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86 lines
3.2 KiB
86 lines
3.2 KiB
#-- copyright
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# OpenProject Costs Plugin
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#
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# Copyright (C) 2009 - 2014 the OpenProject Foundation (OPF)
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# version 3.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#++
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class HourlyRate < Rate
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validates_uniqueness_of :valid_from, :scope => [:user_id, :project_id]
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validates_presence_of :user_id, :project_id, :valid_from
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validate :change_of_user_only_on_first_creation
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def previous(reference_date = self.valid_from)
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# This might return a default rate
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self.user.rate_at(reference_date - 1, self.project)
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end
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def next(reference_date = self.valid_from)
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HourlyRate.find(
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:first,
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:conditions => [ "user_id = ? and project_id = ? and valid_from > ?",
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self.user_id, self.project_id, reference_date],
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:order => "valid_from ASC"
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)
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end
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def self.history_for_user(usr, check_permissions = true)
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rates = Hash.new
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Project.has_module(:costs_module).active.visible.each do |project|
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next if (check_permissions && !User.current.allowed_to?(:view_hourly_rates, project, {:for_user => usr}))
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rates[project] = HourlyRate.find(:all,
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:conditions => { :user_id => usr, :project_id => project },
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:order => "#{HourlyRate.table_name}.valid_from desc")
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end
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# FIXME: What permissions to apply here?
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rates[nil] = DefaultHourlyRate.find(:all,
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:conditions => { :user_id => usr},
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:order => "#{DefaultHourlyRate.table_name}.valid_from desc")
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rates
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end
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def self.at_date_for_user_in_project(date, user_id, project = nil, include_default = true)
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user_id = user_id.id if user_id.is_a?(User)
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unless project.nil?
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rate = find(:first,
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:conditions => [ "user_id = ? and project_id = ? and valid_from <= ?", user_id, project, date],
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:order => "valid_from DESC")
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if rate.nil?
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project = Project.find(project) unless project.is_a?(Project)
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rate = find(:first,
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:conditions => [ "user_id = ? and project_id in (?) and valid_from <= ?", user_id, project.ancestors, date],
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:include => :project,
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:order => "projects.lft DESC, valid_from DESC")
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end
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end
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rate ||= DefaultHourlyRate.at_for_user(date, user_id) if include_default
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rate
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end
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private
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def change_of_user_only_on_first_creation
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# Only allow change of project and user on first creation
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return if self.new_record?
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errors.add :project_id, :invalid if project_id_changed?
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errors.add :user_id, :invalid if user_id_changed?
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end
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end
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