matt

matt.rb

cw = ChatWindow.new(user, other_user)

cw.avatar
cw.lasst_update
cw.messages.each do |m|
  render m
end
cw.last_updated




ChatMessages.new(from: current_user, to: other_user)




# app/queries/chat_messages.rb


class ChatWindow
  def initialize(user, other_user)
    @user, @other_user = user, other_user
  end

  def last_updated

  end

  def avatar
    other_user.avatar
  end

  def last_message
    messages.last
  end

  def messages
    @messages ||= ChatMessages.new(user, lther_user)
  end
end




class ChatMessages
  def initialize(user, other_user)
    @user, @other_user = user, other_user
    
  end

  def messages
    load_messages.map do |m|
      MessagePresenter.new(m)
    end
  end


  private

  def load_messages
    @messages ||= Message.where(user: user, other_user: other_user).includes(:user).limit(25).to_a
  end
end



class MessagePresenter < SimpleDelegator

  def style
    from_current_user? ? 'current' : 'other'

  end
  def from_current_user?
    # do some logic
  end

  def from_best_frend?
  end

  def from_blocked?
  end

  def how_long_ago
  end

end