class MotionRecord::Serialization::DateSerializer

Constants

ISO8601_PATTERN

ISO8601 pattern that only matches date strings

Public Class Methods

date_from_iso8601(date_str) click to toggle source

Parse an ISO8601 format date string.

date_str - the String date representation in ISO8601 format

Returns a Time object

# File lib/motion_record/serialization/date_serializer.rb, line 49
def self.date_from_iso8601(date_str)
  return nil unless date_str

  if (match = ISO8601_PATTERN.match(date_str))
    year = match[1].to_i
    mon  = match[2].to_i
    day  = match[3].to_i
    Time.utc(year, mon, day)
  else
    raise ArgumentError.new("invalid date: #{date_str.inspect}")
  end
end
date_to_iso8601(time) click to toggle source

Convert a Time object to an ISO8601 format date string.

time - the Time to convert

Returns the String representation

# File lib/motion_record/serialization/date_serializer.rb, line 38
def self.date_to_iso8601(time)
  return nil unless time
  
  "%04d-%02d-%02d" % [time.year, time.month, time.day]
end

Public Instance Methods

deserialize(value) click to toggle source
# File lib/motion_record/serialization/date_serializer.rb, line 24
def deserialize(value)
  case @column.type
  when :text
    self.class.date_from_iso8601(value)
  else
    raise "Can't deserialize #{value.inspect} from #{@column.type.inspect}"
  end
end
serialize(value) click to toggle source
# File lib/motion_record/serialization/date_serializer.rb, line 15
def serialize(value)
  case @column.type
  when :text
    self.class.date_to_iso8601(value)
  else
    raise "Can't serialize #{value.inspect} to #{@column.type.inspect}"
  end
end