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Merge pull request #25 from ahmetb/frontend-ads

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frontend: add integration for adservice
This commit is contained in:
Ahmet Alp Balkan 2018-08-17 09:10:50 -07:00 committed by GitHub
commit 3c86418822
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GPG key ID: 4AEE18F83AFDEB23
8 changed files with 374 additions and 121 deletions
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2
kubernetes-manifests/frontend.yaml
View file

@ -56,6 +56,8 @@ spec:
value: "shippingservice:50051"
- name: CHECKOUT_SERVICE_ADDR
value: "checkoutservice:5050"
- name: AD_SERVICE_ADDR
value: "adservice:9555"
resources:
requests:
cpu: 100m

438
src/frontend/genproto/demo.pb.go
View file

@ -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_e1d03823e14b5fb0, []int{0}
return fileDescriptor_demo_c812a73334c7ff0d, []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_e1d03823e14b5fb0, []int{1}
return fileDescriptor_demo_c812a73334c7ff0d, []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_e1d03823e14b5fb0, []int{2}
return fileDescriptor_demo_c812a73334c7ff0d, []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_e1d03823e14b5fb0, []int{3}
return fileDescriptor_demo_c812a73334c7ff0d, []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_e1d03823e14b5fb0, []int{4}
return fileDescriptor_demo_c812a73334c7ff0d, []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_e1d03823e14b5fb0, []int{5}
return fileDescriptor_demo_c812a73334c7ff0d, []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_e1d03823e14b5fb0, []int{6}
return fileDescriptor_demo_c812a73334c7ff0d, []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_e1d03823e14b5fb0, []int{7}
return fileDescriptor_demo_c812a73334c7ff0d, []int{7}
}
func (m *ListRecommendationsResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_ListRecommendationsResponse.Unmarshal(m, b)
@ -366,7 +366,7 @@ 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_e1d03823e14b5fb0, []int{8}
return fileDescriptor_demo_c812a73334c7ff0d, []int{8}
}
func (m *Product) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Product.Unmarshal(m, b)
@ -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_e1d03823e14b5fb0, []int{9}
return fileDescriptor_demo_c812a73334c7ff0d, []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_e1d03823e14b5fb0, []int{10}
return fileDescriptor_demo_c812a73334c7ff0d, []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_e1d03823e14b5fb0, []int{11}
return fileDescriptor_demo_c812a73334c7ff0d, []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_e1d03823e14b5fb0, []int{12}
return fileDescriptor_demo_c812a73334c7ff0d, []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_e1d03823e14b5fb0, []int{13}
return fileDescriptor_demo_c812a73334c7ff0d, []int{13}
}
func (m *GetQuoteRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_GetQuoteRequest.Unmarshal(m, b)
@ -630,7 +630,7 @@ 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_e1d03823e14b5fb0, []int{14}
return fileDescriptor_demo_c812a73334c7ff0d, []int{14}
}
func (m *GetQuoteResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_GetQuoteResponse.Unmarshal(m, b)
@ -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_e1d03823e14b5fb0, []int{15}
return fileDescriptor_demo_c812a73334c7ff0d, []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_e1d03823e14b5fb0, []int{16}
return fileDescriptor_demo_c812a73334c7ff0d, []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_e1d03823e14b5fb0, []int{17}
return fileDescriptor_demo_c812a73334c7ff0d, []int{17}
}
func (m *Address) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Address.Unmarshal(m, b)
@ -834,7 +834,7 @@ 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_e1d03823e14b5fb0, []int{18}
return fileDescriptor_demo_c812a73334c7ff0d, []int{18}
}
func (m *Money) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Money.Unmarshal(m, b)
@ -887,7 +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_e1d03823e14b5fb0, []int{19}
return fileDescriptor_demo_c812a73334c7ff0d, []int{19}
}
func (m *GetSupportedCurrenciesResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_GetSupportedCurrenciesResponse.Unmarshal(m, b)
