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checkoutservice: money proto migration

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Signed-off-by: Ahmet Alp Balkan <ahmetb@google.com>
This commit is contained in:
Ahmet Alp Balkan 2018-06-27 13:25:32 -07:00
parent 3d22afac72
commit f5dc3dd056
6 changed files with 523 additions and 309 deletions
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359
src/checkoutservice/genproto/demo.pb.go
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@ -35,7 +35,7 @@ func (m *CartItem) Reset() { *m = CartItem{} }
func (m *CartItem) String() string { return proto.CompactTextString(m) }
func (*CartItem) ProtoMessage() {}
func (*CartItem) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{0}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{0}
}
func (m *CartItem) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_CartItem.Unmarshal(m, b)
@ -81,7 +81,7 @@ func (m *AddItemRequest) Reset() { *m = AddItemRequest{} }
func (m *AddItemRequest) String() string { return proto.CompactTextString(m) }
func (*AddItemRequest) ProtoMessage() {}
func (*AddItemRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{1}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{1}
}
func (m *AddItemRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_AddItemRequest.Unmarshal(m, b)
@ -126,7 +126,7 @@ func (m *EmptyCartRequest) Reset() { *m = EmptyCartRequest{} }
func (m *EmptyCartRequest) String() string { return proto.CompactTextString(m) }
func (*EmptyCartRequest) ProtoMessage() {}
func (*EmptyCartRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{2}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{2}
}
func (m *EmptyCartRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_EmptyCartRequest.Unmarshal(m, b)
@ -164,7 +164,7 @@ func (m *GetCartRequest) Reset() { *m = GetCartRequest{} }
func (m *GetCartRequest) String() string { return proto.CompactTextString(m) }
func (*GetCartRequest) ProtoMessage() {}
func (*GetCartRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{3}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{3}
}
func (m *GetCartRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_GetCartRequest.Unmarshal(m, b)
@ -203,7 +203,7 @@ func (m *Cart) Reset() { *m = Cart{} }
func (m *Cart) String() string { return proto.CompactTextString(m) }
func (*Cart) ProtoMessage() {}
func (*Cart) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{4}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{4}
}
func (m *Cart) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Cart.Unmarshal(m, b)
@ -247,7 +247,7 @@ func (m *Empty) Reset() { *m = Empty{} }
func (m *Empty) String() string { return proto.CompactTextString(m) }
func (*Empty) ProtoMessage() {}
func (*Empty) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{5}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{5}
}
func (m *Empty) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Empty.Unmarshal(m, b)
@ -279,7 +279,7 @@ func (m *ListRecommendationsRequest) Reset() { *m = ListRecommendationsR
func (m *ListRecommendationsRequest) String() string { return proto.CompactTextString(m) }
func (*ListRecommendationsRequest) ProtoMessage() {}
func (*ListRecommendationsRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{6}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{6}
}
func (m *ListRecommendationsRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_ListRecommendationsRequest.Unmarshal(m, b)
@ -324,7 +324,7 @@ func (m *ListRecommendationsResponse) Reset() { *m = ListRecommendations
func (m *ListRecommendationsResponse) String() string { return proto.CompactTextString(m) }
func (*ListRecommendationsResponse) ProtoMessage() {}
func (*ListRecommendationsResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{7}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{7}
}
func (m *ListRecommendationsResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_ListRecommendationsResponse.Unmarshal(m, b)
@ -352,21 +352,21 @@ func (m *ListRecommendationsResponse) GetProductIds() []string {
}
type Product struct {
Id string `protobuf:"bytes,1,opt,name=id" json:"id,omitempty"`
Name string `protobuf:"bytes,2,opt,name=name" json:"name,omitempty"`
Description string `protobuf:"bytes,3,opt,name=description" json:"description,omitempty"`
Picture string `protobuf:"bytes,4,opt,name=picture" json:"picture,omitempty"`
PriceUsd *MoneyAmount `protobuf:"bytes,5,opt,name=price_usd,json=priceUsd" json:"price_usd,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
Id string `protobuf:"bytes,1,opt,name=id" json:"id,omitempty"`
Name string `protobuf:"bytes,2,opt,name=name" json:"name,omitempty"`
Description string `protobuf:"bytes,3,opt,name=description" json:"description,omitempty"`
Picture string `protobuf:"bytes,4,opt,name=picture" json:"picture,omitempty"`
PriceUsd *Money `protobuf:"bytes,5,opt,name=price_usd,json=priceUsd" json:"price_usd,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *Product) Reset() { *m = Product{} }
func (m *Product) String() string { return proto.CompactTextString(m) }
func (*Product) ProtoMessage() {}
func (*Product) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{8}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{8}
}
func (m *Product) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Product.Unmarshal(m, b)
@ -414,7 +414,7 @@ func (m *Product) GetPicture() string {
