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class Usergroup < ActiveRecord::Base
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audited :allow_mass_assignment => true
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include Authorizable
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has_many :user_roles, :dependent => :destroy, :foreign_key => 'owner_id', :conditions => {:owner_type => self.to_s}
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has_many :roles, :through => :user_roles, :dependent => :destroy
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has_many :usergroup_members, :dependent => :destroy
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has_many :users, :through => :usergroup_members, :source => :member, :source_type => 'User', :dependent => :destroy
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has_many :usergroups, :through => :usergroup_members, :source => :member, :source_type => 'Usergroup', :dependent => :destroy
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has_many :cached_usergroup_members
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has_many :usergroup_parents, :dependent => :destroy, :foreign_key => 'member_id',
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:conditions => "member_type = 'Usergroup'", :class_name => 'UsergroupMember'
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has_many :parents, :through => :usergroup_parents, :source => :usergroup, :dependent => :destroy
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has_many_hosts :as => :owner
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validates :name, :uniqueness => true
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before_destroy EnsureNotUsedBy.new(:hosts, :usergroups)
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# The text item to see in a select dropdown menu
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alias_attribute :select_title, :to_s
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default_scope lambda { order('usergroups.name') }
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scoped_search :on => :name, :complete_value => :true
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validate :ensure_uniq_name
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# This methods retrieves all user addresses in a usergroup
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# Returns: Array of strings representing the user's email addresses
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def recipients
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all_users.map(&:mail).flatten.sort.uniq
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end
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# This methods retrieves all users in a usergroup
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# Returns: Array of users
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def all_users(group_list=[self], user_list=[])
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retrieve_users_and_groups group_list, user_list
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user_list.sort.uniq
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end
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# This methods retrieves all usergroups in a usergroup
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# Returns: Array of unique usergroups
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def all_usergroups(group_list=[self], user_list=[])
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retrieve_users_and_groups group_list, user_list
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group_list.sort.uniq
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end
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protected
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# Recurses down the tree of usergroups and finds the users
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# [+group_list+]: Array of Usergroups that have already been processed
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# [+users+] : Array of users accumulated at this point
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# Returns : Array of non unique users
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def retrieve_users_and_groups(group_list, user_list)
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for group in usergroups
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next if group_list.include? group
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group_list << group
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group.retrieve_users_and_groups(group_list, user_list)
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end
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user_list.concat users
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end
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def ensure_uniq_name
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errors.add :name, _("is already used by a user account") if User.where(:login => name).first
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end
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end
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