39 lines
864 B
Ruby
39 lines
864 B
Ruby
# This is used on a topic page
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class TopicParticipantsSummary
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attr_reader :topic, :options
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def initialize(topic, options = {})
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@topic = topic
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@options = options
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@user = options[:user]
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end
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def summary
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top_participants.compact.map(&method(:new_topic_poster_for))
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end
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def new_topic_poster_for(user)
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TopicPoster.new.tap do |topic_poster|
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topic_poster.user = user
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topic_poster.extras = 'latest' if is_latest_poster?(user)
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end
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end
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def is_latest_poster?(user)
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topic.last_post_user_id == user.id
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end
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def top_participants
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user_ids.map { |id| avatar_lookup[id] }.compact.uniq.take(3)
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end
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def user_ids
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return [] unless @user
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[topic.user_id] + topic.allowed_user_ids - [@user.id]
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end
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def avatar_lookup
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@avatar_lookup ||= options[:avatar_lookup] || AvatarLookup.new(user_ids)
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end
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end
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