return ""
}
func (m *Product) GetPriceUsd() *MoneyAmount {
func (m *Product) GetPriceUsd() *Money {
if m != nil {
return m.PriceUsd
}
@ -432,7 +432,7 @@ func (m *ListProductsResponse) Reset() { *m = ListProductsResponse{} }
func (m *ListProductsResponse) String() string { return proto.CompactTextString(m) }
func (*ListProductsResponse) ProtoMessage() {}
func (*ListProductsResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{9}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{9}
}
func (m *ListProductsResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_ListProductsResponse.Unmarshal(m, b)
@ -470,7 +470,7 @@ func (m *GetProductRequest) Reset() { *m = GetProductRequest{} }
func (m *GetProductRequest) String() string { return proto.CompactTextString(m) }
func (*GetProductRequest) ProtoMessage() {}
func (*GetProductRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{10}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{10}
}
func (m *GetProductRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_GetProductRequest.Unmarshal(m, b)
@ -508,7 +508,7 @@ func (m *SearchProductsRequest) Reset() { *m = SearchProductsRequest{} }
func (m *SearchProductsRequest) String() string { return proto.CompactTextString(m) }
func (*SearchProductsRequest) ProtoMessage() {}
func (*SearchProductsRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{11}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{11}
}
func (m *SearchProductsRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_SearchProductsRequest.Unmarshal(m, b)
@ -546,7 +546,7 @@ func (m *SearchProductsResponse) Reset() { *m = SearchProductsResponse{}
func (m *SearchProductsResponse) String() string { return proto.CompactTextString(m) }
func (*SearchProductsResponse) ProtoMessage() {}
func (*SearchProductsResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{12}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{12}
}
func (m *SearchProductsResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_SearchProductsResponse.Unmarshal(m, b)
@ -585,7 +585,7 @@ func (m *GetQuoteRequest) Reset() { *m = GetQuoteRequest{} }
func (m *GetQuoteRequest) String() string { return proto.CompactTextString(m) }
func (*GetQuoteRequest) ProtoMessage() {}
func (*GetQuoteRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{13}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{13}
}
func (m *GetQuoteRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_GetQuoteRequest.Unmarshal(m, b)
@ -620,17 +620,17 @@ func (m *GetQuoteRequest) GetItems() []*CartItem {
}
type GetQuoteResponse struct {
CostUsd *MoneyAmount `protobuf:"bytes,1,opt,name=cost_usd,json=costUsd" json:"cost_usd,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
CostUsd *Money `protobuf:"bytes,1,opt,name=cost_usd,json=costUsd" json:"cost_usd,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *GetQuoteResponse) Reset() { *m = GetQuoteResponse{} }
func (m *GetQuoteResponse) String() string { return proto.CompactTextString(m) }
func (*GetQuoteResponse) ProtoMessage() {}
func (*GetQuoteResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{14}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{14}
}
func (m *GetQuoteResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_GetQuoteResponse.Unmarshal(m, b)
@ -650,7 +650,7 @@ func (m *GetQuoteResponse) XXX_DiscardUnknown() {
var xxx_messageInfo_GetQuoteResponse proto.InternalMessageInfo
func (m *GetQuoteResponse) GetCostUsd() *MoneyAmount {
func (m *GetQuoteResponse) GetCostUsd() *Money {
if m != nil {
return m.CostUsd
}
@ -669,7 +669,7 @@ func (m *ShipOrderRequest) Reset() { *m = ShipOrderRequest{} }
func (m *ShipOrderRequest) String() string { return proto.CompactTextString(m) }
func (*ShipOrderRequest) ProtoMessage() {}
func (*ShipOrderRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{15}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{15}
}
func (m *ShipOrderRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_ShipOrderRequest.Unmarshal(m, b)
@ -714,7 +714,7 @@ func (m *ShipOrderResponse) Reset() { *m = ShipOrderResponse{} }
func (m *ShipOrderResponse) String() string { return proto.CompactTextString(m) }
func (*ShipOrderResponse) ProtoMessage() {}
func (*ShipOrderResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{16}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{16}
}
func (m *ShipOrderResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_ShipOrderResponse.Unmarshal(m, b)
@ -756,7 +756,7 @@ func (m *Address) Reset() { *m = Address{} }
func (m *Address) String() string { return proto.CompactTextString(m) }
func (*Address) ProtoMessage() {}
func (*Address) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{17}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{17}
}
func (m *Address) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Address.Unmarshal(m, b)
@ -811,68 +811,30 @@ func (m *Address) GetZipCode() int32 {
return 0
}
// Describes a money amount without currency. For example, decimal=2 and
// fractional=500 (or fractional=5) makes up 2.5 units.
type MoneyAmount struct {
Decimal uint32 `protobuf:"varint,1,opt,name=decimal" json:"decimal,omitempty"`
Fractional uint32 `protobuf:"varint,2,opt,name=fractional" json:"fractional,omitempty"`
// Represents an amount of money with its currency type.
type Money struct {
// The 3-letter currency code defined in ISO 4217.
