Function handleCreateEmailSubscription

email.go:79–182

(app *App, w http.ResponseWriter, r *http.Request)

}

func handleCreateEmailSubscription(app *App, w http.ResponseWriter, r *http.Request) error {
	reqJSON := IsJSON(r)
	vars := mux.Vars(r)
	var err error

	ss := SubmittedSubscription{
		CollAlias: vars["alias"],
	}
	u := getUserSession(app, r)
	if u != nil {
		ss.UserID = u.ID
	}
	if reqJSON {
		// Decode JSON request
		decoder := json.NewDecoder(r.Body)
		err = decoder.Decode(&ss)
		if err != nil {
			log.Error("Couldn't parse new subscription JSON request: %v\n", err)
			return ErrBadJSON
		}
	} else {
		err = r.ParseForm()
		if err != nil {
			log.Error("Couldn't parse new subscription form request: %v\n", err)
			return ErrBadFormData
		}

		err = app.formDecoder.Decode(&ss, r.PostForm)
		if err != nil {
			log.Error("Continuing, but error decoding new subscription form request: %v\n", err)
			//return ErrBadFormData
		}
	}

	c, err := app.db.GetCollection(ss.CollAlias)
	if err != nil {
		log.Error("getCollection: %s", err)
		return err
	}
	c.hostName = app.cfg.App.Host

	from := c.CanonicalURL()
	isAuthorBanned, err := app.db.IsUserSilenced(c.OwnerID)
	if isAuthorBanned {
		log.Info("Author is silenced, so subscription is blocked.")
		return impart.HTTPError{http.StatusFound, from}
	}

	if ss.Web {
		if u != nil && u.ID == c.OwnerID {
			from = "/" + c.Alias + "/"
		}
		from += ss.Slug
	}

	if r.FormValue(spam.HoneypotFieldName()) != "" || r.FormValue("fake_password") != "" {
		log.Info("Honeypot field was filled out! Not subscribing.")
		return impart.HTTPError{http.StatusFound, from}