@ -927,7 +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_e1d03823e14b5fb0, []int{20}
return fileDescriptor_demo_c812a73334c7ff0d, []int{20}
}
func (m *CurrencyConversionRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_CurrencyConversionRequest.Unmarshal(m, b)
@ -975,7 +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_e1d03823e14b5fb0, []int{21}
return fileDescriptor_demo_c812a73334c7ff0d, []int{21}
}
func (m *CreditCardInfo) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_CreditCardInfo.Unmarshal(m, b)
@ -1035,7 +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_e1d03823e14b5fb0, []int{22}
return fileDescriptor_demo_c812a73334c7ff0d, []int{22}
}
func (m *ChargeRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_ChargeRequest.Unmarshal(m, b)
@ -1080,7 +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_e1d03823e14b5fb0, []int{23}
return fileDescriptor_demo_c812a73334c7ff0d, []int{23}
}
func (m *ChargeResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_ChargeResponse.Unmarshal(m, b)
@ -1119,7 +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_e1d03823e14b5fb0, []int{24}
return fileDescriptor_demo_c812a73334c7ff0d, []int{24}
}
func (m *OrderItem) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_OrderItem.Unmarshal(m, b)
@ -1168,7 +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_e1d03823e14b5fb0, []int{25}
return fileDescriptor_demo_c812a73334c7ff0d, []int{25}
}
func (m *OrderResult) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_OrderResult.Unmarshal(m, b)
@ -1235,7 +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_e1d03823e14b5fb0, []int{26}
return fileDescriptor_demo_c812a73334c7ff0d, []int{26}
}
func (m *SendOrderConfirmationRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_SendOrderConfirmationRequest.Unmarshal(m, b)
@ -1284,7 +1284,7 @@ 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_e1d03823e14b5fb0, []int{27}
return fileDescriptor_demo_c812a73334c7ff0d, []int{27}
}
func (m *PlaceOrderRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_PlaceOrderRequest.Unmarshal(m, b)
@ -1350,7 +1350,7 @@ 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_e1d03823e14b5fb0, []int{28}
return fileDescriptor_demo_c812a73334c7ff0d, []int{28}
}
func (m *PlaceOrderResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_PlaceOrderResponse.Unmarshal(m, b)
@ -1377,6 +1377,131 @@ func (m *PlaceOrderResponse) GetOrder() *OrderResult {
return nil
}
type AdsRequest struct {
// List of important key words from the current page describing the context.
ContextKeys []string `protobuf:"bytes,1,rep,name=context_keys,json=contextKeys" json:"context_keys,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *AdsRequest) Reset() { *m = AdsRequest{} }
func (m *AdsRequest) String() string { return proto.CompactTextString(m) }
func (*AdsRequest) ProtoMessage() {}
func (*AdsRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_c812a73334c7ff0d, []int{29}
}
func (m *AdsRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_AdsRequest.Unmarshal(m, b)
}
func (m *AdsRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_AdsRequest.Marshal(b, m, deterministic)
}
func (dst *AdsRequest) XXX_Merge(src proto.Message) {
xxx_messageInfo_AdsRequest.Merge(dst, src)
}
func (m *AdsRequest) XXX_Size() int {
return xxx_messageInfo_AdsRequest.Size(m)
}
func (m *AdsRequest) XXX_DiscardUnknown() {
xxx_messageInfo_AdsRequest.DiscardUnknown(m)
}
var xxx_messageInfo_AdsRequest proto.InternalMessageInfo
func (m *AdsRequest) GetContextKeys() []string {
if m != nil {
return m.ContextKeys
}
return nil
}
type AdsResponse struct {
Ads []*Ad `protobuf:"bytes,1,rep,name=ads" json:"ads,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *AdsResponse) Reset() { *m = AdsResponse{} }
func (m *AdsResponse) String() string { return proto.CompactTextString(m) }
func (*AdsResponse) ProtoMessage() {}
func (*AdsResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_c812a73334c7ff0d, []int{30}
}
func (m *AdsResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_AdsResponse.Unmarshal(m, b)
}
func (m *AdsResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_AdsResponse.Marshal(b, m, deterministic)
}
func (dst *AdsResponse) XXX_Merge(src proto.Message) {
xxx_messageInfo_AdsResponse.Merge(dst, src)
}
func (m *AdsResponse) XXX_Size() int {