CurrencyCode string `protobuf:"bytes,1,opt,name=currency_code,json=currencyCode" json:"currency_code,omitempty"`
// The whole units of the amount.
// For example if `currencyCode` is `"USD"`, then 1 unit is one US dollar.
Units int64 `protobuf:"varint,2,opt,name=units" json:"units,omitempty"`
// Number of nano (10^-9) units of the amount.
// The value must be between -999,999,999 and +999,999,999 inclusive.
// If `units` is positive, `nanos` must be positive or zero.
// If `units` is zero, `nanos` can be positive, zero, or negative.
// If `units` is negative, `nanos` must be negative or zero.
// For example $-1.75 is represented as `units`=-1 and `nanos`=-750,000,000.
Nanos int32 `protobuf:"varint,3,opt,name=nanos" json:"nanos,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *MoneyAmount) Reset() { *m = MoneyAmount{} }
func (m *MoneyAmount) String() string { return proto.CompactTextString(m) }
func (*MoneyAmount) ProtoMessage() {}
func (*MoneyAmount) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{18}
}
func (m *MoneyAmount) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_MoneyAmount.Unmarshal(m, b)
}
func (m *MoneyAmount) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_MoneyAmount.Marshal(b, m, deterministic)
}
func (dst *MoneyAmount) XXX_Merge(src proto.Message) {
xxx_messageInfo_MoneyAmount.Merge(dst, src)
}
func (m *MoneyAmount) XXX_Size() int {
return xxx_messageInfo_MoneyAmount.Size(m)
}
func (m *MoneyAmount) XXX_DiscardUnknown() {
xxx_messageInfo_MoneyAmount.DiscardUnknown(m)
}
var xxx_messageInfo_MoneyAmount proto.InternalMessageInfo
func (m *MoneyAmount) GetDecimal() uint32 {
if m != nil {
return m.Decimal
}
return 0
}
func (m *MoneyAmount) GetFractional() uint32 {
if m != nil {
return m.Fractional
}
return 0
}
type Money struct {
// The 3-letter currency code defined in ISO 4217.
CurrencyCode string `protobuf:"bytes,1,opt,name=currency_code,json=currencyCode" json:"currency_code,omitempty"`
Amount *MoneyAmount `protobuf:"bytes,2,opt,name=amount" json:"amount,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *Money) Reset() { *m = Money{} }
func (m *Money) String() string { return proto.CompactTextString(m) }
func (*Money) ProtoMessage() {}
func (*Money) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{19}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{18}
}
func (m *Money) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Money.Unmarshal(m, b)
@ -899,11 +861,18 @@ func (m *Money) GetCurrencyCode() string {
return ""
}
func (m *Money) GetAmount() *MoneyAmount {
func (m *Money) GetUnits() int64 {
if m != nil {
return m.Amount
return m.Units
}
return nil
return 0
}
func (m *Money) GetNanos() int32 {
if m != nil {
return m.Nanos
}
return 0
}
type GetSupportedCurrenciesResponse struct {
@ -918,7 +887,7 @@ func (m *GetSupportedCurrenciesResponse) Reset() { *m = GetSupportedCurr
func (m *GetSupportedCurrenciesResponse) String() string { return proto.CompactTextString(m) }
func (*GetSupportedCurrenciesResponse) ProtoMessage() {}
func (*GetSupportedCurrenciesResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{20}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{19}
}
func (m *GetSupportedCurrenciesResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_GetSupportedCurrenciesResponse.Unmarshal(m, b)
@ -958,7 +927,7 @@ func (m *CurrencyConversionRequest) Reset() { *m = CurrencyConversionReq
func (m *CurrencyConversionRequest) String() string { return proto.CompactTextString(m) }
func (*CurrencyConversionRequest) ProtoMessage() {}
func (*CurrencyConversionRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{21}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{20}
}
func (m *CurrencyConversionRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_CurrencyConversionRequest.Unmarshal(m, b)
@ -1006,7 +975,7 @@ func (m *CreditCardInfo) Reset() { *m = CreditCardInfo{} }
func (m *CreditCardInfo) String() string { return proto.CompactTextString(m) }
func (*CreditCardInfo) ProtoMessage() {}
func (*CreditCardInfo) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{22}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{21}
}
func (m *CreditCardInfo) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_CreditCardInfo.Unmarshal(m, b)
@ -1066,7 +1035,7 @@ func (m *ChargeRequest) Reset() { *m = ChargeRequest{} }
func (m *ChargeRequest) String() string { return proto.CompactTextString(m) }
func (*ChargeRequest) ProtoMessage() {}
