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Fix incorrect frequency value in `FriendsOfFriendsSource` data (#29550)

shrike
Matt Jankowski 2024-03-12 04:38:32 -04:00 committed by GitHub
parent 24319836de
commit 216cea1e27
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2 changed files with 32 additions and 10 deletions
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12
app/models/account_suggestions/friends_of_friends_source.rb
View File

@ -2,15 +2,19 @@
class AccountSuggestions::FriendsOfFriendsSource < AccountSuggestions::Source
def get(account, limit: DEFAULT_LIMIT)
source_query(account, limit: limit)
.map { |id, _frequency, _followers_count| [id, key] }
end
def source_query(account, limit: DEFAULT_LIMIT)
first_degree = account.following.where.not(hide_collections: true).select(:id).reorder(nil)
base_account_scope(account)
.joins(:account_stat)
.where(id: Follow.where(account_id: first_degree).select(:target_account_id))
.joins(:passive_relationships).where(passive_relationships: { account_id: first_degree })
.group('accounts.id, account_stats.id')
.reorder('frequency DESC, followers_count DESC')
.reorder(frequency: :desc, followers_count: :desc)
.limit(limit)
.pluck(Arel.sql('accounts.id, COUNT(*) AS frequency'))
.map { |id, _frequency| [id, key] }
.pluck(Arel.sql('accounts.id, COUNT(*) AS frequency, followers_count'))
end
private

30
spec/models/account_suggestions/friends_of_friends_source_spec.rb
View File

@ -11,9 +11,9 @@ RSpec.describe AccountSuggestions::FriendsOfFriendsSource do
let!(:eve) { Fabricate(:account, discoverable: true, hide_collections: false) }
let!(:mallory) { Fabricate(:account, discoverable: false, hide_collections: false) }
let!(:eugen) { Fabricate(:account, discoverable: true, hide_collections: false) }
let!(:neil) { Fabricate(:account, discoverable: true, hide_collections: false) }
let!(:john) { Fabricate(:account, discoverable: true, hide_collections: false) }
let!(:jerk) { Fabricate(:account, discoverable: true, hide_collections: false) }
let!(:neil) { Fabricate(:account, discoverable: true, hide_collections: false) }
let!(:larry) { Fabricate(:account, discoverable: true, hide_collections: false) }
context 'with follows and blocks' do
@ -70,13 +70,31 @@ RSpec.describe AccountSuggestions::FriendsOfFriendsSource do
end
it 'returns eligible accounts in the expected order' do
expect(subject.get(bob)).to eq [
[eugen.id, :friends_of_friends], # followed by 2 friends, 3 followers total
[john.id, :friends_of_friends], # followed by 2 friends, 2 followers total
[neil.id, :friends_of_friends], # followed by 1 friend, 2 followers total
[jerk.id, :friends_of_friends], # followed by 1 friend, 1 follower total
expect(subject.get(bob)).to eq expected_results
end
it 'contains correct underlying source data' do
expect(source_query_values)
.to contain_exactly(
[eugen.id, 2, 3], # Followed by 2 friends of bob (eve, mallory), 3 followers total (breaks tie)
[john.id, 2, 2], # Followed by 2 friends of bob (eve, mallory), 2 followers total
[neil.id, 1, 2], # Followed by 1 friends of bob (mallory), 2 followers total (breaks tie)
[jerk.id, 1, 1] # Followed by 1 friends of bob (eve), 1 followers total
)
end
def expected_results
[
[eugen.id, :friends_of_friends],
[john.id, :friends_of_friends],
[neil.id, :friends_of_friends],
[jerk.id, :friends_of_friends],
]
end
def source_query_values
subject.source_query(bob).to_a
end
end
end
end