OpenProject is the leading open source project management software.
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openproject/modules/costs/app/helpers/hourly_rates_helper.rb

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#-- 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 docs/COPYRIGHT.rdoc for more details.
#++
module HourlyRatesHelper
include CostlogHelper
# Returns the rate that is the closest at the specified date and that is
# defined in the specified projects or it's ancestors. The ancestor chain
# is traversed from the specified project upwards.
#
# Expects all_rates to be all the rates that the user possibly has
# grouped by project typically by having called HourlyRates.history_for_user
#
# This is faster than calling current_rate for each project
def at_date_in_project_with_ancestors(at_date, all_rates, project)
self_and_ancestors = all_rates.keys
.select { |ancestor| ancestor.lft <= project.lft && ancestor.rgt >= project.rgt }
.sort_by(&:lft)
.reverse
self_and_ancestors.each do |ancestor|
rate = all_rates[ancestor].select { |rate| rate.valid_from <= at_date }
.sort_by(&:valid_from)
.last
return rate if rate
end
return nil
end
end