func (*ChargeRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{23}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{22}
}
func (m *ChargeRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_ChargeRequest.Unmarshal(m, b)
@ -1111,7 +1080,7 @@ func (m *ChargeResponse) Reset() { *m = ChargeResponse{} }
func (m *ChargeResponse) String() string { return proto.CompactTextString(m) }
func (*ChargeResponse) ProtoMessage() {}
func (*ChargeResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{24}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{23}
}
func (m *ChargeResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_ChargeResponse.Unmarshal(m, b)
@ -1150,7 +1119,7 @@ func (m *OrderItem) Reset() { *m = OrderItem{} }
func (m *OrderItem) String() string { return proto.CompactTextString(m) }
func (*OrderItem) ProtoMessage() {}
func (*OrderItem) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{25}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{24}
}
func (m *OrderItem) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_OrderItem.Unmarshal(m, b)
@ -1199,7 +1168,7 @@ func (m *OrderResult) Reset() { *m = OrderResult{} }
func (m *OrderResult) String() string { return proto.CompactTextString(m) }
func (*OrderResult) ProtoMessage() {}
func (*OrderResult) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{26}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{25}
}
func (m *OrderResult) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_OrderResult.Unmarshal(m, b)
@ -1266,7 +1235,7 @@ func (m *SendOrderConfirmationRequest) Reset() { *m = SendOrderConfirmat
func (m *SendOrderConfirmationRequest) String() string { return proto.CompactTextString(m) }
func (*SendOrderConfirmationRequest) ProtoMessage() {}
func (*SendOrderConfirmationRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{27}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{26}
}
func (m *SendOrderConfirmationRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_SendOrderConfirmationRequest.Unmarshal(m, b)
@ -1313,7 +1282,7 @@ func (m *CreateOrderRequest) Reset() { *m = CreateOrderRequest{} }
func (m *CreateOrderRequest) String() string { return proto.CompactTextString(m) }
func (*CreateOrderRequest) ProtoMessage() {}
func (*CreateOrderRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{28}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{27}
}
func (m *CreateOrderRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_CreateOrderRequest.Unmarshal(m, b)
@ -1366,7 +1335,7 @@ func (m *CreateOrderResponse) Reset() { *m = CreateOrderResponse{} }
func (m *CreateOrderResponse) String() string { return proto.CompactTextString(m) }
func (*CreateOrderResponse) ProtoMessage() {}
func (*CreateOrderResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{29}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{28}
}
func (m *CreateOrderResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_CreateOrderResponse.Unmarshal(m, b)
@ -1415,7 +1384,7 @@ func (m *PlaceOrderRequest) Reset() { *m = PlaceOrderRequest{} }
func (m *PlaceOrderRequest) String() string { return proto.CompactTextString(m) }
func (*PlaceOrderRequest) ProtoMessage() {}
func (*PlaceOrderRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{30}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{29}
}
func (m *PlaceOrderRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_PlaceOrderRequest.Unmarshal(m, b)
@ -1481,7 +1450,7 @@ func (m *PlaceOrderResponse) Reset() { *m = PlaceOrderResponse{} }
func (m *PlaceOrderResponse) String() string { return proto.CompactTextString(m) }
func (*PlaceOrderResponse) ProtoMessage() {}
func (*PlaceOrderResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_40506d781b7ed975, []int{31}
return fileDescriptor_demo_be349a9cb1cf0a0c, []int{30}
}
func (m *PlaceOrderResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_PlaceOrderResponse.Unmarshal(m, b)
@ -1527,7 +1496,6 @@ func init() {
proto.RegisterType((*ShipOrderRequest)(nil), "hipstershop.ShipOrderRequest")
proto.RegisterType((*ShipOrderResponse)(nil), "hipstershop.ShipOrderResponse")
proto.RegisterType((*Address)(nil), "hipstershop.Address")
proto.RegisterType((*MoneyAmount)(nil), "hipstershop.MoneyAmount")
proto.RegisterType((*Money)(nil), "hipstershop.Money")
proto.RegisterType((*GetSupportedCurrenciesResponse)(nil), "hipstershop.GetSupportedCurrenciesResponse")
proto.RegisterType((*CurrencyConversionRequest)(nil), "hipstershop.CurrencyConversionRequest")
