FirstID and LastID are not nullable

src/models/thread.go

@@ -25,6 +25,6 @@ type Thread struct {
 	Locked  bool   `db:"locked"`
 	Deleted bool   `db:"deleted"`
 
-	FirstID *int `db:"first_id"`
-	LastID  *int `db:"last_id"`
+	FirstID int `db:"first_id"`
+	LastID  int `db:"last_id"`
 }

src/website/forums.go

@@ -505,7 +505,7 @@ func ForumThread(c *RequestContext) ResponseData {
 		Thread:      templates.ThreadToTemplate(&thread),
 		Posts:       posts,
 		SubforumUrl: hmnurl.BuildForum(c.CurrentProject.Slug, currentSubforumSlugs, 1),
-		ReplyUrl:    hmnurl.BuildForumPostReply(c.CurrentProject.Slug, currentSubforumSlugs, thread.ID, *thread.FirstID),
+		ReplyUrl:    hmnurl.BuildForumPostReply(c.CurrentProject.Slug, currentSubforumSlugs, thread.ID, thread.FirstID),
 		Pagination:  pagination,
 	}, c.Perf)
 	return res

src/website/landing.go

@@ -156,7 +156,7 @@ func Index(c *RequestContext) ResponseData {
 
 			featurable := (!proj.IsHMN() &&
 				projectPost.Post.ThreadType == models.ThreadTypeProjectArticle &&
-				*projectPost.Thread.FirstID == projectPost.Post.ID &&
+				projectPost.Thread.FirstID == projectPost.Post.ID &&
 				landingPageProject.FeaturedPost == nil)
 
 			if featurable {

src/website/post_helper.go

@@ -78,7 +78,7 @@ func MakePostListItem(
 	postTypeOptions, found := PostTypeMap[post.ThreadType]
 	if found {
 		isNotFirst := 0
-		if *thread.FirstID != post.ID {
+		if thread.FirstID != post.ID {
 			isNotFirst = 1
 		}
 		postType = postTypeOptions[isNotFirst]

src/website/timeline_helper.go

@@ -51,7 +51,7 @@ func PostToTimelineItem(lineageBuilder *models.SubforumLineageBuilder, post *mod
 	typeByCatKind, found := TimelineTypeMap[post.ThreadType]
 	if found {
 		isNotFirst := 0
-		if *thread.FirstID != post.ID {
+		if thread.FirstID != post.ID {
 			isNotFirst = 1
 		}
 		itemType = typeByCatKind[isNotFirst]