Class: OpenEHR::RM::DataTypes::Quantity::DateTime::DvDate

Inherits:
DvTemporal show all
Includes:
AssumedLibraryTypes, AssumedLibraryTypes::ISO8601DateModule
Defined in:
lib/open_ehr/rm/data_types/quantity/date_time.rb

Constant Summary collapse

DAYS_IN_MONTH = 
[0,31,28,31,30,31,30,31,31,30,31,30,31]

Constants included from AssumedLibraryTypes::TimeDefinitions

AssumedLibraryTypes::TimeDefinitions::DAYS_IN_LEAP_YEAR, AssumedLibraryTypes::TimeDefinitions::DAYS_IN_WEEK, AssumedLibraryTypes::TimeDefinitions::DAYS_IN_YEAR, AssumedLibraryTypes::TimeDefinitions::HOURS_IN_DAY, AssumedLibraryTypes::TimeDefinitions::MAX_DAYS_IN_MONTH, AssumedLibraryTypes::TimeDefinitions::MAX_DAYS_IN_YEAR, AssumedLibraryTypes::TimeDefinitions::MINUTES_IN_HOUR, AssumedLibraryTypes::TimeDefinitions::MONTH_IN_YEAR, AssumedLibraryTypes::TimeDefinitions::NOMINAL_DAYS_IN_MONTH, AssumedLibraryTypes::TimeDefinitions::NOMINAL_DAYS_IN_YEAR, AssumedLibraryTypes::TimeDefinitions::SECONDS_IN_MINUTE

Constants included from Support::Definition::BasicDefinition

Support::Definition::BasicDefinition::CR, Support::Definition::BasicDefinition::LF

Instance Attribute Summary

Attributes included from AssumedLibraryTypes::ISO8601DateModule

#day, #month, #year

Attributes inherited from OpenEHR::RM::DataTypes::Quantity::DvAbsoluteQuantity

#accuracy

Attributes inherited from OpenEHR::RM::DataTypes::Quantity::DvQuantified

#magnitude_status

Attributes inherited from OpenEHR::RM::DataTypes::Quantity::DvOrdered

#normal_range, #normal_status, #other_refference_ranges

Attributes inherited from Basic::DataValue

#value

Instance Method Summary collapse

Methods included from AssumedLibraryTypes::ISO8601DateModule

#as_string, #day_unknown?, #is_extended?, #is_partial?, #month_unknown?, #to_days

Methods included from AssumedLibraryTypes::TimeDefinitions

valid_day?, valid_hour?, valid_minute?, valid_month?, valid_second?, valid_year?

Methods inherited from DvTemporal

#initialize

Methods inherited from OpenEHR::RM::DataTypes::Quantity::DvAbsoluteQuantity

#add, #initialize, #subtract

Methods inherited from OpenEHR::RM::DataTypes::Quantity::DvQuantified

#<=>, #accuracy_unknown?, #initialize, valid_magnitude_status?

Methods inherited from OpenEHR::RM::DataTypes::Quantity::DvOrdered

#<=>, #initialize, #is_normal?, #is_simple?, #is_strictly_comparable_to?, #other_reference_ranges=

Methods inherited from Basic::DataValue

#==, #initialize

Constructor Details

This class inherits a constructor from OpenEHR::RM::DataTypes::Quantity::DateTime::DvTemporal

Instance Method Details

#diff(other) ⇒ Object 



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# File 'lib/open_ehr/rm/data_types/quantity/date_time.rb', line 53

def diff(other)
  if self.magnitude > other.magnitude
    past, future = other, self
  else
    past, future = self, other
  end
  year, month, day = 0, 0, 0
  if (future.day >= past.day)
    day = future.day - past.day
  else
    month = -1
    previous_month = future.month - 1
    if previous_month == 0
      previous_month = 12
    end
    day = DAYS_IN_MONTH[previous_month] + future.day - past.day
    if leapyear?(future.year) && (previous_month == 2)
      day += 1
    end
  end
  week = day / 7
  if (future.month >= past.month)
    month += future.month - past.month
  else
    year -= 1
    month += future.month + 12 - past.month
  end
  if month < 0
    year -= 1
    month += 12
  end
  year += future.year - past.year
  return DvDuration.new(:value =>
       'P' + year.to_s + 'Y' + month.to_s + 'M' + 
             week.to_s + 'W' + day.to_s + 'D')
end

#magnitude ⇒ Object 



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# File 'lib/open_ehr/rm/data_types/quantity/date_time.rb', line 49

def magnitude
  return Date.new(@year, @month, @day)-Date.new(0000,1,1)
end

#value=(value) ⇒ Object 



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# File 'lib/open_ehr/rm/data_types/quantity/date_time.rb', line 41

def value=(value)
  super(value)
  iso8601_date = ISO8601Date.new(value)
  @year = iso8601_date.year
  @month = iso8601_date.month
  @day = iso8601_date.day
end