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Contents
# frozen_string_literal: true
module ActiveModel
module Type
class Integer < Value # :nodoc:
include Helpers::Numeric
# Column storage size in bytes.
# 4 bytes means an integer as opposed to smallint etc.
DEFAULT_LIMIT = 4
def initialize(**)
super
@range = min_value...max_value
end
def type
:integer
end
def deserialize(value)
return if value.blank?
value.to_i
end
def serialize(value)
return if value.is_a?(::String) && non_numeric_string?(value)
ensure_in_range(super)
end
def serializable?(value)
cast_value = cast(value)
in_range?(cast_value) || begin
yield cast_value if block_given?
false
end
end
private
attr_reader :range
def in_range?(value)
!value || range.member?(value)
end
def cast_value(value)
value.to_i rescue nil
end
def ensure_in_range(value)
unless in_range?(value)
raise ActiveModel::RangeError, "#{value} is out of range for #{self.class} with limit #{_limit} bytes"
end
value
end
def max_value
1 << (_limit * 8 - 1) # 8 bits per byte with one bit for sign
end
def min_value
-max_value
end
def _limit
limit || DEFAULT_LIMIT
end
end
end
end
Version data entries
43 entries across 41 versions & 6 rubygems