return xxx_messageInfo_AdsResponse.Size(m)
}
func (m *AdsResponse) XXX_DiscardUnknown() {
xxx_messageInfo_AdsResponse.DiscardUnknown(m)
}
var xxx_messageInfo_AdsResponse proto.InternalMessageInfo
func (m *AdsResponse) GetAds() []*Ad {
if m != nil {
return m.Ads
}
return nil
}
type Ad struct {
// url to redirect to when an ad is clicked.
RedirectUrl string `protobuf:"bytes,1,opt,name=redirect_url,json=redirectUrl" json:"redirect_url,omitempty"`
// short advertisement text to display.
Text string `protobuf:"bytes,2,opt,name=text" json:"text,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *Ad) Reset() { *m = Ad{} }
func (m *Ad) String() string { return proto.CompactTextString(m) }
func (*Ad) ProtoMessage() {}
func (*Ad) Descriptor() ([]byte, []int) {
return fileDescriptor_demo_c812a73334c7ff0d, []int{31}
}
func (m *Ad) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Ad.Unmarshal(m, b)
}
func (m *Ad) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_Ad.Marshal(b, m, deterministic)
}
func (dst *Ad) XXX_Merge(src proto.Message) {
xxx_messageInfo_Ad.Merge(dst, src)
}
func (m *Ad) XXX_Size() int {
return xxx_messageInfo_Ad.Size(m)
}
func (m *Ad) XXX_DiscardUnknown() {
xxx_messageInfo_Ad.DiscardUnknown(m)
}
var xxx_messageInfo_Ad proto.InternalMessageInfo
func (m *Ad) GetRedirectUrl() string {
if m != nil {
return m.RedirectUrl
}
return ""
}
func (m *Ad) GetText() string {
if m != nil {
return m.Text
}
return ""
}
func init() {
proto.RegisterType((*CartItem)(nil), "hipstershop.CartItem")
proto.RegisterType((*AddItemRequest)(nil), "hipstershop.AddItemRequest")
@ -1407,6 +1532,9 @@ func init() {
proto.RegisterType((*SendOrderConfirmationRequest)(nil), "hipstershop.SendOrderConfirmationRequest")
proto.RegisterType((*PlaceOrderRequest)(nil), "hipstershop.PlaceOrderRequest")
proto.RegisterType((*PlaceOrderResponse)(nil), "hipstershop.PlaceOrderResponse")
proto.RegisterType((*AdsRequest)(nil), "hipstershop.AdsRequest")
proto.RegisterType((*AdsResponse)(nil), "hipstershop.AdsResponse")
proto.RegisterType((*Ad)(nil), "hipstershop.Ad")
}
// Reference imports to suppress errors if they are not otherwise used.
@ -2127,95 +2255,165 @@ var _CheckoutService_serviceDesc = grpc.ServiceDesc{
Metadata: "demo.proto",
}
func init() { proto.RegisterFile("demo.proto", fileDescriptor_demo_e1d03823e14b5fb0) }
var fileDescriptor_demo_e1d03823e14b5fb0 = []byte{
// 1389 bytes of a gzipped FileDescriptorProto
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// AdsServiceClient is the client API for AdsService service.
//
// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
type AdsServiceClient interface {
GetAds(ctx context.Context, in *AdsRequest, opts ...grpc.CallOption) (*AdsResponse, error)
}
type adsServiceClient struct {
cc *grpc.ClientConn
}
func NewAdsServiceClient(cc *grpc.ClientConn) AdsServiceClient {
return &adsServiceClient{cc}
}
func (c *adsServiceClient) GetAds(ctx context.Context, in *AdsRequest, opts ...grpc.CallOption) (*AdsResponse, error) {
out := new(AdsResponse)
err := c.cc.Invoke(ctx, "/hipstershop.AdsService/GetAds", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
// AdsServiceServer is the server API for AdsService service.
type AdsServiceServer interface {
GetAds(context.Context, *AdsRequest) (*AdsResponse, error)
}
func RegisterAdsServiceServer(s *grpc.Server, srv AdsServiceServer) {
s.RegisterService(&_AdsService_serviceDesc, srv)
}
func _AdsService_GetAds_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(AdsRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(AdsServiceServer).GetAds(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/hipstershop.AdsService/GetAds",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(AdsServiceServer).GetAds(ctx, req.(*AdsRequest))
}
return interceptor(ctx, in, info, handler)
}
var _AdsService_serviceDesc = grpc.ServiceDesc{
ServiceName: "hipstershop.AdsService",
HandlerType: (*AdsServiceServer)(nil),
Methods: []grpc.MethodDesc{
{
MethodName: "GetAds",
Handler: _AdsService_GetAds_Handler,
},
},
Streams: []grpc.StreamDesc{},
Metadata: "demo.proto",
}
func init() { proto.RegisterFile("demo.proto", fileDescriptor_demo_c812a73334c7ff0d) }
var fileDescriptor_demo_c812a73334c7ff0d = []byte{
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}

