Abstractions v2 stuff

1_hefty_model.rb

# Example of a few bad things (not a comprehensive list of bad ideas)
class Event < ActiveRecord::Base
  # Less OK - scopes and retrieval helpers
  scope :expensive, -> { where('desired_fee > 1000') }
  scope :more_expensive_than, ->(cost) { where('desired_fee > ?', cost) }
  def jan_events
    where("strftime('%m', tentative_date) = 01")
  end

  # Not OK - arcane code that probably isn't reusable
  def do_weird_things(title, other_event, new_price, *args)
    @title = title + args.join(' ? ')
    other_event.title = @title
    puts "#{new_price}"
  end

  # Not OK - view logic
  def cool_title
    "COOL #{@title}"
  end
end

2_heft_abs.rb

# In our brilliance, we abstracted!
class Event < ActiveRecord::Base
  include EventScopes
  include EventWeirdThings
  include EventHelpers
  include StuffAndThings
end