func MonitoringHandler(w http.ResponseWriter, r *http.Request) {
log.Debug("MonitoringHandler")
//Load params
vars := mux.Vars(r)
token := vars["value"]
shortlink, err := ReadFromRedis(token)
if err != nil {
http.Error(w, "Token not found", 404)
return
}
json.NewEncoder(w).Encode(shortlink)
}
func ShortlinkCreationHandler(w http.ResponseWriter, r *http.Request) {
log.Debug("ShortlinkCreationHandler")
//Load params
vars := mux.Vars(r)
origin := vars["value"]
token := r.FormValue("custom")
origin = "http://" + origin
token, err := RegisterShortlink(origin, token)
if err != nil {
http.Error(w, "Invalid origin parameter", 404)
return
}
creationResult := CreationResult{origin, "http://" + r.Host + "/" + token}
json.NewEncoder(w).Encode(creationResult)
}
func RedirectionHandler(w http.ResponseWriter, r *http.Request) {
log.Debug("RedirectionHandler")
// Extract request parameters
vars := mux.Vars(r)
token := vars["value"]
// Fetch Shortlink in Redis
shortlink, err := ReadFromRedis(token)
if err != nil {
http.Error(w, "Token not found", 404)
return
}
// Increment
shortlink.Count++
UpdateShortlink(shortlink)
log.Info("Redirecting http://" + r.Host + "/" + shortlink.Token + " to " + shortlink.Origin)
// Redirect
http.Redirect(w, r, shortlink.Origin, http.StatusFound)
}
