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# redMine - project management software
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# Copyright (C) 2006 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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# Built-in roles
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BUILTIN_NON_MEMBER = 1
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BUILTIN_ANONYMOUS = 2
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before_destroy :check_deletable
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has_many :workflows, :dependent => :delete_all
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has_many :members
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acts_as_list
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serialize :permissions
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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_format_of :name, :with => /^[\w\s\'\-]*$/i
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def permissions
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read_attribute(:permissions) || []
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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 if perms
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write_attribute(:permissions, perms)
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end
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def <=>(role)
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position <=> role.position
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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 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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find(:all, :conditions => {:builtin => 0}, :order => 'position')
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end
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# Return the builtin 'non member' role
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def self.non_member
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find(:first, :conditions => {:builtin => BUILTIN_NON_MEMBER}) || raise('Missing non-member builtin role.')
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end
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# Return the builtin 'anonymous' role
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def self.anonymous
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find(:first, :conditions => {:builtin => BUILTIN_ANONYMOUS}) || raise('Missing anonymous builtin role.')
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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 "Can't delete role" if members.any?
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raise "Can't delete builtin role" if builtin?
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end
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end
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