Sort self-replies to the top of descendants (#9320)

Fix #6463
rebase/4.0.0rc2
Eugen Rochko 2018-11-24 20:48:50 +01:00 committed by GitHub
parent 87a43274f1
commit 0eaf6d7693
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2 changed files with 34 additions and 2 deletions

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@ -8,7 +8,7 @@ module StatusThreadingConcern
end
def descendants(limit, account = nil, max_child_id = nil, since_child_id = nil, depth = nil)
find_statuses_from_tree_path(descendant_ids(limit, max_child_id, since_child_id, depth), account)
find_statuses_from_tree_path(descendant_ids(limit, max_child_id, since_child_id, depth), account, promote: true)
end
private
@ -76,7 +76,7 @@ module StatusThreadingConcern
descendants_with_self - [self]
end
def find_statuses_from_tree_path(ids, account)
def find_statuses_from_tree_path(ids, account, promote: false)
statuses = statuses_with_accounts(ids).to_a
account_ids = statuses.map(&:account_id).uniq
domains = statuses.map(&:account_domain).compact.uniq
@ -86,6 +86,28 @@ module StatusThreadingConcern
# Order ancestors/descendants by tree path
statuses.sort_by! { |status| ids.index(status.id) }
# Bring self-replies to the top
if promote
promote_by!(statuses) { |status| status.in_reply_to_account_id == status.account_id }
else
statuses
end
end
def promote_by!(arr)
insert_at = arr.find_index { |item| !yield(item) }
return arr if insert_at.nil?
arr.each_with_index do |item, index|
next if index <= insert_at || !yield(item)
arr.insert(insert_at, arr.delete_at(index))
insert_at += 1
end
arr
end
def relations_map_for_account(account, account_ids, domains)

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@ -118,5 +118,15 @@ describe StatusThreadingConcern do
viewer.block_domain!('example.com')
expect(status.descendants(4, viewer)).to_not include(reply2)
end
it 'promotes self-replies to the top while leaving the rest in order' do
a = Fabricate(:status, account: alice)
d = Fabricate(:status, account: jeff, thread: a)
e = Fabricate(:status, account: bob, thread: d)
c = Fabricate(:status, account: alice, thread: a)
f = Fabricate(:status, account: bob, thread: c)
expect(a.descendants(20)).to eq [c, d, e, f]
end
end
end