func (url Url) IncCounter() {
redis_client, e := helpers.GetRedisClient()
if e != nil {
return nil, e
}
redis_client.Inc(fmt.Sprintf("visits:%s", url.Digest))
}
func (u Url) Save() error {
redis_client, e := helpers.GetRedisClient()
if e != nil {
return e
}
redis_client.Set(u.Digest[0:5], []byte(u.Href))
redis_client.Set(fmt.Sprintf("%s_cnt", u.Digest[0:5]), 0)
redis_client.Rpush("digests", []byte(u.Digest[0:5]))
return nil
}
func FindUrl(digest string) (*Url, error) {
redis_client, e := helpers.GetRedisClient()
if e != nil {
return nil, e
}
href, e := redis_client.Get(digest)
if e != nil {
return nil, e
}
url := Url{string(href), digest}
return &url, nil
}
func FindUrls() ([]Url, error) {
redis_client, e := helpers.GetRedisClient()
if e != nil {
return nil, e
}
nb_urls, e := redis_client.Llen("digests")
if e != nil {
return nil, e
}
urls := make([]Url, nb_urls)
for i := int64(0); i < nb_urls; i++ {
digest, e := redis_client.Lindex("digests", i)
if e != nil {
return nil, e
}
url_bytes, e := redis_client.Get(fmt.Sprintf("%x", digest))
url := fmt.Sprintf("%s", url_bytes)
urls[i] = Url{url, fmt.Sprintf("%x", digest)}
}
return urls[:], nil
}