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Announcement reactions query spec improvement and refactor (#28768)

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Matt Jankowski 2024-01-17 04:18:13 -05:00 committed by GitHub
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commit 1b0cb3b54d
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2 changed files with 46 additions and 18 deletions
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39
app/models/announcement.rb
View file

@ -75,22 +75,41 @@ class Announcement < ApplicationRecord
end
def reactions(account = nil)
records = begin
scope = announcement_reactions.group(:announcement_id, :name, :custom_emoji_id).order(Arel.sql('MIN(created_at) ASC'))
if account.nil?
scope.select('name, custom_emoji_id, count(*) as count, false as me')
else
scope.select("name, custom_emoji_id, count(*) as count, exists(select 1 from announcement_reactions r where r.account_id = #{account.id} and r.announcement_id = announcement_reactions.announcement_id and r.name = announcement_reactions.name) as me")
grouped_ordered_announcement_reactions.select(
[:name, :custom_emoji_id, 'COUNT(*) as count'].tap do |values|
values << value_for_reaction_me_column(account)
end
end.to_a
).to_a.tap do |records|
ActiveRecord::Associations::Preloader.new(records: records, associations: :custom_emoji).call
records
end
end
private
def grouped_ordered_announcement_reactions
announcement_reactions
.group(:announcement_id, :name, :custom_emoji_id)
.order(
Arel.sql('MIN(created_at)').asc
)
end
def value_for_reaction_me_column(account)
if account.nil?
'FALSE AS me'
else
<<~SQL.squish
EXISTS(
SELECT 1
FROM announcement_reactions inner_reactions
WHERE inner_reactions.account_id = #{account.id}
AND inner_reactions.announcement_id = announcement_reactions.announcement_id
AND inner_reactions.name = announcement_reactions.name
) AS me
SQL
end
end
def set_published
return unless scheduled_at.blank? || scheduled_at.past?

23
spec/models/announcement_spec.rb
View file

@ -115,26 +115,35 @@ describe Announcement do
describe '#reactions' do
context 'with announcement_reactions present' do
let(:account_reaction_emoji) { Fabricate :custom_emoji }
let(:other_reaction_emoji) { Fabricate :custom_emoji }
let!(:account) { Fabricate(:account) }
let!(:announcement) { Fabricate(:announcement) }
let!(:announcement_reaction) { Fabricate(:announcement_reaction, announcement: announcement, created_at: 10.days.ago) }
let!(:announcement_reaction_account) { Fabricate(:announcement_reaction, announcement: announcement, created_at: 5.days.ago, account: account) }
before do
Fabricate(:announcement_reaction)
Fabricate(:announcement_reaction, announcement: announcement, created_at: 10.days.ago, name: other_reaction_emoji.shortcode)
Fabricate(:announcement_reaction, announcement: announcement, created_at: 5.days.ago, account: account, name: account_reaction_emoji.shortcode)
Fabricate(:announcement_reaction) # For some other announcement
end
it 'returns the announcement reactions for the announcement' do
results = announcement.reactions
expect(results.first.name).to eq(announcement_reaction.name)
expect(results.last.name).to eq(announcement_reaction_account.name)
expect(results).to have_attributes(
size: eq(2),
first: have_attributes(name: other_reaction_emoji.shortcode, me: false),
last: have_attributes(name: account_reaction_emoji.shortcode, me: false)
)
end
it 'returns the announcement reactions for the announcement limited to account' do
it 'returns the announcement reactions for the announcement with `me` set correctly' do
results = announcement.reactions(account)
expect(results.first.name).to eq(announcement_reaction.name)
expect(results).to have_attributes(
size: eq(2),
first: have_attributes(name: other_reaction_emoji.shortcode, me: false),
last: have_attributes(name: account_reaction_emoji.shortcode, me: true)
)
end
end
end