# frozen_string_literal: true

#-- copyright
# OpenProject is an open source project management software.
# Copyright (C) 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.
#++

class Backup < Export
  class << self
    def permission
      :create_backup
    end

    def include_attachments?
      val = Setting.backup_include_attachments

      val.nil? ? true : val.to_s.to_bool # default to true
    end

    ##
    # Don't include attachments in archive if they are larger than
    # this value combined.
    def attachment_size_max_sum_mb
      (Setting.backup_attachment_size_max_sum_mb.presence || 1024).to_i
    end

    def attachments_query
      Attachment
        .not_pending_direct_upload
        .where.not(container_type: nil)
        .where.not(container_type: Export.name)
    end

    def attachments_size_in_mb(attachments_query = self.attachments_query)
      attachments_query.pluck(:filesize).sum / 1024.0 / 1024.0
    end

    def attachments_size_in_bounds?(attachments_query = self.attachments_query, max: attachment_size_max_sum_mb)
      attachments_size_in_mb(attachments_query) <= max
    end
  end

  acts_as_attachable(
    view_permission: permission,
    add_permission: permission,
    delete_permission: permission,
    only_user_allowed: true
  )

  def ready?
    attachments.any?
  end
end