// Send helper for execute command work
func (c *Command) Send(url string) (string, error) {
hr := httpRequest.New(url)
if c.GetMethod() == httpRequest.CMethodGET {
return hr.Get()
}
return "", nil
}
// Execute receive and return actual course
func (ac *ActionCourse) Execute() (string, error) {
url := fmt.Sprintf(cCourseAPIURL, time.Now().Format(cTimeFormatLayout))
hr := httpRequest.New(url)
resp, err := hr.Get()
if err != nil {
return "", err
}
c := Currencies{}
reader := bytes.NewReader([]byte(resp))
decoder := xml.NewDecoder(reader)
decoder.CharsetReader = charset.NewReader
err = decoder.Decode(&c)
if err != nil {
return "", err
}
log.Infof("Receive currencies: %v", c)
result := ""
for _, cur := range c.Content {
if cur.CharCode == "EUR" || cur.CharCode == "USD" {
result += cur.CharCode + " - " + cur.Value + " руб.\n"
}
}
return result, nil
}