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# Redmine - project management software
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# Copyright (C) 2006-2015 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 Role < ActiveRecord::Base
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# Custom coder for the permissions attribute that should be an
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# array of symbols. Rails 3 uses Psych which can be *unbelievably*
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# slow on some platforms (eg. mingw32).
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class PermissionsAttributeCoder
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def self.load(str)
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str.to_s.scan(/:([a-z0-9_]+)/).flatten.map(&:to_sym)
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end
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def self.dump(value)
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YAML.dump(value)
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end
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end
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# Built-in roles
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BUILTIN_NON_MEMBER = 1
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BUILTIN_ANONYMOUS = 2
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ISSUES_VISIBILITY_OPTIONS = [
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['all', :label_issues_visibility_all],
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['default', :label_issues_visibility_public],
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['own', :label_issues_visibility_own]
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]
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TIME_ENTRIES_VISIBILITY_OPTIONS = [
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['all', :label_time_entries_visibility_all],
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['own', :label_time_entries_visibility_own]
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]
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USERS_VISIBILITY_OPTIONS = [
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['all', :label_users_visibility_all],
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['members_of_visible_projects', :label_users_visibility_members_of_visible_projects]
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]
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scope :sorted, lambda { order(:builtin, :position) }
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scope :givable, lambda { order(:position).where(:builtin => 0) }
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scope :builtin, lambda { |*args|
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compare = (args.first == true ? 'not' : '')
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where("#{compare} builtin = 0")
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}
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before_destroy :check_deletable
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has_many :workflow_rules, :dependent => :delete_all do
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def copy(source_role)
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WorkflowRule.copy(nil, source_role, nil, proxy_association.owner)
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end
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end
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has_and_belongs_to_many :custom_fields, :join_table => "#{table_name_prefix}custom_fields_roles#{table_name_suffix}", :foreign_key => "role_id"
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has_and_belongs_to_many :managed_roles, :class_name => 'Role',
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:join_table => "#{table_name_prefix}roles_managed_roles#{table_name_suffix}",
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:association_foreign_key => "managed_role_id"
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has_many :member_roles, :dependent => :destroy
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has_many :members, :through => :member_roles
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acts_as_list
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serialize :permissions, ::Role::PermissionsAttributeCoder
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attr_protected :builtin
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validates_presence_of :name
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validates_uniqueness_of :name
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validates_length_of :name, :maximum => 30
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validates_inclusion_of :issues_visibility,
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:in => ISSUES_VISIBILITY_OPTIONS.collect(&:first),
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:if => lambda {|role| role.respond_to?(:issues_visibility) && role.issues_visibility_changed?}
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validates_inclusion_of :users_visibility,
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:in => USERS_VISIBILITY_OPTIONS.collect(&:first),
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:if => lambda {|role| role.respond_to?(:users_visibility) && role.users_visibility_changed?}
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validates_inclusion_of :time_entries_visibility,
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:in => TIME_ENTRIES_VISIBILITY_OPTIONS.collect(&:first),
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:if => lambda {|role| role.respond_to?(:time_entries_visibility) && role.time_entries_visibility_changed?}
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# Copies attributes from another role, arg can be an id or a Role
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def copy_from(arg, options={})
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return unless arg.present?
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role = arg.is_a?(Role) ? arg : Role.find_by_id(arg.to_s)
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self.attributes = role.attributes.dup.except("id", "name", "position", "builtin", "permissions")
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self.permissions = role.permissions.dup
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self
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end
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def permissions=(perms)
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perms = perms.collect {|p| p.to_sym unless p.blank? }.compact.uniq if perms
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write_attribute(:permissions, perms)
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end
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def add_permission!(*perms)
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self.permissions = [] unless permissions.is_a?(Array)
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permissions_will_change!
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perms.each do |p|
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p = p.to_sym
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permissions << p unless permissions.include?(p)
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end
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save!
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end
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def remove_permission!(*perms)
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return unless permissions.is_a?(Array)
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permissions_will_change!
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perms.each { |p| permissions.delete(p.to_sym) }
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save!
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end
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# Returns true if the role has the given permission
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def has_permission?(perm)
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!permissions.nil? && permissions.include?(perm.to_sym)
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end
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def consider_workflow?
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has_permission?(:add_issues) || has_permission?(:edit_issues)
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end
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def <=>(role)
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if role
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if builtin == role.builtin
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position <=> role.position
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else
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builtin <=> role.builtin
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end
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else
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-1
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end
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end
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def to_s
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name
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end
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def name
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case builtin
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when 1; l(:label_role_non_member, :default => read_attribute(:name))
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when 2; l(:label_role_anonymous, :default => read_attribute(:name))
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else; read_attribute(:name)
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end
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end
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# Return true if the role is a builtin role
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def builtin?
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self.builtin != 0
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end
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# Return true if the role is the anonymous role
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def anonymous?
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builtin == 2
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end
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# Return true if the role is a project member role
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def member?
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!self.builtin?
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end
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# Return true if role is allowed to do the specified action
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# action can be:
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# * a parameter-like Hash (eg. :controller => 'projects', :action => 'edit')
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# * a permission Symbol (eg. :edit_project)
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def allowed_to?(action)
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if action.is_a? Hash
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allowed_actions.include? "#{action[:controller]}/#{action[:action]}"
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else
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allowed_permissions.include? action
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end
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end
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# Return all the permissions that can be given to the role
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def setable_permissions
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setable_permissions = Redmine::AccessControl.permissions - Redmine::AccessControl.public_permissions
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setable_permissions -= Redmine::AccessControl.members_only_permissions if self.builtin == BUILTIN_NON_MEMBER
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setable_permissions -= Redmine::AccessControl.loggedin_only_permissions if self.builtin == BUILTIN_ANONYMOUS
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setable_permissions
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end
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# Find all the roles that can be given to a project member
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def self.find_all_givable
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Role.givable.to_a
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end
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# Return the builtin 'non member' role. If the role doesn't exist,
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# it will be created on the fly.
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def self.non_member
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find_or_create_system_role(BUILTIN_NON_MEMBER, 'Non member')
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end
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# Return the builtin 'anonymous' role. If the role doesn't exist,
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# it will be created on the fly.
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def self.anonymous
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find_or_create_system_role(BUILTIN_ANONYMOUS, 'Anonymous')
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end
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private
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def allowed_permissions
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@allowed_permissions ||= permissions + Redmine::AccessControl.public_permissions.collect {|p| p.name}
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end
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def allowed_actions
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@actions_allowed ||= allowed_permissions.inject([]) { |actions, permission| actions += Redmine::AccessControl.allowed_actions(permission) }.flatten
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end
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def check_deletable
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raise "Cannot delete role" if members.any?
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raise "Cannot delete builtin role" if builtin?
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end
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def self.find_or_create_system_role(builtin, name)
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role = where(:builtin => builtin).first
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if role.nil?
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role = create(:name => name, :position => 0) do |r|
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r.builtin = builtin
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end
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raise "Unable to create the #{name} role." if role.new_record?
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end
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role
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end
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end
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