From fc0dbe0ace7414bfad5ac76bb2ed02cc99612194 Mon Sep 17 00:00:00 2001
From: Eli Yukelzon <reflog@gmail.com>
Date: Thu, 29 Apr 2021 14:58:19 +0300
Subject: [PATCH] MM-35206 CRT: is_following on posts not reflecting state
 properly (#17533)

* forgot to copy isFollowing param

* /thread API didn't return thread posts, just the root

* cleanup

* [ci]

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>
---
 model/post.go                |  1 +
 store/sqlstore/post_store.go | 17 ++++++++++++++++-
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/model/post.go b/model/post.go
index fe5df8347b..c305cd8207 100644
--- a/model/post.go
+++ b/model/post.go
@@ -207,6 +207,7 @@ func (o *Post) ShallowCopy(dst *Post) error {
 	dst.Participants = o.Participants
 	dst.LastReplyAt = o.LastReplyAt
 	dst.Metadata = o.Metadata
+	dst.IsFollowing = o.IsFollowing
 	dst.RemoteId = o.RemoteId
 	return nil
 }
diff --git a/store/sqlstore/post_store.go b/store/sqlstore/post_store.go
index 73a2928864..9fe2b07729 100644
--- a/store/sqlstore/post_store.go
+++ b/store/sqlstore/post_store.go
@@ -474,7 +474,22 @@ func (s *SqlPostStore) getPostWithCollapsedThreads(id, userID string, extended b
 
 		return nil, errors.Wrapf(err, "failed to get Post with id=%s", id)
 	}
-	return s.prepareThreadedResponse([]*postWithExtra{&post}, extended, false)
+
+	var posts []*model.Post
+	_, err = s.GetReplica().Select(&posts, "SELECT * FROM Posts WHERE Posts.RootId = :RootId AND DeleteAt = 0", map[string]interface{}{"RootId": id})
+	if err != nil {
+		return nil, errors.Wrapf(err, "failed to find Posts for thread %s", id)
+	}
+
+	list, err := s.prepareThreadedResponse([]*postWithExtra{&post}, extended, false)
+	if err != nil {
+		return nil, err
+	}
+	for _, p := range posts {
+		list.AddPost(p)
+		list.AddOrder(p.Id)
+	}
+	return list, nil
 }
 
 func (s *SqlPostStore) Get(ctx context.Context, id string, skipFetchThreads, collapsedThreads, collapsedThreadsExtended bool, userID string) (*model.PostList, error) {