Module: Rails::Generators::Migration::ClassMethods

Defined in:

railties/lib/rails/generators/migration.rb

Instance Method Summary (collapse)

• - (Object) current_migration_number(dirname)

  :nodoc:.

• - (Boolean) migration_exists?(dirname, file_name)

  :nodoc:.

• - (Object) migration_lookup_at(dirname)

  :nodoc:.

• - (Object) next_migration_number(dirname)

  :nodoc:.

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# File 'railties/lib/rails/generators/migration.rb', line 23

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

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# File 'railties/lib/rails/generators/migration.rb', line 19

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

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# File 'railties/lib/rails/generators/migration.rb', line 15

def migration_lookup_at(dirname) #:nodoc:
  Dir.glob("#{dirname}/[0-9]*_*.rb")
end

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# File 'railties/lib/rails/generators/migration.rb', line 29

def next_migration_number(dirname) #:nodoc:
  raise NotImplementedError
end