self.get_read_states

in presenters/thread_utils.rb [18:42]

• 23 lines of code
• 4 McCabe index (conditional complexity)

  def self.get_read_states(threads, user, course_id)
    
    read_states = {}
    if user
      read_dates = {}
      read_state = user.read_states.where(:course_id => course_id).first
      if read_state
        read_dates = read_state["last_read_times"].to_hash
        threads.each do |t|
          thread_key = t._id.to_s
          if read_dates.has_key? thread_key
            is_read = read_dates[thread_key] >= t.last_activity_at
            unread_comment_count = Comment.collection.find(
              :comment_thread_id => t._id,
              :author_id => {"$ne" => user.id},
              :created_at => {"$gte" => read_dates[thread_key]}
              ).count
            read_states[thread_key] = [is_read, unread_comment_count]
          end
        end
      end
    end
    read_states
  end