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- # frozen_string_literal: true
- # == Schema Information
- #
- # Table name: follow_recommendations
- #
- # account_id :bigint(8) primary key
- # rank :decimal(, )
- # reason :text is an Array
- #
-
- class FollowRecommendation < ApplicationRecord
- self.primary_key = :account_id
-
- belongs_to :account_summary, foreign_key: :account_id
- belongs_to :account, foreign_key: :account_id
-
- scope :safe, -> { joins(:account_summary).merge(AccountSummary.safe) }
- scope :localized, ->(locale) { joins(:account_summary).merge(AccountSummary.localized(locale)) }
- scope :filtered, -> { joins(:account_summary).merge(AccountSummary.filtered) }
-
- def readonly?
- true
- end
-
- def self.get(account, limit, exclude_account_ids = [])
- account_ids = Redis.current.zrevrange("follow_recommendations:#{account.user_locale}", 0, -1).map(&:to_i) - exclude_account_ids - [account.id]
-
- return [] if account_ids.empty? || limit < 1
-
- accounts = Account.followable_by(account)
- .not_excluded_by_account(account)
- .not_domain_blocked_by_account(account)
- .where(id: account_ids)
- .limit(limit)
- .index_by(&:id)
-
- account_ids.map { |id| accounts[id] }.compact
- end
- end
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