axamon/hermes

// Copyright 2019 Alberto Bregliano. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package idvideoteca

import (
    "net/url"
    "regexp"
    "strings"
)

var idv = regexp.MustCompile(`(?m)(/)\d{7,8}(/)`)
// var isURLEncoded = regexp.MustCompile(`%`)

// var onlyNum = regexp.MustCompile(`[^0-9]+`)

// Find trova l'id videoteca nella stringa passata come argomento se esiste
// altrimenti riporta "NON DISPONIBILE".
func Find(rawurl string) (idvideoteca string, err error) {

    if strings.Contains(rawurl, "%") {
    // if isURLEncoded.MatchString(rawurl) {
        rawurl, err = url.QueryUnescape(rawurl)
        if err != nil {
            // log.Println(err.Error())
            return "", err
        }
    }

    // Cerca la prima corrispondenza
    idvideoteca = idv.FindString(rawurl)

    // idvideoteca = onlyNum.ReplaceAllString(element, "")

    idvideoteca = strings.Replace(idvideoteca, "/", "", 2)

    return idvideoteca, err
}