Sha256: 0f29961262b4121c10b11e13ff8dc5b8450152013213df9acf982d793b9558c0
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Versions: 8
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Stored size: 1.81 KB
Contents
module Imb
# This class represents the mail piece's serial number.
class SerialNumber
# Turn the argument into a SerialNumber if possible. Accepts:
# * {SerialNumber}
# * String
# * Integer
# @return [SerialNumber]
def self.coerce(o)
case o
when SerialNumber
o
when String
new(o.to_i)
when Integer
new(o)
else
raise ArgumentError, 'Cannot coerce to SerialNumber'
end
end
# @param [Integer] value
def initialize(value)
@value = value
end
# Return true if this object is equal to o
# @param [Object] o Any object acceptable to {.coerce}
def ==(o)
SerialNumber.coerce(o).to_i == to_i
rescue ArgumentError
false
end
# @return [Integer] The value of the serial number
def to_i
@value
end
# @!group Internal
# Validate the value.
# @param long_mailer_id truthy if the mailer ID is long (9 digits).
# @raise ArgumentError if invalid
def validate(long_mailer_id)
range = 0..max_value(long_mailer_id)
unless range === @value
raise ArgumentError, "Must be #{range}"
end
end
# Add this object's value to target, shifting it left as many
# digts as are needed to make room.
# @param [Integer] target The target to be shifted and added to
# @param long_mailer_id truthy if the mailer ID is long (9 digits).
# @return [Integer] The new value of the target
def shift_and_add_to(target, long_mailer_id)
target * 10 ** num_digits(long_mailer_id) + to_i
end
# @!endgroup
private
def max_value(long_mailer_id)
max_value = 10 ** num_digits(long_mailer_id) - 1
end
def num_digits(long_mailer_id)
if long_mailer_id
6
else
9
end
end
end
end
Version data entries
8 entries across 7 versions & 2 rubygems