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Contents
module Pageflow
class Quota
class ExhaustedError < RuntimeError
attr_reader :quota
def initialize(quota)
@quota = quota
end
end
class ExceededError < ExhaustedError; end
attr_reader :name, :account
def initialize(name, account)
@name = name
@account = account
end
def state
raise(NotImplementedError, 'Quota#state must be implemented and return either "available", "exhausted" or "exceeded".')
end
def state_description
raise(NotImplementedError, 'Quota#state_description must be implemented.')
end
def available?
state == 'available'
end
def exhausted?
!available?
end
def exceeded?
state == 'exceeded'
end
def verify_available!
raise(ExhaustedError.new(self), "Quota '#{name}' exhausted.") unless available?
end
def verify_not_exceeded!
raise(ExceededError.new(self), "Quota '#{name}' exceeded.") if exceeded?
end
def assume(assumptions)
self
end
class Unlimited < Quota
def state
'available'
end
def state_description
nil
end
end
end
end
Version data entries
108 entries across 108 versions & 1 rubygems