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# Redmine - project management software
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# Copyright (C) 2006-2016 Jean-Philippe Lang
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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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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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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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class MemberRole < ActiveRecord::Base
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belongs_to :member
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belongs_to :role
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after_destroy :remove_member_if_empty
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after_create :add_role_to_group_users, :add_role_to_subprojects
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after_destroy :remove_inherited_roles
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validates_presence_of :role
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validate :validate_role_member
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attr_protected :id
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def validate_role_member
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errors.add :role_id, :invalid if role && !role.member?
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end
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def inherited?
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!inherited_from.nil?
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end
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# Destroys the MemberRole without destroying its Member if it doesn't have
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# any other roles
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def destroy_without_member_removal
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@member_removal = false
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destroy
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end
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private
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def remove_member_if_empty
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if @member_removal != false && member.roles.empty?
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member.destroy
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end
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end
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def add_role_to_group_users
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if member.principal.is_a?(Group) && !inherited?
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member.principal.users.each do |user|
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user_member = Member.find_or_new(member.project_id, user.id)
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user_member.member_roles << MemberRole.new(:role => role, :inherited_from => id)
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user_member.save!
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end
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end
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end
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def add_role_to_subprojects
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member.project.children.each do |subproject|
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if subproject.inherit_members?
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child_member = Member.find_or_new(subproject.id, member.user_id)
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child_member.member_roles << MemberRole.new(:role => role, :inherited_from => id)
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child_member.save!
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end
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end
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end
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def remove_inherited_roles
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MemberRole.where(:inherited_from => id).group_by(&:member).
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each do |member, member_roles|
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member_roles.each(&:destroy)
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end
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end
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end
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