PreConditionFailed.input:type_name -> google.protobuf.Any
+	26, // 2: messages.PreConditionFailed.input:type_name -> google.protobuf.Any
-	3,  // [3:3] is the sub-list for method output_type
+	26, // 3: messages.GiftcardItem.designConfig:type_name -> google.protobuf.Any
-	3,  // [3:3] is the sub-list for method input_type
+	23, // 4: messages.AddGiftcard.giftcard:type_name -> messages.GiftcardItem
-	3,  // [3:3] is the sub-list for extension type_name
+	5,  // [5:5] is the sub-list for method output_type
-	3,  // [3:3] is the sub-list for extension extendee
+	5,  // [5:5] is the sub-list for method input_type
-	0,  // [0:3] is the sub-list for field type_name
+	5,  // [5:5] is the sub-list for extension type_name
+	5,  // [5:5] is the sub-list for extension extendee
+	0,  // [0:5] is the sub-list for field type_name
 }
 
 func init() { file_messages_proto_init() }
@@ -1786,13 +1985,14 @@ func file_messages_proto_init() {
 	file_messages_proto_msgTypes[12].OneofWrappers = []any{}
 	file_messages_proto_msgTypes[18].OneofWrappers = []any{}
 	file_messages_proto_msgTypes[21].OneofWrappers = []any{}
+	file_messages_proto_msgTypes[23].OneofWrappers = []any{}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: unsafe.Slice(unsafe.StringData(file_messages_proto_rawDesc), len(file_messages_proto_rawDesc)),
 			NumEnums:      0,
-			NumMessages:   23,
+			NumMessages:   26,
 			NumExtensions: 0,
 			NumServices:   0,
 		},

proto/messages.proto

@@ -152,3 +152,20 @@ message PreConditionFailed {
   string error = 2;
   google.protobuf.Any input = 3;
 }
+
+message GiftcardItem {
+  int64 value = 1;
+  string deliveryDate = 2;
+  string recipient = 3;
+  string recipientType = 4;
+  string message = 5;
+  optional google.protobuf.Any designConfig = 6;
+}
+
+message AddGiftcard {
+  GiftcardItem giftcard = 1;
+}
+
+message RemoveGiftcard {
+  uint32 id = 1;
+}