Class: Fe::QuestionSheet

Inherits:
ApplicationRecord show all
Defined in:
app/models/fe/question_sheet.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#element_id_mappings ⇒ Object

Returns the value of attribute element_id_mappings.



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# File 'app/models/fe/question_sheet.rb', line 7

def element_id_mappings
  @element_id_mappings
end

#old_id ⇒ Object

Returns the value of attribute old_id.



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# File 'app/models/fe/question_sheet.rb', line 6

def old_id
  @old_id
end

Class Method Details

.create_from_yaml(filename) ⇒ Object 



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# File 'app/models/fe/question_sheet.rb', line 67

def self.create_from_yaml(filename)
  # NOTE: yaml will break if some classes aren't loaded before YAML::load, strange
  Fe::Element.distinct.where.not(kind: 'Fe::Style').pluck(:kind).each(&:constantize)

  sheet_data = YAML::load(File.read(filename))
  sheet_data[:old_id] = sheet_data.delete("id")
  pages = sheet_data.delete(:pages)
  puts("Create import by data #{sheet_data}")
  question_sheet = Fe::QuestionSheet.create!(sheet_data)
  question_sheet.element_id_mappings = []
  pages.each do |page_atts|
    page = Page.create_from_import(page_atts, question_sheet)
    question_sheet.pages << page
  end
  # set page conditional_id values to new ids based on old_id
  question_sheet.all_elements.each do |el|
    if el.conditional_type != "Fe::Page" && el.conditional_id.present?
      # noop
    end

    # note that conditional elements are already translated to new ids in the element import so no need to do it here
    if el.conditional_type == "Fe::Page" && el.conditional_id
      el.update(conditional_id: question_sheet.pages.detect{ |el2| el2.old_id == el.conditional_id }&.id)
    end
  end

  question_sheet
end

.new_with_page ⇒ Object

create a new form with a page already attached



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# File 'app/models/fe/question_sheet.rb', line 29

def self.new_with_page
  question_sheet = self.new(label: next_label)
  question_sheet.pages.build(label: 'Page 1', number: 1)
  question_sheet
end

Instance Method Details

#all_elements ⇒ Object 



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# File 'app/models/fe/question_sheet.rb', line 43

def all_elements
  element_ids = pages.pluck(:all_element_ids).compact.join(',').split(',').find_all(&:present?)
  element_ids.present? ? Element.where(id: element_ids).order(Arel.sql(element_ids.collect{ |id| "id=#{id} DESC" }.join(', '))) : Element.where("1 = 0")
end

#duplicate ⇒ Object

Pages get duplicated Question elements get associated non-question elements get cloned



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# File 'app/models/fe/question_sheet.rb', line 51

def duplicate
  new_sheet = QuestionSheet.new(self.attributes.merge(id: nil))
  new_sheet.label = self.label + ' - COPY'
  new_sheet.save(validate: false)
  self.pages.each do |page|
    page.copy_to(new_sheet)
  end
  new_sheet
end

#elements ⇒ Object 



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# File 'app/models/fe/question_sheet.rb', line 39

def elements
  pages.collect(&:elements).flatten
end

#export_to_yaml ⇒ Object 



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# File 'app/models/fe/question_sheet.rb', line 61

def export_to_yaml
  atts = attributes.to_hash
  atts[:pages] = pages.collect(&:export_hash)
  atts.to_yaml
end

#questions ⇒ Object 



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# File 'app/models/fe/question_sheet.rb', line 35

def questions
  all_elements.questions
end