Module: SurveyorGui::Models::SurveyMethods

Included in:
Survey
Defined in:
lib/surveyor_gui/models/survey_methods.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/surveyor_gui/models/survey_methods.rb', line 4

def self.included(base)
  base.extend Surveyor::Models::SurveyMethods
  base.send :attr_accessible, :title, :access_code, :template,
                  :survey_sections_attributes if defined? ActiveModel::MassAssignmentSecurity
  base.send :has_many, :survey_sections, :dependent => :destroy
  base.send :accepts_nested_attributes_for, :survey_sections, :allow_destroy => true

  base.send :validate, :no_responses
  base.send :before_destroy, :no_responses

end

Instance Method Details

#no_responses ⇒ Object

don’t let a survey be deleted or changed if responses have been submitted to ensure data integrity



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# File 'lib/surveyor_gui/models/survey_methods.rb', line 19

def no_responses
  if self.id
    #this will be a problem if two people are editing the survey at the same time and do a survey preview - highly unlikely though.
    self.response_sets.where('test_data = ?',true).each {|r| r.destroy}
  end
  if !template && response_sets.count>0
    errors.add(:base,"Reponses have already been collected for this survey, therefore it cannot be modified. Please create a new survey instead.")
    return false
  end
end