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35 lines
1.2 KiB
35 lines
1.2 KiB
7 years ago
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# frozen_string_literal: true
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require 'singleton'
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class EntityCache
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include Singleton
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MAX_EXPIRATION = 7.days.freeze
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def mention(username, domain)
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Rails.cache.fetch(to_key(:mention, username, domain), expires_in: MAX_EXPIRATION) { Account.select(:username, :domain, :url).find_remote(username, domain) }
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end
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def emoji(shortcodes, domain)
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shortcodes = [shortcodes] unless shortcodes.is_a?(Array)
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cached = Rails.cache.read_multi(*shortcodes.map { |shortcode| to_key(:emoji, shortcode, domain) })
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uncached_ids = []
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shortcodes.each do |shortcode|
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uncached_ids << shortcode unless cached.key?(to_key(:emoji, shortcode, domain))
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end
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unless uncached_ids.empty?
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uncached = CustomEmoji.where(shortcode: shortcodes, domain: domain, disabled: false).select(:shortcode, :id, :image_file_name, :visible_in_picker).map { |item| [item.shortcode, item] }.to_h
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uncached.each_value { |item| Rails.cache.write(to_key(:emoji, item.shortcode, domain), item, expires_in: MAX_EXPIRATION) }
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end
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shortcodes.map { |shortcode| cached[to_key(:emoji, shortcode, domain)] || uncached[shortcode] }.compact
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end
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def to_key(type, *ids)
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"#{type}:#{ids.compact.map(&:downcase).join(':')}"
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end
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end
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