Module: TimeTravel::TimelineHelper

Extended by:
ActiveSupport::Concern
Defined in:
lib/time_travel/timeline_helper.rb

Defined Under Namespace

Modules: ClassMethods

Instance Method Summary collapse

Instance Method Details

#absence_of_valid_from_till ⇒ Object 



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# File 'lib/time_travel/timeline_helper.rb', line 78

def absence_of_valid_from_till
  if self.valid_from.present? || self.valid_till.present?
    self.errors.add(:base, "valid_from and valid_till can't be set")
  end
end

#effective_now? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/time_travel/timeline_helper.rb', line 101

def effective_now?
  self.effective_from.present? and self.effective_till==TimeTravel::INFINITE_DATE
end

#effective_range_timeline ⇒ Object

validations



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# File 'lib/time_travel/timeline_helper.rb', line 72

def effective_range_timeline
  if self.effective_from > self.effective_till
    self.errors.add(:base, "effective_from can't be greater than effective_till")
  end
end

#has_history ⇒ Object 



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# File 'lib/time_travel/timeline_helper.rb', line 59

def has_history
  if self.class.has_history?
    self.errors.add("base", "create called on alread existing timeline")
  end
end

#ineffective_now? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/time_travel/timeline_helper.rb', line 97

def ineffective_now?
  !self.effective_now?
end

#invalid_now? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/time_travel/timeline_helper.rb', line 89

def invalid_now?
  !self.valid_now?
end

#no_history ⇒ Object 



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# File 'lib/time_travel/timeline_helper.rb', line 65

def no_history
  if not self.class.has_history?
    self.errors.add("base", "update called on timeline that doesn't exist")
  end
end

#set_current_time ⇒ Object

set defaults



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# File 'lib/time_travel/timeline_helper.rb', line 45

def set_current_time
  self.current_time ||= Time.current
end

#set_effective_defaults ⇒ Object 



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# File 'lib/time_travel/timeline_helper.rb', line 49

def set_effective_defaults
  self.effective_from ||= current_time
  self.effective_till ||= TimeTravel::INFINITE_DATE
end

#set_validity_defaults ⇒ Object 



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# File 'lib/time_travel/timeline_helper.rb', line 54

def set_validity_defaults
  self.valid_from ||= current_time
  self.valid_till ||= TimeTravel::INFINITE_DATE
end

#valid_now? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/time_travel/timeline_helper.rb', line 93

def valid_now?
  self.valid_from.present? and self.valid_till==TimeTravel::INFINITE_DATE
end

#validate_update(attributes) ⇒ Object 



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# File 'lib/time_travel/timeline_helper.rb', line 84

def validate_update(attributes)
  self.assign_attributes(attributes)
  self.valid?
end