```ruby
require "atchu/connection"
require "atchu/model_file_maker"
require "atchu/model"

module Atchu
  extend self

  def for_db db_config
    Connection.connect db_config
    self
  end

  def generate_models_at output_folder
     tables = Connection.get.tables
     models = tables.map{|table| Model.for_table(table)}
     models.each{|model|ModelFileMaker.new(model).write_to output_folder}
  end
end
```

Clean up the output repo before re-loading active records
user
```ruby
require "atchu/connection"
require "atchu/model_file_maker"
require "atchu/model"

module Atchu
  extend self

  def for_db db_config
    Connection.connect db_config
    self
  end

  def generate_models_at output_folder
    Pathname.new(dir_path).children.each { |p| p.unlink }
     tables = Connection.get.tables
     models = tables.map{|table| Model.for_table(table)}
     models.each{|model|ModelFileMaker.new(model).write_to output_folder}
  end
end
```
assistant