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add stock history

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This commit is contained in:
Asim Aslam
2021-06-18 15:21:41 +01:00
parent 26293299d2
commit 1b5740b3f0
5 changed files with 341 additions and 19 deletions
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16
stock/examples.json
View File

@@ -25,5 +25,21 @@
"bid_size": 4,
"timestamp": "2021-06-18T13:49:23.678Z"
}
}],
"history": [{
"title": "Get historic data",
"description": "Returns historic stock data for a given date",
"request": {
"symbol": "AAPL",
"date": "2020-10-01"
},
"response": {
"symbol": "AAPL",
"open": 117.64,
"close": 116.79,
"high": 117.72,
"low": 115.83,
"date": "2020-10-01"
}
}]
}

57
stock/handler/stock.go
View File

@@ -6,6 +6,7 @@ import (
"fmt"
"io/ioutil"
"net/http"
"regexp"
"time"
"github.com/patrickmn/go-cache"
@@ -14,6 +15,11 @@ import (
pb "github.com/micro/services/stock/proto"
)
var (
re = regexp.MustCompile(`\d{4}-\d{2}-\d{2}`)
)
type Stock struct{
Api string
Key string
@@ -29,6 +35,57 @@ type Quote struct {
Timestamp int64
}
type History struct {
Symbol string
Open float64
High float64
Low float64
Close float64
Volume int32
From string
}
func (s *Stock) History(ctx context.Context, req *pb.HistoryRequest, rsp *pb.HistoryResponse) error {
if len(req.Stock) < 0 || len(req.Stock) > 5 {
return errors.BadRequest("stock.history", "invalid symbol")
}
if !re.MatchString(req.Date) {
return errors.BadRequest("stock.history", "invalid date")
}
uri := fmt.Sprintf("%shistory/stock/open-close?stock=%s&date=%s&apikey=%s", s.Api, req.Stock, req.Date, s.Key)
resp, err := http.Get(uri)
if err != nil {
logger.Errorf("Failed to get history: %v\n", err)
return errors.InternalServerError("stock.history", "failed to get history")
}
defer resp.Body.Close()
b, _ := ioutil.ReadAll(resp.Body)
if resp.StatusCode != 200 {
logger.Errorf("Failed to get history (non 200): %d %v\n", resp.StatusCode, string(b))
return errors.InternalServerError("stock.history", "failed to get history")
}
var respBody History
if err := json.Unmarshal(b, &respBody); err != nil {
logger.Errorf("Failed to unmarshal history: %v\n", err)
return errors.InternalServerError("stock.history", "failed to get history")
}
rsp.Symbol = respBody.Symbol
rsp.Open = respBody.Open
rsp.Close = respBody.Close
rsp.High = respBody.High
rsp.Low = respBody.Low
rsp.Date = respBody.From
return nil
}
func (s *Stock) Quote(ctx context.Context, req *pb.QuoteRequest, rsp *pb.QuoteResponse) error {
if len(req.Symbol) < 0 || len(req.Symbol) > 5 {
return errors.BadRequest("stock.quote", "invalid symbol")

