voucher change

cmd/cart/main.go

@@ -149,7 +149,7 @@ func main() {
 	} else {
 		conn, err := amqp.Dial(amqpUrl)
 		if err != nil {
-			fmt.Errorf("failed to connect to RabbitMQ: %w", err)
+			log.Fatalf("failed to connect to RabbitMQ: %w", err)
 		}
 
 		amqpListener := actor.NewAmqpListener(conn, func(id uint64, msg []actor.ApplyResult) (any, error) {

cmd/cart/pool-server.go

@@ -456,6 +456,10 @@ func (s *PoolServer) AddVoucherHandler(w http.ResponseWriter, r *http.Request, c
 	v := voucher.Service{}
 	msg, err := v.GetVoucher(data.VoucherCode)
 	if err != nil {
+		s.ApplyLocal(cartId, &messages.PreConditionFailed{
+			Operation: "AddVoucher",
+			Error:     err.Error(),
+		})
 		w.WriteHeader(http.StatusInternalServerError)
 		w.Write([]byte(err.Error()))
 		return err

pkg/cart/cart-mutation-helper.go

@@ -45,6 +45,9 @@ func NewCartMultationRegistry() actor.MutationRegistry {
 		actor.NewMutation(UpsertSubscriptionDetails, func() *messages.UpsertSubscriptionDetails {
 			return &messages.UpsertSubscriptionDetails{}
 		}),
+		actor.NewMutation(PreConditionFailed, func() *messages.PreConditionFailed {
+			return &messages.PreConditionFailed{}
+		}),
 	)
 	return reg
 

pkg/cart/mutation_precondition.go

@@ -0,0 +1,7 @@
+package cart
+
+import messages "git.tornberg.me/go-cart-actor/pkg/messages"
+
+func PreConditionFailed(g *CartGrain, m *messages.PreConditionFailed) error {
+	return nil
+}

pkg/messages/control_plane.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.36.5
-// 	protoc        v5.29.3
+// 	protoc-gen-go v1.36.10
+// 	protoc        v6.32.1
 // source: control_plane.proto
 
 package messages
@@ -453,65 +453,38 @@ func (x *ExpiryAnnounce) GetIds() []uint64 {
 
 var File_control_plane_proto protoreflect.FileDescriptor
 
-var file_control_plane_proto_rawDesc = string([]byte{
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-})
+const file_control_plane_proto_rawDesc = "" +
+	"\n" +
+	"\x13control_plane.proto\x12\bmessages\"\a\n" +
+	"\x05Empty\"<\n" +
+	"\tPingReply\x12\x12\n" +
+	"\x04host\x18\x01 \x01(\tR\x04host\x12\x1b\n" +
+	"\tunix_time\x18\x02 \x01(\x03R\bunixTime\"3\n" +
+	"\x10NegotiateRequest\x12\x1f\n" +
+	"\vknown_hosts\x18\x01 \x03(\tR\n" +
+	"knownHosts\"&\n" +
+	"\x0eNegotiateReply\x12\x14\n" +
+	"\x05hosts\x18\x01 \x03(\tR\x05hosts\"!\n" +
+	"\rActorIdsReply\x12\x10\n" +
+	"\x03ids\x18\x01 \x03(\x04R\x03ids\"F\n" +
+	"\x0eOwnerChangeAck\x12\x1a\n" +
+	"\baccepted\x18\x01 \x01(\bR\baccepted\x12\x18\n" +
+	"\amessage\x18\x02 \x01(\tR\amessage\"#\n" +
+	"\rClosingNotice\x12\x12\n" +
+	"\x04host\x18\x01 \x01(\tR\x04host\"9\n" +
+	"\x11OwnershipAnnounce\x12\x12\n" +
+	"\x04host\x18\x01 \x01(\tR\x04host\x12\x10\n" +
+	"\x03ids\x18\x02 \x03(\x04R\x03ids\"6\n" +
+	"\x0eExpiryAnnounce\x12\x12\n" +
+	"\x04host\x18\x01 \x01(\tR\x04host\x12\x10\n" +
+	"\x03ids\x18\x02 \x03(\x04R\x03ids2\x8d\x03\n" +
+	"\fControlPlane\x12,\n" +
+	"\x04Ping\x12\x0f.messages.Empty\x1a\x13.messages.PingReply\x12A\n" +
+	"\tNegotiate\x12\x1a.messages.NegotiateRequest\x1a\x18.messages.NegotiateReply\x12<\n" +
+	"\x10GetLocalActorIds\x12\x0f.messages.Empty\x1a\x17.messages.ActorIdsReply\x12J\n" +
+	"\x11AnnounceOwnership\x12\x1b.messages.OwnershipAnnounce\x1a\x18.messages.OwnerChangeAck\x12D\n" +
+	"\x0eAnnounceExpiry\x12\x18.messages.ExpiryAnnounce\x1a\x18.messages.OwnerChangeAck\x12<\n" +
+	"\aClosing\x12\x17.messages.ClosingNotice\x1a\x18.messages.OwnerChangeAckB.Z,git.tornberg.me/go-cart-actor/proto;messagesb\x06proto3"
 