@ -2294,100 +2262,99 @@ var _CheckoutService_serviceDesc = grpc.ServiceDesc{
Metadata: "demo.proto",
}
func init() { proto.RegisterFile("demo.proto", fileDescriptor_demo_40506d781b7ed975) }
func init() { proto.RegisterFile("demo.proto", fileDescriptor_demo_be349a9cb1cf0a0c) }
var fileDescriptor_demo_40506d781b7ed975 = []byte{
// 1466 bytes of a gzipped FileDescriptorProto
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0x00, 0x00,
}

27
src/checkoutservice/main.go
View file

@ -13,6 +13,7 @@ import (
"google.golang.org/grpc/status"
pb "./genproto"
money "./money"
)
const (
@ -71,10 +72,7 @@ func (cs *checkoutService) CreateOrder(ctx context.Context, req *pb.CreateOrderR
if err != nil {
return nil, status.Errorf(codes.Internal, "shipping quote failure: %+v", err)
}
resp.ShippingCost = &pb.Money{
Amount: shippingQuoteUSD,
CurrencyCode: "USD",
}
resp.ShippingCost = shippingQuoteUSD
// TODO(ahmetb) convert to req.UserCurrency
// TODO(ahmetb) calculate resp.OrderItem with req.UserCurrency
return resp, nil
@ -102,20 +100,20 @@ func (cs *checkoutService) PlaceOrder(ctx context.Context, req *pb.PlaceOrderReq
if err != nil {
return nil, status.Errorf(codes.Internal, "shipping quote failure: %+v", err)
}
shippingPrice, err := cs.convertCurrency(ctx, &pb.Money{
Amount: shippingUsd,
CurrencyCode: usdCurrency}, req.UserCurrency)
shippingPrice, err := cs.convertCurrency(ctx, shippingUsd, req.UserCurrency)
if err != nil {
return nil, status.Errorf(codes.Internal, "failed to convert shipping cost to currency: %+v", err)
}
var totalPrice pb.Money
totalPrice = sumMoney(totalPrice, *shippingPrice)
total := pb.Money{CurrencyCode: req.UserCurrency,
Units: 0,
Nanos: 0}
total = money.Must(money.Sum(total, *shippingPrice))
for _, it := range orderItems {
totalPrice = sumMoney(totalPrice, *it.Cost)
total = money.Must(money.Sum(total, *it.Cost))
}
txID, err := cs.chargeCard(ctx, &totalPrice, req.CreditCard)
txID, err := cs.chargeCard(ctx, &total, req.CreditCard)
if err != nil {
return nil, status.Errorf(codes.Internal, "failed to charge card: %+v", err)
}
@ -143,7 +141,7 @@ func (cs *checkoutService) PlaceOrder(ctx context.Context, req *pb.PlaceOrderReq
return resp, nil
}
func (cs *checkoutService) quoteShipping(ctx context.Context, address *pb.Address, items []*pb.CartItem) (*pb.MoneyAmount, error) {
func (cs *checkoutService) quoteShipping(ctx context.Context, address *pb.Address, items []*pb.CartItem) (*pb.Money, error) {
conn, err := grpc.DialContext(ctx, cs.shippingSvcAddr, grpc.WithInsecure())
if err != nil {
return nil, fmt.Errorf("could not connect shipping service: %+v", err)
@ -189,10 +187,7 @@ func (cs *checkoutService) prepOrderItems(ctx context.Context, items []*pb.CartI
if err != nil {
return nil, fmt.Errorf("failed to get product #%q", item.GetProductId())
}
usdPrice := &pb.Money{
Amount: product.GetPriceUsd(),
CurrencyCode: usdCurrency}
price, err := cs.convertCurrency(ctx, usdPrice, userCurrency)
price, err := cs.convertCurrency(ctx, product.GetPriceUsd(), userCurrency)
if err != nil {
return nil, fmt.Errorf("failed to convert price of %q to %s", item.GetProductId(), userCurrency)
}

44
src/checkoutservice/money.go
View file

@ -1,44 +0,0 @@
package main
import (
"math"
pb "./genproto"
)
func sum(m1, m2 pb.MoneyAmount) pb.MoneyAmount {
f1, f2 := float64(m1.Fractional), float64(m2.Fractional)
lg1 := math.Max(1, math.Ceil(math.Log10(f1)))
if f1 == math.Pow(10, lg1) {
lg1++
}
lg2 := math.Max(1, math.Ceil(math.Log10(f2)))
if f2 == math.Pow(10, lg2) {
lg2++
}
lgMax := math.Max(lg1, lg2)
dSum := m1.Decimal + m2.Decimal
o1 := f1 * math.Pow(10, lgMax-lg1)
o2 := f2 * math.Pow(10, lgMax-lg2)
fSum := o1 + o2
if fSum >= math.Pow(10, lgMax) {
fSum -= math.Pow(10, lgMax)
dSum++
}
for int(fSum)%10 == 0 && fSum != 0 {
fSum = float64(int(fSum) / 10)
}
return pb.MoneyAmount{
Decimal: dSum,
Fractional: uint32(fSum)}
}
func sumMoney(m1, m2 pb.Money) pb.Money {
s := sum(*m1.Amount, *m2.Amount)
return pb.Money{
Amount: &s,
CurrencyCode: m1.CurrencyCode}
}

118
src/checkoutservice/money/money.go Normal file
View file

@ -0,0 +1,118 @@
package money
import (
"errors"
pb "../genproto"
)
const (
nanosMin = -999999999
nanosMax = +999999999
nanosMod = 1000000000
)
var (
ErrInvalidValue = errors.New("one of the specified money values is invalid")
ErrMismatchingCurrency = errors.New("mismatching currency codes")
)
// IsValid checks if specified value has a valid units/nanos signs and ranges.
