OpenProject is the leading open source project management software.
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openproject/app/seeders/composite_seeder.rb

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#-- copyright
# OpenProject is an open source project management software.
# Copyright (C) 2012-2023 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 CompositeSeeder < Seeder
def seed_data!
ActiveRecord::Base.transaction do
data_seeders.each do |seeder|
puts "#{seeder.class.name.demodulize}"
seeder.seed!
end
return if discovered_seeders.empty?
puts " Loading discovered seeders: "
discovered_seeders.each do |seeder|
puts "#{seeder.class.name.demodulize}"
seeder.seed!
end
end
end
def data_seeders
data_seeder_classes.map(&:new)
end
def data_seeder_classes
raise NotImplementedError, 'has to be implemented by subclasses'
end
def discovered_seeders
discovered_seeder_classes.map(&:new)
end
##
# Discovered seeders defined outside of the core (i.e. in plugins).
#
# Seeders defined in the core have a simple namespace, e.g. 'BasicData'
# or 'DemoData'. Plugins must define their seeders in their own namespace,
# e.g. 'BasicData::Documents' in order to avoid name conflicts.
def discovered_seeder_classes
Seeder
.subclasses
.reject { |cl| cl.to_s.deconstantize == namespace }
.select { |cl| include_discovered_class? cl }
end
def namespace
raise NotImplementedError, 'has to be implemented by subclasses'
end
##
# Accepts plugin seeders, e.g. 'BasicData::Documents'.
def include_discovered_class?(discovered_class)
discovered_class.name =~ /^#{namespace}::/
end
end