class <%= migration_class_name %> < ActiveRecord::Migration <%- if migration_action == 'add' -%> def change <% attributes.each do |attribute| -%> add_column :<%= table_name %>, :<%= attribute.name %>, :<%= attribute.type %><%= attribute.inject_options %> <%- if attribute.has_index? -%> add_index :<%= table_name %>, :<%= attribute.index_name %><%= attribute.inject_index_options %> <%- end -%> <%- end -%> end <%- else -%> def up <% attributes.each do |attribute| -%> <%- if migration_action -%> <%= migration_action %>_column :<%= table_name %>, :<%= attribute.name %><% if migration_action == 'add' %>, :<%= attribute.type %><%= attribute.inject_options %><% end %> <%- if attribute.has_index? && migration_action == 'add' -%> add_index :<%= table_name %>, :<%= attribute.index_name %><%= attribute.inject_index_options %> <%- end -%> <%- end -%> <%- end -%> end def down <% attributes.reverse.each do |attribute| -%> <%- if migration_action -%> <%= migration_action == 'add' ? 'remove' : 'add' %>_column :<%= table_name %>, :<%= attribute.name %><% if migration_action == 'remove' %>, :<%= attribute.type %><%= attribute.inject_options %><% end %> <%- if attribute.has_index? && migration_action == 'remove' -%> add_index :<%= table_name %>, :<%= attribute.index_name %><%= attribute.inject_index_options %> <%- end -%> <%- end -%> <%- end -%> end <%- end -%> end