website/pkg/controller/forum/subscribe.go

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package forum
import (
"net/http"
"code.nonshy.com/nonshy/website/pkg/models"
"code.nonshy.com/nonshy/website/pkg/session"
"code.nonshy.com/nonshy/website/pkg/templates"
)
// Subscribe to a forum, adding it to your bookmark list.
func Subscribe() http.HandlerFunc {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// Parse the path parameters
var (
fragment = r.FormValue("fragment")
forum *models.Forum
intent = r.FormValue("intent")
)
// Look up the forum by its fragment.
if found, err := models.ForumByFragment(fragment); err != nil {
templates.NotFoundPage(w, r)
return
} else {
forum = found
}
// Get the current user.
currentUser, err := session.CurrentUser(r)
if err != nil {
session.FlashError(w, r, "Couldn't get current user: %s", err)
templates.Redirect(w, "/")
return
}
// Is it a private forum?
if forum.Private && !currentUser.IsAdmin {
templates.NotFoundPage(w, r)
return
}
switch intent {
case "follow":
_, err := models.CreateForumMembership(currentUser, forum)
if err != nil {
session.FlashError(w, r, "Couldn't follow this forum: %s", err)
} else {
session.Flash(w, r, "You have added %s to your forum list.", forum.Title)
}
case "unfollow":
fm, err := models.GetForumMembership(currentUser, forum)
if err == nil {
err = fm.Delete()
if err != nil {
session.FlashError(w, r, "Couldn't delete your forum membership: %s", err)
}
}
session.Flash(w, r, "You have removed %s from your forum list.", forum.Title)
default:
session.Flash(w, r, "Unknown intent.")
}
templates.Redirect(w, "/f/"+fragment)
})
}