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create func for link creation to shorten code

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also, fixed spelling error in index.html
This commit is contained in:
swirl 2021-08-12 14:10:17 -04:00
parent 994a47b02e
commit d8fe32d886
2 changed files with 35 additions and 56 deletions
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2
index.html
View file

@ -36,7 +36,7 @@ A Minimal, SQLite-Backed URL Shortener
| $ curl -d https://duckduckgo.com {{.URL}}/ddg
| {{.URL}}/ddg
|
| 3. Create a short link to https://duckduckgo.com uaing a query string
| 3. Create a short link to https://duckduckgo.com using a query string
| $ curl {{.URL}}?https://duckduckgo.com
| {{.URL}}/1acd382417199d7e
|

89
main.go
View file

@ -166,6 +166,37 @@ func (c controller) Err(rw http.ResponseWriter, r *http.Request, err error) {
fmt.Fprintf(rw, "%s", err)
}
func (c controller) CreateShortLink(rw http.ResponseWriter, r *http.Request, rq string) {
u, err := url.Parse(rq)
if err != nil {
c.Err(rw, r, err)
return
}
if u.Scheme != "http" && u.Scheme != "https" {
rw.WriteHeader(http.StatusBadRequest)
fmt.Fprintf(rw, "URL must contain scheme, e.g. `http://` or `https://`.")
return
}
var (
link Link
h = strings.Trim(r.URL.Path, "/")
)
if h != "" {
link, err = c.db.NewLinkWithShortLink(u, h)
} else {
link, err = c.db.NewLink(u)
}
if err != nil {
c.Err(rw, r, err)
return
}
rw.Header().Set("X-Delete-With", link.Del)
rw.WriteHeader(http.StatusFound)
fmt.Fprintf(rw, "%s/%s", c.url, link.Smol)
return
}
func (c controller) ServeHTTP(rw http.ResponseWriter, r *http.Request) {
switch r.Method {
@ -177,33 +208,7 @@ func (c controller) ServeHTTP(rw http.ResponseWriter, r *http.Request) {
return
}
if rq != "" {
u, err := url.Parse(rq)
if err != nil {
c.Err(rw, r, err)
return
}
if u.Scheme != "http" && u.Scheme != "https" {
rw.WriteHeader(http.StatusBadRequest)
fmt.Fprintf(rw, "URL must contain scheme, e.g. `http://` or `https://`.")
return
}
var (
link Link
h = strings.Trim(r.URL.Path, "/")
)
if h != "" {
link, err = c.db.NewLinkWithShortLink(u, h)
} else {
link, err = c.db.NewLink(u)
}
if err != nil {
c.Err(rw, r, err)
return
}
rw.Header().Set("X-Delete-With", link.Del)
rw.WriteHeader(http.StatusFound)
fmt.Fprintf(rw, "%s/%s", c.url, link.Smol)
c.CreateShortLink(rw, r, rq)
return
} else {
switch st {
@ -242,34 +247,8 @@ func (c controller) ServeHTTP(rw http.ResponseWriter, r *http.Request) {
c.Err(rw, r, err)
return
}
u, err := url.Parse(string(b))
if err != nil {
c.Err(rw, r, err)
return
}
if u.Scheme != "http" && u.Scheme != "https" {
rw.WriteHeader(http.StatusBadRequest)
fmt.Fprintf(rw, "URL must contain scheme, e.g. `http://` or `https://`.")
return
}
var (
link Link
h = strings.Trim(r.URL.Path, "/")
)
if h != "" {
link, err = c.db.NewLinkWithShortLink(u, h)
} else {
link, err = c.db.NewLink(u)
}
if err != nil {
c.Err(rw, r, err)
return
}
rw.Header().Set("X-Delete-With", link.Del)
rw.WriteHeader(http.StatusFound)
fmt.Fprintf(rw, "%s/%s", c.url, link.Smol)
return
c.CreateShortLink(rw, r, string(b))
return
case http.MethodDelete:
b, err := ioutil.ReadAll(r.Body)