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Revert DM support in HomeFeed#from_database

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Fixes #1746

Queries could get prohibitively expensive.
This commit is contained in:
Claire 2022-04-16 21:20:07 +02:00
parent 5db3a14388
commit ec4a8d81b1
2 changed files with 14 additions and 31 deletions
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6
app/models/home_feed.rb
View File

@ -44,10 +44,8 @@ class HomeFeed < Feed
protected
def from_database(limit, max_id, since_id, min_id)
scope = Status.where(account: @account.following)
scope = scope.left_outer_joins(:mentions)
scope = scope.where(visibility: %i(public unlisted private)).or(scope.where(mentions: { account_id: @account.id })).group(Status.arel_table[:id])
scope = scope.or(Status.where(account: @account))
scope = Status.where(account: @account).or(Status.where(account: @account.following))
scope = scope.where(visibility: %i(public unlisted private))
scope
.to_a_paginated_by_id(limit, min_id: min_id, max_id: max_id, since_id: since_id)
.reject { |status| FeedManager.instance.filter?(:home, status, @account) }

39
spec/models/home_feed_spec.rb
View File

@ -19,32 +19,23 @@ RSpec.describe HomeFeed, type: :model do
Fabricate(:status, account: other, id: 11)
Fabricate(:status, account: followed, id: 12, visibility: :private)
Fabricate(:status, account: followed, id: 13, visibility: :direct)
Fabricate(:status, account: account, id: 14, visibility: :direct)
dm = Fabricate(:status, account: followed, id: 15, visibility: :direct)
Fabricate(:mention, account: account, status: dm)
end
context 'when feed is generated' do
before do
FeedManager.instance.populate_home(account)
# Add direct messages because populate_home does not do that
Redis.current.zadd(
FeedManager.instance.key(:home, account.id),
[[14, 14], [15, 15]]
)
end
it 'gets statuses with ids in the range from redis with database' do
results = subject.get(5)
results = subject.get(3)
expect(results.map(&:id)).to eq [15, 14, 12, 10, 3]
expect(results.map(&:id)).to eq [12, 10, 3]
expect(results.first.attributes.keys).to eq %w(id updated_at)
end
it 'with since_id present' do
results = subject.get(5, nil, 3, nil)
expect(results.map(&:id)).to eq [15, 14, 12, 10]
results = subject.get(3, nil, 3, nil)
expect(results.map(&:id)).to eq [12, 10]
end
it 'with min_id present' do
@ -57,25 +48,19 @@ RSpec.describe HomeFeed, type: :model do
before do
FeedManager.instance.populate_home(account)
# Add direct messages because populate_home does not do that
Redis.current.zadd(
FeedManager.instance.key(:home, account.id),
[[14, 14], [15, 15]]
)
Redis.current.zremrangebyrank(FeedManager.instance.key(:home, account.id), 0, -2)
end
it 'gets statuses with ids in the range from redis with database' do
results = subject.get(5)
results = subject.get(3)
expect(results.map(&:id)).to eq [15, 14, 12, 10, 3]
expect(results.map(&:id)).to eq [12, 10, 3]
expect(results.first.attributes.keys).to eq %w(id updated_at)
end
it 'with since_id present' do
results = subject.get(5, nil, 3, nil)
expect(results.map(&:id)).to eq [15, 14, 12, 10]
results = subject.get(3, nil, 3, nil)
expect(results.map(&:id)).to eq [12, 10]
end
it 'with min_id present' do
@ -90,14 +75,14 @@ RSpec.describe HomeFeed, type: :model do
end
it 'returns from database' do
results = subject.get(5)
results = subject.get(3)
expect(results.map(&:id)).to eq [15, 14, 12, 10, 3]
expect(results.map(&:id)).to eq [12, 10, 3]
end
it 'with since_id present' do
results = subject.get(5, nil, 3, nil)
expect(results.map(&:id)).to eq [15, 14, 12, 10]
results = subject.get(3, nil, 3, nil)
expect(results.map(&:id)).to eq [12, 10]
end
it 'with min_id present' do