244
stock/proto/stock.pb.go
View File

@@ -268,6 +268,166 @@ func (x *QuoteResponse) GetTimestamp() string {
return ""
}
// Get the historic open-close for a given day
type HistoryRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// the stock symbol e.g AAPL
Stock string `protobuf:"bytes,1,opt,name=stock,proto3" json:"stock,omitempty"`
// date to retrieve as YYYY-MM-DD
Date string `protobuf:"bytes,2,opt,name=date,proto3" json:"date,omitempty"`
}
func (x *HistoryRequest) Reset() {
*x = HistoryRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_proto_stock_proto_msgTypes[4]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *HistoryRequest) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*HistoryRequest) ProtoMessage() {}
func (x *HistoryRequest) ProtoReflect() protoreflect.Message {
mi := &file_proto_stock_proto_msgTypes[4]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use HistoryRequest.ProtoReflect.Descriptor instead.
func (*HistoryRequest) Descriptor() ([]byte, []int) {
return file_proto_stock_proto_rawDescGZIP(), []int{4}
}
func (x *HistoryRequest) GetStock() string {
if x != nil {
return x.Stock
}
return ""
}
func (x *HistoryRequest) GetDate() string {
if x != nil {
return x.Date
}
return ""
}
type HistoryResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// the stock symbol
Symbol string `protobuf:"bytes,1,opt,name=symbol,proto3" json:"symbol,omitempty"`
// the open price
Open float64 `protobuf:"fixed64,2,opt,name=open,proto3" json:"open,omitempty"`
// the close price
Close float64 `protobuf:"fixed64,3,opt,name=close,proto3" json:"close,omitempty"`
// the peak price
High float64 `protobuf:"fixed64,4,opt,name=high,proto3" json:"high,omitempty"`
// the low price
Low float64 `protobuf:"fixed64,5,opt,name=low,proto3" json:"low,omitempty"`
// the volume
Volume int32 `protobuf:"varint,6,opt,name=volume,proto3" json:"volume,omitempty"`
// the date
Date string `protobuf:"bytes,7,opt,name=date,proto3" json:"date,omitempty"`
}
func (x *HistoryResponse) Reset() {
*x = HistoryResponse{}
if protoimpl.UnsafeEnabled {
mi := &file_proto_stock_proto_msgTypes[5]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *HistoryResponse) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*HistoryResponse) ProtoMessage() {}
func (x *HistoryResponse) ProtoReflect() protoreflect.Message {
mi := &file_proto_stock_proto_msgTypes[5]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use HistoryResponse.ProtoReflect.Descriptor instead.
func (*HistoryResponse) Descriptor() ([]byte, []int) {
return file_proto_stock_proto_rawDescGZIP(), []int{5}
}
func (x *HistoryResponse) GetSymbol() string {
if x != nil {
return x.Symbol
}
return ""
}
func (x *HistoryResponse) GetOpen() float64 {
if x != nil {
return x.Open
}
return 0
}
func (x *HistoryResponse) GetClose() float64 {
if x != nil {
return x.Close
}
return 0
}
func (x *HistoryResponse) GetHigh() float64 {
if x != nil {
return x.High
}
return 0
}
func (x *HistoryResponse) GetLow() float64 {
if x != nil {
return x.Low
}
return 0
}
func (x *HistoryResponse) GetVolume() int32 {
if x != nil {
return x.Volume
}
return 0
}
func (x *HistoryResponse) GetDate() string {
if x != nil {
return x.Date
}
return ""
}
var File_proto_stock_proto protoreflect.FileDescriptor
var file_proto_stock_proto_rawDesc = []byte{
@@ -293,15 +453,33 @@ var file_proto_stock_proto_rawDesc = []byte{
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}
var (
@@ -316,20 +494,24 @@ func file_proto_stock_proto_rawDescGZIP() []byte {
return file_proto_stock_proto_rawDescData
}
var file_proto_stock_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
var file_proto_stock_proto_msgTypes = make([]protoimpl.MessageInfo, 6)
var file_proto_stock_proto_goTypes = []interface{}{
(*PriceRequest)(nil), // 0: stock.PriceRequest
(*PriceResponse)(nil), // 1: stock.PriceResponse
(*QuoteRequest)(nil), // 2: stock.QuoteRequest
(*QuoteResponse)(nil), // 3: stock.QuoteResponse
(*PriceRequest)(nil), // 0: stock.PriceRequest
(*PriceResponse)(nil), // 1: stock.PriceResponse
(*QuoteRequest)(nil), // 2: stock.QuoteRequest
(*QuoteResponse)(nil), // 3: stock.QuoteResponse
(*HistoryRequest)(nil), // 4: stock.HistoryRequest
(*HistoryResponse)(nil), // 5: stock.HistoryResponse
}
var file_proto_stock_proto_depIdxs = []int32{
2, // 0: stock.Stock.Quote:input_type -> stock.QuoteRequest
0, // 1: stock.Stock.Price:input_type -> stock.PriceRequest
3, // 2: stock.Stock.Quote:output_type -> stock.QuoteResponse
1, // 3: stock.Stock.Price:output_type -> stock.PriceResponse
2, // [2:4] is the sub-list for method output_type
0, // [0:2] is the sub-list for method input_type
4, // 2: stock.Stock.History:input_type -> stock.HistoryRequest
3, // 3: stock.Stock.Quote:output_type -> stock.QuoteResponse
1, // 4: stock.Stock.Price:output_type -> stock.PriceResponse
5, // 5: stock.Stock.History:output_type -> stock.HistoryResponse
3, // [3:6] is the sub-list for method output_type
0, // [0:3] is the sub-list for method input_type
0, // [0:0] is the sub-list for extension type_name
0, // [0:0] is the sub-list for extension extendee
0, // [0:0] is the sub-list for field type_name
@@ -389,6 +571,30 @@ func file_proto_stock_proto_init() {
return nil
}
}
file_proto_stock_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*HistoryRequest); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_proto_stock_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*HistoryResponse); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
}
type x struct{}
out := protoimpl.TypeBuilder{
@@ -396,7 +602,7 @@ func file_proto_stock_proto_init() {
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_proto_stock_proto_rawDesc,
NumEnums: 0,
NumMessages: 4,
NumMessages: 6,
NumExtensions: 0,
NumServices: 1,
},

