44 lines
679 B
Ruby
44 lines
679 B
Ruby
class Role < ActiveRecord::Base
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include Comparable
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has_many :users
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attr_accessible :name, :value
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def to_s
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self.name
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end
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def to_i
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self.value
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end
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def is? (name)
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!!(Role.find_by_name(name) == self)
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end
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def self.get (name)
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Role.find_by_name(name)
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end
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def <=> (role)
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if role.is_a?(Role)
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self.value - role.value
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elsif role.is_a?(Symbol)
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self <=> Role.find_by_name(role)
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else
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raise "Cannot compare Role with #{role.class}"
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end
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end
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def self.all_until (role)
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Role.all.select do |r|
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r <= role
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end
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end
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def self.all_from(role)
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Role.all.select do |r|
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r >= role
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end
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end
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end |