package forum import ( "net/http" "regexp" "strconv" "code.nonshy.com/nonshy/website/pkg/config" "code.nonshy.com/nonshy/website/pkg/log" "code.nonshy.com/nonshy/website/pkg/models" "code.nonshy.com/nonshy/website/pkg/session" "code.nonshy.com/nonshy/website/pkg/templates" ) var ThreadPathRegexp = regexp.MustCompile(`^/forum/thread/(\d+)$`) // Thread view for the comment thread body of a forum post. func Thread() http.HandlerFunc { tmpl := templates.Must("forum/thread.html") return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { // Parse the path parameters var ( forum *models.Forum thread *models.Thread ) if m := ThreadPathRegexp.FindStringSubmatch(r.URL.Path); m == nil { log.Error("Regexp failed to parse: %s", r.URL.Path) templates.NotFoundPage(w, r) return } else { if threadID, err := strconv.Atoi(m[1]); err != nil { session.FlashError(w, r, "Invalid thread ID in the address bar.") templates.Redirect(w, "/forum") return } else { // Load the thread. if found, err := models.GetThread(uint64(threadID)); err != nil { session.FlashError(w, r, "That thread does not exist.") templates.Redirect(w, "/forum") return } else { thread = found forum = &thread.Forum } } } // 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 } // Ping the view count on this thread. if err := thread.View(currentUser.ID); err != nil { log.Error("Couldn't ping view count on thread %d: %s", thread.ID, err) } // Paginate the comments on this thread. var pager = &models.Pagination{ Page: 1, PerPage: config.PageSizeThreadList, Sort: "created_at asc", } pager.ParsePage(r) comments, err := models.PaginateComments(currentUser, "threads", thread.ID, pager) if err != nil { session.FlashError(w, r, "Couldn't paginate comments: %s", err) templates.Redirect(w, "/") return } // Get the like map for these comments. commentIDs := []uint64{} for _, com := range comments { commentIDs = append(commentIDs, com.ID) } commentLikeMap := models.MapLikes(currentUser, "comments", commentIDs) // Is the current user subscribed to notifications on this thread? _, isSubscribed := models.IsSubscribed(currentUser, "threads", thread.ID) var vars = map[string]interface{}{ "Forum": forum, "Thread": thread, "Comments": comments, "LikeMap": commentLikeMap, "Pager": pager, "IsSubscribed": isSubscribed, } if err := tmpl.Execute(w, r, vars); err != nil { http.Error(w, err.Error(), http.StatusInternalServerError) return } }) }