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https://github.com/funamitech/mastodon
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6fed108703
Co-authored-by: Claire <claire.github-309c@sitedethib.com>
81 lines
2.2 KiB
Ruby
81 lines
2.2 KiB
Ruby
# frozen_string_literal: true
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module Account::Counters
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extend ActiveSupport::Concern
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ALLOWED_COUNTER_KEYS = %i(statuses_count following_count followers_count).freeze
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included do
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has_one :account_stat, inverse_of: :account, dependent: nil
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after_save :save_account_stat
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end
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delegate :statuses_count,
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:statuses_count=,
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:following_count,
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:following_count=,
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:followers_count,
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:followers_count=,
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:last_status_at,
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to: :account_stat
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# @param [Symbol] key
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def increment_count!(key)
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update_count!(key, 1)
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end
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# @param [Symbol] key
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def decrement_count!(key)
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update_count!(key, -1)
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end
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# @param [Symbol] key
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# @param [Integer] value
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def update_count!(key, value)
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raise ArgumentError, "Invalid key #{key}" unless ALLOWED_COUNTER_KEYS.include?(key)
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raise ArgumentError, 'Do not call update_count! on dirty objects' if association(:account_stat).loaded? && account_stat&.changed? && account_stat.changed_attribute_names_to_save == %w(id)
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result = updated_account_stat(key, value.to_i)
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# Reload account_stat if it was loaded, taking into account newly-created unsaved records
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if association(:account_stat).loaded?
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account_stat.id = result.first['id'] if account_stat.new_record?
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account_stat.reload
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end
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end
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def account_stat
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super || build_account_stat
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end
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private
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def updated_account_stat(key, value)
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AccountStat.upsert(
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initial_values(key, value),
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on_duplicate: Arel.sql(
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duplicate_values(key, value).join(', ')
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),
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unique_by: :account_id
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)
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end
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def initial_values(key, value)
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{ :account_id => id, key => [value, 0].max }.tap do |values|
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values.merge!(last_status_at: Time.current) if key == :statuses_count
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end
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end
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def duplicate_values(key, value)
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["#{key} = (account_stats.#{key} + #{value})", 'updated_at = CURRENT_TIMESTAMP'].tap do |values|
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values << 'last_status_at = CURRENT_TIMESTAMP' if key == :statuses_count && value.positive?
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end
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end
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def save_account_stat
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return unless association(:account_stat).loaded? && account_stat&.changed?
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account_stat.save
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end
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end
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