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Fix performance of home feed regeneration (#12084)

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Fetching statuses from all followed accounts at once takes too long
within Postgres. Fetching them one by one and merging in Ruby
could be a lot less resource-intensive

Because the query for dynamically fetching the home timeline is so
heavy, we can no longer offer it when the home timeline is missing
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Eugen Rochko 2019-10-06 22:11:17 +02:00 • committed by GitHub
parent efda126914
commit f665901e3c
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13 changed files with 134 additions and 143 deletions
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43
spec/models/status_spec.rb
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@ -296,49 +296,6 @@ RSpec.describe Status, type: :model do
end
end
describe '.as_home_timeline' do
let(:account) { Fabricate(:account) }
let(:followed) { Fabricate(:account) }
let(:not_followed) { Fabricate(:account) }
before do
Fabricate(:follow, account: account, target_account: followed)
@self_status = Fabricate(:status, account: account, visibility: :public)
@self_direct_status = Fabricate(:status, account: account, visibility: :direct)
@followed_status = Fabricate(:status, account: followed, visibility: :public)
@followed_direct_status = Fabricate(:status, account: followed, visibility: :direct)
@not_followed_status = Fabricate(:status, account: not_followed, visibility: :public)
@results = Status.as_home_timeline(account)
end
it 'includes statuses from self' do
expect(@results).to include(@self_status)
end
it 'does not include direct statuses from self' do
expect(@results).to_not include(@self_direct_status)
end
it 'includes statuses from followed' do
expect(@results).to include(@followed_status)
end
it 'does not include direct statuses mentioning recipient from followed' do
Fabricate(:mention, account: account, status: @followed_direct_status)
expect(@results).to_not include(@followed_direct_status)
end
it 'does not include direct statuses not mentioning recipient from followed' do
expect(@results).not_to include(@followed_direct_status)
end
it 'does not include statuses from non-followed' do
expect(@results).not_to include(@not_followed_status)
end
end
describe '.as_public_timeline' do
it 'only includes statuses with public visibility' do
public_status = Fabricate(:status, visibility: :public)