Noah
500456c05e
* Add a "Newest" tab to the Forums landing page to order ALL forum posts (comments) by most recent, paginated. * Add a "Views" cooldown in Redis: viewing the same post multiple times within 1 hour doesn't ++ the view count with every page load, per user per thread ID. * Update the paginators to handle unlimited numbers of pages: shows max 7 page buttons with your current page towards the middle. * General ability to jump to the "last page" of anything: use a negative page size like ?page=-1 and it acts like the last page.
101 lines
2.7 KiB
Go
101 lines
2.7 KiB
Go
package forum
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import (
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"net/http"
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"regexp"
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"strconv"
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"code.nonshy.com/nonshy/website/pkg/config"
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"code.nonshy.com/nonshy/website/pkg/log"
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"code.nonshy.com/nonshy/website/pkg/models"
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"code.nonshy.com/nonshy/website/pkg/session"
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"code.nonshy.com/nonshy/website/pkg/templates"
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)
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var ThreadPathRegexp = regexp.MustCompile(`^/forum/thread/(\d+)$`)
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// Thread view for the comment thread body of a forum post.
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func Thread() http.HandlerFunc {
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tmpl := templates.Must("forum/thread.html")
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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// Parse the path parameters
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var (
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forum *models.Forum
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thread *models.Thread
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)
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if m := ThreadPathRegexp.FindStringSubmatch(r.URL.Path); m == nil {
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log.Error("Regexp failed to parse: %s", r.URL.Path)
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templates.NotFoundPage(w, r)
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return
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} else {
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if threadID, err := strconv.Atoi(m[1]); err != nil {
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session.FlashError(w, r, "Invalid thread ID in the address bar.")
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templates.Redirect(w, "/forum")
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return
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} else {
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// Load the thread.
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if found, err := models.GetThread(uint64(threadID)); err != nil {
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session.FlashError(w, r, "That thread does not exist.")
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templates.Redirect(w, "/forum")
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return
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} else {
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thread = found
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forum = &thread.Forum
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}
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}
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}
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// Get the current user.
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currentUser, err := session.CurrentUser(r)
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if err != nil {
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session.FlashError(w, r, "Couldn't get current user: %s", err)
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templates.Redirect(w, "/")
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return
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}
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// Ping the view count on this thread.
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if err := thread.View(currentUser.ID); err != nil {
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log.Error("Couldn't ping view count on thread %d: %s", thread.ID, err)
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}
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// Paginate the comments on this thread.
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var pager = &models.Pagination{
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Page: 1,
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PerPage: config.PageSizeThreadList,
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Sort: "created_at asc",
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}
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pager.ParsePage(r)
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comments, err := models.PaginateComments(currentUser, "threads", thread.ID, pager)
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if err != nil {
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session.FlashError(w, r, "Couldn't paginate comments: %s", err)
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templates.Redirect(w, "/")
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return
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}
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// Get the like map for these comments.
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commentIDs := []uint64{}
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for _, com := range comments {
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commentIDs = append(commentIDs, com.ID)
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}
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commentLikeMap := models.MapLikes(currentUser, "comments", commentIDs)
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// Is the current user subscribed to notifications on this thread?
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_, isSubscribed := models.IsSubscribed(currentUser, "threads", thread.ID)
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var vars = map[string]interface{}{
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"Forum": forum,
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"Thread": thread,
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"Comments": comments,
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"LikeMap": commentLikeMap,
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"Pager": pager,
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"IsSubscribed": isSubscribed,
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}
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if err := tmpl.Execute(w, r, vars); err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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})
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}
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