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class Role < ActiveRecord::Base
include Comparable
has_many :users
validates :color, format: {with: /#[0-9a-f]{3,6}/i}
def to_s
self.name
end
def to_i
self.value
end
def is? (name)
!!(Role.find_by_name(name) == self)
end
def self.get (input)
if input.is_a?(String) || input.is_a?(Symbol)
Role.find_by_name(input)
elsif input.is_a?(Fixnum)
Role.find_by_id(input)
elsif input.is_a?(Role)
return input
end
end
def <=> (role)
if role.is_a?(Role)
self.value - role.value
elsif role.is_a?(Symbol)
self <=> Role.find_by_name(role)
else
self.to_i <=> role
end
end
def self.all_to (role)
Role.order(:value).select do |r|
r <= role
end
end
def self.all_from(role)
Role.order(:value).select do |r|
r >= role
end
end
def self.all_from_to(from, to)
Role.order(:value).select {|r| r >= from}.select {|r| r <= to}
end
end
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