func IsValid(m pb.Money) bool {
return signMatches(m) && validNanos(m.GetNanos())
}
func signMatches(m pb.Money) bool {
return m.GetNanos() == 0 || m.GetUnits() == 0 || (m.GetNanos() < 0) == (m.GetUnits() < 0)
}
func validNanos(nanos int32) bool { return nanosMin <= nanos && nanos <= nanosMax }
// IsZero returns true if the specified money value is equal to zero.
func IsZero(m pb.Money) bool { return m.GetUnits() == 0 && m.GetNanos() == 0 }
// IsPositive returns true if the specified money value is valid and is
// positive.
func IsPositive(m pb.Money) bool {
return IsValid(m) && m.GetUnits() > 0 || (m.GetUnits() == 0 && m.GetNanos() > 0)
}
// IsNegative returns true if the specified money value is valid and is
// negative.
func IsNegative(m pb.Money) bool {
return IsValid(m) && m.GetUnits() < 0 || (m.GetUnits() == 0 && m.GetNanos() < 0)
}
// AreSameCurrency returns true if values l and r have a currency code and
// they are the same values.
func AreSameCurrency(l, r pb.Money) bool {
return l.GetCurrencyCode() == r.GetCurrencyCode() && l.GetCurrencyCode() != ""
}
// AreEquals returns true if values l and r are the equal, including the
// currency. This does not check validity of the provided values.
func AreEquals(l, r pb.Money) bool {
return l.GetCurrencyCode() == r.GetCurrencyCode() &&
l.GetUnits() == r.GetUnits() && l.GetNanos() == r.GetNanos()
}
// Negate returns the same amount with the sign negated.
func Negate(m pb.Money) pb.Money {
return pb.Money{
Units: -m.GetUnits(),
Nanos: -m.GetNanos(),
CurrencyCode: m.GetCurrencyCode()}
}
// Must panics if the given error is not nil. This can be used with other
// functions like: "m := Must(Sum(a,b))".
func Must(v pb.Money, err error) pb.Money {
if err != nil {
panic(err)
}
return v
}
// Sum adds two values. Returns an error if one of the values are invalid or
// currency codes are not matching (unless currency code is unspecified for
// both).
func Sum(l, r pb.Money) (pb.Money, error) {
if !IsValid(l) || !IsValid(r) {
return pb.Money{}, ErrInvalidValue
} else if l.GetCurrencyCode() != r.GetCurrencyCode() {
return pb.Money{}, ErrMismatchingCurrency
}
units := l.GetUnits() + r.GetUnits()
nanos := l.GetNanos() + r.GetNanos()
if (units == 0 && nanos == 0) || (units > 0 && nanos >= 0) || (units < 0 && nanos <= 0) {
// same sign <units, nanos>
units += int64(nanos / nanosMod)
nanos = nanos % nanosMod
} else {
// different sign. nanos guaranteed to not to go over the limit
if units > 0 {
units--
nanos += nanosMod
} else {
units++
nanos -= nanosMod
}
}
return pb.Money{
Units: units,
Nanos: nanos,
CurrencyCode: l.GetCurrencyCode()}, nil
}
// MultiplySlow is a slow multiplication operation done through adding the value
// to itself n-1 times.