15
src/frontend/handlers.go
View file

@ -15,8 +15,10 @@
package main
import (
"context"
"fmt"
"html/template"
"math/rand"
"net/http"
"os"
"strconv"
@ -78,6 +80,7 @@ func (fe *frontendServer) homeHandler(w http.ResponseWriter, r *http.Request) {
"products": ps,
"cart_size": len(cart),
"banner_color": os.Getenv("BANNER_COLOR"), // illustrates canary deployments
"ad": fe.chooseAd(r.Context(), log),
}); err != nil {
log.Error(err)
}
@ -130,6 +133,7 @@ func (fe *frontendServer) productHandler(w http.ResponseWriter, r *http.Request)
if err := templates.ExecuteTemplate(w, "product", map[string]interface{}{
"session_id": sessionID(r),
"request_id": r.Context().Value(ctxKeyRequestID{}),
"ad": fe.chooseAd(r.Context(), log),
"user_currency": currentCurrency(r),
"currencies": currencies,
"product": product,
@ -340,6 +344,17 @@ func (fe *frontendServer) setCurrencyHandler(w http.ResponseWriter, r *http.Requ
w.WriteHeader(http.StatusFound)
}
// chooseAd queries for advertisements available and randomly chooses one, if
// available. It ignores the error retrieving the ad since it is not critical.
func (fe *frontendServer) chooseAd(ctx context.Context, log logrus.FieldLogger) *pb.Ad {
ads, err := fe.getAd(ctx)
if err != nil {
log.WithField("error", err).Warn("failed to retrieve ads")
return nil
}
return ads[rand.Intn(len(ads))]
}
func renderHTTPError(log logrus.FieldLogger, r *http.Request, w http.ResponseWriter, err error, code int) {
log.WithField("error", err).Error("request error")
errMsg := fmt.Sprintf("%+v", err)

5
src/frontend/main.go
View file

@ -73,6 +73,9 @@ type frontendServer struct {
shippingSvcAddr string
shippingSvcConn *grpc.ClientConn
adSvcAddr string
adSvcConn *grpc.ClientConn
}
func main() {
@ -96,6 +99,7 @@ func main() {
mustMapEnv(&svc.recommendationSvcAddr, "RECOMMENDATION_SERVICE_ADDR")
mustMapEnv(&svc.checkoutSvcAddr, "CHECKOUT_SERVICE_ADDR")
mustMapEnv(&svc.shippingSvcAddr, "SHIPPING_SERVICE_ADDR")
mustMapEnv(&svc.adSvcAddr, "AD_SERVICE_ADDR")
mustConnGRPC(ctx, &svc.currencySvcConn, svc.currencySvcAddr)
mustConnGRPC(ctx, &svc.productCatalogSvcConn, svc.productCatalogSvcAddr)
@ -103,6 +107,7 @@ func main() {
mustConnGRPC(ctx, &svc.recommendationSvcConn, svc.recommendationSvcAddr)
mustConnGRPC(ctx, &svc.shippingSvcConn, svc.shippingSvcAddr)
mustConnGRPC(ctx, &svc.checkoutSvcConn, svc.checkoutSvcAddr)
mustConnGRPC(ctx, &svc.adSvcConn, svc.adSvcAddr)
r := mux.NewRouter()
r.HandleFunc("/", svc.homeHandler).Methods(http.MethodGet, http.MethodHead)

19
src/frontend/rpc.go
View file

@ -114,3 +114,22 @@ func (fe *frontendServer) getRecommendations(ctx context.Context, userID string,
}
return out, err
}
func (fe *frontendServer) getAd(ctx context.Context) ([]*pb.Ad, error) {
return []*pb.Ad{
&pb.Ad{
Text: "Try this OG insta camera from 1960s!",
RedirectUrl: "https://en.wikipedia.org/wiki/Instant_camera#Polaroid_cameras",
},
&pb.Ad{
Text: "Check out the new instagrammy vacation destinations!",
RedirectUrl: "https://en.wikipedia.org/wiki/Italy",
},
}, nil
// TODO(rghetia): uncomment below and revove the code above
// resp, err := pb.NewAdsServiceClient(fe.adSvcConn).GetAds(ctx, &pb.AdsRequest{
// ContextKeys: nil,
// })
// return resp.GetAds(), errors.Wrap(err, "failed to get ads")
}

10
src/frontend/templates/ad.html Normal file
View file

@ -0,0 +1,10 @@
{{ define "text_ad" }}
<div class="container">
<div class="alert alert-dark" role="alert">
<strong>Advertisement:</strong>
<a href="{{.RedirectUrl}}" rel="nofollow" target="_blank" class="alert-link">
{{.Text}}
</a>
</div>
</div>
{{ end }}

3
src/frontend/templates/home.html
View file

@ -51,6 +51,9 @@
</div>
{{ end }}
</div>
<div class="row">
{{ with $.ad }}{{ template "text_ad" . }}{{ end}}
</div>
</div>
</div>
</main>

3
src/frontend/templates/product.html
View file

@ -47,9 +47,10 @@
{{ template "recommendations" $.recommendations }}
{{ end }}
{{ with $.ad }}{{ template "text_ad" . }}{{ end}}
</div>
</div>
</main>
</main>
{{ template "footer" . }}
{{ end }}