 var (
 	file_control_plane_proto_rawDescOnce sync.Once

pkg/messages/control_plane_grpc.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
 // - protoc-gen-go-grpc v1.5.1
-// - protoc             v5.29.3
+// - protoc             v6.32.1
 // source: control_plane.proto
 
 package messages

pkg/messages/messages.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.36.5
-// 	protoc        v5.29.3
+// 	protoc-gen-go v1.36.10
+// 	protoc        v6.32.1
 // source: messages.proto
 
 package messages
@@ -1166,167 +1166,198 @@ func (x *UpsertSubscriptionDetails) GetData() *anypb.Any {
 	return nil
 }
 
+type PreConditionFailed struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Operation     string                 `protobuf:"bytes,1,opt,name=operation,proto3" json:"operation,omitempty"`
+	Error         string                 `protobuf:"bytes,2,opt,name=error,proto3" json:"error,omitempty"`
+	Input         *anypb.Any             `protobuf:"bytes,3,opt,name=input,proto3" json:"input,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *PreConditionFailed) Reset() {
+	*x = PreConditionFailed{}
+	mi := &file_messages_proto_msgTypes[16]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *PreConditionFailed) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*PreConditionFailed) ProtoMessage() {}
+
+func (x *PreConditionFailed) ProtoReflect() protoreflect.Message {
+	mi := &file_messages_proto_msgTypes[16]
+	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 PreConditionFailed.ProtoReflect.Descriptor instead.
+func (*PreConditionFailed) Descriptor() ([]byte, []int) {
+	return file_messages_proto_rawDescGZIP(), []int{16}
+}
+
+func (x *PreConditionFailed) GetOperation() string {
+	if x != nil {
+		return x.Operation
+	}
+	return ""
+}
+
+func (x *PreConditionFailed) GetError() string {
+	if x != nil {
+		return x.Error
+	}
+	return ""
+}
+
+func (x *PreConditionFailed) GetInput() *anypb.Any {
+	if x != nil {
+		return x.Input
+	}
+	return nil
+}
+
 var File_messages_proto protoreflect.FileDescriptor
 
