role.rb
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class Role < ActiveRecord::Base
PERMISSIONS = {
:profile => {
'edit_profile' => N_('Edit profile'),
'destroy_profile' => N_('Destroy profile'),
'manage_memberships' => N_('Manage memberships'),
'post_content' => N_('Post content'),
'moderate_content' => N_('Moderate content'),
},
:system => {
}
}
PERMISSIONS_LIST = PERMISSIONS.values.map{|h| h.keys }.flatten
def self.permission_name(p)
msgid = PERMISSIONS.values.inject({}){|s,v| s.merge(v)}[p]
gettext(msgid)
end
has_many :role_assignments
serialize :permissions, Array
validates_uniqueness_of :name
def validate
unless (permissions - PERMISSIONS_LIST).empty?
errors.add :permissons, 'non existent permission'
end
end
def initialize(*args)
super(*args)
self[:permissions] ||= []
end
def has_permission?(perm)
permissions.include?(perm)
end
def has_kind?(kind)
permissions.any?{ |p| PERMISSIONS[kind][p] }
end
end