func MultiplySlow(m pb.Money, n uint32) pb.Money {
out := m
for n > 1 {
out = Must(Sum(out, m))
n--
}
return out
}

231
src/checkoutservice/money/money_test.go Normal file
View file

@ -0,0 +1,231 @@
package money
import (
"fmt"
"reflect"
"testing"
pb "../genproto"
)
func mmc(u int64, n int32, c string) pb.Money { return pb.Money{Units: u, Nanos: n, CurrencyCode: c} }
func mm(u int64, n int32) pb.Money { return mmc(u, n, "") }
func TestIsValid(t *testing.T) {
tests := []struct {
name string
in pb.Money
want bool
}{
{"valid -/-", mm(-981273891273, -999999999), true},
{"invalid -/+", mm(-981273891273, +999999999), false},
{"valid +/+", mm(981273891273, 999999999), true},
{"invalid +/-", mm(981273891273, -999999999), false},
{"invalid +/+overflow", mm(3, 1000000000), false},
{"invalid +/-overflow", mm(3, -1000000000), false},
{"invalid -/+overflow", mm(-3, 1000000000), false},
{"invalid -/-overflow", mm(-3, -1000000000), false},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := IsValid(tt.in); got != tt.want {
t.Errorf("IsValid(%v) = %v, want %v", tt.in, got, tt.want)
}
})
}
}
func TestIsZero(t *testing.T) {
tests := []struct {
name string
in pb.Money
want bool
}{
{"zero", mm(0, 0), true},
{"not-zero (-/+)", mm(-1, +1), false},
{"not-zero (-/-)", mm(-1, -1), false},
{"not-zero (+/+)", mm(+1, +1), false},
{"not-zero (+/-)", mm(+1, -1), false},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := IsZero(tt.in); got != tt.want {
t.Errorf("IsZero(%v) = %v, want %v", tt.in, got, tt.want)
}
})
}
}
func TestIsPositive(t *testing.T) {
tests := []struct {
name string
in pb.Money
want bool
}{
{"zero", mm(0, 0), false},
{"positive (+/+)", mm(+1, +1), true},
{"invalid (-/+)", mm(-1, +1), false},
{"negative (-/-)", mm(-1, -1), false},
{"invalid (+/-)", mm(+1, -1), false},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := IsPositive(tt.in); got != tt.want {
t.Errorf("IsPositive(%v) = %v, want %v", tt.in, got, tt.want)
}
})
}
}
func TestIsNegative(t *testing.T) {
tests := []struct {
name string
in pb.Money
want bool
}{
{"zero", mm(0, 0), false},
{"positive (+/+)", mm(+1, +1), false},
{"invalid (-/+)", mm(-1, +1), false},
{"negative (-/-)", mm(-1, -1), true},
{"invalid (+/-)", mm(+1, -1), false},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := IsNegative(tt.in); got != tt.want {
t.Errorf("IsNegative(%v) = %v, want %v", tt.in, got, tt.want)
}
})
}
}
func TestAreSameCurrency(t *testing.T) {
type args struct {
l pb.Money
r pb.Money
}
tests := []struct {
name string
args args
want bool
}{
{"both empty currency", args{mmc(1, 0, ""), mmc(2, 0, "")}, false},
{"left empty currency", args{mmc(1, 0, ""), mmc(2, 0, "USD")}, false},
{"right empty currency", args{mmc(1, 0, "USD"), mmc(2, 0, "")}, false},
{"mismatching", args{mmc(1, 0, "USD"), mmc(2, 0, "CAD")}, false},
{"matching", args{mmc(1, 0, "USD"), mmc(2, 0, "USD")}, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := AreSameCurrency(tt.args.l, tt.args.r); got != tt.want {
t.Errorf("AreSameCurrency([%v],[%v]) = %v, want %v", tt.args.l, tt.args.r, got, tt.want)
}
})
}
}
func TestAreEquals(t *testing.T) {
type args struct {
l pb.Money
r pb.Money
}
tests := []struct {
name string
args args
want bool
}{
{"equals", args{mmc(1, 2, "USD"), mmc(1, 2, "USD")}, true},
{"mismatching currency", args{mmc(1, 2, "USD"), mmc(1, 2, "CAD")}, false},
{"mismatching units", args{mmc(10, 20, "USD"), mmc(1, 20, "USD")}, false},
{"mismatching nanos", args{mmc(1, 2, "USD"), mmc(1, 20, "USD")}, false},
{"negated", args{mmc(1, 2, "USD"), mmc(-1, -2, "USD")}, false},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := AreEquals(tt.args.l, tt.args.r); got != tt.want {
t.Errorf("AreEquals([%v],[%v]) = %v, want %v", tt.args.l, tt.args.r, got, tt.want)
}
})
}
}
func TestNegate(t *testing.T) {
tests := []struct {
name string
in pb.Money
want pb.Money
}{
{"zero", mm(0, 0), mm(0, 0)},
{"negative", mm(-1, -200), mm(1, 200)},
{"positive", mm(1, 200), mm(-1, -200)},
{"carries currency code", mmc(0, 0, "XXX"), mmc(0, 0, "XXX")},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := Negate(tt.in); !AreEquals(got, tt.want) {
