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yfinance.go
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yfinance.go
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package yahoofinance
import (
"errors"
"log"
"net"
"net/http"
"net/http/cookiejar"
"time"
)
// const strings
const (
// UserAgent is the header string used to identify this package.
userAgent = `Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0`
HOST = "https://query1.finance.yahoo.com/"
)
// Service Yahoo Finance api
type Service struct {
client *http.Client
host string // API endpoint base URL
History *HistoryService
Quote *QuoteService
}
// GetClient get client
func GetClient() *http.Client {
cookieJar, err := cookiejar.New(nil)
if err != nil {
log.Fatal(err)
}
client := &http.Client{
Transport: &http.Transport{
Proxy: http.ProxyFromEnvironment,
Dial: (&net.Dialer{
Timeout: 0,
KeepAlive: 0,
}).Dial,
TLSHandshakeTimeout: 10 * time.Second,
},
Jar: cookieJar,
}
return client
}
// New Yahoo Finance API server
func New(client *http.Client) (*Service, error) {
if client == nil {
return nil, errors.New("client is nil")
}
s := &Service{client: client, host: HOST}
s.History = NewHistoryService(s)
s.Quote = NewQuoteService(s)
return s, nil
}
func (s *Service) userAgent() string {
return userAgent
}