diff options
Diffstat (limited to 'activerecord/lib/generators/active_record/migration')
-rw-r--r-- | activerecord/lib/generators/active_record/migration/migration_generator.rb | 25 | ||||
-rw-r--r-- | activerecord/lib/generators/active_record/migration/templates/migration.rb | 11 |
2 files changed, 36 insertions, 0 deletions
diff --git a/activerecord/lib/generators/active_record/migration/migration_generator.rb b/activerecord/lib/generators/active_record/migration/migration_generator.rb new file mode 100644 index 0000000000..7939977f72 --- /dev/null +++ b/activerecord/lib/generators/active_record/migration/migration_generator.rb @@ -0,0 +1,25 @@ +require 'generators/active_record' + +module ActiveRecord + module Generators + class MigrationGenerator < Base + argument :attributes, :type => :array, :default => [], :banner => "field:type field:type" + + def create_migration_file + set_local_assigns! + migration_template "migration.rb", "db/migrate/#{file_name}.rb" + end + + protected + attr_reader :migration_action + + def set_local_assigns! + if file_name =~ /^(add|remove)_.*_(?:to|from)_(.*)/ + @migration_action = $1 + @table_name = $2.pluralize + end + end + + end + end +end diff --git a/activerecord/lib/generators/active_record/migration/templates/migration.rb b/activerecord/lib/generators/active_record/migration/templates/migration.rb new file mode 100644 index 0000000000..bbb7c53d86 --- /dev/null +++ b/activerecord/lib/generators/active_record/migration/templates/migration.rb @@ -0,0 +1,11 @@ +class <%= migration_class_name %> < ActiveRecord::Migration + def self.up<% attributes.each do |attribute| %> + <%= migration_action %>_column :<%= table_name %>, :<%= attribute.name %><% if migration_action == 'add' %>, :<%= attribute.type %><% end -%> + <%- end %> + end + + def self.down<% attributes.reverse.each do |attribute| %> + <%= migration_action == 'add' ? 'remove' : 'add' %>_column :<%= table_name %>, :<%= attribute.name %><% if migration_action == 'remove' %>, :<%= attribute.type %><% end -%> + <%- end %> + end +end |