t.Errorf("Negate([%v]) = %v, want %v", tt.in, got, tt.want)
}
})
}
}
func TestMust_pass(t *testing.T) {
v := Must(mm(2, 3), nil)
if !AreEquals(v, mm(2, 3)) {
t.Errorf("returned the wrong value: %v", v)
}
}
func TestMust_panic(t *testing.T) {
defer func() {
if r := recover(); r != nil {
t.Logf("panic captured: %v", r)
}
}()
Must(mm(2, 3), fmt.Errorf("some error"))
t.Fatal("this should not have executed due to the panic above")
}
func TestSum(t *testing.T) {
type args struct {
l pb.Money
r pb.Money
}
tests := []struct {
name string
args args
want pb.Money
wantErr error
}{
{"0+0=0", args{mm(0, 0), mm(0, 0)}, mm(0, 0), nil},
{"Error: currency code on left", args{mmc(0, 0, "XXX"), mm(0, 0)}, mm(0, 0), ErrMismatchingCurrency},
{"Error: currency code on right", args{mm(0, 0), mmc(0, 0, "YYY")}, mm(0, 0), ErrMismatchingCurrency},
{"Error: currency code mismatch", args{mmc(0, 0, "AAA"), mmc(0, 0, "BBB")}, mm(0, 0), ErrMismatchingCurrency},
{"Error: invalid +/-", args{mm(+1, -1), mm(0, 0)}, mm(0, 0), ErrInvalidValue},
{"Error: invalid -/+", args{mm(0, 0), mm(-1, +2)}, mm(0, 0), ErrInvalidValue},
{"Error: invalid nanos", args{mm(0, 1000000000), mm(1, 0)}, mm(0, 0), ErrInvalidValue},
{"both positive (no carry)", args{mm(2, 200000000), mm(2, 200000000)}, mm(4, 400000000), nil},
{"both positive (nanos=max)", args{mm(2, 111111111), mm(2, 888888888)}, mm(4, 999999999), nil},
{"both positive (carry)", args{mm(2, 200000000), mm(2, 900000000)}, mm(5, 100000000), nil},
{"both negative (no carry)", args{mm(-2, -200000000), mm(-2, -200000000)}, mm(-4, -400000000), nil},
{"both negative (carry)", args{mm(-2, -200000000), mm(-2, -900000000)}, mm(-5, -100000000), nil},
{"mixed (larger positive, just decimals)", args{mm(11, 0), mm(-2, 0)}, mm(9, 0), nil},
{"mixed (larger negative, just decimals)", args{mm(-11, 0), mm(2, 0)}, mm(-9, 0), nil},
{"mixed (larger positive, no borrow)", args{mm(11, 100000000), mm(-2, -100000000)}, mm(9, 0), nil},
{"mixed (larger positive, with borrow)", args{mm(11, 100000000), mm(-2, -9000000 /*.09*/)}, mm(9, 91000000 /*.091*/), nil},
{"mixed (larger negative, no borrow)", args{mm(-11, -100000000), mm(2, 100000000)}, mm(-9, 0), nil},
{"mixed (larger negative, with borrow)", args{mm(-11, -100000000), mm(2, 9000000 /*.09*/)}, mm(-9, -91000000 /*.091*/), nil},
{"0+negative", args{mm(0, 0), mm(-2, -100000000)}, mm(-2, -100000000), nil},
{"negative+0", args{mm(-2, -100000000), mm(0, 0)}, mm(-2, -100000000), nil},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := Sum(tt.args.l, tt.args.r)
if err != tt.wantErr {
t.Errorf("Sum([%v],[%v]): expected err=\"%v\" got=\"%v\"", tt.args.l, tt.args.r, tt.wantErr, err)
}
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("Sum([%v],[%v]) = %v, want %v", tt.args.l, tt.args.r, got, tt.want)
}
})
}
}

53
src/checkoutservice/money_test.go
View file

@ -1,53 +0,0 @@
package main
import (
"reflect"
"testing"
pb "./genproto"
)
func Test_sum(t *testing.T) {
type args struct {
m1 pb.MoneyAmount
m2 pb.MoneyAmount
}
tests := []struct {
name string
args args
want pb.MoneyAmount
}{
{
name: "no fractions",
args: args{pb.MoneyAmount{Decimal: 10}, pb.MoneyAmount{Decimal: 100}},
want: pb.MoneyAmount{Decimal: 110},
},
{
name: "same fraction digits",
args: args{pb.MoneyAmount{Decimal: 1, Fractional: 23}, pb.MoneyAmount{Decimal: 1, Fractional: 44}},
want: pb.MoneyAmount{Decimal: 2, Fractional: 67},
},
{
name: "different fraction digits",
args: args{pb.MoneyAmount{Decimal: 1, Fractional: 351}, pb.MoneyAmount{Decimal: 1, Fractional: 1}},
want: pb.MoneyAmount{Decimal: 2, Fractional: 451},
},
{
name: "redundant trailing zeroes are removed from fraction",
args: args{pb.MoneyAmount{Decimal: 1, Fractional: 351}, pb.MoneyAmount{Decimal: 1, Fractional: 349}},
want: pb.MoneyAmount{Decimal: 2, Fractional: 7},
},
{
name: "carry",
args: args{pb.MoneyAmount{Decimal: 1, Fractional: 5}, pb.MoneyAmount{Decimal: 1, Fractional: 5000000}},
want: pb.MoneyAmount{Decimal: 3},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := sum(tt.args.m1, tt.args.m2); !reflect.DeepEqual(got, tt.want) {
t.Errorf("sum(%v+%v) = %v, want=%v", tt.args.m1, tt.args.m2, got, tt.want)
}
})
}
}