openproject/app/contracts/attachments/prepare_upload_contract.rb

#-- encoding: UTF-8

#-- copyright
# OpenProject is an open source project management software.
# Copyright (C) 2012-2021 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) 2006-2013 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 COPYRIGHT and LICENSE files for more details.
#++

module Attachments
  class PrepareUploadContract < CreateContract
    validate :validate_direct_uploads_active

    private

    def validate_direct_uploads_active
      errors.add :base, :not_available unless OpenProject::Configuration.direct_uploads?
    end

    ##
    # The browser hasn't given a specific content type.
    # So we don't check the content type here during the prepare_upload step yet.
    #
    # We'll do it again later in the FinishDirectUploadJob where the normal create contract
    # without this opt-out is used, and where a more specific content type may be
    # determined.
    def validate_content_type
      return if pending_content_type?

      super
    end

    def pending_content_type?
      return false unless OpenProject::Configuration.direct_uploads?

      model.content_type == OpenProject::ContentTypeDetector::SENSIBLE_DEFAULT
    end
  end
end