// get exchange rate from fixer.io
func GetBase() string {
err := godotenv.Load() // load the dotenv
perror(err) // print to std error
url := os.Getenv("EXAPI") // get the endpoint value
res, err := http.Get(url) // fetch the api
perror(err)
defer res.Body.Close()
jsonResponse, err := ioutil.ReadAll(res.Body) // read the respond body
perror(err)
data := JsonStruct{}
json.Unmarshal(jsonResponse, &data) // put the response body into data obj
perror(err)
return data.Base // return the base currency
}
// main entry to service worker
func main() {
doterr := godotenv.Load()
perror(doterr)
r := mux.NewRouter() // new mux instance
r.HandleFunc("/", root.Start) // root route */*
r.HandleFunc("/api/pay", api.Create) // :api pay [:post] @ /api/pay
r.HandleFunc("/api/rate/base", api.GetExchangeBase) // :api get currency exchange base
r.HandleFunc("/api/rate", api.GetRate) // :api get rates
http.Handle("/", r) // http instance attach with mux
port := os.Getenv("PORT")
log.Println("Listening on ", port)
err := http.ListenAndServe(port, nil)
perror(err)
}