-var file_messages_proto_rawDesc = string([]byte{
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-})
+const file_messages_proto_rawDesc = "" +
+	"\n" +
+	"\x0emessages.proto\x12\bmessages\x1a\x19google/protobuf/any.proto\"\x12\n" +
+	"\x10ClearCartRequest\"\xb7\x05\n" +
+	"\aAddItem\x12\x17\n" +
+	"\aitem_id\x18\x01 \x01(\rR\x06itemId\x12\x1a\n" +
+	"\bquantity\x18\x02 \x01(\x05R\bquantity\x12\x14\n" +
+	"\x05price\x18\x03 \x01(\x03R\x05price\x12\x1a\n" +
+	"\borgPrice\x18\t \x01(\x03R\borgPrice\x12\x10\n" +
+	"\x03sku\x18\x04 \x01(\tR\x03sku\x12\x12\n" +
+	"\x04name\x18\x05 \x01(\tR\x04name\x12\x14\n" +
+	"\x05image\x18\x06 \x01(\tR\x05image\x12\x14\n" +
+	"\x05stock\x18\a \x01(\x05R\x05stock\x12\x10\n" +
+	"\x03tax\x18\b \x01(\x05R\x03tax\x12\x14\n" +
+	"\x05brand\x18\r \x01(\tR\x05brand\x12\x1a\n" +
+	"\bcategory\x18\x0e \x01(\tR\bcategory\x12\x1c\n" +
+	"\tcategory2\x18\x0f \x01(\tR\tcategory2\x12\x1c\n" +
+	"\tcategory3\x18\x10 \x01(\tR\tcategory3\x12\x1c\n" +
+	"\tcategory4\x18\x11 \x01(\tR\tcategory4\x12\x1c\n" +
+	"\tcategory5\x18\x12 \x01(\tR\tcategory5\x12\x1e\n" +
+	"\n" +
+	"disclaimer\x18\n" +
+	" \x01(\tR\n" +
+	"disclaimer\x12 \n" +
+	"\varticleType\x18\v \x01(\tR\varticleType\x12\x1a\n" +
+	"\bsellerId\x18\x13 \x01(\tR\bsellerId\x12\x1e\n" +
+	"\n" +
+	"sellerName\x18\x14 \x01(\tR\n" +
+	"sellerName\x12\x18\n" +
+	"\acountry\x18\x15 \x01(\tR\acountry\x12\x1e\n" +
+	"\n" +
+	"saleStatus\x18\x18 \x01(\tR\n" +
+	"saleStatus\x12\x1b\n" +
+	"\x06outlet\x18\f \x01(\tH\x00R\x06outlet\x88\x01\x01\x12\x1d\n" +
+	"\astoreId\x18\x16 \x01(\tH\x01R\astoreId\x88\x01\x01\x12\x1f\n" +
+	"\bparentId\x18\x17 \x01(\rH\x02R\bparentId\x88\x01\x01B\t\n" +
+	"\a_outletB\n" +
+	"\n" +
+	"\b_storeIdB\v\n" +
+	"\t_parentId\"\x1c\n" +
+	"\n" +
+	"RemoveItem\x12\x0e\n" +
+	"\x02Id\x18\x01 \x01(\rR\x02Id\"<\n" +
+	"\x0eChangeQuantity\x12\x0e\n" +
+	"\x02Id\x18\x01 \x01(\rR\x02Id\x12\x1a\n" +
+	"\bquantity\x18\x02 \x01(\x05R\bquantity\"\x86\x02\n" +
+	"\vSetDelivery\x12\x1a\n" +
+	"\bprovider\x18\x01 \x01(\tR\bprovider\x12\x14\n" +
+	"\x05items\x18\x02 \x03(\rR\x05items\x12<\n" +
+	"\vpickupPoint\x18\x03 \x01(\v2\x15.messages.PickupPointH\x00R\vpickupPoint\x88\x01\x01\x12\x18\n" +
+	"\acountry\x18\x04 \x01(\tR\acountry\x12\x10\n" +
+	"\x03zip\x18\x05 \x01(\tR\x03zip\x12\x1d\n" +
+	"\aaddress\x18\x06 \x01(\tH\x01R\aaddress\x88\x01\x01\x12\x17\n" +
+	"\x04city\x18\a \x01(\tH\x02R\x04city\x88\x01\x01B\x0e\n" +
+	"\f_pickupPointB\n" +
+	"\n" +
+	"\b_addressB\a\n" +
+	"\x05_city\"\xf9\x01\n" +
+	"\x0eSetPickupPoint\x12\x1e\n" +
+	"\n" +
+	"deliveryId\x18\x01 \x01(\rR\n" +
+	"deliveryId\x12\x0e\n" +
+	"\x02id\x18\x02 \x01(\tR\x02id\x12\x17\n" +
+	"\x04name\x18\x03 \x01(\tH\x00R\x04name\x88\x01\x01\x12\x1d\n" +
+	"\aaddress\x18\x04 \x01(\tH\x01R\aaddress\x88\x01\x01\x12\x17\n" +
