Sort blog index correctly

src/hmndata/threads_and_posts_helper.go

@@ -30,6 +30,7 @@ type ThreadsQuery struct {
 
 	// Ignored when using FetchThread or CountThreads.
 	Limit, Offset  int  // if empty, no pagination
+	OrderByCreated bool // defaults to order by last updated
 }
 
 type ThreadAndStuff struct {
@@ -127,7 +128,11 @@ func FetchThreads(
 			currentUserID,
 		)
 	}
+	if q.OrderByCreated {
+		qb.Add(`ORDER BY first_post.postdate DESC`)
+	} else {
 		qb.Add(`ORDER BY last_post.postdate DESC`)
+	}
 	if q.Limit > 0 {
 		qb.Add(`LIMIT $? OFFSET $?`, q.Limit, q.Offset)
 	}

src/website/blogs.go

@@ -55,6 +55,7 @@ func BlogIndex(c *RequestContext) ResponseData {
 		ThreadTypes:    []models.ThreadType{models.ThreadTypeProjectBlogPost},
 		Limit:          postsPerPage,
 		Offset:         (page - 1) * postsPerPage,
+		OrderByCreated: true,
 	})
 	if err != nil {
 		return c.ErrorResponse(http.StatusInternalServerError, oops.New(err, "failed to fetch blog posts for index"))