46 lines
1.5 KiB
Ruby
46 lines
1.5 KiB
Ruby
module Users
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class SuggestForSidebar
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def self.call(user, given_tag)
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new(user, given_tag).suggest
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end
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def initialize(user, given_tag)
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@user = user
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@given_tag = given_tag
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# TODO: This code got moved from elsewhere, but 25 seems to be geared
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# towards DEV and may not work for smaller communities.
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@minimum_reaction_count = Rails.env.production? ? 25 : 0
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end
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def suggest
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suggested_user_ids = Rails.cache.fetch(generate_cache_name, expires_in: 120.hours) do
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(reputable_user_ids + random_user_ids).uniq
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end
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User.select(:id, :name, :username, :profile_image).where(id: suggested_user_ids)
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end
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private
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attr_reader :user, :given_tag, :minimum_reaction_count
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def generate_cache_name
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"tag-#{given_tag}-user-#{user.id}-#{user.last_followed_at}/tag-follow-suggestions"
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end
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def active_authors_for_given_tags
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@active_authors_for_given_tags ||= Article.published.tagged_with([given_tag], any: true)
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.where(public_reactions_count: minimum_reaction_count..)
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.where(published_at: 4.months.ago..)
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.not_authored_by([user.id] + user.following_by_type("User"))
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.pluck(:user_id)
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end
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def reputable_user_ids
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User.where(id: active_authors_for_given_tags).order(reputation_modifier: :desc).limit(20).ids
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end
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def random_user_ids
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User.where(id: active_authors_for_given_tags).order(Arel.sql("RANDOM()")).limit(20).ids
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end
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end
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end
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