Contents

module MigrationHelper
  include Rails::Generators::Migration  
  
  module ClassMethods    
    def migration_lookup_at(dirname) #:nodoc:
      Dir.glob("#{dirname}/[0-9]*_*.rb")
    end

    def migration_exists?(dirname, file_name) #:nodoc:
      migration_lookup_at(dirname).grep(/\d+_#{file_name}.rb$/).first
    end

    def current_migration_number(dirname) #:nodoc:
      migration_lookup_at(dirname).collect do |file|
        File.basename(file).split("_").first.to_i
      end.max.to_i
    end

    def next_migration_number(dirname) #:nodoc:
      orm = Rails.configuration.generators.options[:rails][:orm]
      require "rails/generators/#{orm}"
      "#{orm.to_s.camelize}::Generators::Base".constantize.next_migration_number(dirname)
    rescue
      raise NotImplementedError
    end
  end         

  def self.included(base) #:nodoc: 
    puts "MigrationHelper included by #{base}"
    base.extend ClassMethods      
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
netzke-core-0.6.2	lib/generators/migration_helper.rb
netzke-core-0.6.1	lib/generators/migration_helper.rb
netzke-core-0.6.0	lib/generators/migration_helper.rb