Sha256: 83de59dd952ab897f20c07227613820a1f2f94ecef6e79f5a6bdb89c4403ff6f
Contents?: true
Size: 1.81 KB
Versions: 16
Compression:
Stored size: 1.81 KB
Contents
module Spree
class TranslationMigrations
def initialize(resource_class, default_locale)
@resource_class = resource_class
@translations_table = resource_class::Translation.table_name
@translatable_fields = resource_class.translatable_fields.join(', ')
@foreign_key = "#{resource_class.table_name.singularize}_id"
@default_locale = default_locale
end
def transfer_translation_data
nullify_translatable_fields = @resource_class.translatable_fields.map { |f| "#{f}=null" }.join(', ')
unless @resource_class::Translation.exists?
ActiveRecord::Base.connection.execute("
INSERT INTO #{@translations_table} (#{@translatable_fields}, #{@foreign_key}, locale, created_at, updated_at)
SELECT #{@translatable_fields}, id, '#{@default_locale}' as locale, created_at, updated_at FROM #{@resource_class.table_name};
")
ActiveRecord::Base.connection.execute("
UPDATE #{@resource_class.table_name}
SET #{nullify_translatable_fields};
")
end
end
def revert_translation_data_transfer
translation_table_fields = @resource_class.translatable_fields.map { |f| "#{@translations_table}.#{f}" }.join(', ')
row_expression = @resource_class.translatable_fields.count == 1 ? 'ROW' : ''
ActiveRecord::Base.connection.execute("
UPDATE #{@resource_class.table_name}
SET (#{@translatable_fields}) = #{row_expression}(#{translation_table_fields})
FROM #{@translations_table}
WHERE #{@translations_table}.#{@foreign_key} = #{@resource_class.table_name}.id
")
ActiveRecord::Base.connection.execute("TRUNCATE TABLE #{@translations_table}")
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems