Module: ActsAsHistorical::InstanceMethods

Defined in:
lib/acts_as_historical.rb

Instance Method Summary collapse

Instance Method Details

#next ⇒ Object 



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# File 'lib/acts_as_historical.rb', line 154

def next;     find_record_at(snapshot_date + 1);   end

#previous ⇒ Object 



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# File 'lib/acts_as_historical.rb', line 153

def previous; find_record_at(snapshot_date - 1);   end

#to_date ⇒ Object

override with your date implementation. eg. Weekday

def snapshot_date

self[self.class.historical_date_col]

end



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# File 'lib/acts_as_historical.rb', line 162

def to_date
  snapshot_date and snapshot_date.to_date
end

#valid_date? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/acts_as_historical.rb', line 141

def valid_date?
  if self.to_date.nil?
    errors.add_to_base('date missing')
    return false
  end
  if self.to_date >= Date.tomorrow
    errors.add_to_base('date is in future')
    return false
  end
  true
end