#-- copyright
# OpenProject is an open source project management software.
# Copyright (C) 2012-2020 the OpenProject GmbH
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License version 3.
#
# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
# Copyright (C) 2006-2017 Jean-Philippe Lang
# Copyright (C) 2010-2013 the ChiliProject Team
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
#
# See docs/COPYRIGHT.rdoc for more details.
#++

module API
  module V3
    module Utilities
      module EpropsConversion
        def raise_invalid_eprops(error, i18n_key)
          mapped_error = OpenStruct.new(params: [:eprops], message: I18n.t(i18n_key, message: error.message))
          raise ::Grape::Exceptions::ValidationErrors.new errors: [mapped_error]
        end

        def transform_eprops
          if params && params[:eprops]
            props = ::JSON.parse(Zlib::Inflate.inflate(Base64.decode64(params[:eprops]))).with_indifferent_access
            params.merge!(props)
          end
        rescue Zlib::DataError => e
          raise_invalid_eprops(e, 'api_v3.errors.eprops.invalid_gzip')
        rescue JSON::ParserError, NoMethodError => e
          raise_invalid_eprops(e, 'api_v3.errors.eprops.invalid_json')
        end
      end
    end
  end
end