Module: Rails::Generators::MigrationHelper

Includes:
BasicHelper, Migration
Included in:
MigrationGenerator
Defined in:
lib/generator_spec/helpers/migration_helper.rb

Defined Under Namespace

Modules: ClassMethods

Class Method Summary collapse

Instance Method Summary collapse

Methods included from BasicHelper

#info

Class Method Details

.included(base) ⇒ Object

:nodoc:



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# File 'lib/generator_spec/helpers/migration_helper.rb', line 36

def self.included(base) #:nodoc: 
  base.extend ClassMethods      
end

Instance Method Details

#latest_migration_file ⇒ Object 



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# File 'lib/generator_spec/helpers/migration_helper.rb', line 56

def latest_migration_file
  self.class.latest_migration_file
end

#migration(options) ⇒ Object 



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# File 'lib/generator_spec/helpers/migration_helper.rb', line 60

def migration(options)
  migration_template "create_users.erb", "db/migrations/#{name}"
end

#reverse_migration!(migration_path) ⇒ Object 



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# File 'lib/generator_spec/helpers/migration_helper.rb', line 40

def reverse_migration! migration_path
  reverse_migration_path = migration_path.gsub /^add_/, 'remove_'          
  reverse_migration_path = migration_path.gsub /^create_/, 'drop_'          
  FileUtils.mv(migration_path, reverse_migration_path) if migration_path != reverse_migration_path

  file = File.new(reverse_migration_path)
  # Change class name
  gsub_file reverse_migration_path, /class Add/, 'class Remove'
  gsub_file reverse_migration_path, /class Create/, 'class Drop'

  # swap up and down methods
  gsub_file reverse_migration_path, /up/, 'dwn'
  gsub_file reverse_migration_path, /down/, 'up'
  gsub_file reverse_migration_path, /dwn/, 'down'        
end