Class: Cabalist::ClassifierGenerator

Inherits:
Rails::Generators::NamedBase
  • Object
show all
Includes:
Rails::Generators::Migration
Defined in:
lib/generators/cabalist/classifier/classifier_generator.rb

Overview

A Rails-specific generator which enables a class to use Cabalist methods.

This generator creates a migration to add autoclassified_at attribute to a chosen ActiveRecord model. It also prompts the user whether the resulting classifier should be exposed through the GUI.

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.next_migration_number(dirname) ⇒ Object

Get the next available number for a database migration



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# File 'lib/generators/cabalist/classifier/classifier_generator.rb', line 22

def self.next_migration_number(dirname)
  Time.now.strftime("%Y%m%d%H%M%S")
end

Instance Method Details

#add_to_gui_if_necessary ⇒ Object

Prompt whether to expose the classifier through GUI



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# File 'lib/generators/cabalist/classifier/classifier_generator.rb', line 33

def add_to_gui_if_necessary
  add_to_gui = ''
  until %w(y Y n N).include?(add_to_gui)
    add_to_gui = ask "Would you like to have access to this model through GUI dashboard? (Y/n) "
  end
  if %w(Y y).include?(add_to_gui)
    inject_into_file "config/initializers/cabalist.rb",
                     "\n  config.frontend_classes << #{name}",
                     :before => "\nend"
  end
end

#create_migration ⇒ Object

Create a database migration adding autoclassified_at attribute.



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# File 'lib/generators/cabalist/classifier/classifier_generator.rb', line 27

def create_migration
  migration_template("migrations/add_cabalist.rb.erb",
      "db/migrate/add_cabalist_to_#{name.tableize}.rb")
end