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package pages
import (
"delayed.link/storage"
_ "embed"
"html/template"
"net/http"
"net/url"
"strconv"
"strings"
"time"
)
func CreateLink(w http.ResponseWriter, r *http.Request) *storage.Link {
err := r.ParseForm()
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return nil
}
form := r.PostForm
minutesInFutureStr := form.Get("minutes_in_future")
if strings.TrimSpace(minutesInFutureStr) == "" {
http.Error(w, "minutes_in_future is required", http.StatusBadRequest)
return nil
}
minutesInFuture, err := strconv.Atoi(minutesInFutureStr)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return nil
}
if minutesInFuture < 0 {
http.Error(w, "minutes_in_future has to be > 0", http.StatusBadRequest)
}
numberOfOpensStr := form.Get("number_of_opens")
if strings.TrimSpace(minutesInFutureStr) == "" {
http.Error(w, "number_of_opens is required", http.StatusBadRequest)
return nil
}
numberOfOpens, err := strconv.Atoi(numberOfOpensStr)
if numberOfOpens < 0 || numberOfOpens > 100 {
http.Error(w, "number_of_opens needs to be between 1 and 100", http.StatusBadRequest)
return nil
}
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return nil
}
payload := form.Get("payload")
//TODO: Verify payload
if _, err := url.Parse(payload); err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return nil
}
l := storage.Link{
Target: payload,
OpensFrom: time.Now().Add(time.Duration(minutesInFuture) * time.Minute),
OpensLeft: numberOfOpens,
}
id, err := l.Save(storage.Current)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return nil
}
(&l).Id = id
return &l
}
//go:embed create.gohtml
var recContent string
var recTmpl = template.Must(template.New("delayed.link").Parse(recContent))
func Create(w http.ResponseWriter, r *http.Request) {
l := CreateLink(w, r)
if l == nil {
return
}
err := recTmpl.Execute(w, l)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}
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