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class User < ActiveRecord::Base
acts_as_authentic # I use authlogic
scope :with_role, lambda { |role| {:conditions => "roles_mask & #{1 << ROLES.index(role.to_s)} > 0"} }
ROLES = %w[admin manager client coordinator employee volunteer]
ROLE_DESCRIPTIONS = {
:admin => "Administers the entire site",
:manager => "Manages the entire site",
:client => "Views welcome page and own reports",
:coordinator => "Can view all employee assignments",
:employee => "Can view the entire site",
:volunteer => "Can add/delete volunteers",
}
ROLEGROUPS = Hash.new(0)
ROLES.each { |r| ROLEGROUPS[r.split('_').first.to_sym] += 1 << ROLES.index(r) }
def role_group?(group)
!((roles_mask || 0) & ROLEGROUPS[group.to_sym]).zero?
end
def roles=(roles)
self.roles_mask = ([*roles] & ROLES).inject(0) { |sum,r| sum += 1 << ROLES.index(r) }
end
def roles
ROLES.reject { |r| (roles_mask || 0)[ROLES.index(r)].zero? }
end
def role?(role)
i = ROLES.index(role.to_s)
i ? (roles_mask[i] == 1) : nil
end
def has_all_roles?(*roles)
has_all = true
([*roles] & ROLES).each do |role|
i = ROLES.index(role.to_s)
has_any = false if roles_mask[i] != 1
end
has_all
end
def has_any_role?(*roles)
has_any = false
([*roles.map(&:to_s)] & ROLES).each do |role|
i = ROLES.index(role.to_s)
has_any = true if roles_mask[i] == 1
end
has_any
end
def self.role_mask(role)
1 << (ROLES.index(role.to_s) || -1)
end
end
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