Class: Fe::Page

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

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#old_id ⇒ Object

Returns the value of attribute old_id.



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

def old_id
  @old_id
end

Class Method Details

.create_from_import(page_data, question_sheet) ⇒ Object 



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# File 'app/models/fe/page.rb', line 192

def self.create_from_import(page_data, question_sheet)
  elements = page_data.delete(:elements)
  page_data.delete(:all_element_ids) # this can get build again
  page_data[:old_id] = page_data.delete('id')
  page_data[:question_sheet_id] = question_sheet.id
  puts("Import page from data #{page_data}")
  page = Fe::Page.create!(page_data)
  elements.each do |el|
    page.elements << Fe::Element.create_from_import(el, page, question_sheet)
  end
  page.rebuild_all_element_ids
  page
end

Instance Method Details

#all_element_ids ⇒ Object 



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# File 'app/models/fe/page.rb', line 95

def all_element_ids
  rebuild_all_element_ids if self[:all_element_ids].nil?
  self[:all_element_ids]
end

#all_element_ids_arr ⇒ Object 



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# File 'app/models/fe/page.rb', line 100

def all_element_ids_arr
  @all_element_ids_arr ||= all_element_ids.split(',').collect(&:to_i)
end

#all_elements ⇒ Object

Include nested elements



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# File 'app/models/fe/page.rb', line 89

def all_elements
  ids = all_element_ids_arr
  order = ids.collect{ |id| "id=#{id} DESC" }.join(', ')
  ids.present? ? Element.where(id: ids).order(Arel.sql(order)) : Element.where("1 = 0")
end

#all_hidden_elements(answer_sheet) ⇒ Object 



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# File 'app/models/fe/page.rb', line 158

def all_hidden_elements(answer_sheet)
  @all_hidden_elements ||= {}
  @all_hidden_elements[answer_sheet.cache_key] ||= build_all_hidden_elements(answer_sheet)
end

#all_questions ⇒ Object 



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# File 'app/models/fe/page.rb', line 80

def all_questions
  all_elements.questions
end

#build_all_hidden_elements(answer_sheet) ⇒ Object 



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# File 'app/models/fe/page.rb', line 163

def build_all_hidden_elements(answer_sheet)
  @all_hidden_elements ||= {}
  @all_hidden_elements[answer_sheet.cache_key] = []
  all_elements.each do |e|
    next if @all_hidden_elements[answer_sheet.cache_key].include?(e)
    if e.hidden_by_choice_field?(answer_sheet) || e.hidden_by_conditional?(answer_sheet, self)
      @all_hidden_elements[answer_sheet.cache_key] += ([e] + e.all_elements)
      @all_hidden_elements[answer_sheet.cache_key].uniq!
    end
  end
  @all_hidden_elements[answer_sheet.cache_key]
end

#clear_all_hidden_elements ⇒ Object 



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# File 'app/models/fe/page.rb', line 176

def clear_all_hidden_elements
  @all_hidden_elements = nil
end

#clear_hidden_cache ⇒ Object 



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# File 'app/models/fe/page.rb', line 142

def clear_hidden_cache
  @hidden_cache = nil
end

#complete?(answer_sheet) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/fe/page.rb', line 146

def complete?(answer_sheet)
  return true if hidden?(answer_sheet)

  all_elements.all? {|e|
    e.hidden?(answer_sheet, self) || !e.required?(answer_sheet, self) || e.has_response?(answer_sheet)
  }
end

#conditionally_visible? ⇒ Boolean

a page is disabled if there is a condition, and that condition evaluates to false could set multiple conditions to influence this question, in which case all must be met def active?

# find first condition that doesn't pass (nil if all pass)
self.conditions.detect { |c| !c.evaluate? }.nil?  # true if all pass

end

def question?

false

end

Returns:

  • (Boolean) 


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

def conditionally_visible?
  question_sheet&.all_elements&.where(conditional_type: 'Fe::Page', conditional_id: self)&.any?
end

#copy_to(question_sheet) ⇒ Object 



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# File 'app/models/fe/page.rb', line 108

def copy_to(question_sheet)
  new_page = Fe::Page.new(self.attributes.merge(id: nil))
  new_page.question_sheet_id = question_sheet.id
  new_page.save(validate: false)
  self.elements.each do |element|
    if !question_sheet.archived? && element.reuseable?
      Fe::PageElement.create(element: element, page: new_page)
    else
      element.duplicate(new_page)
    end
  end
  new_page.rebuild_all_element_ids
  new_page
end

#export_hash ⇒ Object 



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# File 'app/models/fe/page.rb', line 180

def export_hash
  base_attributes = self.attributes.to_hash
  base_attributes[:elements] = elements.collect(&:export_hash)
  base_attributes.delete(:id)
  base_attributes[:question_sheet_id] = :question_sheet_id
  base_attributes
end

#export_to_yaml ⇒ Object 



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# File 'app/models/fe/page.rb', line 188

def export_to_yaml
  export_hash.to_yaml
end

#has_questions? ⇒ Boolean

returns true if there is a question element on the page, including one inside a grid

Returns:

  • (Boolean) 


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# File 'app/models/fe/page.rb', line 76

def has_questions?
  all_questions.any?
end

#hidden?(answer_sheet) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/fe/page.rb', line 123

def hidden?(answer_sheet)
  return true if hidden

  @hidden_cache ||= {}
  return @hidden_cache[answer_sheet] if !@hidden_cache[answer_sheet].nil?

  unless conditionally_visible?
    @hidden_cache[answer_sheet] = false
    return false
  end

  # if any of the conditional questions matches, it's visible
  r = !question_sheet.all_elements.where(conditional_type: 'Fe::Page', conditional_id: self).any?{ |e|
    e.visible?(answer_sheet) && e.conditional_match(answer_sheet)
  }
  @hidden_cache[answer_sheet] = r
  return r
end

#label(locale = nil) ⇒ Object 



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# File 'app/models/fe/page.rb', line 71

def label(locale = nil)
  label_translations[locale] || self[:label]
end

#no_cache ⇒ Object

any page that’s conditionally visible should not use cache, there are race conditions otherwise that happen when the conditional value is set and the now visible page loaded in ajax



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

def no_cache
  conditionally_visible? || self[:no_cache]
end

#questions_before_position(position) ⇒ Object 



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# File 'app/models/fe/page.rb', line 84

def questions_before_position(position)
  self.elements.where(["#{Fe::PageElement.table_name}.position < ?", position])
end

#rebuild_all_element_ids ⇒ Object 



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# File 'app/models/fe/page.rb', line 104

def rebuild_all_element_ids
  self.update_column :all_element_ids, elements.collect{ |e| [e] + e.all_elements }.flatten.collect(&:id).join(',')
end

#started?(answer_sheet) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/fe/page.rb', line 154

def started?(answer_sheet)
  all_questions.any? {|e| e.has_response?(answer_sheet)}
end