+	"\x04city\x18\x05 \x01(\tH\x02R\x04city\x88\x01\x01\x12\x15\n" +
+	"\x03zip\x18\x06 \x01(\tH\x03R\x03zip\x88\x01\x01\x12\x1d\n" +
+	"\acountry\x18\a \x01(\tH\x04R\acountry\x88\x01\x01B\a\n" +
+	"\x05_nameB\n" +
+	"\n" +
+	"\b_addressB\a\n" +
+	"\x05_cityB\x06\n" +
+	"\x04_zipB\n" +
+	"\n" +
+	"\b_country\"\xd6\x01\n" +
+	"\vPickupPoint\x12\x0e\n" +
+	"\x02id\x18\x01 \x01(\tR\x02id\x12\x17\n" +
+	"\x04name\x18\x02 \x01(\tH\x00R\x04name\x88\x01\x01\x12\x1d\n" +
+	"\aaddress\x18\x03 \x01(\tH\x01R\aaddress\x88\x01\x01\x12\x17\n" +
+	"\x04city\x18\x04 \x01(\tH\x02R\x04city\x88\x01\x01\x12\x15\n" +
+	"\x03zip\x18\x05 \x01(\tH\x03R\x03zip\x88\x01\x01\x12\x1d\n" +
+	"\acountry\x18\x06 \x01(\tH\x04R\acountry\x88\x01\x01B\a\n" +
+	"\x05_nameB\n" +
+	"\n" +
+	"\b_addressB\a\n" +
+	"\x05_cityB\x06\n" +
+	"\x04_zipB\n" +
+	"\n" +
+	"\b_country\" \n" +
+	"\x0eRemoveDelivery\x12\x0e\n" +
+	"\x02id\x18\x01 \x01(\rR\x02id\"\xb9\x01\n" +
+	"\x13CreateCheckoutOrder\x12\x14\n" +
+	"\x05terms\x18\x01 \x01(\tR\x05terms\x12\x1a\n" +
+	"\bcheckout\x18\x02 \x01(\tR\bcheckout\x12\"\n" +
+	"\fconfirmation\x18\x03 \x01(\tR\fconfirmation\x12\x12\n" +
+	"\x04push\x18\x04 \x01(\tR\x04push\x12\x1e\n" +
+	"\n" +
+	"validation\x18\x05 \x01(\tR\n" +
+	"validation\x12\x18\n" +
+	"\acountry\x18\x06 \x01(\tR\acountry\"@\n" +
+	"\fOrderCreated\x12\x18\n" +
+	"\aorderId\x18\x01 \x01(\tR\aorderId\x12\x16\n" +
+	"\x06status\x18\x02 \x01(\tR\x06status\"\x06\n" +
+	"\x04Noop\"t\n" +
+	"\x12InitializeCheckout\x12\x18\n" +
+	"\aorderId\x18\x01 \x01(\tR\aorderId\x12\x16\n" +
+	"\x06status\x18\x02 \x01(\tR\x06status\x12,\n" +
+	"\x11paymentInProgress\x18\x03 \x01(\bR\x11paymentInProgress\"y\n" +
+	"\vVoucherRule\x12\x12\n" +
+	"\x04type\x18\x02 \x01(\tR\x04type\x12 \n" +
+	"\vdescription\x18\x03 \x01(\tR\vdescription\x12\x1c\n" +
+	"\tcondition\x18\x04 \x01(\tR\tcondition\x12\x16\n" +
+	"\x06action\x18\x05 \x01(\tR\x06action\"q\n" +
+	"\n" +
+	"AddVoucher\x12\x12\n" +
+	"\x04code\x18\x01 \x01(\tR\x04code\x12\x14\n" +
+	"\x05value\x18\x02 \x01(\x03R\x05value\x129\n" +
+	"\fvoucherRules\x18\x03 \x03(\v2\x15.messages.VoucherRuleR\fvoucherRules\"\x1f\n" +
+	"\rRemoveVoucher\x12\x0e\n" +
+	"\x02id\x18\x01 \x01(\rR\x02id\"\xa7\x01\n" +
+	"\x19UpsertSubscriptionDetails\x12\x13\n" +
+	"\x02id\x18\x01 \x01(\tH\x00R\x02id\x88\x01\x01\x12\"\n" +
+	"\fofferingCode\x18\x02 \x01(\tR\fofferingCode\x12 \n" +
+	"\vsigningType\x18\x03 \x01(\tR\vsigningType\x12(\n" +
+	"\x04data\x18\x04 \x01(\v2\x14.google.protobuf.AnyR\x04dataB\x05\n" +
+	"\x03_id\"t\n" +
+	"\x12PreConditionFailed\x12\x1c\n" +
+	"\toperation\x18\x01 \x01(\tR\toperation\x12\x14\n" +
+	"\x05error\x18\x02 \x01(\tR\x05error\x12*\n" +
+	"\x05input\x18\x03 \x01(\v2\x14.google.protobuf.AnyR\x05inputB.Z,git.tornberg.me/go-cart-actor/proto;messagesb\x06proto3"
 
