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Add cold-start follow recommendations (#15945)

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Eugen Rochko 2021-04-12 12:37:14 +02:00 • committed by GitHub
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32 changed files with 560 additions and 26 deletions
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app/models/account_suggestions.rb Normal file
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# frozen_string_literal: true
class AccountSuggestions
class Suggestion < ActiveModelSerializers::Model
attributes :account, :source
end
def self.get(account, limit)
suggestions = PotentialFriendshipTracker.get(account, limit).map { |target_account| Suggestion.new(account: target_account, source: :past_interaction) }
suggestions.concat(FollowRecommendation.get(account, limit - suggestions.size, suggestions.map { |suggestion| suggestion.account.id }).map { |target_account| Suggestion.new(account: target_account, source: :global) }) if suggestions.size < limit
suggestions
end
def self.remove(account, target_account_id)
PotentialFriendshipTracker.remove(account.id, target_account_id)
end
end