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PERF: Allow preloading 'recent time read' for a user (#9076)

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This will be used when serializing multiple user cards
This commit is contained in:
David Taylor
2020-03-03 13:57:46 +00:00
committed by GitHub
parent d23f7af3cb
commit 65cc61be7a
2 changed files with 43 additions and 3 deletions
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28
spec/models/user_spec.rb
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@@ -2287,4 +2287,32 @@ describe User do
expect(user.approved).to eq(true)
end
end
describe "#recent_time_read" do
fab!(:user) { Fabricate(:user) }
fab!(:user2) { Fabricate(:user) }
before_all do
UserVisit.create(user_id: user.id, visited_at: 1.minute.ago, posts_read: 1, mobile: false, time_read: 10)
UserVisit.create(user_id: user.id, visited_at: 2.days.ago, posts_read: 1, mobile: false, time_read: 20)
UserVisit.create(user_id: user.id, visited_at: 1.week.ago, posts_read: 1, mobile: false, time_read: 30)
UserVisit.create(user_id: user.id, visited_at: 1.year.ago, posts_read: 1, mobile: false, time_read: 40) # Old, should be ignored
UserVisit.create(user_id: user2.id, visited_at: 1.minute.ago, posts_read: 1, mobile: false, time_read: 50)
end
it "calculates correctly" do
expect(user.recent_time_read).to eq(60)
expect(user2.recent_time_read).to eq(50)
end
it "preloads correctly" do
User.preload_recent_time_read([user, user2])
expect(user.instance_variable_get(:@recent_time_read)).to eq(60)
expect(user2.instance_variable_get(:@recent_time_read)).to eq(50)
expect(user.recent_time_read).to eq(60)
expect(user2.recent_time_read).to eq(50)
end
end
end