 var (
 	file_messages_proto_rawDescOnce sync.Once
@@ -1340,7 +1371,7 @@ func file_messages_proto_rawDescGZIP() []byte {
 	return file_messages_proto_rawDescData
 }
 
-var file_messages_proto_msgTypes = make([]protoimpl.MessageInfo, 16)
+var file_messages_proto_msgTypes = make([]protoimpl.MessageInfo, 17)
 var file_messages_proto_goTypes = []any{
 	(*ClearCartRequest)(nil),          // 0: messages.ClearCartRequest
 	(*AddItem)(nil),                   // 1: messages.AddItem
@@ -1358,17 +1389,19 @@ var file_messages_proto_goTypes = []any{
 	(*AddVoucher)(nil),                // 13: messages.AddVoucher
 	(*RemoveVoucher)(nil),             // 14: messages.RemoveVoucher
 	(*UpsertSubscriptionDetails)(nil), // 15: messages.UpsertSubscriptionDetails
-	(*anypb.Any)(nil),                 // 16: google.protobuf.Any
+	(*PreConditionFailed)(nil),        // 16: messages.PreConditionFailed
+	(*anypb.Any)(nil),                 // 17: google.protobuf.Any
 }
 var file_messages_proto_depIdxs = []int32{
 	6,  // 0: messages.SetDelivery.pickupPoint:type_name -> messages.PickupPoint
 	12, // 1: messages.AddVoucher.voucherRules:type_name -> messages.VoucherRule
-	16, // 2: messages.UpsertSubscriptionDetails.data:type_name -> google.protobuf.Any
-	3,  // [3:3] is the sub-list for method output_type
-	3,  // [3:3] is the sub-list for method input_type
-	3,  // [3:3] is the sub-list for extension type_name
-	3,  // [3:3] is the sub-list for extension extendee
-	0,  // [0:3] is the sub-list for field type_name
+	17, // 2: messages.UpsertSubscriptionDetails.data:type_name -> google.protobuf.Any
+	17, // 3: messages.PreConditionFailed.input:type_name -> google.protobuf.Any
+	4,  // [4:4] is the sub-list for method output_type
+	4,  // [4:4] is the sub-list for method input_type
+	4,  // [4:4] is the sub-list for extension type_name
+	4,  // [4:4] is the sub-list for extension extendee
+	0,  // [0:4] is the sub-list for field type_name
 }
 
 func init() { file_messages_proto_init() }
@@ -1387,7 +1420,7 @@ func file_messages_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: unsafe.Slice(unsafe.StringData(file_messages_proto_rawDesc), len(file_messages_proto_rawDesc)),
 			NumEnums:      0,
-			NumMessages:   16,
+			NumMessages:   17,
 			NumExtensions: 0,
 			NumServices:   0,
 		},

pkg/voucher/service.go

@@ -1,7 +1,10 @@
 package voucher
 
 import (
+	"encoding/json"
 	"errors"
+	"fmt"
+	"os"
 
 	"git.tornberg.me/go-cart-actor/pkg/messages"
 )
@@ -12,11 +15,9 @@ type Rule struct {
 }
 
 type Voucher struct {
-	Code     string `json:"code"`
-	Value    int64  `json:"discount"`
-	TaxValue int64  `json:"taxValue"`
-	TaxRate  int    `json:"taxRate"`
-	rules    []Rule `json:"rules"`
+	Code  string                  `json:"code"`
+	Value int64                   `json:"discount"`
+	rules []*messages.VoucherRule `json:"rules"`
 }
 
 type Service struct {
@@ -29,10 +30,51 @@ func (s *Service) GetVoucher(code string) (*messages.AddVoucher, error) {
 	if code == "" {
 		return nil, ErrInvalidCode
 	}
-	value := int64(250_00)
+	sf, err := LoadStateFile("data/vouchers.json")
+	if err != nil {
+		return nil, err
+	}
+	v, ok := sf.GetVoucher(code)
+	if !ok {
+		return nil, fmt.Errorf("no voucher found for code: %s", code)
+	}
+
 	return &messages.AddVoucher{
 		Code:         code,
-		Value:        value,
-		VoucherRules: make([]*messages.VoucherRule, 0),
+		Value:        v.Value,
+		VoucherRules: v.rules,
 	}, nil
 }
+
+type State struct {
+	Vouchers []Voucher `json:"vouchers"`
+}
+
+type StateFile struct {
+	State   State `json:"state"`
+	Vercion int   `json:"version"`
+}
+
+func (sf *StateFile) GetVoucher(code string) (*Voucher, bool) {
+	for _, v := range sf.State.Vouchers {
+		if v.Code == code {
+			return &v, true
+		}
+	}
+	return nil, false
+}
+
+func LoadStateFile(fileName string) (*StateFile, error) {
+	f, err := os.Open(fileName)
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+	dec := json.NewDecoder(f)
+	sf := &StateFile{}
+	err = dec.Decode(sf)
+	if err != nil {
+		return nil, err
+	}
+	return sf, nil
+}

proto/messages.proto

@@ -119,10 +119,14 @@ message RemoveVoucher {
 }
 
 message UpsertSubscriptionDetails {
-
-      optional string id = 1;
-      string offeringCode = 2;
-      string signingType    = 3;
-      google.protobuf.Any data = 4;
-
+    optional string id = 1;
+    string offeringCode = 2;
+    string signingType    = 3;
+    google.protobuf.Any data = 4;
+}
+
+message PreConditionFailed {
+    string operation = 1;
+    string error = 2;
+    google.protobuf.Any input = 3;
 }