// CreateComment validates and creates a new comment. It also saves the client's IP-adress
// to reduce spam.
func CreateComment(w http.ResponseWriter, req *http.Request, app *App) {
comment := models.NewComment(
req.FormValue("email"),
req.FormValue("name"),
req.FormValue("title"),
req.FormValue("body"),
req.FormValue("url"),
req.RemoteAddr)
comment.Created = time.Now().Unix()
ip, err := relevantIpBytes(req.RemoteAddr)
if err != nil {
ip = req.RemoteAddr
}
comment.ClientIp = ip
valid, valErrors := comment.Validate()
if valid {
err := comment.Save(app.Db)
if err != nil {
w.WriteHeader(500)
} else {
session, _ := app.SessionStore.Get(req, SessionName)
session.Values["email"] = comment.Email
session.Values["name"] = comment.Name
session.Save(req, w)
renderComment(w, "partial/comment", comment, app)
}
} else {
renderErrors(w, valErrors, 422)
}
go app.Notifier.CommentCreated(&comment)
}
func Import(db *sql.DB, xmlReader io.Reader) error {
parsed := &disqus{}
decoder := xml.NewDecoder(xmlReader)
if err := decoder.Decode(parsed); err != nil {
return err
}
comments := make([]models.Comment, 0)
for _, post := range parsed.Posts {
thread, err := parsed.findThread(post.Thread.Id)
if err != nil {
fmt.Println("Could not find thread reference", post.Thread.Id)
}
if post.IsDeleted == "true" {
continue
}
createdAt, err := time.Parse(time.RFC3339, post.CreatedAt)
if err != nil {
createdAt = time.Now()
}
body := sanitize.HTML(post.Message)
comment := models.NewComment(post.Author.Email, post.Author.Name, "", body, thread.Link, post.IpAddress)
comment.Created = createdAt.Unix()
comment.Approved = post.IsSpam == "false"
comments = append(comments, comment)
}
total := len(parsed.Posts)
fmt.Println("Read", total, "from the file.")
for i, comment := range comments {
if err := comment.Save(db); err != nil {
total--
fmt.Println("Could not import comment", i)
fmt.Println(err)
}
}
fmt.Println("Wrote", total, "comments to the database.")
return nil
}