func()

in src/frontend/handlers.go [499:523]

• 24 lines of code
• 4 McCabe index (conditional complexity)

func (fe *frontendServer) setCurrencyHandler(w http.ResponseWriter, r *http.Request) {
	log := r.Context().Value(ctxKeyLog{}).(logrus.FieldLogger)
	cur := r.FormValue("currency_code")
	payload := validator.SetCurrencyPayload{Currency: cur}
	if err := payload.Validate(); err != nil {
		renderHTTPError(log, r, w, validator.ValidationErrorResponse(err), http.StatusUnprocessableEntity)
		return
	}
	log.WithField("curr.new", payload.Currency).WithField("curr.old", currentCurrency(r)).
		Debug("setting currency")

	if payload.Currency != "" {
		http.SetCookie(w, &http.Cookie{
			Name:   cookieCurrency,
			Value:  payload.Currency,
			MaxAge: cookieMaxAge,
		})
	}
	referer := r.Header.Get("referer")
	if referer == "" {
		referer = baseUrl + "/"
	}
	w.Header().Set("Location", referer)
	w.WriteHeader(http.StatusFound)
}