17
stock/proto/stock.pb.micro.go
View File

@@ -44,6 +44,7 @@ func NewStockEndpoints() []*api.Endpoint {
type StockService interface {
Quote(ctx context.Context, in *QuoteRequest, opts ...client.CallOption) (*QuoteResponse, error)
Price(ctx context.Context, in *PriceRequest, opts ...client.CallOption) (*PriceResponse, error)
History(ctx context.Context, in *HistoryRequest, opts ...client.CallOption) (*HistoryResponse, error)
}
type stockService struct {
@@ -78,17 +79,29 @@ func (c *stockService) Price(ctx context.Context, in *PriceRequest, opts ...clie
return out, nil
}
func (c *stockService) History(ctx context.Context, in *HistoryRequest, opts ...client.CallOption) (*HistoryResponse, error) {
req := c.c.NewRequest(c.name, "Stock.History", in)
out := new(HistoryResponse)
err := c.c.Call(ctx, req, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
// Server API for Stock service
type StockHandler interface {
Quote(context.Context, *QuoteRequest, *QuoteResponse) error
Price(context.Context, *PriceRequest, *PriceResponse) error
History(context.Context, *HistoryRequest, *HistoryResponse) error
}
func RegisterStockHandler(s server.Server, hdlr StockHandler, opts ...server.HandlerOption) error {
type stock interface {
Quote(ctx context.Context, in *QuoteRequest, out *QuoteResponse) error
Price(ctx context.Context, in *PriceRequest, out *PriceResponse) error
History(ctx context.Context, in *HistoryRequest, out *HistoryResponse) error
}
type Stock struct {
stock
@@ -108,3 +121,7 @@ func (h *stockHandler) Quote(ctx context.Context, in *QuoteRequest, out *QuoteRe
func (h *stockHandler) Price(ctx context.Context, in *PriceRequest, out *PriceResponse) error {
return h.StockHandler.Price(ctx, in, out)
}
func (h *stockHandler) History(ctx context.Context, in *HistoryRequest, out *HistoryResponse) error {
return h.StockHandler.History(ctx, in, out)
}

26
stock/proto/stock.proto
View File

@@ -7,6 +7,7 @@ option go_package = "./proto;stock";
service Stock {
rpc Quote(QuoteRequest) returns (QuoteResponse) {}
rpc Price(PriceRequest) returns (PriceResponse) {}
rpc History(HistoryRequest) returns (HistoryResponse) {}
}
// Get the last price for a given stock ticker
@@ -43,3 +44,28 @@ message QuoteResponse {
string timestamp = 6;
}
// Get the historic open-close for a given day
message HistoryRequest {
// the stock symbol e.g AAPL
string stock = 1;
// date to retrieve as YYYY-MM-DD
string date = 2;
}
message HistoryResponse {
// the stock symbol
string symbol = 1;
// the open price
double open = 2;
// the close price
double close = 3;
// the peak price
double high = 4;
// the low price
double low = 5;
// the volume
int32 volume = 6;
// the date
string date = 7;
}