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Implement infinity home timeline (#1610)
* Implement infinity home timeline * Fix test for infinite home timeline * Fix infinity home timeline with min_id * Fix infinite home timeline duplicated statuses * Codeclimate for infinite home timeline * Refactor code as reviewed * Fix redis sufficient check * Fix typo on variable namesignup-info-prompt
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@ -9,4 +9,41 @@ class HomeFeed < Feed
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def regenerating?
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redis.exists?("account:#{@account.id}:regeneration")
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end
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def get(limit, max_id = nil, since_id = nil, min_id = nil)
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limit = limit.to_i
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max_id = max_id.to_i if max_id.present?
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since_id = since_id.to_i if since_id.present?
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min_id = min_id.to_i if min_id.present?
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statuses = from_redis(limit, max_id, since_id, min_id)
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return statuses if statuses.size >= limit
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redis_min_id = from_redis(1, nil, nil, 0).first&.id if min_id.present? || since_id.present?
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redis_sufficient = redis_min_id && (
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(min_id.present? && min_id >= redis_min_id) ||
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(since_id.present? && since_id >= redis_min_id)
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)
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unless redis_sufficient
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remaining_limit = limit - statuses.size
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max_id = statuses.last.id unless statuses.empty?
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statuses += from_database(remaining_limit, max_id, since_id, min_id)
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end
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statuses
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end
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protected
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def from_database(limit, max_id, since_id, min_id)
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# Note that this query will not contains direct messages
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Status
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.where(account: [@account] + @account.following)
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.where(visibility: [:public, :unlisted, :private])
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.to_a_paginated_by_id(limit, min_id: min_id, max_id: max_id, since_id: since_id)
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.reject { |status| FeedManager.instance.filter?(:home, status, @account) }
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.sort_by { |status| -status.id }
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end
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end
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@ -21,12 +21,17 @@ RSpec.describe HomeFeed, type: :model do
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)
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end
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it 'gets statuses with ids in the range from redis' do
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it 'gets statuses with ids in the range from redis with database' do
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results = subject.get(3)
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expect(results.map(&:id)).to eq [3, 2]
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expect(results.map(&:id)).to eq [3, 2, 1]
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expect(results.first.attributes.keys).to eq %w(id updated_at)
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end
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it 'with min_id present' do
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results = subject.get(3, nil, nil, 0)
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expect(results.map(&:id)).to eq [3, 2, 1]
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end
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end
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context 'when feed is being generated' do
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@ -34,10 +39,15 @@ RSpec.describe HomeFeed, type: :model do
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Redis.current.set("account:#{account.id}:regeneration", true)
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end
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it 'returns nothing' do
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it 'returns from database' do
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results = subject.get(3)
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expect(results.map(&:id)).to eq []
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expect(results.map(&:id)).to eq [10, 3, 2]
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end
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it 'with min_id present' do
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results = subject.get(3, nil, nil, 0)
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expect(results.map(&:id)).to eq [3, 2, 1]
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end
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end
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end
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