kanbanworkflowstimelinescrumrubyroadmapproject-planningproject-managementopenprojectangularissue-trackerifcgantt-chartganttbug-trackerboardsbcf
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
171 lines
6.6 KiB
171 lines
6.6 KiB
#-- encoding: UTF-8
|
|
|
|
#-- 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.
|
|
#++
|
|
|
|
class WorkPackages::SetScheduleService
|
|
attr_accessor :user, :work_packages
|
|
|
|
def initialize(user:, work_package:)
|
|
self.user = user
|
|
self.work_packages = Array(work_package)
|
|
end
|
|
|
|
def call(attributes = %i(start_date due_date))
|
|
altered = if (%i(parent parent_id) & attributes).any?
|
|
schedule_by_parent
|
|
else
|
|
[]
|
|
end
|
|
|
|
if (%i(start_date due_date parent parent_id) & attributes).any?
|
|
altered += schedule_following
|
|
end
|
|
|
|
result = ServiceResult.new(success: true,
|
|
result: work_packages.first)
|
|
|
|
altered.each do |wp|
|
|
result.add_dependent!(ServiceResult.new(success: true,
|
|
result: wp))
|
|
end
|
|
|
|
result
|
|
end
|
|
|
|
private
|
|
|
|
def schedule_by_parent
|
|
work_packages
|
|
.select { |wp| wp.start_date.nil? && wp.parent }
|
|
.each { |wp| wp.start_date = wp.parent.soonest_start }
|
|
end
|
|
|
|
# Finds all work packages that need to be rescheduled because of a rescheduling of the service's work package
|
|
# and reschedules them.
|
|
# The order of the rescheduling is important as successors' dates are calculated based on their predecessors' dates and
|
|
# ancestors' dates based on their childrens' dates.
|
|
# Thus, the work packages following (having a follows relation, direct or transitively) the service's work package
|
|
# are first all loaded, and then sorted by their need to be scheduled before one another:
|
|
# - predecessors are scheduled before their successors
|
|
# - children/descendants are scheduled before their parents/ancestors
|
|
# Manually scheduled work packages are not encountered at this point as they are filtered out when fetching the
|
|
# work packages eligible for rescheduling.
|
|
def schedule_following
|
|
altered = []
|
|
|
|
WorkPackages::ScheduleDependency.new(work_packages).each do |scheduled, dependency|
|
|
reschedule(scheduled, dependency)
|
|
|
|
altered << scheduled if scheduled.changed?
|
|
end
|
|
|
|
altered
|
|
end
|
|
|
|
# Schedules work packages based on either
|
|
# - their descendants if they are parents
|
|
# - their predecessors (or predecessors of their ancestors) if they are leaves
|
|
def reschedule(scheduled, dependency)
|
|
if dependency.descendants.any?
|
|
reschedule_ancestor(scheduled, dependency)
|
|
else
|
|
reschedule_by_follows(scheduled, dependency)
|
|
end
|
|
end
|
|
|
|
# Inherits the start/due_date from the descendants of this work package. Only parent work packages are scheduled like this.
|
|
# start_date receives the minimum of the dates (start_date and due_date) of the descendants
|
|
# due_date receives the maximum of the dates (start_date and due_date) of the descendants
|
|
def reschedule_ancestor(scheduled, dependency)
|
|
scheduled.start_date = dependency.start_date
|
|
scheduled.due_date = dependency.due_date
|
|
end
|
|
|
|
# Calculates the dates of a work package based on its follows relations. The follows relations of
|
|
# ancestors are considered to be equal to own follows relations as they inhibit moving a work package
|
|
# just the same. Only leaf work packages are calculated like this.
|
|
# * work package is moved to a later date (delta positive):
|
|
# - all following work packages are moved by the same amount unless there is still a time buffer between work package and
|
|
# its predecessors (predecessors can also be acquired transitively by ancestors)
|
|
# * work package moved to an earlier date (delta negative):
|
|
# - all following work packages are moved by the same amount unless a follows relation of the work package or one of its
|
|
# ancestors limits moving it. Then it is moved to the earliest date possible. This limitation is propagated transtitively
|
|
# to all following work packages.
|
|
def reschedule_by_follows(scheduled, dependency)
|
|
delta = follows_delta(dependency)
|
|
min_start_date = dependency.max_date_of_followed
|
|
|
|
if delta.zero? && min_start_date
|
|
reschedule_to_date(scheduled, min_start_date)
|
|
elsif !scheduled.start_date && min_start_date
|
|
schedule_on_missing_dates(scheduled, min_start_date)
|
|
elsif !delta.zero?
|
|
reschedule_by_delta(scheduled, delta, min_start_date)
|
|
end
|
|
end
|
|
|
|
def date_rescheduling_delta(predecessor)
|
|
if predecessor.due_date.present?
|
|
predecessor.due_date - (predecessor.due_date_was || predecessor.due_date)
|
|
elsif predecessor.start_date.present?
|
|
predecessor.start_date - (predecessor.start_date_was || predecessor.start_date)
|
|
else
|
|
0
|
|
end
|
|
end
|
|
|
|
def reschedule_to_date(scheduled, date)
|
|
new_start_date = [scheduled.start_date, date].compact.max
|
|
|
|
scheduled.due_date = new_start_date + scheduled.duration - 1
|
|
scheduled.start_date = new_start_date
|
|
end
|
|
|
|
def reschedule_by_delta(scheduled, delta, min_start_date)
|
|
required_delta = [min_start_date - (scheduled.start_date || min_start_date), [delta, 0].min].max
|
|
|
|
scheduled.start_date += required_delta
|
|
scheduled.due_date += required_delta if scheduled.due_date
|
|
end
|
|
|
|
# If the start_date of scheduled is nil at this point something
|
|
# went wrong before. So we fix it now by setting the date.
|
|
def schedule_on_missing_dates(scheduled, min_start_date)
|
|
scheduled.start_date = min_start_date
|
|
scheduled.due_date = scheduled.start_date + 1 if scheduled.due_date && scheduled.due_date < scheduled.start_date
|
|
end
|
|
|
|
def follows_delta(dependency)
|
|
if dependency.follows_moved.first
|
|
date_rescheduling_delta(dependency.follows_moved.first.to)
|
|
else
|
|
0
|
|
end
|
|
end
|
|
end
|
|
|